Operation and maintenance of the following 2 Nos of CWSS under Maintenance Division Pillur in Coimbatore and Tirupur Districts Package10

TAMIL NADU WATER SUPPLY AND DRAINAGE BOARD

CHIEF ENGINEER, COIMBATORE.

Name of work:- Operation and Maintenance of the following 2 Nos of CWSS under Maintenance Division (Pillur), Coimbatore in Coimbatore District including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package-10.

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 2 Nos of CWSS under Maintenance Division (Pillur), Coimbatore in Coimbatore District including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package-10.

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 the following 2 Nos of CWSS under Maintenance Division (Pillur), Coimbatore in Coimbatore District including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package-10

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

Operation and Maintenance of the following 2 Nos of CWSS under Maintenance Division (Pillur), Coimbatore in Coimbatore District including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package-10 itemH1 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

1.03 Sub Total itemH4 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 the following 2 Nos of CWSS under Maintenance Division (Pillur), Coimbatore in Coimbatore District including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package-10

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 Augmentation of water supply to Palladam Municipality, 23 Town panchayats and 965 rural habitations in Coimbatore and Tiruppur Districts with Pillur reservoir as source including repairs, rectification works and supply of Chemicals for three years for the period from 01.04.2026 to 31.03.2029 (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 Repair and Renewals 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 (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 itemH9 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending leak in MS Pipes itemH10 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 1500 mm MS pipe itemH11 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 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 (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. itemH17 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 AC line Burst (using MS Step collar) itemH18 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 700 mm AC pipe itemH19 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 AC line Burst (USING MS BARREL PIPE) itemH27 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 700 mm AC pipe itemH28 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 AC Pipe Coupler Burst using MS Plain Collar itemH38 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 600 mm AC pipe itemH40 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 AC PIPE COUPLER LEAK itemH50 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. itemH62 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 PSC PIPE (using MS Step collar) itemH63 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 PSC PIPE (using MS Barrel) itemH65 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 PSC PIPE (using MS plain collar) itemH67 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 PSC PIPE (Cement Joint leak) itemH69 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 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 DI Leak (Burst _Pipe Replacement) itemH72 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 DI Leak (Leak_Single MJ Collar) itemH81 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 250 mm DI pipe itemH86 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 DI Leak (Leak_Cut Barrel & MJ Collar) itemH90 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 DI Leak (Leak_specials cement joint) itemH99 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 DI Leak (Leak_Gasket joint) itemH108 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 (O 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 O-PVC Pipes, 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 itemH117 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Leak-O-PVC -12.50 itemH118 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Leak-O-PVC -16 itemH122 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Burst-O-PVC -12.50 itemH126 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Burst-O-PVC -16.0 itemH130 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. itemH134 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Leak-HDPE Fusion Jt itemH135 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Leak-HDPE Coupler Jt itemH153 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Burst-HDPE itemH171 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 (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. itemH189 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 PVC Leak- itemH190 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Attending leak PVC Pipes ( Burst) itemH199 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 (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 itemH208 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 GI Leak itemH209 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 80 mm GI pipe itemH213 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Mechanical works itemH216 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. itemH217 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 fittings etc, complete and as directed by the departmental officers. itemH218 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Transporting the pumpset from Pump House to work shopetc, complete and as directed by the departmental officers. itemH230 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH242 Special Specification 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. itemH254 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 materialetc, complete and as directed by the departmental officers. itemH266 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 30 HP itemH276 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair worksetc, complete and as directed by the departmental officers. itemH278 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. itemH290 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 HSC Pumpset (Various HSC Motor)etc, Complete and as directed by the departmental officers. itemH302 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. itemH303 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. itemH310 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. itemH317 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 Motor etc, Complete and as directed by the departmental officers. itemH324 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. itemH331 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 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. itemH338 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 15 HP itemH340 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 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. itemH345 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Transportation charges for conveying the motor from work shop to Pumping Station etc, Complete and as directed by the departmental officers. itemH352 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. itemH359 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 itemH366 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. itemH367 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. itemH374 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH381 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. itemH388 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. itemH395 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. itemH402 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 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. itemH409 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. itemH416 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. itemH423 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. itemH430 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. itemH437 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 Vertical Turbine Pumpset itemH444 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 officer. itemH445 Special Specification 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. itemH449 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 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. itemH453 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 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. itemH457 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. itemH461 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. itemH465 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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. itemH469 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. itemH473 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. itemH477 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH481 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 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. itemH482 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 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. itemH486 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH490 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Reconditioning of Stuffing Box for providing bronze bush suitable for fixing thr Rope Gland and Head Shaft to avoid frequent damaging of rope and to avoid spreading of more leakage water from the Rope Gland including lath works and as directed by the departmental officers. itemH494 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. itemH498 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 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. itemH502 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Charges for reassembling the all Column pipes of Turbine Pump set and bowl assembly after attending Pump repair works in the proper alignment after attending the cleaning and painting work in the coloumn pipe and body of the bowl assembly and as directed by the departmental officers. itemH506 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. itemH510 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. itemH514 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Electrical works itemH525 3 Supplying, Conveying and fixing spls. Including ea item4 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 etc, complete and as directed by the TWAD Board officers itemH526 As per I.E Rules and as per Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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 itemH529 IS 13947, IEC60947-1 and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 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 itemH534 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

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 years itemH540 IS 1865 and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 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. itemH547 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 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. itemH548 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 itemH553 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

0.999 Lightning Arrangements : itemH560 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 For a period from 01.04.2027 to 31.03.2028 itemH565 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Repair and Renewals itemH566 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 (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 itemH567 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending leak in MS Pipes itemH568 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. itemH575 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 AC line Burst (using MS Step collar) itemH576 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 700 mm AC pipe itemH577 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 AC line Burst (USING MS BARREL PIPE) itemH585 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 AC Pipe Coupler Burst using MS Plain Collar itemH596 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 AC PIPE COUPLER LEAK itemH608 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. itemH620 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 PSC PIPE (using MS Step collar) itemH621 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 PSC PIPE (using MS Barrel) itemH623 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 PSC PIPE (using MS plain collar) itemH625 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 PSC PIPE (Cement Joint leak) itemH627 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. itemH629 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 DI Leak (Burst _Pipe Replacement) itemH630 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 DI Leak (Leak_Single MJ Collar) itemH639 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 DI Leak (Leak_Cut Barrel & MJ Collar) itemH648 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 DI Leak (Leak_specials cement joint) itemH657 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 DI Leak (Leak_Gasket joint) itemH666 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 (O 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 O-PVC Pipes, 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 itemH675 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Leak-O-PVC -12.50 itemH676 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Leak-O-PVC -16 itemH680 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Burst-O-PVC -12.50 itemH684 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Burst-O-PVC -16.0 itemH688 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. itemH692 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Leak-HDPE Fusion Jt itemH693 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Leak-HDPE Coupler Jt itemH711 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 180 mm PN 8 HDPE pipe itemH718 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 Burst-HDPE itemH729 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. itemH747 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 PVC Leak- itemH748 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending leak PVC Pipes ( Burst) itemH757 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 itemH766 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 GI Leak itemH767 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Mechanical works itemH774 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. itemH775 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 officers. itemH776 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. itemH788 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. itemH800 Special Specification 2 Construction of chamber for 100mm sluices valve item3 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. itemH812 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 materialetc, complete and as directed by the departmental officers. itemH824 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. itemH836 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH848 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. itemH860 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. itemH861 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 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. itemH868 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. itemH875 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. itemH882 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 etc, Complete and as directed by the departmental officers. itemH889 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. itemH896 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 etc, Complete and as directed by the departmental officers. itemH903 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. itemH910 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH917 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 itemH924 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. itemH925 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. itemH932 Special Specification 2 Construction of chamber for 100mm sluices valve item3 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. itemH939 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 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. itemH946 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. itemH953 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 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. itemH960 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. itemH967 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 100 HP itemH972 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 Driven End and Non Driven End bearings and as directed by the departmental officers. itemH974 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 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. itemH981 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. itemH988 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. itemH995 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 itemH1002 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 officer. itemH1003 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. itemH1007 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. itemH1011 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 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 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. itemH1015 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 etc., complete and as directed by the departmental officers. itemH1019 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH1023 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. itemH1027 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. itemH1031 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 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. itemH1035 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 150 HP itemH1036 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 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 itemH1039 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 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. itemH1040 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 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. itemH1044 Special Specification 2 Construction of chamber for 100mm sluices valve item3 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. itemH1048 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Reconditioning of Stuffing Box for providing bronze bush suitable for fixing thr Rope Gland and Head Shaft to avoid frequent damaging of rope and to avoid spreading of more leakage water from the Rope Gland including lath works and as directed by the departmental officers. itemH1052 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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. itemH1056 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 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. itemH1060 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 assembly after attending Pump repair works in the proper alignment after attending the cleaning and painting work in the coloumn pipe and body of the bowl assembly and as directed by the departmental officers. itemH1064 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH1068 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. itemH1072 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Electrical works itemH1083 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 itemH1084 As per I.E Rules and as per 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 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 itemH1087 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 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 itemH1092 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

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 years itemH1098 IS 1865 and as amended from time to time 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. itemH1105 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 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. itemH1106 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 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 itemH1111 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

0.000 Lightning Arrangements : itemH1118 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 For a period from 01.04.2028 to 31.03.2029 itemH1123 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Repair and Renewals itemH1124 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 itemH1125 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Attending leak in MS Pipes itemH1126 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 (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. itemH1133 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 AC line Burst (using MS Step collar) itemH1134 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 AC line Burst (USING MS BARREL PIPE) itemH1143 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 AC Pipe Coupler Burst using MS Plain Collar itemH1154 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 AC PIPE COUPLER LEAK itemH1166 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. itemH1178 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 PSC PIPE (using MS Step collar) itemH1179 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 PSC PIPE (using MS Barrel) itemH1181 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 PSC PIPE (using MS plain collar) itemH1183 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 PSC PIPE (Cement Joint leak) itemH1185 2 Construction of chamber for 100mm sluices valve item3 10 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. itemH1187 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 DI Leak (Burst _Pipe Replacement) itemH1188 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 DI Leak (Leak_Single MJ Collar) itemH1197 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 DI Leak (Leak_Cut Barrel & MJ Collar) itemH1206 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 DI Leak (Leak_specials cement joint) itemH1215 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 DI Leak (Leak_Gasket joint) itemH1224 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 300 mm DI pipe itemH1228 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 (O 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 O-PVC Pipes, 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 itemH1233 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Leak-O-PVC -12.50 itemH1234 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Leak-O-PVC -16 itemH1238 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Burst-O-PVC -12.50 itemH1242 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Burst-O-PVC -16.0 itemH1246 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. itemH1250 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Leak-HDPE Fusion Jt itemH1251 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Leak-HDPE Coupler Jt itemH1269 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Burst-HDPE itemH1287 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 (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. itemH1305 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 PVC Leak- itemH1306 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Attending leak PVC Pipes( Burst) itemH1315 2 Construction of chamber for 100mm sluices valve item3 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 itemH1324 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 GI Leak itemH1325 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Mechanical works itemH1332 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Attending the Repair and Renewal works in Submersible Pumpset etc, complete and as directed by the departmental officers. itemH1333 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 fittings etc, complete and as directed by the departmental officers. itemH1334 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. itemH1346 Special Specification 2 Construction of chamber for 100mm sluices valve item3 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 materialsetc, complete and as directed by the departmental officers. itemH1358 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 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. itemH1370 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 materialetc, complete and as directed by the departmental officers. itemH1382 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair worksetc, complete and as directed by the departmental officers. itemH1394 Special Specification 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. itemH1406 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 HSC Pumpset (Various HSC Motor)etc, Complete and as directed by the departmental officers. itemH1418 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. itemH1419 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 7.5 HP itemH1420 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 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. itemH1426 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 the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH1433 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. itemH1440 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 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. itemH1447 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 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. itemH1454 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 etc, Complete and as directed by the departmental officers. itemH1461 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Transportation charges for conveying the motor from work shop to Pumping Station etc, Complete and as directed by the departmental officers. itemH1468 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. itemH1475 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 itemH1482 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. itemH1483 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 7.5 HP itemH1484 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 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. itemH1490 Special Specification 2 Construction of chamber for 100mm sluices valve item3 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. itemH1497 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. itemH1504 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. itemH1511 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. itemH1518 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. itemH1525 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH1532 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. itemH1539 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. itemH1546 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 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. itemH1553 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 Vertical Turbine Pumpset itemH1560 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 officer. itemH1561 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. itemH1565 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. itemH1569 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. itemH1573 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 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. itemH1577 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. itemH1581 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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. itemH1585 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. itemH1589 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. itemH1593 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 itemH1597 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 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. itemH1598 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.000 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. itemH1602 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 and as directed by the departmental officers. itemH1606 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Reconditioning of Stuffing Box for providing bronze bush suitable for fixing thr Rope Gland and Head Shaft to avoid frequent damaging of rope and to avoid spreading of more leakage water from the Rope Gland including lath works and as directed by the departmental officers. itemH1610 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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. itemH1614 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. itemH1618 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 assembly after attending Pump repair works in the proper alignment after attending the cleaning and painting work in the coloumn pipe and body of the bowl assembly and as directed by the departmental officers. itemH1622 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH1626 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. itemH1630 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Electrical works itemH1641 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 itemH1642 As per I.E Rules and as per Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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 itemH1645 IS 13947, IEC60947-1 and as amended from time to time 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 itemH1650 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

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 years itemH1656 IS 1865 and as amended from time to time 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. itemH1663 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 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. itemH1664 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 itemH1669 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

0.999 Lightning Arrangements : itemH1676 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Cost of Chemicals itemH1681 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Supply and delivery of Alum (Sulphate of Alumina 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. itemH1682 Special Specification 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. itemH1686 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. itemH1690 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Supply and delivery of Lime Powder required for Water Treatment Plants confirming to IS Specification as amended from time to time in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges. itemH1694 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 the following 2 Nos of CWSS under Maintenance Division (Pillur), Coimbatore in Coimbatore District including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029 - Package-10

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 Augmentation of water supply in Goundampalayam Vadavalli and Veerakeralam areas of Coimbatore City Municipal Corporation 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). 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

0.999 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

0.999 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

0.000 LEAKS AND BURSTS 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 (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 itemH9 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 Pipes itemH10 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. itemH13 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending Burst in PSC Pipe Lines itemH14 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 PSC Cement Joint Leak itemH15 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Using MS Step Collar itemH18 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 PSC Pipe Leak using MS Plain Collar itemH21 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.000 USING MS BARREL PIPE itemH24 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. itemH27 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.000 Attending DI Pipe Lines itemH28 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Leak Single MJ Collar itemH29 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.000 Leak_Cut Barrel & MJ Collar itemH37 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 (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. itemH45 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Attending HDPE Pipe Lines itemH46 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Leak - HDPE Fusion Joint itemH47 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Burst HDPE itemH52 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Repairs and Renewals itemH57 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Attending the Repair and Renewal works in Submersible Pumpset etc, complete and as directed by the departmental officers. itemH58 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 fittings etc, complete and as directed by the departmental officers. itemH59 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. itemH61 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 materials etc, complete and as directed by the departmental officers. itemH63 Special Specification 2 Construction of chamber for 100mm sluices valve item3 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. itemH65 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 10 HP OWS Pumpset (1+1) itemH66 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 pump side Gun Metal Bush including cost of labour charges after deducting the cost of old material etc, complete and as directed by the departmental officers. itemH67 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc, complete and as directed by the departmental officers. itemH69 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. itemH71 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 HSC Pumpset (Various HSC Motor)etc, Complete and as directed by the departmental officers. itemH73 2 Construction of chamber for 100mm sluices valve item3 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. itemH74 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. itemH80 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 the damaged driven end and non driven end bearings etc, Complete and as directed by the departmental officers. itemH86 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. itemH92 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. itemH98 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 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. itemH104 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 etc, Complete and as directed by the departmental officers. itemH110 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. itemH116 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. itemH122 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 itemH128 2 Construction of chamber for 100mm sluices valve item3 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 itemH129 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 200 HP (2+1) itemH130 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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. itemH131 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 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. itemH133 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 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 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. itemH135 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. itemH137 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH139 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. itemH141 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. itemH143 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 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. itemH145 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 itemH147 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. itemH148 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. itemH154 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. itemH160 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. itemH166 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. itemH172 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. itemH178 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 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. itemH184 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH190 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. itemH196 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. itemH202 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. itemH208 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 itemH214 2 Construction of chamber for 100mm sluices valve item3 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. itemH215 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 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. itemH217 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 and as directed by the departmental officers. itemH219 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Reconditioning of Stuffing Box for providing bronze bush suitable for fixing thr Rope Gland and Head Shaft to avoid frequent damaging of rope and to avoid spreading of more leakage water from the Rope Gland including lath works and as directed by the departmental officers. itemH221 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 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 allignmentand as directed by the departmental officers. itemH223 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 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. itemH225 Special Specification 2 Construction of chamber for 100mm sluices valve item3 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. itemH227 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. itemH229 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Sump Cleaning itemH231 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. itemH232 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Supply & Delivery of Accessories itemH235 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 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 itemH236 IS 1865 and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 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 itemH238 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

0.999 Manufacture, Supply and Delivery of DI D/F Slanted seat Swing Check Valve. Body of ductile cast iron of Grade GGG 40 or GGG 50 and disc of ductile cast iron GGG 40 or GGG 50 with fully encapsulated EPDM rubber, where both faces can be used. Electrostatic epoxy powder/ liquid coating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 250 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 process by dipping the shot-blasted casted components heated up to 200 deg C). Face to face dimensions as per EN558-1, series 48 and flange connections as per EN 1092-2/IS 1538 and with 5 years warranty itemH240 As per EN 1092-2/IS 1538 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 Disc Swing Check Valve 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) disc face & 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 50 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 warranty itemH243 As per EN 1092-2/ IS and amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. itemH246 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Lightening Arrangements : itemH253 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transformer Repair work itemH258 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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. itemH259 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 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. itemH260 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 For a period from 01.04.2027 to 31.03.2028 itemH264 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 LEAKS AND BURSTS itemH265 2 Construction of chamber for 100mm sluices valve item3 10 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 itemH266 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Attending MS Pipe Lines - MS Plate in MS Pipes itemH267 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. itemH270 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Attending Burst in PSC Pipe Lines itemH271 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 PSC Cement Joint Leak itemH272 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Using MS Step Collar itemH275 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 PSC Pipe Leak using MS Plain Collar itemH278 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 USING MS BARREL PIPE itemH281 2 Construction of chamber for 100mm sluices valve item3 10 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. itemH284 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending DI Pipe Lines itemH285 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Leak Single MJ Collar itemH286 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Leak_Cut Barrel & MJ Collar itemH294 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. itemH302 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Attending HDPE Pipe Lines itemH303 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Leak - HDPE Fusion Joint itemH304 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Burst HDPE itemH309 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Repairs and Renewals itemH314 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Attending the Repair and Renewal works in Submersible Pumpset etc, complete and as directed by the departmental officers. itemH315 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 fittings etc, complete and as directed by the departmental officers. itemH316 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. itemH318 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 materials etc, complete and as directed by the departmental officers. itemH320 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 10 HP OWS Pumpset (1+1) itemH321 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 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. itemH322 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Replacement of carbon type thrust bearing and pump side Gun Metal Bush including cost of labour charges after deducting the cost of old material etc, complete and as directed by the departmental officers. itemH324 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc, complete and as directed by the departmental officers. itemH326 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. itemH328 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. itemH330 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. itemH331 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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. itemH337 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. itemH343 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. itemH349 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. itemH355 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 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. itemH361 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 etc, Complete and as directed by the departmental officers. itemH367 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. itemH373 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. itemH379 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 400 H.P - HSC (2+1) itemH384 0.000 No Excess(+) Full Conversion INR 1 No (Each) 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 Vertical Turbine Pumpset itemH385 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 itemH386 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. itemH388 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. itemH390 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. itemH392 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. itemH394 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. itemH396 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. itemH398 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 Station etc., complete and as directed by the departmental officers. itemH400 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH402 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 itemH404 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. itemH405 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 the Pumping Station to work shop including loading and unloading charges and as directed by the departmental officers. itemH411 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH417 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH423 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. itemH429 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. itemH435 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 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. itemH441 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH447 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. itemH453 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. itemH459 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. itemH465 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 itemH471 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. itemH472 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH474 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 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. itemH476 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Reconditioning of Stuffing Box for providing bronze bush suitable for fixing thr Rope Gland and Head Shaft to avoid frequent damaging of rope and to avoid spreading of more leakage water from the Rope Gland including lath works and as directed by the departmental officers. itemH478 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 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 allignmentand as directed by the departmental officers. itemH480 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 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. itemH482 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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. itemH484 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. itemH486 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Sump Cleaning itemH488 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. itemH489 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply & Delivery of Accessories itemH492 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 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 itemH493 IS 1865 and as amended from time to time 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 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 itemH495 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

0.999 Manufacture, Supply and Delivery of DI D/F Slanted seat Swing Check Valve. Body of ductile cast iron of Grade GGG 40 or GGG 50 and disc of ductile cast iron GGG 40 or GGG 50 with fully encapsulated EPDM rubber, where both faces can be used. Electrostatic epoxy powder/ liquid coating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 250 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 process by dipping the shot-blasted casted components heated up to 200 deg C). Face to face dimensions as per EN558-1, series 48 and flange connections as per EN 1092-2/IS 1538 and with 5 years warranty itemH497 As per EN 1092-2/IS 1538 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 Disc Swing Check Valve 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) disc face & 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 50 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 warranty itemH500 As per EN 1092-2/ IS and amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. itemH503 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Lightening Arrangements : itemH510 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transformer Repair work itemH515 3 Supplying, Conveying and fixing spls. Including ea item4 10 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. itemH516 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 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. itemH517 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 For a period from 01.04.2028 to 31.03.2029 itemH521 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 LEAKS AND BURSTS itemH522 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 (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 itemH523 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 Pipes itemH524 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. itemH527 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Attending Burst in PSC Pipe Lines itemH528 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 PSC Cement Joint Leak itemH529 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Using MS Step Collar itemH532 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 PSC Pipe Leak using MS Plain Collar itemH535 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 USING MS BARREL PIPE itemH538 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. itemH541 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Attending DI Pipe Lines itemH542 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Leak Single MJ Collar itemH543 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Leak_Cut Barrel & MJ Collar itemH551 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. itemH559 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Attending HDPE Pipe Lines itemH560 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Leak - HDPE Fusion Joint itemH561 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Burst HDPE itemH566 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Repairs and Renewals itemH571 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. itemH572 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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 officers. itemH573 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Transporting the pumpset from Pump House to work shop etc, complete and as directed by the departmental officers. itemH575 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 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 materials etc, complete and as directed by the departmental officers. itemH577 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. itemH579 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Replacement of carbon type thrust bearing and pump side Gun Metal Bush including cost of labour charges after deducting the cost of old material etc, complete and as directed by the departmental officers. itemH581 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc, complete and as directed by the departmental officers. itemH583 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. itemH585 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 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. itemH587 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. itemH588 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. itemH594 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. itemH600 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. itemH606 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 etc, Complete and as directed by the departmental officers. itemH612 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 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. itemH618 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 etc, Complete and as directed by the departmental officers. itemH624 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. itemH630 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. itemH636 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 240 H.P - HSC (2+1) itemH639 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 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 itemH642 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 itemH643 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. itemH645 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. itemH647 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. itemH649 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. itemH651 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH653 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. itemH655 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. itemH657 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 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. itemH659 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 itemH661 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. itemH662 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. itemH668 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings and as directed by the departmental officers. itemH674 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. itemH680 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. itemH686 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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. itemH692 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 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. itemH698 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Supply and delivery of Driven End and Non Driven End bearings and as directed by the departmental officers. itemH704 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. itemH710 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 Transportation charges for conveying the Pump assembly from work shop to Pumping Station and as directed by the departmental officers. itemH716 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. itemH722 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 itemH728 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. itemH729 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. itemH731 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 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. itemH733 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Reconditioning of Stuffing Box for providing bronze bush suitable for fixing thr Rope Gland and Head Shaft to avoid frequent damaging of rope and to avoid spreading of more leakage water from the Rope Gland including lath works and as directed by the departmental officers. itemH735 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 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 allignmentand as directed by the departmental officers. itemH737 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 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. itemH739 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. itemH741 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. itemH743 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Sump Cleaning itemH745 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. itemH746 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply & Delivery of Accessories itemH749 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.999 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 itemH750 IS 1865 and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 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 itemH752 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

0.999 Manufacture, Supply and Delivery of DI D/F Slanted seat Swing Check Valve. Body of ductile cast iron of Grade GGG 40 or GGG 50 and disc of ductile cast iron GGG 40 or GGG 50 with fully encapsulated EPDM rubber, where both faces can be used. Electrostatic epoxy powder/ liquid coating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 250 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 process by dipping the shot-blasted casted components heated up to 200 deg C). Face to face dimensions as per EN558-1, series 48 and flange connections as per EN 1092-2/IS 1538 and with 5 years warranty itemH754 As per EN 1092-2/IS 1538 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 Disc Swing Check Valve 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) disc face & 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 50 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 warranty itemH757 As per EN 1092-2/ IS and amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. itemH760 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.999 550 amps itemH762 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Lightening Arrangements : itemH767 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Transformer Repair work itemH772 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 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. itemH773 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 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. itemH774 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Cost of Chemicals itemH778 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.999 Supply and delivery of Alum (Sulphate of Alumina 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. itemH779 IS specification 299/1980 and as amended from time to time 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. itemH783 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 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. itemH787 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.999 Supply and delivery of Lime Powder required for Water Treatment Plants confirming to IS Specification as amended from time to time in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges. itemH791 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

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