Operation and Maintenance of the following 5 Nos of CWSS under Maintenance Division Siruvani in Coimbatore and Tiruppur Districts Pkg -8

TAMIL NADU WATER SUPPLY AND DRAINAGE BOARD

CHIEF ENGINEER, COIMBATORE.

Name of work:- Operation and maintenance of 5 Nos of CWSS under Maintenance Division (Siruvani) in Coimbatore and Tiruppur Districts including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package - 8

BILL OF QUANTITY

BILL OF QUANTITIES

1) The Bill of Quantities shall contain items for the construction, installation, testing, commissioning and maintenance of the Works to be carried out by the Contractor

2) The Bill of Quantities will be used to calculate the Contract Price. The contractor shall be paid for the quantum of work done at the rate quoted for each item in the Bill of Quantities.

3) The bidder shall fill in rates and prices and line item total (both in figures and words) for all items of works described in the Bill of quantities along with total bid price (both in figures and words). Items for which no rate or price is entered by the bidder will not be paid for by the employer when executed and shall be deemed covered by the other rates and prices in the bill of quantities

4) The rates quoted in the BOQ shall be for carrying out the work in conformity to the BIS, TNBP and Technical Specifications and other Terms and Conditions set out in the Bid Document.

5) All pages in the BOQ should be signed without omission. All corrections/over writing should be properly attested by the Bidder.

Changes in the Probable of Probable of Quantity

6) If the final Quantity of the work done differs from the Probable of Quantity in the Bill of Quantities for the particular item/items, the rates as in the agreement for the relevant items shall be paid.

Goods & Service Tax

7) The bid value is inclusive of GST @ 18% (or) at the rates as may be notified by the Government from time to time. The bidder should quote basic price of each item in the Bill of Quantity. The GST amount should be arrived for the Total basic cost of all the items.

8) From every individual periodic payment made to the firm/Contractor, TDS - GST will be deducted at the rates as may be notified from time to time by the Government

9) The Executive Engineer has to show restraint in execution of works under the following category by duly observance of procedure.

i. Items quoted with violent excess percentage i.e.,(+) 25% and above over the departmental rate should not ordinarily exceed the departmental quantity during execution. Departement rates shall only be allowed for the excess quantity if any involved during execution on these items.

ii. The items quoted with violent less percentage i.e., (-) 10 % and below than the departmental value shall not be ordinarily omitted or reduced during execution.

Name of Work: Operation and Maintenance of the following 3 Nos of CWSS under RWS Division, Ooty in Coimbatore District including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package-7

Sl. No. Description of work Probable quantity Figures TNBP No. Other specification Units in Rates in Amount in figures

Vide separate sheets attached.

Select, Excess (+), Less (-) Less (-)

Tender Inviting Authority: The Chief Engineer, TWAD Board, Coimbatore

Name of Work: Operation and maintenance of 5 Nos of CWSS under Maintenance Division (Siruvani) in Coimbatore and Tiruppur Districts including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package - 8

Contract No: 24 to 28/ O&M of CWSS to Coimbatore/SDO(T7)/CE/CBE/2025/ Dated. 17.12.2025

Name of the Bidder/ Bidding Firm / Company :

Sl. No. Item Description Item Code / Make Quantity Units Estimated Rate Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency BASIC RATE In Figures To be entered by the Bidder Rs. P Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category TOTAL AMOUNT Without Taxes TOTAL AMOUNT With Taxes TOTAL AMOUNT In Words

5 Nos of CWSS under Maintenance Division (Siruvani) in Coimbatore and Tiruppur Districts. itemH1 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

1.01 Operation and maintenance of Coimbatore Water Supply Augumentation Scheme with Siruvani as source (Coimbatore Corporation (part), Kurichi, Kuniamuthur and Kavundampalayam Municipalities, 9 Town Panchayats and 28 Rural habitations in Thondamuthur Union in Coimbatore District including repairs, rectification works and supply of Chemicals for three years for the period from 01.04.2026 to 31.03.2029 (2026-2029). code1.02 0.000 Job Excess(+) Full Conversion INR 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.06 Sub Total itemH2Code3 2 Construction of chamber for 100mm sluices valve item3 10 Nos

Select, Excess (+), Less (-) Less (-)

Tender Inviting Authority: The Chief Engineer, TWAD Board, Coimbatore

Name of Work: Operation and maintenance of 5 Nos of CWSS under Maintenance Division (Siruvani) in Coimbatore and Tiruppur Districts including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package - 8

Contract No: 24 to 28/ O&M of CWSS to Coimbatore/SDO(T7)/CE/CBE/2025/ Dated. 17.12.2025

Name of the Bidder/ Bidding Firm / Company :

Sl. No. Description of Work Item Code / Make Probable quantity Figures Units Estimated Rate TNBP No. Other Specification Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency BASIC RATE In Figures To be entered by the Bidder Rs. P Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category TOTAL AMOUNT Without Taxes TOTAL AMOUNT With Taxes TOTAL AMOUNT In Words

0.000 Part :- 1 - Operation and maintenance of Coimbatore Water Supply Augumentation Scheme with Siruvani as source (Coimbatore Corporation (part), Kurichi, Kuniamuthur and Kavundampalayam Municipalities, 9 Town Panchayats and 28 Rural habitations in Thondamuthur Union in Coimbatore District including repairs, rectification works and supply of Chemicals for three years for the period from 01.04.2026 to 31.3.2029 (2026-2029). itemH1 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

0.999 Operation and Maintenance of CWSS itemH2 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure -I, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . itemH3 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 For a period from 01.04.2026 to 31.03.2027 itemH7 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Leak & Burst itemH8 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (AC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH9 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending Burst in AC Pipe Lines - AC Pipe Coupler Leak itemH10 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 80mm AC pipes itemH11 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Attending Burst in AC Pipe Lines-Using MS Step Collar itemH16 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (CI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH22 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending Burst in CI Pipe Lines -Leak Specials Cement Joint itemH23 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending Burst in CI Pipe Lines -Leak Single MJ Collar itemH29 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH35 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending Burst in DI Pipe Lines - Leak Specials Cement Joint itemH36 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending Burst in DI Pipe Lines - Leak Cut Barrel & MJ Coller itemH38 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH40 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending Burst in PSC Pipe Lines - PSC Cement Joint Leak itemH41 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 1000 mm PSC Line itemH42 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in PSC Pipe Lines - Using MS Step Collar itemH43 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (AC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH45 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Attending Burst in AC Pipe Lines - AC Pipe Coupler Burst Using MS Plain Collar itemH46 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending Burst in AC Pipe Lines - Using MS Barrel Pipe itemH52 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (CI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH58 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in CI Pipe Lines-Leak Cut Barrel & MJ Collar itemH59 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in CI Pipe Lines-Burst Pipe Replacement itemH65 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH71 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending DI Pipe Lines- Leak Single MJ Collar itemH72 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending DI Pipe Lines- Burst Pipe Replacement itemH74 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH76 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending Burst in PSC Pipe Lines- PSC Pipe Leak Using MS Plain Collar itemH77 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending Burst in PSC Pipe Lines- Using MS Barrel Pipe itemH79 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending the Repair and Renewal works in Submersible Pumpset etc, complete and as directed by the departmental officers. itemH81 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittingsetc, complete and as directed by the departmental officers. itemH82 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transporting the pumpset from Pump House to work shopetc, complete and as directed by the departmental officers. itemH85 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materialsetc, complete and as directed by the departmental officers. itemH88 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc, complete and as directed by the departmental officers. itemH91 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 7.50 HP - OWS - For Chlorination pumpset - WTP itemH92 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old materialetc, complete and as directed by the departmental officers. itemH94 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair worksetc, complete and as directed by the departmental officers itemH97 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumpingetc, complete and as directed by the departmental officers. itemH100 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending the Repair and Renewal works in Monoblock Pumpset itemH103 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Removing the Mono block Centrifugal Pumpset from the Bed assembly by using contractors tools and materials after disconnecting the power supply cable and delivery pipe line fittings with required dummy plate arrangements and as directed by TWAD Board officers itemH104 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transporting the pumpset from the Pumping Station to work shopand as directed by TWAD Board officers itemH107 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Removing the Burnt winding materials from the stator slots and cleaning the stator and rotor assembly by using contractor tools and materialsand as directed by TWAD Board officers itemH110 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Reconditioning the worn-out shaft and fittings, impeller and Rope gland bush including cost of lath work & labour charges etc.,and as directed by TWAD Board officers itemH113 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Rewinding the Mono block Centrifugal Motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materialsand as directed by TWAD Board officers itemH116 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Replacement of driven end (No: XXXX) and Non driven end (No:XXXX) Bearings suitable for Mono block Centrifugal Motor including the cost of Bearing and labour charges after deducting the cost of old materialsand as directed by TWAD Board officers itemH119 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Replacement of cooling fan at motor end and Terminal Board for suitable for Mono block Centrifugal Pumpset and labour charges after deducting the cost of old materialsand as directed by TWAD Board officers itemH122 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Transporting charges for Mono block Centrifugal Pumpset from work shop to Pump House after attending repair worksetc complete and as directed by TWAD Board officers itemH125 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Re-erection of pumpset in the Sump / Well by using required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipe line arrangements, testing and trial pumping etc complete and as directed by TWAD Board officers itemH128 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) etc, Complete and as directed by the departmental officers. itemH131 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc, Complete and as directed by the departmental officers. itemH132 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges etc, Complete and as directed by the departmental officers. itemH134 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH136 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH138 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc, Complete and as directed by the departmental officers. itemH140 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motoretc, Complete and as directed by the departmental officers. itemH142 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools &Materialsetc, Complete and as directed by the departmental officers. itemH144 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Transportation charges for conveying the motor from work shop to Pumping Stationetc, Complete and as directed by the departmental officers. itemH146 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc, Complete and as directed by the departmental officers. itemH148 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending the Repair and Replacement of bearings in various HSC Pump itemH150 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials and as directed by the departmental officers. itemH151 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers itemH153 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH155 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 For 50 HP Wash water pumpsets unit I and Unit II at WTP Siruvani Adivaram itemH156 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and as directed by the departmental officers. itemH157 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials and as directed by the departmental officers. itemH159 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine and as directed by the departmental officers. itemH161 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers. itemH163 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH165 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials and as directed by the departmental officers. itemH167 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH169 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running and as directed by the departmental officers. itemH171 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH174 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works etc, complete and as directed by the TWAD Board officers itemH177 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of Star-Delta starter confirming to IS 13947, IEC60947-1 and as amended thereafter with uitable KW rating for operation in AC/ Three Phase/50HZ (+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 nos., CT operated Ammeter (65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector switch, Miniature circuit breaker, Thermal Overload relay, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 sq. mm copper pvc insulated cable, powder coated vermin proof box, including the capacitor etc, complete and as directed by the TWAD Board officers itemH180 IS 13947, IEC60947-1 and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of DI D/F Gate (sluice) valves (soft seated) resilient seated soft sealing Gate Valves (Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or GGG 50, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty and as directed by TWAD Board Officers. itemH183 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice triple function (ventilating, admiting & ventilating during operation) air release valve with pressure rating PN 10/16 with body and cover made of Ductile Iron of Grade GGG 40 or GGG 50, conforming to IS 1865 with Food Grade Epoxy Powder coating (EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 years warranty and as directed by TWAD Board Officers. itemH188 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Jointing the CI/D.I Double flanged pipes and specials with rubber insertion to with IS 638 (1979) and M.S. bolts and nuts of IS1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc., complete. (Vol- II SOR PNo:185, 2025-2026) itemH192 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Sluice Valve itemH193 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Air Valve itemH197 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Construction of masonry valve pit as per TWAD Type design for Air Valve including fixing the valves including earth work excavation for foundation, P.C.C. 1:4:8 using 40mm HBG metal for levelling course, brick work in CM 1:5 for side wall, plastering with CM 1:3, 12mm thick, RCC 1:1.5:3 using 20mm HBG stone jelly for cover slab, providing cut stone in CM 1:3 including supply, fabricating and placing of RTS grills for the following valves including charges for precasting and fixing surface box, valves and specials in position, refilling the sides of the pit etc., complete and as directed by TWAD Board Officers. itemH201 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Construction of masonry valve pit as per TWAD Type design for Scour Valve including fixing the valves including earth work excavation for foundation, P.C.C. 1:4:8 using 40mm HBG metal for levelling course, brick work in CM 1:5 for side wall, plastering with CM 1:3, 12mm thick, RCC 1:1.5:3 using 20mm HBG stone jelly for cover slab, providing cut stone in CM 1:3 including supply, fabricating and placing of RTS grills for the following valves including charges for precasting and fixing surface box, valves and specials in position, refilling the sides of the pit etc., complete and as directed by TWAD Board Officers. itemH209 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for Oil filtration of transformer and Material cost with accessories and etc., complete. The following works carried out and verified as per IE Rule. (80KVA) 1. Removal of sludge and dirt from the transformer oil 2. Top up the new transformer oil (minimum 100ltr) with specification as per IE rule up to oil level as per IE rule. 3. Replace the existing lighting arrester with new one. 4. Replacing of new silica gel with filling of oil suitable for transformer including cost of materials as per IE rule. 5. Testing of transformer oil insulation and acidity testing etc., including oil filtration circulated to withstand BDV 50 KV/minute 6. Testing of no load and load condition as per IE rule. 7. Testing and calibration of earth fault relay. 8. Testing of earth electrode. itemH215 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 9. Fault rectification accessories. 10.Painting of transformer & Yard with neccessary repair & Rejuvenation works as per IE rule. 11.Providing sticker for "DANGER" 12. Replace the damged transformer core cable with new one and ensure the crimping. 13. Replace the fault Thermometer with new one. 14. Replace the existing bushing, cooling tube with new one. 15.Replace the existing of Buchholz relay with new one. 16. Confirm all Tap leads and connection in good / working condition as per IE rule. itemH216 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 For a period from 01.04.2027 to 31.03.2028 itemH218 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Leak & Burst itemH219 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (AC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH220 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in AC Pipe Lines - AC Pipe Coupler Leak itemH221 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 80mm AC pipes itemH222 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending Burst in AC Pipe Lines-Using MS Step Collar itemH227 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (CI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH233 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending Burst in CI Pipe Lines -Leak Specials Cement Joint itemH234 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending Burst in CI Pipe Lines -Leak Single MJ Collar itemH240 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH246 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending Burst in DI Pipe Lines - Leak Specials Cement Joint itemH247 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in DI Pipe Lines - Leak Cut Barrel & MJ Coller itemH249 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH251 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in PSC Pipe Lines - PSC Cement Joint Leak itemH252 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in PSC Pipe Lines - Using MS Step Collar itemH254 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (AC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH256 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending Burst in AC Pipe Lines - AC Pipe Coupler Burst Using MS Plain Collar itemH257 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in AC Pipe Lines - Using MS Barrel Pipe itemH263 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (CI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH269 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in CI Pipe Lines-Leak Cut Barrel & MJ Collar itemH270 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in CI Pipe Lines-Burst Pipe Replacement itemH276 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH282 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending DI Pipe Lines- Leak Single MJ Collar itemH283 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 500mm DI Pipes itemH284 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending DI Pipe Lines- Burst Pipe Replacement itemH285 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH287 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in PSC Pipe Lines- PSC Pipe Leak Using MS Plain Collar itemH288 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in PSC Pipe Lines- Using MS Barrel Pipe itemH290 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending the Repair and Renewal works in Submersible Pumpset etc, complete and as directed by the departmental officers. itemH292 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittingsetc, complete and as directed by the departmental officers. itemH293 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transporting the pumpset from Pump House to work shopetc, complete and as directed by the departmental officers. itemH296 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materialsetc, complete and as directed by the departmental officers. itemH299 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc, complete and as directed by the departmental officers. itemH302 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old materialetc, complete and as directed by the departmental officers. itemH305 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair worksetc, complete and as directed by the departmental officers itemH308 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumpingetc, complete and as directed by the departmental officers. itemH311 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending the Repair and Renewal works in Monoblock Pumpset itemH314 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Removing the Mono block Centrifugal Pumpset from the Bed assembly by using contractors tools and materials after disconnecting the power supply cable and delivery pipe line fittings with required dummy plate arrangements and as directed by TWAD Board officers itemH315 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transporting the pumpset from the Pumping Station to work shopand as directed by TWAD Board officers itemH318 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Removing the Burnt winding materials from the stator slots and cleaning the stator and rotor assembly by using contractor tools and materialsand as directed by TWAD Board officers itemH321 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Reconditioning the worn-out shaft and fittings, impeller and Rope gland bush including cost of lath work & labour charges etc.,and as directed by TWAD Board officers itemH324 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Rewinding the Mono block Centrifugal Motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materialsand as directed by TWAD Board officers itemH327 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Replacement of driven end (No: XXXX) and Non driven end (No:XXXX) Bearings suitable for Mono block Centrifugal Motor including the cost of Bearing and labour charges after deducting the cost of old materialsand as directed by TWAD Board officers itemH330 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Replacement of cooling fan at motor end and Terminal Board for suitable for Mono block Centrifugal Pumpset and labour charges after deducting the cost of old materialsand as directed by TWAD Board officers itemH333 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transporting charges for Mono block Centrifugal Pumpset from work shop to Pump House after attending repair worksetc complete and as directed by TWAD Board officers itemH336 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Re-erection of pumpset in the Sump / Well by using required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipe line arrangements, testing and trial pumping etc complete and as directed by TWAD Board officers itemH339 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) etc, Complete and as directed by the departmental officers. itemH342 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc, Complete and as directed by the departmental officers. itemH343 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges etc, Complete and as directed by the departmental officers. itemH345 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH347 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 For 50 HP wash water motor unit I and Unit II at WTP Siruvani Adivaram itemH348 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH349 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc, Complete and as directed by the departmental officers. itemH351 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motoretc, Complete and as directed by the departmental officers. itemH353 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools &Materialsetc, Complete and as directed by the departmental officers. itemH355 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transportation charges for conveying the motor from work shop to Pumping Stationetc, Complete and as directed by the departmental officers. itemH357 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc, Complete and as directed by the departmental officers. itemH359 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending the Repair and Replacement of bearings in various HSC Pump itemH361 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials and as directed by the departmental officers. itemH362 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers itemH364 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH366 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and as directed by the departmental officers. itemH368 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials and as directed by the departmental officers. itemH370 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine and as directed by the departmental officers. itemH372 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers. itemH374 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH376 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials and as directed by the departmental officers. itemH378 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH380 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running and as directed by the departmental officers. itemH382 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH385 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works etc, complete and as directed by the TWAD Board officers itemH388 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and delivery of Star-Delta starter confirming to IS 13947, IEC60947-1 and as amended thereafter with uitable KW rating for operation in AC/ Three Phase/50HZ (+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 nos., CT operated Ammeter (65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector switch, Miniature circuit breaker, Thermal Overload relay, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 sq. mm copper pvc insulated cable, powder coated vermin proof box, including the capacitor etc, complete and as directed by the TWAD Board officers itemH391 IS 13947, IEC60947-1 and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of DI D/F Gate (sluice) valves (soft seated) resilient seated soft sealing Gate Valves (Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or GGG 50, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty and as directed by TWAD Board Officers. itemH394 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice triple function (ventilating, admiting & ventilating during operation) air release valve with pressure rating PN 10/16 with body and cover made of Ductile Iron of Grade GGG 40 or GGG 50, conforming to IS 1865 with Food Grade Epoxy Powder coating (EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 years warranty and as directed by TWAD Board Officers. itemH399 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Jointing the CI/D.I Double flanged pipes and specials with rubber insertion to with IS 638 (1979) and M.S. bolts and nuts of IS1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc., complete. itemH403 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Sluice Valve itemH404 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Air Valve itemH408 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Construction of masonry valve pit as per TWAD Type design for Air Valve including fixing the valves including earth work excavation for foundation, P.C.C. 1:4:8 using 40mm HBG metal for levelling course, brick work in CM 1:5 for side wall, plastering with CM 1:3, 12mm thick, RCC 1:1.5:3 using 20mm HBG stone jelly for cover slab, providing cut stone in CM 1:3 including supply, fabricating and placing of RTS grills for the following valves including charges for precasting and fixing surface box, valves and specials in position, refilling the sides of the pit etc., complete and as directed by TWAD Board Officers. itemH412 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Construction of masonry valve pit as per TWAD Type design for Scour Valve including fixing the valves including earth work excavation for foundation, P.C.C. 1:4:8 using 40mm HBG metal for levelling course, brick work in CM 1:5 for side wall, plastering with CM 1:3, 12mm thick, RCC 1:1.5:3 using 20mm HBG stone jelly for cover slab, providing cut stone in CM 1:3 including supply, fabricating and placing of RTS grills for the following valves including charges for precasting and fixing surface box, valves and specials in position, refilling the sides of the pit etc., complete and as directed by TWAD Board Officers. itemH420 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for Oil filtration of transformer and Material cost with accessories and etc., complete. The following works carried out and verified as per IE Rule. (80KVA) 1. Removal of sludge and dirt from the transformer oil 2. Top up the new transformer oil (minimum 100ltr) with specification as per IE rule up to oil level as per IE rule. 3. Replace the existing lighting arrester with new one. 4. Replacing of new silica gel with filling of oil suitable for transformer including cost of materials as per IE rule. 5. Testing of transformer oil insulation and acidity testing etc., including oil filtration circulated to withstand BDV 50 KV/minute 6. Testing of no load and load condition as per IE rule. 7. Testing and calibration of earth fault relay. 8. Testing of earth electrode. itemH426 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 9. Fault rectification accessories. 10.Painting of transformer & Yard with neccessary repair & Rejuvenation works as per IE rule. 11.Providing sticker for "DANGER" 12. Replace the damged transformer core cable with new one and ensure the crimping. 13. Replace the fault Thermometer with new one. 14. Replace the existing bushing, cooling tube with new one. 15.Replace the existing of Buchholz relay with new one. 16. Confirm all Tap leads and connection in good / working condition as per IE rule. itemH427 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 For a period from 01.04.2028 to 31.03.2029 itemH429 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Leak & Burst itemH430 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (AC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH431 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending Burst in AC Pipe Lines - AC Pipe Coupler Leak itemH432 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending Burst in AC Pipe Lines-Using MS Step Collar itemH438 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (CI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH444 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending Burst in CI Pipe Lines -Leak Specials Cement Joint itemH445 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending Burst in CI Pipe Lines -Leak Single MJ Collar itemH451 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH457 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in DI Pipe Lines - Leak Specials Cement Joint itemH458 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in DI Pipe Lines - Leak Cut Barrel & MJ Coller itemH460 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH462 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending Burst in PSC Pipe Lines - PSC Cement Joint Leak itemH463 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in PSC Pipe Lines - Using MS Step Collar itemH465 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (AC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH467 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending Burst in AC Pipe Lines - AC Pipe Coupler Burst Using MS Plain Collar itemH468 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending Burst in AC Pipe Lines - Using MS Barrel Pipe itemH474 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (CI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH480 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in CI Pipe Lines-Leak Cut Barrel & MJ Collar itemH481 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending Burst in CI Pipe Lines-Burst Pipe Replacement itemH487 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH493 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending DI Pipe Lines- Leak Single MJ Collar itemH494 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending DI Pipe Lines- Burst Pipe Replacement itemH496 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH498 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending Burst in PSC Pipe Lines- PSC Pipe Leak Using MS Plain Collar itemH499 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending Burst in PSC Pipe Lines- Using MS Barrel Pipe itemH501 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending the Repair and Renewal works in Submersible Pumpset etc, complete and as directed by the departmental officers. itemH503 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittingsetc, complete and as directed by the departmental officers. itemH504 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transporting the pumpset from Pump House to work shopetc, complete and as directed by the departmental officers. itemH507 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materialsetc, complete and as directed by the departmental officers. itemH510 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc, complete and as directed by the departmental officers. itemH513 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old materialetc, complete and as directed by the departmental officers. itemH516 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair worksetc, complete and as directed by the departmental officers itemH519 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumpingetc, complete and as directed by the departmental officers. itemH522 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending the Repair and Renewal works in Monoblock Pumpset itemH525 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Removing the Mono block Centrifugal Pumpset from the Bed assembly by using contractors tools and materials after disconnecting the power supply cable and delivery pipe line fittings with required dummy plate arrangements and as directed by TWAD Board officers itemH526 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transporting the pumpset from the Pumping Station to work shopand as directed by TWAD Board officers itemH529 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Removing the Burnt winding materials from the stator slots and cleaning the stator and rotor assembly by using contractor tools and materialsand as directed by TWAD Board officers itemH532 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Reconditioning the worn-out shaft and fittings, impeller and Rope gland bush including cost of lath work & labour charges etc.,and as directed by TWAD Board officers itemH535 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Rewinding the Mono block Centrifugal Motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materialsand as directed by TWAD Board officers itemH538 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Replacement of driven end (No: XXXX) and Non driven end (No:XXXX) Bearings suitable for Mono block Centrifugal Motor including the cost of Bearing and labour charges after deducting the cost of old materialsand as directed by TWAD Board officers itemH541 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Replacement of cooling fan at motor end and Terminal Board for suitable for Mono block Centrifugal Pumpset and labour charges after deducting the cost of old materialsand as directed by TWAD Board officers itemH544 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Transporting charges for Mono block Centrifugal Pumpset from work shop to Pump House after attending repair worksetc complete and as directed by TWAD Board officers itemH547 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Re-erection of pumpset in the Sump / Well by using required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipe line arrangements, testing and trial pumping etc complete and as directed by TWAD Board officers itemH550 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) etc, Complete and as directed by the departmental officers. itemH553 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc, Complete and as directed by the departmental officers. itemH554 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges etc, Complete and as directed by the departmental officers. itemH556 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH558 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH560 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc, Complete and as directed by the departmental officers. itemH562 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motoretc, Complete and as directed by the departmental officers. itemH564 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools &Materialsetc, Complete and as directed by the departmental officers. itemH566 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Transportation charges for conveying the motor from work shop to Pumping Stationetc, Complete and as directed by the departmental officers. itemH568 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc, Complete and as directed by the departmental officers. itemH570 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending the Repair and Replacement of bearings in various HSC Pump itemH572 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials and as directed by the departmental officers. itemH573 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers itemH575 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH577 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and as directed by the departmental officers. itemH579 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials and as directed by the departmental officers. itemH581 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine and as directed by the departmental officers. itemH583 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers. itemH585 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH587 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials and as directed by the departmental officers. itemH589 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH591 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running and as directed by the departmental officers. itemH593 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH596 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works etc, complete and as directed by the TWAD Board officers itemH599 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of Star-Delta starter confirming to IS 13947, IEC60947-1 and as amended thereafter with uitable KW rating for operation in AC/ Three Phase/50HZ (+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 nos., CT operated Ammeter (65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector switch, Miniature circuit breaker, Thermal Overload relay, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 sq. mm copper pvc insulated cable, powder coated vermin proof box, including the capacitor etc, complete and as directed by the TWAD Board officers itemH602 IS 13947, IEC60947-1 and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 12.50 HP Starter ( Star Delta) itemH603 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of DI D/F Gate (sluice) valves (soft seated) resilient seated soft sealing Gate Valves (Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or GGG 50, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty and as directed by TWAD Board Officers. itemH605 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice triple function (ventilating, admiting & ventilating during operation) air release valve with pressure rating PN 10/16 with body and cover made of Ductile Iron of Grade GGG 40 or GGG 50, conforming to IS 1865 with Food Grade Epoxy Powder coating (EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 years warranty and as directed by TWAD Board Officers. itemH610 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Jointing the CI/D.I Double flanged pipes and specials with rubber insertion to with IS 638 (1979) and M.S. bolts and nuts of IS1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc., complete. itemH614 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Sluice Valve itemH615 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Air Valve itemH619 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Construction of masonry valve pit as per TWAD Type design for Air Valve including fixing the valves including earth work excavation for foundation, P.C.C. 1:4:8 using 40mm HBG metal for levelling course, brick work in CM 1:5 for side wall, plastering with CM 1:3, 12mm thick, RCC 1:1.5:3 using 20mm HBG stone jelly for cover slab, providing cut stone in CM 1:3 including supply, fabricating and placing of RTS grills for the following valves including charges for precasting and fixing surface box, valves and specials in position, refilling the sides of the pit etc., complete and as directed by TWAD Board Officers. itemH623 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Construction of masonry valve pit as per TWAD Type design for Scour Valve including fixing the valves including earth work excavation for foundation, P.C.C. 1:4:8 using 40mm HBG metal for levelling course, brick work in CM 1:5 for side wall, plastering with CM 1:3, 12mm thick, RCC 1:1.5:3 using 20mm HBG stone jelly for cover slab, providing cut stone in CM 1:3 including supply, fabricating and placing of RTS grills for the following valves including charges for precasting and fixing surface box, valves and specials in position, refilling the sides of the pit etc., complete and as directed by TWAD Board Officers. itemH631 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for Oil filtration of transformer and Material cost with accessories and etc., complete. The following works carried out and verified as per IE Rule. (80KVA) 1. Removal of sludge and dirt from the transformer oil 2. Top up the new transformer oil (minimum 100ltr) with specification as per IE rule up to oil level as per IE rule. 3. Replace the existing lighting arrester with new one. 4. Replacing of new silica gel with filling of oil suitable for transformer including cost of materials as per IE rule. 5. Testing of transformer oil insulation and acidity testing etc., including oil filtration circulated to withstand BDV 50 KV/minute 6. Testing of no load and load condition as per IE rule. 7. Testing and calibration of earth fault relay. 8. Testing of earth electrode. itemH637 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 9. Fault rectification accessories. 10.Painting of transformer & Yard with neccessary repair & Rejuvenation works as per IE rule. 11.Providing sticker for "DANGER" 12. Replace the damged transformer core cable with new one and ensure the crimping. 13. Replace the fault Thermometer with new one. 14. Replace the existing bushing, cooling tube with new one. 15.Replace the existing of Buchholz relay with new one. 16. Confirm all Tap leads and connection in good / working condition as per IE rule. itemH638 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Cost of Chemicals itemH640 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and delivery of Alum (Sulphate of Alumino Ferric) required for Water Treatment Plants confirming to IS specification 299/1980 and as amended from time to time for delivery at anywhere in Coimbatore District including loading, freight, unloading, transit, insurance and all other incidental charges. itemH641 IS specification 299/1980 and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Liquid Chlorine as per IS Specification (with Chlorine 99.8%, Moisture, Na2O3, Hydrogen and Carbondioxide are to be nil) required for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges. itemH645 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges. itemH649 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

Select, Excess (+), Less (-) Less (-)

Tender Inviting Authority: The Chief Engineer, TWAD Board, Coimbatore

Name of Work: Operation and maintenance of 5 Nos of CWSS under Maintenance Division (Siruvani) in Coimbatore and Tiruppur Districts including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package - 8

Contract No: 24 to 28/ O&M of CWSS to Coimbatore/SDO(T7)/CE/CBE/2025/ Dated. 17.12.2025

Name of the Bidder/ Bidding Firm / Company :

Sl. No. Description of Work Item Code / Make Probable quantity Figures Units Estimated Rate TNBP No. Other Specification Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency BASIC RATE In Figures To be entered by the Bidder Rs. P Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category TOTAL AMOUNT Without Taxes TOTAL AMOUNT With Taxes TOTAL AMOUNT In Words

0.000 Part :- 2 - Operation and maintenance of CWSS to 249 Habitations ( 82 in Annur, 133 in Avinashi, 25 in Sulur Union and 48 Habitations 89 in Karamadai Union, Annur, Avinashi and Mooperipalayam Town Panchayats in Coimbatore District including repairs, rectification works and supply of Chemicals for three years for the period from 01.07.2023 to 31.3.2026 (2023-2026). itemH1 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

2.001 Operation and Maintenance of CWSS itemH2 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.002 Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure -I, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . itemH3 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.003 For a period from 01.04.2026 to 31.03.2027 itemH4 0.000 ML Excess(+) Full Conversion INR 1 ML (One Million Litres) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.006 For a period from 01.04.2026 to 31.03.2027 itemH7 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.007 Leak & Burst itemH8 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.008 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PVC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of PVC Pipes, couplers, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH9 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.009 Attending PVC Pipe Lines - Leak PVC itemH10 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.01 Leak PVC itemH11 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.015 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (HDPE pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe including supply and delivery of HDPE Pipes, couplers jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH16 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.016 Attending HDPE Pipe Lines-Leak HDPE Coupler Joint itemH17 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.022 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH23 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.023 Attending DI Pipe Lines-Leak Single MJ Collar itemH24 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.027 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH28 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.028 Attending Burst in PSC Pipe Lines-PSC Cement Joint Leak itemH29 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.033 Attending Burst in PSC Pipe Lines - PSC Pipe Leak using MS Plain Collar itemH34 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.037 Attending Burst in PSC Pipe Lines - Using MS Step Collar itemH38 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.041 Attending Burst in PSC Pipe Lines- using MS Barrel Pipe itemH42 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.045 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH46 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.04599999999999 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset 100HP (10960 lpm x 24m) VT pumpset for Raw water at Vedar Colony. itemH47 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.05599999999999 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH57 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.05699999999999 100HP (10960 lpm x 24m) VT pumpset for Raw water at Vedar Colony. itemH58 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.06499999999999 Re errection of reconditioned stuffing box, new Head shaft, Discharge head and Motor, fixing the Rachet load bearing assembly including filling of required 90 grade oil and Connecting the 440V AC incoming Cable to the Motor Terminal and fixing new rope in the rope gland and Checking Motor Pumpset Alignment and Rotation and testing with load and as directed by the departmental officers. itemH66 0.000 No Special Specification Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.06599999999999 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) itemH67 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.06699999999999 75 HP (7133 lpm x 27 m) HSC pumpset for Clear water at Vedar Colony. itemH68 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.07699999999999 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) itemH78 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.07799999999999 100HP (3204 lpm x 79 m) HSC pumpset at Vellikuppampalayam Booster Station Phase I. itemH79 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.08799999999999 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH89 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.08899999999999 100HP (3580 lpm x 78 m) HSC pumpset at Vellikuppampalayam Booster Station.Phase II. itemH90 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.09899999999999 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) itemH100 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.09999999999999 50 HP (3204 lpm x 41 m) HSC pumpset at Kunniyur Booster Station.Phase I. itemH101 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.10999999999999 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) itemH111 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.11099999999999 40 HP (3039 lpm x 37 m) HSC pumpset at Sumaithangi Booster Station.Phase II. itemH112 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.12099999999999 Attending the Repair and Replacement of bearings in various HSC Pump itemH122 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.12199999999999 75 HP (7133 lpm x 27 m) HSC pumpset for Clear water at Vedar Colony. itemH123 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.12899999999999 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers. itemH130 0.000 No Special Specification Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.13399999999998 Attending the Repair and Replacement of bearings in various HSC Pump itemH135 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.13499999999998 100HP (3204 lpm x 79 m) HSC pumpset at Vellikuppampalayam Booster Station Phase I. itemH136 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.14699999999998 Attending the Repair and Replacement of bearings in various HSC Pump itemH148 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.14799999999998 100HP (3580 lpm x 78 m) HSC pumpset at Vellikuppampalayam Booster Station.Phase II. itemH149 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.15999999999998 Attending the Repair and Replacement of bearings in various HSC Pump itemH161 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.16099999999998 50 HP (3204 lpm x 41 m) HSC pumpset at Kunniyur Booster Station.Phase I. itemH162 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.17299999999998 Attending the Repair and Replacement of bearings in various HSC Pump itemH174 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.17399999999998 40HP (3039 lpm x 37m) HSC pumpset for Sumaithangi Pumping main at Sumaithanhi Booster Station Phase II. itemH175 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.18599999999998 Attending the Repair and Renewal works in Submersible Pumpset itemH187 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.18699999999998 25 HP(1085 lpm x 36m) for Kariampalayam Booster station - BM-IV -A. itemH188 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.19299999999998 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc, complete and as directed by the departmental officers. itemH194 0.000 No Special Specification Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.19499999999998 Attending the Repair and Renewal works in Submersible Pumpset itemH196 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.19599999999998 5 HP(569 lpm x 18m) for Kareampalayam Booster station - BM-IV - B. itemH197 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.20399999999998 Attending the Repair and Renewal works in Submersible Pumpset itemH205 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.20499999999998 10 HP(439 lpm x 59m) for Sumaithangi BM-V. itemH206 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.21499999999998 Trasformer Oil Filteration work to 400 KVA Transformer Booster station at Vellikuppampalayam . itemH216 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.21599999999998 Charges for Oil filtration of transformer and Material cost with accessories and etc., complete. The following works carried out and verified as per IE Rule. 1. Removal of sludge and dirt from the transformer oil 2. Top up the new transformer oil (minimum 100ltr) with specification as per IE rule up to oil level as per IE rule. 3. Replace the existing lighting arrester with new one. 4. Replacing of new silica gel with filling of oil suitable for transformer including cost of materials as per IE rule. 5. Testing of transformer oil insulation and acidity testing etc., including oil filtration circulated to withstand BDV 50 KV/minute 6. Testing of no load and load condition as per IE rule. 7. Testing and calibration of earth fault relay. 8. Testing of earth electrode. 9. Fault rectification accessories. itemH217 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.21799999999998 Repair and Reconditioning of Valves itemH219 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.21899999999998 Sluice Valve 350mm itemH220 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.22599999999998 Sluice Valve 250 mm itemH227 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.23299999999997 Sluice Valve 200 mm itemH234 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.23999999999997 Sluice Valve 100 mm itemH241 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.24699999999997 Sluice Valve 80 mm itemH248 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.25399999999997 Air Valves 80 mm itemH255 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.25599999999997 Air Valves 100 mm itemH257 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.25699999999997 Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete as directed by the Departmental officer itemH258 0.000 No Special Specification Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.25799999999997 Air Valves 150 mm itemH259 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.26299999999997 Lightning Arrangements : itemH264 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.26599999999997 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH267 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.27399999999997 For a period from 01.04.2027 to 31.03.2028 itemH275 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.27499999999997 Leak & Burst itemH276 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.27599999999997 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PVC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of PVC Pipes, couplers, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH277 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.27699999999997 Attending PVC Pipe Lines - Leak PVC itemH278 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.27799999999997 Leak PVC itemH279 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.28299999999997 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (HDPE pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe including supply and delivery of HDPE Pipes, couplers jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH284 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.28399999999997 Attending HDPE Pipe Lines-Leak HDPE Coupler Joint itemH285 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.28999999999997 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH291 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.29099999999997 Attending DI Pipe Lines-Leak Single MJ Collar itemH292 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.29499999999997 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH296 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.29599999999997 Attending Burst in PSC Pipe Lines-PSC Cement Joint Leak itemH297 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.30099999999997 Attending Burst in PSC Pipe Lines - PSC Pipe Leak using MS Plain Collar itemH302 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.30499999999997 Attending Burst in PSC Pipe Lines - Using MS Step Collar itemH306 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.30899999999997 Attending Burst in PSC Pipe Lines- using MS Barrel Pipe itemH310 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.31299999999997 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH314 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.31399999999997 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset 100HP (10960 lpm x 24m) VT pumpset for Raw water at Vedar Colony. itemH315 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.32099999999997 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by the departmental officers. itemH322 0.000 No Special Specification Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.32399999999996 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH325 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.32499999999996 100HP (10960 lpm x 24m) VT pumpset for Raw water at Vedar Colony. itemH326 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.33399999999996 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) itemH335 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.33499999999996 75 HP (7133 lpm x 27 m) HSC pumpset for Clear water at Vedar Colony. itemH336 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.34499999999996 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) itemH346 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.34599999999996 100HP (3204 lpm x 79 m) HSC pumpset at Vellikuppampalayam Booster Station Phase I. itemH347 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.35599999999996 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH357 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.35699999999996 100HP (3580 lpm x 78 m) HSC pumpset at Vellikuppampalayam Booster Station.Phase II. itemH358 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.36699999999996 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) itemH368 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.36799999999996 50 HP (3204 lpm x 41 m) HSC pumpset at Kunniyur Booster Station.Phase I. itemH369 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.37799999999996 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) itemH379 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.37899999999996 40 HP (3039 lpm x 37 m) HSC pumpset at Sumaithangi Booster Station.Phase II. itemH380 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.38499999999996 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor etc, Complete and as directed by the departmental officers. itemH386 0.000 No Special Specification Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.38899999999996 Attending the Repair and Replacement of bearings in various HSC Pump itemH390 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.38999999999996 75 HP (7133 lpm x 27 m) HSC pumpset for Clear water at Vedar Colony. itemH391 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.40199999999996 Attending the Repair and Replacement of bearings in various HSC Pump itemH403 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.40299999999996 100HP (3204 lpm x 79 m) HSC pumpset at Vellikuppampalayam Booster Station Phase I. itemH404 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.41499999999995 Attending the Repair and Replacement of bearings in various HSC Pump itemH416 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.41599999999995 100HP (3580 lpm x 78 m) HSC pumpset at Vellikuppampalayam Booster Station.Phase II. itemH417 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.42799999999995 Attending the Repair and Replacement of bearings in various HSC Pump itemH429 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.42899999999995 50 HP (3204 lpm x 41 m) HSC pumpset at Kunniyur Booster Station.Phase I. itemH430 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.44099999999995 Attending the Repair and Replacement of bearings in various HSC Pump itemH442 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.44199999999995 40HP (3039 lpm x 37m) HSC pumpset for Sumaithangi Pumping main at Sumaithanhi Booster Station Phase II. itemH443 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.45399999999995 Attending the Repair and Renewal works in Submersible Pumpset itemH455 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.45499999999995 25 HP(1085 lpm x 36m) for Kariampalayam Booster station - BM-IV -A. itemH456 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.46299999999995 Attending the Repair and Renewal works in Submersible Pumpset itemH464 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.46399999999995 5 HP(569 lpm x 18m) for Kareampalayam Booster station - BM-IV - B. itemH465 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.47199999999995 Attending the Repair and Renewal works in Submersible Pumpset itemH473 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.47299999999995 10 HP(439 lpm x 59m) for Sumaithangi BM-V. itemH474 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.48299999999995 Trasformer Oil Filteration work to 400 KVA Transformer Booster station at Vellikuppampalayam . itemH484 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.48399999999995 Charges for Oil filtration of transformer and Material cost with accessories and etc., complete. The following works carried out and verified as per IE Rule. 1. Removal of sludge and dirt from the transformer oil 2. Top up the new transformer oil (minimum 100ltr) with specification as per IE rule up to oil level as per IE rule. 3. Replace the existing lighting arrester with new one. 4. Replacing of new silica gel with filling of oil suitable for transformer including cost of materials as per IE rule. 5. Testing of transformer oil insulation and acidity testing etc., including oil filtration circulated to withstand BDV 50 KV/minute 6. Testing of no load and load condition as per IE rule. 7. Testing and calibration of earth fault relay. 8. Testing of earth electrode. 9. Fault rectification accessories. itemH485 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.48599999999995 Repair and Reconditioning of Valves itemH487 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.48699999999995 Sluice Valve 350mm itemH488 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.49399999999995 Sluice Valve 250 mm itemH495 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.50099999999994 Sluice Valve 200 mm itemH502 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.50799999999994 Sluice Valve 100 mm itemH509 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.51499999999994 Sluice Valve 80 mm itemH516 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.52199999999994 Air Valves 80 mm itemH523 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.52399999999994 Air Valves 100 mm itemH525 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.52599999999994 Air Valves 150 mm itemH527 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.53099999999994 Lightning Arrangements : itemH532 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.53399999999994 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH535 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.54199999999994 For a period from 01.04.2028 to 31.03.2029 itemH543 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.54299999999994 Leak & Burst itemH544 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.54399999999994 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PVC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of PVC Pipes, couplers, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH545 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.54499999999994 Attending PVC Pipe Lines - Leak PVC itemH546 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.54599999999994 Leak PVC itemH547 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.55099999999994 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (HDPE pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe including supply and delivery of HDPE Pipes, couplers jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH552 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.55199999999994 Attending HDPE Pipe Lines-Leak HDPE Coupler Joint itemH553 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.55799999999994 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH559 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.55899999999994 Attending DI Pipe Lines-Leak Single MJ Collar itemH560 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.56299999999994 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH564 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.56399999999994 Attending Burst in PSC Pipe Lines-PSC Cement Joint Leak itemH565 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.56899999999994 Attending Burst in PSC Pipe Lines - PSC Pipe Leak using MS Plain Collar itemH570 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.57299999999994 Attending Burst in PSC Pipe Lines - Using MS Step Collar itemH574 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.57699999999994 Attending Burst in PSC Pipe Lines- using MS Barrel Pipe itemH578 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.58099999999994 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH582 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.58199999999994 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset 100HP (10960 lpm x 24m) VT pumpset for Raw water at Vedar Colony. itemH583 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.59199999999993 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH593 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.59299999999994 100HP (10960 lpm x 24m) VT pumpset for Raw water at Vedar Colony. itemH594 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.60199999999993 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) itemH603 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.60299999999993 75 HP (7133 lpm x 27 m) HSC pumpset for Clear water at Vedar Colony. itemH604 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.61299999999993 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) itemH614 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.61399999999993 100HP (3204 lpm x 79 m) HSC pumpset at Vellikuppampalayam Booster Station Phase I. itemH615 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.62399999999993 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH625 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.62499999999993 100HP (3580 lpm x 78 m) HSC pumpset at Vellikuppampalayam Booster Station.Phase II. itemH626 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.63499999999993 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) itemH636 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.63599999999993 50 HP (3204 lpm x 41 m) HSC pumpset at Kunniyur Booster Station.Phase I. itemH637 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.63999999999993 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH641 0.000 No Special Specification Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.64599999999993 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) itemH647 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.64699999999993 40 HP (3039 lpm x 37 m) HSC pumpset at Sumaithangi Booster Station.Phase II. itemH648 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.65699999999993 Attending the Repair and Replacement of bearings in various HSC Pump itemH658 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.65799999999993 75 HP (7133 lpm x 27 m) HSC pumpset for Clear water at Vedar Colony. itemH659 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.66999999999993 Attending the Repair and Replacement of bearings in various HSC Pump itemH671 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.67099999999993 100HP (3204 lpm x 79 m) HSC pumpset at Vellikuppampalayam Booster Station Phase I. itemH672 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.68299999999992 Attending the Repair and Replacement of bearings in various HSC Pump itemH684 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.68399999999992 100HP (3580 lpm x 78 m) HSC pumpset at Vellikuppampalayam Booster Station.Phase II. itemH685 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.69599999999992 Attending the Repair and Replacement of bearings in various HSC Pump itemH697 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.69699999999992 50 HP (3204 lpm x 41 m) HSC pumpset at Kunniyur Booster Station.Phase I. itemH698 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.70399999999992 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers. itemH705 0.000 No Special Specification Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.70899999999992 Attending the Repair and Replacement of bearings in various HSC Pump itemH710 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.70999999999992 40HP (3039 lpm x 37m) HSC pumpset for Sumaithangi Pumping main at Sumaithanhi Booster Station Phase II. itemH711 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.72199999999992 Attending the Repair and Renewal works in Submersible Pumpset itemH723 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.72299999999992 25 HP(1085 lpm x 36m) for Kariampalayam Booster station - BM-IV -A. itemH724 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.73099999999992 Attending the Repair and Renewal works in Submersible Pumpset itemH732 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.73199999999992 5 HP(569 lpm x 18m) for Kareampalayam Booster station - BM-IV - B. itemH733 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.73999999999992 Attending the Repair and Renewal works in Submersible Pumpset itemH741 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.74099999999992 10 HP(439 lpm x 59m) for Sumaithangi BM-V. itemH742 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.75099999999992 Trasformer Oil Filteration work to 400 KVA Transformer Booster station at Vellikuppampalayam . itemH752 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.75199999999992 Charges for Oil filtration of transformer and Material cost with accessories and etc., complete. The following works carried out and verified as per IE Rule. 1. Removal of sludge and dirt from the transformer oil 2. Top up the new transformer oil (minimum 100ltr) with specification as per IE rule up to oil level as per IE rule. 3. Replace the existing lighting arrester with new one. 4. Replacing of new silica gel with filling of oil suitable for transformer including cost of materials as per IE rule. 5. Testing of transformer oil insulation and acidity testing etc., including oil filtration circulated to withstand BDV 50 KV/minute 6. Testing of no load and load condition as per IE rule. 7. Testing and calibration of earth fault relay. 8. Testing of earth electrode. 9. Fault rectification accessories. itemH753 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.75399999999992 Repair and Reconditioning of Valves itemH755 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.75499999999992 Sluice Valve 350mm itemH756 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.76199999999992 Sluice Valve 250 mm itemH763 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.76899999999991 Sluice Valve 200 mm itemH770 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.77599999999991 Sluice Valve 100 mm itemH777 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.78299999999991 Sluice Valve 80 mm itemH784 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.78999999999991 Air Valves 80 mm itemH791 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.79199999999991 Air Valves 100 mm itemH793 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.79399999999991 Air Valves 150 mm itemH795 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.79899999999991 Lightning Arrangements : itemH800 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.80199999999991 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH803 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.80999999999991 Cost of Chemicals itemH811 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.81099999999991 Supply and delivery of Alum (Sulphate of Alumino Ferric) required for Water Treatment Plants confirming to IS specification 299/1980 and as amended from time to time for delivery at anywhere in Coimbatore District including loading, freight, unloading, transit, insurance and all other incidental charges. itemH812 IS specification 299/1980 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.81499999999991 Supply and delivery of Liquid Chlorine as per IS Specification ( with Chlorine 99.8%, Moisture, Na2O3, Hydrogen and Carbondioxide are to be nil) required for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges. itemH816 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.81899999999991 Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges. itemH820 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

Select, Excess (+), Less (-) Less (-)

Tender Inviting Authority: The Chief Engineer, TWAD Board, Coimbatore

Name of Work: Operation and maintenance of 5 Nos of CWSS under Maintenance Division (Siruvani) in Coimbatore and Tiruppur Districts including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package - 8

Contract No: 24 to 28/ O&M of CWSS to Coimbatore/SDO(T7)/CE/CBE/2025/ Dated. 17.12.2025

Name of the Bidder/ Bidding Firm / Company :

Sl. No. Description of Work Item Code / Make Probable quantity Figures Units Estimated Rate TNBP No. Other Specification Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency BASIC RATE In Figures To be entered by the Bidder Rs. P Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category TOTAL AMOUNT Without Taxes TOTAL AMOUNT With Taxes TOTAL AMOUNT In Words

0.000 Part :- 3 - Operation and Maintenance of CWSS to Kurichi Kuniamuthur Municipalities and Kinathukadavu Town Panchayat in Coimbatore District including repairs, rectification works and supply of Chemicals for three years for the period from 01.04.2026 to 31.3.2029 (2026-2029). itemH1 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

3.001 Operation and Maintenance of CWSS itemH2 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.002 Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure -I, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . itemH3 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.003 For a period from 01.04.2026 to 31.03.2027 itemH4 0.999 ML Excess(+) Full Conversion INR 1 ML (One Million Litres) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.006 For a period from 01.04.2026 to 31.03.2027 itemH7 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.007 Leak & Burst itemH8 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.008 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (GI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of GI Pipes, couplers, union, jointing materials and required specials, cutting, threading, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers itemH9 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.009 Attending GI Pipe Lines - GI Pipe 1m Length itemH10 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.011 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PVC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of PVC Pipes, couplers, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH12 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.012 Attending PVC Pipe Lines - Leak PVC itemH13 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.014 Attending PVC Pipe Lines - Burst PVC itemH15 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.016 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (HDPE pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe including supply and delivery of HDPE Pipes, couplers jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH17 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.017 Attending HDPE Pipe Lines - Leak HDPE Fusion Joint itemH18 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.019 Attending HDPE Pipe Lines - Burst HDPE itemH20 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.021 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH22 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.022 Attending Burst in PSC Pipe Lines - PSC Cement Joint Leak itemH23 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.026 Attending Burst in PSC Pipe Lines - PSC Pipe Leak using MS Plain Collar itemH27 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.03 Attending Burst in PSC Pipe Lines - Using MS Barrel Pipe itemH31 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.034 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (MS pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of MS Pipes, MS specials without inside lining and outside coating but with anti-rust painting, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers itemH35 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.035 Attending MS Pipe Llines MS Plate in MS Pipe itemH36 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.042 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH43 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.043 Attending DI Pipe Llines - Leak Specials Cement Joint itemH44 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.04599999999999 Attending DI Pipe Llines - Leak Single MJ Collar itemH47 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.04899999999999 Attending DI Pipe Llines - Burst Pipe Replacement itemH50 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.05199999999999 Attending rewinding and replacement of bearings of indution motor for Vertical turbine Pumpset itemH53 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.05299999999999 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc., complete and as directed by the departmental officer.. itemH54 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.05499999999999 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges etc., complete and as directed by the departmental officers. itemH56 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.05699999999999 Labour Charges for removing the two end side cover with fan arrangements and Dismantling the damaged NDE Side ball Bearing from the motor after removing the Rachet assembly load bearing safely and Fixing the New ball Bearing in the appropriate place with required lubricants without any damage to the motor shaft and winding after deducting the old damaged materials etc., complete and as directed by the departmental officers. itemH58 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.05899999999999 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including supply and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor etc., complete and as directed by the departmental officers. itemH60 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.06099999999999 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc., complete and as directed by the departmental officers. itemH62 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.06299999999999 Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor etc., complete and as directed by the departmental officers. itemH64 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.06499999999999 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by the departmental officers. itemH66 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.06599999999999 50HP (4167 lpm x 32m)VT pumpset for Raw water motor at Ambarampalayam . itemH67 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.06699999999999 Transportation charges for conveying the motor from work shop to pumping Station etc., complete and as directed by the departmental officers. itemH68 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.06899999999999 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc., complete and as directed by the departmental officers itemH70 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.07099999999999 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH72 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.07199999999999 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete and as directed by TWAD Board officers. itemH73 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.07399999999999 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc., itemH75 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.07599999999999 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly and as directed by the departmental officers. itemH77 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.07799999999999 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH79 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.07999999999999 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining, Polishing and as directed by the departmental officers. itemH81 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.08199999999999 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH83 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.08399999999999 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers and as directed by the departmental officers. itemH85 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.08599999999999 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH87 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.08799999999999 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH89 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.08999999999999 Supply and delivery of MS Seamless required size of Column pipe suitable for the VT Pumpset and as directed by the departmental officers. itemH91 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.09199999999999 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers. itemH93 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.09399999999999 Supply and delivery of new intermediate ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH95 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.09599999999999 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers itemH97 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.09799999999999 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components etc., complete as directed by TWAD officers. itemH99 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.09999999999999 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) etc, Complete and as directed by the departmental officers. itemH101 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.10099999999999 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc, Complete and as directed by the departmental officers. itemH102 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.10699999999999 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges etc, Complete and as directed by the departmental officers. itemH108 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.11299999999999 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH114 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.11899999999999 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH120 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.12499999999999 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc, Complete and as directed by the departmental officers. itemH126 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.12899999999999 40HP (3133 lpm x 38m) HSC motor for Kuniyamuthur Pumping main at Kurichi Booster Station. itemH130 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.13099999999999 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motoretc, Complete and as directed by the departmental officers. itemH132 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.13699999999998 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc, Complete and as directed by the departmental officers. itemH138 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.14299999999998 Transportation charges for conveying the motor from work shop to Pumping Stationetc, Complete and as directed by the departmental officers. itemH144 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.14899999999998 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc, Complete and as directed by the departmental officers. itemH150 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.15499999999998 Attending the Repair and Replacement of bearings in various HSC Pump itemH156 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.15599999999998 Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials and as directed by the departmental officers itemH157 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.16199999999998 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers. itemH163 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.16799999999998 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH169 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.17399999999998 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and as directed by the departmental officers. itemH175 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.17999999999998 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials and as directed by the departmental officers. itemH181 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.18599999999998 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine and as directed by the departmental officers. itemH187 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.19199999999998 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers. itemH193 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.19299999999998 125HP (3967 lpm x 89 m) HSC pumpset for Clear water pump at Athupollachi itemH194 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.19799999999998 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH199 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.20399999999998 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials and as directed by the departmental officers. itemH205 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.20999999999998 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH211 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.21599999999998 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running and as directed by the departmental officers. itemH217 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.22199999999998 Attending the Repair and Renewal works in Submersible Pumpsetetc, complete and as directed by the departmental officers. itemH223 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.22299999999998 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittingsetc, complete and as directed by the departmental officers. itemH224 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.22799999999997 Transporting the pumpset from Pump House to work shop etc, complete and as directed by the departmental officers. itemH229 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.23299999999997 Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materialsetc, complete and as directed by the departmental officers. itemH234 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.23799999999997 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc, complete and as directed by the departmental officers. itemH239 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.24299999999997 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old materialetc, complete and as directed by the departmental officers itemH244 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.24799999999997 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc, complete and as directed by the departmental officers. itemH249 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.25299999999997 Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumpingetc, complete and as directed by the departmental officers. itemH254 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.25699999999997 12.50HP(761 lpm x 48m) for Thirunagar Colony to Sugunapuram Hills pumping main at Thirunagar Colony Booster Station. itemH258 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.25799999999997 Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163 - 89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years itemH259 As per BS 5163 - 89/ISI 14846-2000/DIN 3202 F4 and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.26199999999997 Supply and delivery of Wafer Type (Dual Plate Check Valve) Conforming to is IS and 5 Years Warranty for Head Works, WTP, Varrious Booster Stations and Pumprooms in this scheme itemH263 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.26599999999997 Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice, triple function (ventilating, admitting and venting during operation) air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 years itemH267 IS 1865 and amended from time to time 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.26799999999997 Supply,delivery and fixing of 50 A to 75A directly operated bimetallic thermal over load relay which operates in case of over load and also in case of under voltage with manual and auto reset model. itemH269 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.27499999999997 Charges for removing the burnt power capacitor and labour charges for fixing the new KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials.. itemH276 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.28199999999997 Supply and delivery of electro magnetic contactors of suitable capacity in AC three phase 140 Amps rating conforming to IS / IEC 60947 itemH283 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.28899999999997 Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply. itemH290 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.29599999999997 Supply , delivery and fixing of 20 W 4 feet LED Fitting With LED itemH297 As per I.E Rules and Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.30299999999997 Supply , delivery and fixing of Street light 80W LED Focus Light Fitting with LED itemH304 As per I.E Rules and Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.30999999999997 Repair and Reconditioning of 5 HP Vaccum Pumpsets each itemH311 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.31799999999996 TRANSFORMER itemH319 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.32099999999997 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH322 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.32199999999996 7.00 LL capacity of Clear water Sumps itemH323 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.32299999999996 Clear water at Athupoiichi itemH324 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.32699999999996 1.00 LL capacity of Clear water Sump itemH328 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.32899999999996 For a period from 01.04.2027 to 31.03.2028 itemH330 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.32999999999996 Leak & Burst itemH331 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.33099999999996 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (GI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of GI Pipes, couplers, union, jointing materials and required specials, cutting, threading, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers itemH332 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.33199999999996 Attending GI Pipe Lines - GI Pipe 1m Length itemH333 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.33399999999996 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PVC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of PVC Pipes, couplers, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH335 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.33499999999996 Attending PVC Pipe Lines - Leak PVC itemH336 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.33699999999996 Attending PVC Pipe Lines - Burst PVC itemH338 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.33899999999996 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (HDPE pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe including supply and delivery of HDPE Pipes, couplers jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH340 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.33999999999996 Attending HDPE Pipe Lines - Leak HDPE Fusion Joint itemH341 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.34199999999996 Attending HDPE Pipe Lines - Burst HDPE itemH343 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.34399999999996 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH345 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.34499999999996 Attending Burst in PSC Pipe Lines - PSC Cement Joint Leak itemH346 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.34899999999996 Attending Burst in PSC Pipe Lines - PSC Pipe Leak using MS Plain Collar itemH350 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.35299999999996 Attending Burst in PSC Pipe Lines - Using MS Barrel Pipe itemH354 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.35699999999996 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (MS pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of MS Pipes, MS specials without inside lining and outside coating but with anti-rust painting, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers itemH358 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.35799999999996 Attending MS Pipe Llines MS Plate in MS Pipe itemH359 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.36499999999996 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH366 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.36599999999996 Attending DI Pipe Llines - Leak Specials Cement Joint itemH367 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.36899999999996 Attending DI Pipe Llines - Leak Single MJ Collar itemH370 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.37199999999996 Attending DI Pipe Llines - Burst Pipe Replacement itemH373 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.37499999999996 Attending rewinding and replacement of bearings of indution motor for Vertical turbine Pumpset itemH376 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.37599999999996 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc., complete and as directed by the departmental officer.. itemH377 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.37799999999996 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges etc., complete and as directed by the departmental officers. itemH379 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.37999999999996 Labour Charges for removing the two end side cover with fan arrangements and Dismantling the damaged NDE Side ball Bearing from the motor after removing the Rachet assembly load bearing safely and Fixing the New ball Bearing in the appropriate place with required lubricants without any damage to the motor shaft and winding after deducting the old damaged materials etc., complete and as directed by the departmental officers. itemH381 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.38199999999996 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including supply and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor etc., complete and as directed by the departmental officers. itemH383 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.38399999999996 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc., complete and as directed by the departmental officers. itemH385 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.38499999999996 50HP (4167 lpm x 32m)VT pumpset for Raw water motor at Ambarampalayam . itemH386 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.38599999999996 Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor etc., complete and as directed by the departmental officers. itemH387 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.38799999999996 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by the departmental officers. itemH389 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.38999999999996 Transportation charges for conveying the motor from work shop to pumping Station etc., complete and as directed by the departmental officers. itemH391 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.39199999999996 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc., complete and as directed by the departmental officers itemH393 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.39399999999996 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH395 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.39499999999996 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete and as directed by TWAD Board officers. itemH396 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.39699999999996 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc., itemH398 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.39899999999996 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly and as directed by the departmental officers. itemH400 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.40099999999996 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH402 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.40299999999996 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining, Polishing and as directed by the departmental officers. itemH404 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.40499999999996 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH406 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.40699999999995 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers and as directed by the departmental officers. itemH408 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.40899999999995 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH410 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.41099999999995 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH412 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.41299999999995 Supply and delivery of MS Seamless required size of Column pipe suitable for the VT Pumpset and as directed by the departmental officers. itemH414 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.41499999999995 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers. itemH416 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.41699999999995 Supply and delivery of new intermediate ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH418 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.41899999999995 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers itemH420 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.42099999999995 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components etc., complete as directed by TWAD officers. itemH422 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.42299999999995 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) etc, Complete and as directed by the departmental officers. itemH424 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.42399999999995 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc, Complete and as directed by the departmental officers. itemH425 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.42999999999995 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges etc, Complete and as directed by the departmental officers. itemH431 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.43599999999995 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH437 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.44199999999995 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH443 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.44799999999995 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc, Complete and as directed by the departmental officers. itemH449 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.45399999999995 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motoretc, Complete and as directed by the departmental officers. itemH455 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.45999999999995 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools &Materialsetc, Complete and as directed by the departmental officers. itemH461 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.46599999999995 Transportation charges for conveying the motor from work shop to Pumping Stationetc, Complete and as directed by the departmental officers. itemH467 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.47199999999995 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc, Complete and as directed by the departmental officers. itemH473 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.47799999999995 Attending the Repair and Replacement of bearings in various HSC Pump itemH479 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.47899999999995 Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials and as directed by the departmental officers itemH480 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.48499999999995 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers. itemH486 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.49099999999995 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH492 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.49699999999994 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and as directed by the departmental officers. itemH498 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.50299999999995 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials and as directed by the departmental officers. itemH504 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.50899999999994 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine and as directed by the departmental officers. itemH510 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.51499999999994 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers. itemH516 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.52099999999994 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH522 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.52699999999994 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials and as directed by the departmental officers. itemH528 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.53299999999994 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH534 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.53899999999994 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running and as directed by the departmental officers. itemH540 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.54499999999994 Attending the Repair and Renewal works in Submersible Pumpsetetc, complete and as directed by the departmental officers. itemH546 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.54599999999994 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittingsetc, complete and as directed by the departmental officers. itemH547 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.55099999999994 Transporting the pumpset from Pump House to work shop etc, complete and as directed by the departmental officers. itemH552 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.55599999999994 Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materialsetc, complete and as directed by the departmental officers. itemH557 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.56099999999994 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc, complete and as directed by the departmental officers. itemH562 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.56599999999994 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old materialetc, complete and as directed by the departmental officers itemH567 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.57099999999994 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc, complete and as directed by the departmental officers. itemH572 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.57599999999994 Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumpingetc, complete and as directed by the departmental officers. itemH577 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.58099999999994 Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163 - 89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years itemH582 As per BS 5163 - 89/ISI 14846-2000/DIN 3202 F4 and as amended from time to time 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.58499999999994 Supply and delivery of Wafer Type (Dual Plate Check Valve) Conforming to is IS and 5 Years Warranty for Head Works, WTP, Varrious Booster Stations and Pumprooms in this scheme itemH586 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.58899999999993 Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice, triple function (ventilating, admitting and venting during operation) air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM /Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 years itemH590 IS 1865 and amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.59099999999993 Supply,delivery and fixing of 50 A to 75A directly operated bimetallic thermal over load relay which operates in case of over load and also in case of under voltage with manual and auto reset model. itemH592 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.59799999999993 Charges for removing the burnt power capacitor and labour charges for fixing the new KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials.. itemH599 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.60499999999993 Supply and delivery of electro magnetic contactors of suitable capacity in AC three phase 140 Amps rating conforming to IS / IEC 60947 itemH606 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.61199999999993 Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply. itemH613 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.61899999999993 Supply , delivery and fixing of 20 W 4 feet LED Fitting With LED itemH620 As per I.E Rules and Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.62599999999993 Supply , delivery and fixing of Street light 80W LED Focus Light Fitting with LED itemH627 As per I.E Rules and Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.63299999999993 Repair and Reconditioning of 5 HP Vaccum Pumpsets each itemH634 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.63999999999993 Supply and Delivery of Grease for operration of HSC Pumpsets itemH641 0.000 Nos Special Specification Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.64099999999993 TRANSFORMER itemH642 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.64399999999993 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH645 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.64499999999993 7.00 LL capacity of Clear water Sumps itemH646 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.64999999999993 1.00 LL capacity of Clear water Sump itemH651 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.65199999999993 For a period from 01.04.2028 to 31.03.2029 itemH653 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.65299999999993 Leak & Burst itemH654 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.65399999999993 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (GI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of GI Pipes, couplers, union, jointing materials and required specials, cutting, threading, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers itemH655 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.65499999999993 Attending GI Pipe Lines - GI Pipe 1m Length itemH656 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.65699999999993 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PVC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of PVC Pipes, couplers, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH658 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.65999999999993 Attending PVC Pipe Lines - Burst PVC itemH661 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.66199999999993 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (HDPE pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe including supply and delivery of HDPE Pipes, couplers jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH663 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.66299999999993 Attending HDPE Pipe Lines - Leak HDPE Fusion Joint itemH664 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.66499999999993 Attending HDPE Pipe Lines - Burst HDPE itemH666 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.66699999999993 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH668 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.66799999999993 Attending Burst in PSC Pipe Lines - PSC Cement Joint Leak itemH669 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.67199999999993 Attending Burst in PSC Pipe Lines - PSC Pipe Leak using MS Plain Collar itemH673 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.67599999999993 Attending Burst in PSC Pipe Lines - Using MS Barrel Pipe itemH677 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.67999999999993 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (MS pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of MS Pipes, MS specials without inside lining and outside coating but with anti-rust painting, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers itemH681 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.68099999999992 Attending MS Pipe Llines MS Plate in MS Pipe itemH682 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.68799999999992 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH689 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.68899999999992 Attending DI Pipe Llines - Leak Specials Cement Joint itemH690 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.69199999999992 Attending DI Pipe Llines - Leak Single MJ Collar itemH693 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.69499999999992 Attending DI Pipe Llines - Burst Pipe Replacement itemH696 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.69799999999992 Attending rewinding and replacement of bearings of indution motor for Vertical turbine Pumpset itemH699 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.69899999999992 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc., complete and as directed by the departmental officer.. itemH700 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.70099999999992 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges etc., complete and as directed by the departmental officers. itemH702 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.70299999999992 Labour Charges for removing the two end side cover with fan arrangements and Dismantling the damaged NDE Side ball Bearing from the motor after removing the Rachet assembly load bearing safely and Fixing the New ball Bearing in the appropriate place with required lubricants without any damage to the motor shaft and winding after deducting the old damaged materials etc., complete and as directed by the departmental officers. itemH704 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.70399999999992 50HP (4167 lpm x 32m)VT pumpset for Raw water at Ambarampalayam . itemH705 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.70499999999992 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including supply and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor etc., complete and as directed by the departmental officers. itemH706 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.70699999999992 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc., complete and as directed by the departmental officers. itemH708 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.70899999999992 Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor etc., complete and as directed by the departmental officers. itemH710 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.71099999999992 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by the departmental officers. itemH712 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.71299999999992 Transportation charges for conveying the motor from work shop to pumping Station etc., complete and as directed by the departmental officers. itemH714 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.71499999999992 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc., complete and as directed by the departmental officers itemH716 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.71699999999992 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH718 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.71799999999992 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete and as directed by TWAD Board officers. itemH719 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.71999999999992 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc., itemH721 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.72199999999992 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly and as directed by the departmental officers. itemH723 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.72399999999992 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH725 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.72599999999992 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining, Polishing and as directed by the departmental officers. itemH727 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.72799999999992 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH729 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.72999999999992 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers and as directed by the departmental officers. itemH731 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.73199999999992 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH733 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.73399999999992 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH735 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.73599999999992 Supply and delivery of MS Seamless required size of Column pipe suitable for the VT Pumpset and as directed by the departmental officers. itemH737 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.73799999999992 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers. itemH739 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.73999999999992 Supply and delivery of new intermediate ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH741 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.74199999999992 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers itemH743 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.74399999999992 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components etc., complete as directed by TWAD officers. itemH745 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.74599999999992 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) etc, Complete and as directed by the departmental officers. itemH747 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.74699999999992 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc, Complete and as directed by the departmental officers. itemH748 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.75299999999992 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges etc, Complete and as directed by the departmental officers. itemH754 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.75899999999992 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH760 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.76499999999992 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH766 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.77099999999991 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc, Complete and as directed by the departmental officers. itemH772 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.77699999999991 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motoretc, Complete and as directed by the departmental officers. itemH778 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.78299999999991 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools &Materialsetc, Complete and as directed by the departmental officers. itemH784 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.78899999999991 Transportation charges for conveying the motor from work shop to Pumping Stationetc, Complete and as directed by the departmental officers. itemH790 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.79499999999991 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc, Complete and as directed by the departmental officers. itemH796 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.80099999999991 Attending the Repair and Replacement of bearings in various HSC Pump itemH802 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.80199999999991 Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials and as directed by the departmental officers itemH803 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.80799999999991 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers. itemH809 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.81399999999991 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH815 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.81999999999991 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and as directed by the departmental officers. itemH821 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.82599999999991 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials and as directed by the departmental officers. itemH827 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.83199999999991 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine and as directed by the departmental officers. itemH833 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.83799999999991 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers. itemH839 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.84399999999991 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH845 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.84999999999991 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials and as directed by the departmental officers. itemH851 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.85599999999991 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH857 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.86199999999991 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running and as directed by the departmental officers. itemH863 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.8679999999999 Attending the Repair and Renewal works in Submersible Pumpsetetc, complete and as directed by the departmental officers. itemH869 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.8689999999999 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittingsetc, complete and as directed by the departmental officers. itemH870 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.8739999999999 Transporting the pumpset from Pump House to work shop etc, complete and as directed by the departmental officers. itemH875 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.8789999999999 Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materialsetc, complete and as directed by the departmental officers. itemH880 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.8839999999999 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc, complete and as directed by the departmental officers. itemH885 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.8889999999999 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old materialetc, complete and as directed by the departmental officers itemH890 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.8939999999999 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc, complete and as directed by the departmental officers. itemH895 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.8989999999999 Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumpingetc, complete and as directed by the departmental officers. itemH900 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.9039999999999 Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163 - 89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years itemH905 As per BS 5163 - 89/ISI 14846-2000/DIN 3202 F4 and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.9079999999999 Supply and delivery of Wafer Type (Dual Plate Check Valve) Conforming to is IS and 5 Years Warranty for Head Works, WTP, Varrious Booster Stations and Pumprooms in this scheme itemH909 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.9119999999999 Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice, triple function (ventilating, admitting and venting during operation) air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM /Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 years itemH913 IS 1865 and amended from time to time 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.9139999999999 Supply,delivery and fixing of 50 A to 75A directly operated bimetallic thermal over load relay which operates in case of over load and also in case of under voltage with manual and auto reset model. itemH915 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.9209999999999 Charges for removing the burnt power capacitor and labour charges for fixing the new KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials.. itemH922 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.9279999999999 Supply and delivery of electro magnetic contactors of suitable capacity in AC three phase 140 Amps rating conforming to IS / IEC 60947 itemH929 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.9349999999999 Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply. itemH936 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.9419999999999 Supply , delivery and fixing of 20 W 4 feet LED Fitting With LED itemH943 As per I.E Rules and Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.9489999999999 Supply , delivery and fixing of Street light 80W LED Focus Light Fitting with LED itemH950 As per I.E Rules and Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.95599999999989 Repair and Reconditioning of 5 HP Vaccum Pumpsets each itemH957 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.95899999999989 Kinathukadavu Booster Station itemH960 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.96399999999989 TRANSFORMER itemH965 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.96699999999989 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH968 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.96799999999989 7.00 LL capacity of Clear water Sumps itemH969 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.97299999999989 1.00 LL capacity of Clear water Sump itemH974 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.97499999999989 Cost of Chemicals itemH976 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.97599999999989 Supply and delivery of Alum (Sulphate of Alumino Ferric) required for Water Treatment Plants confirming to IS specification 299/1980 and as amended from time to time for delivery at anywhere in Coimbatore District including loading, freight, unloading, transit, insurance and all other incidental charges. itemH977 IS specification 299/1980 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.97999999999989 Supply and delivery of Liquid Chlorine as per IS Specification (with Chlorine 99.8%, Moisture, Na2O3, Hydrogen and Carbondioxide are to be nil) required for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges. itemH981 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.98399999999989 Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges. itemH985 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

Select, Excess (+), Less (-) Less (-)

Tender Inviting Authority: The Chief Engineer, TWAD Board, Coimbatore

Name of Work: Operation and maintenance of 5 Nos of CWSS under Maintenance Division (Siruvani) in Coimbatore and Tiruppur Districts including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package - 8

Contract No: 24 to 28/ O&M of CWSS to Coimbatore/SDO(T7)/CE/CBE/2025/ Dated. 17.12.2025

Name of the Bidder/ Bidding Firm / Company :

Sl. No. Description of Work Item Code / Make Probable quantity Figures Units Estimated Rate TNBP No. Other Specification Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency BASIC RATE In Figures To be entered by the Bidder Rs. P Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category TOTAL AMOUNT Without Taxes TOTAL AMOUNT With Taxes TOTAL AMOUNT In Words

0.000 Part :- 4 - Operation and Maintenance of AWSS to 114 Rural Habitations in 6 Village Panchayats of Karamadai Union in Coimbatore District including repairs, rectification works and supply of Chemicals for three years for the period from 01.04.2026 to 31.3.2029 (2026-2029). itemH1 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

0.000 Operation and Maintenance of CWSS itemH2 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure -I, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . itemH3 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 For a period from 01.04.2026 to 31.03.2027 itemH4 0.000 ML Excess(+) Full Conversion INR 1 ML (One Million Litres) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 For a period from 01.04.2026 to 31.03.2029 itemH7 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Leak & Burst itemH8 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH9 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending DI Pipe Lines - Leak Specials Cement Joint itemH10 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending DI Pipe Lines - Leak Single MJ Collar itemH15 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending DI Pipe Lines - Burst Pipr Replacement itemH20 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (GI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of GI Pipes, couplers, union, jointing materials and required specials, cutting, threading, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers itemH25 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending GI Pipe Lines GI Pipe - 1m Length itemH26 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Head works at Moolayur itemH29 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending rewinding and replacement of bearings of indution motor for Vertical turbine Pumpset itemH30 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc., complete and as directed by the departmental officers. itemH31 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges etc., complete and as directed by the departmental officers. itemH33 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Labour Charges for removing the two end side cover with fan arrangements and Dismantling the damaged NDE Side ball Bearing from the motor after removing the Rachet assembly load bearing safely and Fixing the New ball Bearing in the appropriate place with required lubricants without any damage to the motor shaft and winding after deducting the old damaged materials etc., complete and as directed by the departmental officers. itemH35 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including supply and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor etc., complete and as directed by the departmental officers. itemH37 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc., complete and as directed by the departmental officers. itemH39 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor etc., complete and as directed by the departmental officers. itemH41 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by the departmental officers. itemH43 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transportation charges for conveying the motor from work shop to pumping Station etc., complete and as directed by the departmental officers. itemH45 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc., complete and as directed by the departmental officers itemH47 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH49 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete and as directed by TWAD Board officers. itemH50 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc., Complete and as directed by TWAD Board officers. itemH52 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly and as directed by the departmental officers. itemH54 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH56 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining, Polishing and as directed by the departmental officers. itemH58 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH60 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers and as directed by the departmental officers. itemH62 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH64 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH66 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 100HP(3552 lpm x 92 m) for Raw water Pump at Moolaiyur. itemH67 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and delivery of MS Seamless required size of Column pipe suitable for the VT Pumpset and as directed by the departmental officers. itemH68 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers. itemH70 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Supply and delivery of new intermediate ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH72 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers. itemH74 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components etc., complete as directed by TWAD officers. itemH76 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered.Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%,housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc and as directed by TWAD Board Officers. itemH84 IS 8544 Part IV and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Clear water at Kovilmedu itemH86 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) etc, Complete and as directed by the departmental officers. itemH87 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc, Complete and as directed by the departmental officers. itemH88 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges etc, Complete and as directed by the departmental officers. itemH90 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH92 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH94 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc, Complete and as directed by the departmental officers. itemH96 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motoretc, Complete and as directed by the departmental officers. itemH98 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools &Materialsetc, Complete and as directed by the departmental officers. itemH100 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Transportation charges for conveying the motor from work shop to Pumping Stationetc, Complete and as directed by the departmental officers. itemH102 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc, Complete and as directed by the departmental officers. itemH104 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending the Repair and Replacement of bearings in various HSC Pump itemH106 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials and as directed by the departmental officers. itemH107 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers. itemH109 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH111 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and as directed by the departmental officers. itemH113 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials and as directed by the departmental officers. itemH115 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine and as directed by the departmental officers. itemH117 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers. itemH119 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH121 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials and as directed by the departmental officers. itemH123 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH125 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running and as directed by the departmental officers. itemH127 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending the Repair and Renewal works in Submersible Pumpsetetc, complete and as directed by the departmental officers. itemH129 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittingsetc, complete and as directed by the departmental officers. itemH130 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 10HP- Open well submersible Pumpset for Wash water pumpset at Kovilmedu itemH131 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transporting the pumpset from Pump House to work shopetc, complete and as directed by the departmental officers. itemH133 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materialsetc, complete and as directed by the departmental officers. itemH136 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc, complete and as directed by the departmental officers. itemH139 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material etc, complete and as directed by the departmental officers itemH142 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair worksetc, complete and as directed by the departmental officers. itemH145 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping etc, complete and as directed by the departmental officers. itemH148 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered.Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%,housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc..and as directed by TWAD Board Officers. itemH156 IS 8544 Part IV and as amended from time to time 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH158 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works itemH160 As Per I.E Rules and Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Supply and delivery of Star-Delta starter confirming to IS 13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/ Three Phase/50HZ (+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 nos., CT operated Ammeter (65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector switch, Miniature circuit breaker, Thermal Overload relay, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 sq. mm copper pvc insulated cable, powder coated vermin proof box, including the capacitor (the cost of capacitor is to be taken separately).PNo:138/ and as directed by TWAD Board Officers. itemH163 IS 13947, IEC60947-1 and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Desilting light or sandysoil or silt from collection well and baby well below water level including the charges for special tools & plants and air compressor etc complete and as directed by TWAD Board Officers. itemH165 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163 - 89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years and as directed by TWAD Board Officers. itemH167 BS 5163 - 89/ISI 14846-2000/DIN 3202 F4 and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice, triple function (ventilating, admitting and venting during operation) air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 yearsand as directed by TWAD Board Officers. itemH173 IS 1865 and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Manufacture, supply and delivery of DI D/F Slanted seat Tilting Disk Check Valve (Non Return Valve) Manufacture, supply and delivery of DI D/F Slanted in single piece body and closed eye disc construction. Hemispherical disc with 59 degree inclination for fast open and closing. Corrosion proof and wear resistent(triple offset) discface & body seat face, both made of fusion bonded Nickel Chromium weld overlay and microfinished. Body and disc of ductile cast iron GGG-40 or GGG-50, medium free (dry) shafts of stainless steel and bearings of Zinc-free Bronze, Valve should have provision for internal damping unit for reducing the effects of water hammer/surge, if required at later stage. Electrostatic epoxy powder/liquid coating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 150 microns. The EPDM rubber & Epoxy Powder should be approved by W 270.(EP-P it is a resi-coat powder approved for drinking water application, applied through fusion bonding technology process by dipping the shot-blasted casted components heated upto 200deg C). Face to face dimensions as per EN 558-1 series 14 and flange connections as per EN 1092-2/IS and with 5 years and as directed by TWAD Board Officers. itemH176 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Jointing the CI/D.I Double flanged pipes and specials with rubber insertion to with IS 638 (1979) and M.S. bolts and nuts of IS1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc., complete and as directed by TWAD Board Officers. itemH179 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Sluice Valve itemH180 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Non Return Valve itemH187 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 For a period from 01.04.2027 to 31.03.2028 itemH193 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Leak & Burst itemH194 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH195 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending DI Pipe Lines - Leak Specials Cement Joint itemH196 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 100mm OD DI pipes itemH197 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending DI Pipe Lines - Leak Single MJ Collar itemH201 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending DI Pipe Lines - Burst Pipr Replacement itemH206 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (GI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of GI Pipes, couplers, union, jointing materials and required specials, cutting, threading, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers itemH211 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending GI Pipe Lines GI Pipe - 1m Length itemH212 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Head works at Moolayur itemH215 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending rewinding and replacement of bearings of indution motor for Vertical turbine Pumpset itemH216 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc., complete and as directed by the departmental officers. itemH217 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges etc., complete and as directed by the departmental officers. itemH219 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Labour Charges for removing the two end side cover with fan arrangements and Dismantling the damaged NDE Side ball Bearing from the motor after removing the Rachet assembly load bearing safely and Fixing the New ball Bearing in the appropriate place with required lubricants without any damage to the motor shaft and winding after deducting the old damaged materials etc., complete and as directed by the departmental officers. itemH221 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including supply and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor etc., complete and as directed by the departmental officers. itemH223 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc., complete and as directed by the departmental officers. itemH225 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor etc., complete and as directed by the departmental officers. itemH227 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by the departmental officers. itemH229 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the motor from work shop to pumping Station etc., complete and as directed by the departmental officers. itemH231 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc., complete and as directed by the departmental officers itemH233 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH235 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete and as directed by TWAD Board officers. itemH236 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc., Complete and as directed by TWAD Board officers. itemH238 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly and as directed by the departmental officers. itemH240 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH242 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining, Polishing and as directed by the departmental officers. itemH244 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH246 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers and as directed by the departmental officers. itemH248 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH250 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH252 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of MS Seamless required size of Column pipe suitable for the VT Pumpset and as directed by the departmental officers. itemH254 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers. itemH256 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply and delivery of new intermediate ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH258 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 100HP(3552 lpm x 92 m) for Raw water Pump at Moolaiyur. itemH259 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers. itemH260 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components etc., complete as directed by TWAD officers. itemH262 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered.Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%,housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc and as directed by TWAD Board Officers. itemH270 IS 8544 Part IV and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Clear water at Kovilmedu itemH272 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) etc, Complete and as directed by the departmental officers. itemH273 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc, Complete and as directed by the departmental officers. itemH274 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges etc, Complete and as directed by the departmental officers. itemH276 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH278 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH280 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc, Complete and as directed by the departmental officers. itemH282 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motoretc, Complete and as directed by the departmental officers. itemH284 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools &Materialsetc, Complete and as directed by the departmental officers. itemH286 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transportation charges for conveying the motor from work shop to Pumping Stationetc, Complete and as directed by the departmental officers. itemH288 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc, Complete and as directed by the departmental officers. itemH290 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending the Repair and Replacement of bearings in various HSC Pump itemH292 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials and as directed by the departmental officers. itemH293 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers. itemH295 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH297 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and as directed by the departmental officers. itemH299 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials and as directed by the departmental officers. itemH301 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine and as directed by the departmental officers. itemH303 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers. itemH305 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH307 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials and as directed by the departmental officers. itemH309 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH311 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running and as directed by the departmental officers. itemH313 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending the Repair and Renewal works in Submersible Pumpsetetc, complete and as directed by the departmental officers. itemH315 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittingsetc, complete and as directed by the departmental officers. itemH316 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Transporting the pumpset from Pump House to work shopetc, complete and as directed by the departmental officers. itemH319 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materialsetc, complete and as directed by the departmental officers. itemH322 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 10HP- Open well submersible Pumpset for Wash water pumpset at Kovilmedu itemH323 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc, complete and as directed by the departmental officers. itemH325 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material etc, complete and as directed by the departmental officers itemH328 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair worksetc, complete and as directed by the departmental officers. itemH331 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping etc, complete and as directed by the departmental officers. itemH334 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered.Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%,housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc..and as directed by TWAD Board Officers. itemH342 IS 8544 Part IV and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH344 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works itemH346 As Per I.E Rules and Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of Star-Delta starter confirming to IS 13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/ Three Phase/50HZ (+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 nos., CT operated Ammeter (65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector switch, Miniature circuit breaker, Thermal Overload relay, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 sq. mm copper pvc insulated cable, powder coated vermin proof box, including the capacitor (the cost of capacitor is to be taken separately).PNo:138/ and as directed by TWAD Board Officers. itemH349 IS 13947, IEC60947-1 and as amended from time to time 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Desilting light or sandysoil or silt from collection well and baby well below water level including the charges for special tools & plants and air compressor etc complete and as directed by TWAD Board Officers. itemH351 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163 - 89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years and as directed by TWAD Board Officers. itemH353 BS 5163 - 89/ISI 14846-2000/DIN 3202 F4 and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice, triple function (ventilating, admitting and venting during operation) air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM /Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 yearsand as directed by TWAD Board Officers. itemH359 IS 1865 and as amended from time to time 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Manufacture, supply and delivery of DI D/F Slanted seat Tilting Disk Check Valve (Non Return Valve) Manufacture, supply and delivery of DI D/F Slanted in single piece body and closed eye disc construction. Hemispherical disc with 59 degree inclination for fast open and closing. Corrosion proof and wear resistent(triple offset) discface & body seat face, both made of fusion bonded Nickel Chromium weld overlay and microfinished. Body and disc of ductile cast iron GGG-40 or GGG-50, medium free (dry) shafts of stainless steel and bearings of Zinc-free Bronze, Valve should have provision for internal damping unit for reducing the effects of water hammer/surge, if required at later stage. Electrostatic epoxy powder/liquid coating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 150 microns. The EPDM rubber & Epoxy Powder should be approved by W 270.(EP-P it is a resi-coat powder approved for drinking water application, applied through fusion bonding technology process by dipping the shot-blasted casted components heated upto 200deg C). Face to face dimensions as per EN 558-1 series 14 and flange connections as per EN 1092-2/IS and with 5 years and as directed by TWAD Board Officers. itemH362 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Jointing the CI/D.I Double flanged pipes and specials with rubber insertion to with IS 638 (1979) and M.S. bolts and nuts of IS1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc., complete and as directed by TWAD Board Officers. itemH365 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Sluice Valve itemH366 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Air Valve itemH370 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Non Return Valve itemH373 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 For a period from 01.04.2028 to 31.03.2029 itemH379 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Leak & Burst itemH380 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH381 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending DI Pipe Lines - Leak Specials Cement Joint itemH382 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 300 mm OD DI pipes itemH386 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending DI Pipe Lines - Leak Single MJ Collar itemH387 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending DI Pipe Lines - Burst Pipr Replacement itemH392 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (GI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of GI Pipes, couplers, union, jointing materials and required specials, cutting, threading, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers itemH397 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending GI Pipe Lines GI Pipe - 1m Length itemH398 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Head works at Moolayur itemH401 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Attending rewinding and replacement of bearings of indution motor for Vertical turbine Pumpset itemH402 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc., complete and as directed by the departmental officers. itemH403 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges etc., complete and as directed by the departmental officers. itemH405 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Labour Charges for removing the two end side cover with fan arrangements and Dismantling the damaged NDE Side ball Bearing from the motor after removing the Rachet assembly load bearing safely and Fixing the New ball Bearing in the appropriate place with required lubricants without any damage to the motor shaft and winding after deducting the old damaged materials etc., complete and as directed by the departmental officers. itemH407 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including supply and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor etc., complete and as directed by the departmental officers. itemH409 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc., complete and as directed by the departmental officers. itemH411 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor etc., complete and as directed by the departmental officers. itemH413 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by the departmental officers. itemH415 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transportation charges for conveying the motor from work shop to pumping Station etc., complete and as directed by the departmental officers. itemH417 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc., complete and as directed by the departmental officers itemH419 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH421 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete and as directed by TWAD Board officers. itemH422 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc., Complete and as directed by TWAD Board officers. itemH424 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly and as directed by the departmental officers. itemH426 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH428 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining, Polishing and as directed by the departmental officers. itemH430 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH432 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers and as directed by the departmental officers. itemH434 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH436 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH438 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and delivery of MS Seamless required size of Column pipe suitable for the VT Pumpset and as directed by the departmental officers. itemH440 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers. itemH442 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of new intermediate ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH444 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers. itemH446 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components etc., complete as directed by TWAD officers. itemH448 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered.Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%,housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc and as directed by TWAD Board Officers. itemH456 IS 8544 Part IV and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Clear water at Kovilmedu itemH458 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor) etc, Complete and as directed by the departmental officers. itemH459 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc, Complete and as directed by the departmental officers. itemH460 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges etc, Complete and as directed by the departmental officers. itemH462 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH464 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH466 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc, Complete and as directed by the departmental officers. itemH468 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motoretc, Complete and as directed by the departmental officers. itemH470 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools &Materialsetc, Complete and as directed by the departmental officers. itemH472 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Transportation charges for conveying the motor from work shop to Pumping Stationetc, Complete and as directed by the departmental officers. itemH474 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc, Complete and as directed by the departmental officers. itemH476 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending the Repair and Replacement of bearings in various HSC Pump itemH478 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials and as directed by the departmental officers. itemH479 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers. itemH481 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH483 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and as directed by the departmental officers. itemH485 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials and as directed by the departmental officers. itemH487 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine and as directed by the departmental officers. itemH489 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers. itemH491 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH493 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials and as directed by the departmental officers. itemH495 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH497 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running and as directed by the departmental officers. itemH499 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending the Repair and Renewal works in Submersible Pumpsetetc, complete and as directed by the departmental officers. itemH501 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittingsetc, complete and as directed by the departmental officers. itemH502 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transporting the pumpset from Pump House to work shopetc, complete and as directed by the departmental officers. itemH505 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materialsetc, complete and as directed by the departmental officers. itemH508 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc, complete and as directed by the departmental officers. itemH511 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material etc, complete and as directed by the departmental officers itemH514 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair worksetc, complete and as directed by the departmental officers. itemH517 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping etc, complete and as directed by the departmental officers. itemH520 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered.Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%,housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc..and as directed by TWAD Board Officers. itemH528 IS 8544 Part IV and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH530 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works itemH532 As Per I.E Rules and Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Supply and delivery of Star-Delta starter confirming to IS 13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/ Three Phase/50HZ (+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 nos., CT operated Ammeter (65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector switch, Miniature circuit breaker, Thermal Overload relay, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 sq. mm copper pvc insulated cable, powder coated vermin proof box, including the capacitor (the cost of capacitor is to be taken separately).PNo:138/ and as directed by TWAD Board Officers. itemH535 IS 13947, IEC60947-1 and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Desilting light or sandysoil or silt from collection well and baby well below water level including the charges for special tools & plants and air compressor etc complete and as directed by TWAD Board Officers. itemH537 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163 - 89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years and as directed by TWAD Board Officers. itemH539 BS 5163 - 89/ISI 14846-2000/DIN 3202 F4 and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice, triple function (ventilating, admitting and venting during operation) air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM /Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 yearsand as directed by TWAD Board Officers. itemH545 IS 1865 and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Manufacture, supply and delivery of DI D/F Slanted seat Tilting Disk Check Valve (Non Return Valve) Manufacture, supply and delivery of DI D/F Slanted in single piece body and closed eye disc construction. Hemispherical disc with 59 degree inclination for fast open and closing. Corrosion proof and wear resistent(triple offset) discface & body seat face, both made of fusion bonded Nickel Chromium weld overlay and microfinished. Body and disc of ductile cast iron GGG-40 or GGG-50, medium free (dry) shafts of stainless steel and bearings of Zinc-free Bronze, Valve should have provision for internal damping unit for reducing the effects of water hammer/surge, if required at later stage. Electrostatic epoxy powder/liquid coating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 150 microns. The EPDM rubber & Epoxy Powder should be approved by W 270.(EP-P it is a resi-coat powder approved for drinking water application, applied through fusion bonding technology process by dipping the shot-blasted casted components heated upto 200deg C). Face to face dimensions as per EN 558-1 series 14 and flange connections as per EN 1092-2/IS and with 5 years and as directed by TWAD Board Officers. itemH548 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Jointing the CI/D.I Double flanged pipes and specials with rubber insertion to with IS 638 (1979) and M.S. bolts and nuts of IS1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc., complete and as directed by TWAD Board Officers. itemH551 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Sluice Valve itemH552 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Air Valve itemH556 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Non Return Valve itemH559 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Cost of Chemicals itemH565 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of Alum (Sulphate of Alumino Ferric) required for Water Treatment Plants confirming to IS specification 299/1980 and as amended from time to time for delivery at anywhere in Coimbatore District including loading, freight, unloading, transit, insurance and all other incidental charges. itemH566 IS specification 299/1980 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Supply and delivery of Liquid Chlorine as per IS Specification (with Chlorine 99.8%, Moisture, Na2O3, Hydrogen and Carbondioxide are to be nil) required for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges. itemH570 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges. itemH574 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

Select, Excess (+), Less (-) Less (-)

Tender Inviting Authority: The Chief Engineer, TWAD Board, Coimbatore

Name of Work: Operation and maintenance of 5 Nos of CWSS under Maintenance Division (Siruvani) in Coimbatore and Tiruppur Districts including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package - 8

Contract No: 24 to 28/ O&M of CWSS to Coimbatore/SDO(T7)/CE/CBE/2025/ Dated. 17.12.2025

Name of the Bidder/ Bidding Firm / Company :

Sl. No. Description of Work Item Code / Make Probable quantity Figures Units Estimated Rate TNBP No. Other Specification Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency BASIC RATE In Figures To be entered by the Bidder Rs. P Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category TOTAL AMOUNT Without Taxes TOTAL AMOUNT With Taxes TOTAL AMOUNT In Words

0.000 Part :- 5 - Operation and Maintenance of CWSIS to Tiruppur Corporation, 15 Velamapalayam and Nallur Municipalities, Annur, Avinashi and Thirumuranpoondi Town Panchayats and 362 Rural Habitations (76 in Karamadai, 82 in Annur, 93 in Avinashi, 105 in Tiruppur and 6 in Uthukuli Unions) in Coimbatore and Tiruppur Districts including repairs, rectification works and supply of Chemicals for three years for the period from 01.04.2026 to 31.3.2029 (2026-2029). itemH1 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

0.000 Operation and Maintenance of CWSS itemH2 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure -I, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . itemH3 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 For a period from 01.04.2026 to 31.03.2027 itemH4 0.999 ML Excess(+) Full Conversion INR 1 ML (One Million Litres) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 For a period from 01.04.2026 to 31.03.2027 itemH7 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Leak & Burst itemH8 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PVC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of PVC Pipes, couplers, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH9 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending PVC Pipe Lines - Leak PVC itemH10 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Leak PVC itemH11 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Burst PVC itemH19 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (HDPE pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe including supply and delivery of HDPE Pipes, couplers jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH27 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Leak - HDPE Fusion Joint itemH28 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Burst - HDPE itemH31 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (AC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH34 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 AC Pipe Coupler Leak itemH35 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 AC Pipe Coupler Burst using MS Plain Coller itemH43 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH51 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 PSC Cement Joint Leak itemH52 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Using MS Barrel Pipe itemH56 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH60 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Leak_Specials Cement Joint itemH61 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 300mm DI pipes itemH66 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Burst pipe Replacement itemH70 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (MS pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of MS Pipes, MS specials without inside lining and outside coating but with anti-rust painting, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers itemH79 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending MS Pipe Lines MS Plate in MS Pipe itemH80 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending the Repair and Renewal works in Submersible Pumpset etc, complete and as directed by the departmental officers. itemH82 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings etc, complete and as directed by the departmental itemH83 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Transporting the pumpset from Pump House to work shop etc, complete and as directed by the departmental officers. itemH90 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials etc, complete and as directed by the departmental officers. itemH97 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc, complete and as directed by the departmental officers. itemH104 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material etc, complete and as directed by the departmental officers. itemH111 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc, complete and as directed by the departmental officers. itemH118 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping etc, complete and as directed by the departmental officers. itemH125 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Tapping Point 10 at Chandrapuram 35 HP itemH130 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor)etc, Complete and as directed by the departmental officers. itemH132 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc, Complete and as directed by the departmental officers. itemH133 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges etc, Complete and as directed by the departmental officers. itemH138 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH143 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH148 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc, Complete and as directed by the departmental officers. itemH153 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor etc, Complete and as directed by the departmental officers. itemH158 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools &Materialsetc, Complete and as directed by the departmental officers. itemH163 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transportation charges for conveying the motor from work shop to Pumping Stationetc, Complete and as directed by the departmental officers. itemH168 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc, Complete and as directed by the departmental officers. itemH173 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Attending the Repair and Replacement of bearings in various HSC Pump itemH178 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials and as directed by the departmental officers. itemH179 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers. itemH184 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH189 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and as directed by the departmental officers. itemH194 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Pumpsets at Clear Water (420 HP) itemH195 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials and as directed by the departmental officers. itemH199 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine and as directed by the departmental officers. itemH204 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers itemH209 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH214 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials and as directed by the departmental officers. itemH219 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH224 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running and as directed by the departmental officers. itemH229 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH234 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc complete and as directed by the departmental officers. itemH235 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges etc complete and as directed by the departmental officers. itemH238 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Labour Charges for removing the two end side cover with fan arrangements and Dismantling the damaged NDE Side ball Bearing from the motor after removing the Rachet assembly load bearing safely and Fixing the New ball Bearing in the appropriate place with required lubricants without any damage to the motor shaft and winding after deducting the old damaged materials etc complete and as directed by the departmental officers. itemH241 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor etc complete and as directed by the departmental officers. itemH244 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,complete and as directed by the departmental officers. itemH247 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor etc.,complete and as directed by the departmental officers. itemH250 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc.,complete and as directed by the departmental officers. itemH253 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transportation charges for conveying the motor from work shop to pumping Station etc.,complete and as directed by the departmental officers. itemH256 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Pumpsets at Raw Water 40 HP itemH258 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc., complete and as directed by the departmental officers. itemH259 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH262 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Charges for Removing the Hollow shaft Squirrel cage Induction Motor after disconnecting the Power supply Cable, Discharge Head, Head Shaft and Stuffing Box by using contractor tools at Collector Well / Collection Sump and as directed by the departmental officers. itemH263 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the all Column pipes of VT Pumpset each 1.5 m / 2.00 m to length and bowl assembly for attending Pump repair works and as directed by the departmental officers. itemH266 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Transportation charges for conveying the VT Pump bowl assembly from Collector Well Pump room to Work Shop including usage of trolley along the Foot bridge and Van and as directed by the departmental officers. itemH269 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transportation charges for conveying the VT Pump bowl assembly from Collector Well Pump room to Work Shop including usage of trolley along the Foot bridge and Van itemH272 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Charges for Lathe work of reconditioning of Pump SS Shaft with balancing, SS Bushes and sleeves, charges for Spider bore and outer dimension phase out lath works, reconditioning of impeller and impeller ring & charges fixing the bearing and bronze bushes in the bowl assembly including correct setting of impeller alignment and as directed by the departmental officers. itemH275 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the VT Pump bowl assembly from our work shop to Collector Well Pump room including usage of trolley along the Foot bridge and Van and as directed by the departmental officers. itemH278 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Charges for reassembling the all Column pipes of Turbine Pump set and bowl assemblly after attending Pump repair works in the proper allignment after attending the cleaning and painting work in the coloumn pipe and body of the bowl assembly and as directed by the departmental officers. itemH281 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Re errection of reconditioned stuffing box, new Head shaft, Discharge head and Motor, fixing the Rachet load bearing assembly including filling of required 90 grade oil and Connecting the 440V AC incoming Cable to the Motor Terminal and fixing new rope in the rope gland and Checking Motor Pumpset Alignment and Rotation and testing with load and as directed by the departmental officers. itemH284 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH287 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) itemH288 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) itemH291 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly and as directed by the departmental officers. itemH294 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH297 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete and as Directed by TWAD Board Officers. itemH300 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for In place of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH303 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH306 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH309 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH312 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset itemH315 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers itemH318 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH321 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Pumpsets at Raw Water 250 HP itemH322 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers itemH324 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components and as directed by TWAD board officers. itemH327 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Attending the Repair works in Three Phase star Delta Starters itemH330 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for Removal of unserviceable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter and as directed by TWAD board officers. itemH331 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials and as directed by TWAD board officers itemH334 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and Delivery of PLA Safety Relay suitable for the starterand as directed by TWAD board officers. itemH337 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter and as directed by TWAD Board officers itemH340 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and Delivery and fixing of required capacity Over load relay suitable for the starter andas directed by TWAD Board officers itemH343 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc complete and as directed by TWAD Board officers. itemH346 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter and as directed by TWAD Board Officers. itemH349 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply,delivery and fixing of 50 A to 75A directly operated bimetallic thermal over load relay which operates in case of over load and also in case of under voltage with manual and auto reset model itemH352 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the burnt power capacitor and labour charges for fixing the new KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials.. itemH357 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply and delivery of electro magnetic contactors of suitable capacity in AC three phase 140 Amps rating conforming to IS / IEC 60947 itemH362 IS / IEC 60947 and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply. itemH367 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply, delivery and fixing of 20 W 4 feet LED Fitting With LED itemH374 As Per I.E Rules and Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply, delivery and fixing of Street light 80W LED Focus Light Fitting with LED itemH381 As Per I.E Rules and Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Pandian Nagar Booster Station itemH386 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for Oil filtration of transformer and Material cost with accessories and etc., complete. The following works carried out and verified as per IE Rule. 1. Removal of sludge and dirt from the transformer oil 2. Top up the new transformer oil (minimum 100ltr) with specification as per IE rule up to oil level as per IE rule. 3. Replace the existing lighting arrester with new one. 4. Replacing of new silica gel with filling of oil suitable for transformer including cost of materials as per IE rule. 5. Testing of transformer oil insulation and acidity testing etc., including oil filtration circulated to withstand BDV 50 KV/minute 6. Testing of no load and load condition as per IE rule. 7. Testing and calibration of earth fault relay. 8. Testing of earth electrode. 9. Fault rectification accessories. 10.Painting of transformer & Yard with neccessary repair & Rejuvenation works as per IE rule. 11.Providing sticker for "DANGER" 12. Replace the damged transformer core cable with new one and ensure the crimping. 13. Replace the fault Thermometer with new one. 14. Replace the existing bushing, cooling tube with new one. 15.Replace the existing of Buchholz relay with new one. 16. Confirm all Tap leads and connection in good / working condition as per IE rule. itemH390 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH393 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 For a period from 01.04.2027 to 31.03.2028 itemH401 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Leak & Burst itemH402 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PVC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of PVC Pipes, couplers, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH403 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Attending PVC Pipe Lines - Leak PVC itemH404 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Leak PVC itemH405 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Burst PVC itemH413 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (HDPE pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe including supply and delivery of HDPE Pipes, couplers jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH421 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Leak - HDPE Fusion Joint itemH422 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Burst - HDPE itemH425 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (AC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH428 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 AC Pipe Coupler Leak itemH429 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 AC Pipe Coupler Burst using MS Plain Coller itemH437 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH445 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 PSC Cement Joint Leak itemH446 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Using MS Barrel Pipe itemH450 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 450mm PSC pipes itemH451 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH454 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Leak_Specials Cement Joint itemH455 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Burst pipe Replacement itemH464 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (MS pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of MS Pipes, MS specials without inside lining and outside coating but with anti-rust painting, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers itemH473 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending MS Pipe Lines MS Plate in MS Pipe itemH474 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending the Repair and Renewal works in Submersible Pumpset etc, complete and as directed by the departmental officers. itemH476 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings etc, complete and as directed by the departmental itemH477 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Transporting the pumpset from Pump House to work shop etc, complete and as directed by the departmental officers. itemH484 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials etc, complete and as directed by the departmental officers. itemH491 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc, complete and as directed by the departmental officers. itemH498 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material etc, complete and as directed by the departmental officers. itemH505 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc, complete and as directed by the departmental officers. itemH512 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Tapping Point 5 at Pandian Nagar 25 HP itemH514 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping etc, complete and as directed by the departmental officers. itemH519 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor)etc, Complete and as directed by the departmental officers. itemH526 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc, Complete and as directed by the departmental officers. itemH527 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges etc, Complete and as directed by the departmental officers. itemH532 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH537 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH542 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc, Complete and as directed by the departmental officers. itemH547 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor etc, Complete and as directed by the departmental officers. itemH552 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools &Materialsetc, Complete and as directed by the departmental officers. itemH557 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Transportation charges for conveying the motor from work shop to Pumping Stationetc, Complete and as directed by the departmental officers. itemH562 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc, Complete and as directed by the departmental officers. itemH567 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Attending the Repair and Replacement of bearings in various HSC Pump itemH572 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials and as directed by the departmental officers. itemH573 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers. itemH578 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Pumpsets at Clear Water (420 HP) itemH579 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH583 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and as directed by the departmental officers. itemH588 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials and as directed by the departmental officers. itemH593 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine and as directed by the departmental officers. itemH598 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers itemH603 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH608 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials and as directed by the departmental officers. itemH613 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH618 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running and as directed by the departmental officers. itemH623 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH628 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc complete and as directed by the departmental officers. itemH629 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges etc complete and as directed by the departmental officers. itemH632 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Labour Charges for removing the two end side cover with fan arrangements and Dismantling the damaged NDE Side ball Bearing from the motor after removing the Rachet assembly load bearing safely and Fixing the New ball Bearing in the appropriate place with required lubricants without any damage to the motor shaft and winding after deducting the old damaged materials etc complete and as directed by the departmental officers. itemH635 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor etc complete and as directed by the departmental officers. itemH638 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,complete and as directed by the departmental officers. itemH641 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Pumpsets at Raw Water 250 HP itemH642 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor etc.,complete and as directed by the departmental officers. itemH644 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc.,complete and as directed by the departmental officers. itemH647 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the motor from work shop to pumping Station etc.,complete and as directed by the departmental officers. itemH650 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc., complete and as directed by the departmental officers. itemH653 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH656 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Charges for Removing the Hollow shaft Squirrel cage Induction Motor after disconnecting the Power supply Cable, Discharge Head, Head Shaft and Stuffing Box by using contractor tools at Collector Well / Collection Sump and as directed by the departmental officers. itemH657 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the all Column pipes of VT Pumpset each 1.5 m / 2.00 m to length and bowl assembly for attending Pump repair works and as directed by the departmental officers. itemH660 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Transportation charges for conveying the VT Pump bowl assembly from Collector Well Pump room to Work Shop including usage of trolley along the Foot bridge and Van and as directed by the departmental officers. itemH663 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the VT Pump bowl assembly from Collector Well Pump room to Work Shop including usage of trolley along the Foot bridge and Van itemH666 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Charges for Lathe work of reconditioning of Pump SS Shaft with balancing, SS Bushes and sleeves, charges for Spider bore and outer dimension phase out lath works, reconditioning of impeller and impeller ring & charges fixing the bearing and bronze bushes in the bowl assembly including correct setting of impeller alignment and as directed by the departmental officers. itemH669 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the VT Pump bowl assembly from our work shop to Collector Well Pump room including usage of trolley along the Foot bridge and Van and as directed by the departmental officers. itemH672 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Charges for reassembling the all Column pipes of Turbine Pump set and bowl assemblly after attending Pump repair works in the proper allignment after attending the cleaning and painting work in the coloumn pipe and body of the bowl assembly and as directed by the departmental officers. itemH675 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Re errection of reconditioned stuffing box, new Head shaft, Discharge head and Motor, fixing the Rachet load bearing assembly including filling of required 90 grade oil and Connecting the 440V AC incoming Cable to the Motor Terminal and fixing new rope in the rope gland and Checking Motor Pumpset Alignment and Rotation and testing with load and as directed by the departmental officers. itemH678 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH681 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) itemH682 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) itemH685 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly and as directed by the departmental officers. itemH688 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH691 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete and as Directed by TWAD Board Officers. itemH694 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for In place of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH697 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH700 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH703 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Pumpsets at Raw Water 40 HP itemH705 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH706 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset itemH709 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers itemH712 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH715 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers itemH718 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components and as directed by TWAD board officers. itemH721 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Attending the Repair works in Three Phase star Delta Starters itemH724 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for Removal of unserviceable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter and as directed by TWAD board officers. itemH725 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials and as directed by TWAD board officers itemH728 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of PLA Safety Relay suitable for the starterand as directed by TWAD board officers. itemH731 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter and as directed by TWAD Board officers itemH734 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and Delivery and fixing of required capacity Over load relay suitable for the starter andas directed by TWAD Board officers itemH737 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc complete and as directed by TWAD Board officers. itemH740 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter and as directed by TWAD Board Officers. itemH743 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply,delivery and fixing of 50 A to 75A directly operated bimetallic thermal over load relay which operates in case of over load and also in case of under voltage with manual and auto reset model itemH746 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the burnt power capacitor and labour charges for fixing the new KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials.. itemH751 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of electro magnetic contactors of suitable capacity in AC three phase 140 Amps rating conforming to IS / IEC 60947 itemH756 IS / IEC 60947 and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply. itemH761 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply, delivery and fixing of 20 W 4 feet LED Fitting With LED itemH768 As Per I.E Rules and Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Head works at Mettupalayam itemH769 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply, delivery and fixing of Street light 80W LED Focus Light Fitting with LED itemH775 As Per I.E Rules and Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Charges for Oil filtration of transformer and Material cost with accessories and etc., complete. The following works carried out and verified as per IE Rule. 1. Removal of sludge and dirt from the transformer oil 2. Top up the new transformer oil (minimum 100ltr) with specification as per IE rule up to oil level as per IE rule. 3. Replace the existing lighting arrester with new one. 4. Replacing of new silica gel with filling of oil suitable for transformer including cost of materials as per IE rule. 5. Testing of transformer oil insulation and acidity testing etc., including oil filtration circulated to withstand BDV 50 KV/minute 6. Testing of no load and load condition as per IE rule. 7. Testing and calibration of earth fault relay. 8. Testing of earth electrode. 9. Fault rectification accessories. 10.Painting of transformer & Yard with neccessary repair & Rejuvenation works as per IE rule. 11.Providing sticker for "DANGER" 12. Replace the damged transformer core cable with new one and ensure the crimping. 13. Replace the fault Thermometer with new one. 14. Replace the existing bushing, cooling tube with new one. 15.Replace the existing of Buchholz relay with new one. 16. Confirm all Tap leads and connection in good / working condition as per IE rule. itemH784 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH787 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 For a period from 01.04.2028 to 31.03.2029 itemH795 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Leak & Burst itemH796 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PVC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of PVC Pipes, couplers, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH797 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Attending PVC Pipe Lines - Leak PVC itemH798 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Leak PVC itemH799 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Burst PVC itemH807 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (HDPE pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe including supply and delivery of HDPE Pipes, couplers jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH815 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Leak - HDPE Fusion Joint itemH816 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Burst - HDPE itemH819 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (AC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH822 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 AC Pipe Coupler Leak itemH823 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 AC Pipe Coupler Burst using MS Plain Coller itemH831 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 150mm AC pipes itemH833 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (PSC pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound socket and spigot machine end MS fittings including supply and delivery rolling, cutting, welding, turning, facing, grinding, jointing materials and required specials, conveying, laying, jointing and cost of refilling and all incidental charges etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH839 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 PSC Cement Joint Leak itemH840 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Using MS Barrel Pipe itemH844 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (DI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound D.I pipe including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH848 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Leak_Specials Cement Joint itemH849 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Burst pipe Replacement itemH858 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (MS pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound pipe, including supply and delivery of MS Pipes, MS specials without inside lining and outside coating but with anti-rust painting, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers itemH867 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending MS Pipe Lines MS Plate in MS Pipe itemH868 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Attending the Repair and Renewal works in Submersible Pumpset etc, complete and as directed by the departmental officers. itemH870 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings etc, complete and as directed by the departmental itemH871 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transporting the pumpset from Pump House to work shop etc, complete and as directed by the departmental officers. itemH878 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials etc, complete and as directed by the departmental officers. itemH885 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc, complete and as directed by the departmental officers. itemH892 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Tapping Point 10 at Chandrapuram 35 HP itemH897 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material etc, complete and as directed by the departmental officers. itemH899 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc, complete and as directed by the departmental officers. itemH906 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping etc, complete and as directed by the departmental officers. itemH913 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset (Various HSC Motor)etc, Complete and as directed by the departmental officers. itemH920 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc, Complete and as directed by the departmental officers. itemH921 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges etc, Complete and as directed by the departmental officers. itemH926 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH931 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motoretc, Complete and as directed by the departmental officers. itemH936 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking etc, Complete and as directed by the departmental officers. itemH941 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor etc, Complete and as directed by the departmental officers. itemH946 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools &Materialsetc, Complete and as directed by the departmental officers. itemH951 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the motor from work shop to Pumping Stationetc, Complete and as directed by the departmental officers. itemH956 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Pumpsets at Pogalur BS(708 PAC-I) (65 HP) itemH960 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc, Complete and as directed by the departmental officers. itemH961 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending the Repair and Replacement of bearings in various HSC Pump itemH966 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials and as directed by the departmental officers. itemH967 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers. itemH972 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH977 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and as directed by the departmental officers. itemH982 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials and as directed by the departmental officers. itemH987 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine and as directed by the departmental officers. itemH992 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials and as directed by the departmental officers itemH997 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH1002 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials and as directed by the departmental officers. itemH1007 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH1012 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running and as directed by the departmental officers. itemH1017 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH1022 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials etc complete and as directed by the departmental officers. itemH1023 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Pumpsets at Raw Water 250 HP itemH1024 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges etc complete and as directed by the departmental officers. itemH1026 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Labour Charges for removing the two end side cover with fan arrangements and Dismantling the damaged NDE Side ball Bearing from the motor after removing the Rachet assembly load bearing safely and Fixing the New ball Bearing in the appropriate place with required lubricants without any damage to the motor shaft and winding after deducting the old damaged materials etc complete and as directed by the departmental officers. itemH1029 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor etc complete and as directed by the departmental officers. itemH1032 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,complete and as directed by the departmental officers. itemH1035 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor etc.,complete and as directed by the departmental officers. itemH1038 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc.,complete and as directed by the departmental officers. itemH1041 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the motor from work shop to pumping Station etc.,complete and as directed by the departmental officers. itemH1044 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc., complete and as directed by the departmental officers. itemH1047 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH1050 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for Removing the Hollow shaft Squirrel cage Induction Motor after disconnecting the Power supply Cable, Discharge Head, Head Shaft and Stuffing Box by using contractor tools at Collector Well / Collection Sump and as directed by the departmental officers. itemH1051 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for removing the all Column pipes of VT Pumpset each 1.5 m / 2.00 m to length and bowl assembly for attending Pump repair works and as directed by the departmental officers. itemH1054 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Transportation charges for conveying the VT Pump bowl assembly from Collector Well Pump room to Work Shop including usage of trolley along the Foot bridge and Van and as directed by the departmental officers. itemH1057 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the VT Pump bowl assembly from Collector Well Pump room to Work Shop including usage of trolley along the Foot bridge and Van itemH1060 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Charges for Lathe work of reconditioning of Pump SS Shaft with balancing, SS Bushes and sleeves, charges for Spider bore and outer dimension phase out lath works, reconditioning of impeller and impeller ring & charges fixing the bearing and bronze bushes in the bowl assembly including correct setting of impeller alignment and as directed by the departmental officers. itemH1063 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transportation charges for conveying the VT Pump bowl assembly from our work shop to Collector Well Pump room including usage of trolley along the Foot bridge and Van and as directed by the departmental officers. itemH1066 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Charges for reassembling the all Column pipes of Turbine Pump set and bowl assemblly after attending Pump repair works in the proper allignment after attending the cleaning and painting work in the coloumn pipe and body of the bowl assembly and as directed by the departmental officers. itemH1069 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Re errection of reconditioned stuffing box, new Head shaft, Discharge head and Motor, fixing the Rachet load bearing assembly including filling of required 90 grade oil and Connecting the 440V AC incoming Cable to the Motor Terminal and fixing new rope in the rope gland and Checking Motor Pumpset Alignment and Rotation and testing with load and as directed by the departmental officers. itemH1072 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH1075 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) itemH1076 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) itemH1079 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly and as directed by the departmental officers. itemH1082 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH1085 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete and as Directed by TWAD Board Officers. itemH1088 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Pumpsets at Raw Water 250 HP itemH1089 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for In place of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH1091 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH1094 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH1097 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH1100 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset itemH1103 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers itemH1106 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH1109 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers itemH1112 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components and as directed by TWAD board officers. itemH1115 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Attending the Repair works in Three Phase star Delta Starters itemH1118 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Labour Charges for Removal of unserviceable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter and as directed by TWAD board officers. itemH1119 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials and as directed by TWAD board officers itemH1122 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and Delivery of PLA Safety Relay suitable for the starterand as directed by TWAD board officers. itemH1125 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter and as directed by TWAD Board officers itemH1128 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and Delivery and fixing of required capacity Over load relay suitable for the starter andas directed by TWAD Board officers itemH1131 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc complete and as directed by TWAD Board officers. itemH1134 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter and as directed by TWAD Board Officers. itemH1137 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply,delivery and fixing of 50 A to 75A directly operated bimetallic thermal over load relay which operates in case of over load and also in case of under voltage with manual and auto reset model itemH1140 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Charges for removing the burnt power capacitor and labour charges for fixing the new KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials.. itemH1145 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of electro magnetic contactors of suitable capacity in AC three phase 140 Amps rating conforming to IS / IEC 60947 itemH1150 IS / IEC 60947 and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Clear water at Mettupalayam itemH1152 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply. itemH1155 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply, delivery and fixing of 20 W 4 feet LED Fitting With LED itemH1162 As Per I.E Rules and Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply, delivery and fixing of Street light 80W LED Focus Light Fitting with LED itemH1169 As Per I.E Rules and Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Charges for Oil filtration of transformer and Material cost with accessories and etc., complete. The following works carried out and verified as per IE Rule. 1. Removal of sludge and dirt from the transformer oil 2. Top up the new transformer oil (minimum 100ltr) with specification as per IE rule up to oil level as per IE rule. 3. Replace the existing lighting arrester with new one. 4. Replacing of new silica gel with filling of oil suitable for transformer including cost of materials as per IE rule. 5. Testing of transformer oil insulation and acidity testing etc., including oil filtration circulated to withstand BDV 50 KV/minute 6. Testing of no load and load condition as per IE rule. 7. Testing and calibration of earth fault relay. 8. Testing of earth electrode. 9. Fault rectification accessories. 10.Painting of transformer & Yard with neccessary repair & Rejuvenation works as per IE rule. 11.Providing sticker for "DANGER" 12. Replace the damged transformer core cable with new one and ensure the crimping. 13. Replace the fault Thermometer with new one. 14. Replace the existing bushing, cooling tube with new one. 15.Replace the existing of Buchholz relay with new one. 16. Confirm all Tap leads and connection in good / working condition as per IE rule. itemH1178 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH1181 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Cost of Chemicals itemH1189 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Alum (Sulphate of Alumino Ferric) required for Water Treatment Plants confirming to IS specification 299/1980 and as amended from time to time for delivery at anywhere in Coimbatore District including loading, freight, unloading, transit, insurance and all other incidental charges. itemH1190 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of Liquid Chlorine as per IS Specification (with Chlorine 99.8%, Moisture, Na2O3, Hydrogen and Carbondioxide are to be nil) required for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges. itemH1194 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges. itemH1198 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

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