Operation and maintenance of the following 4 Nos of CWSS under Maintenance Division Edappadi in Salem Dist Pkg-2

TAMIL NADU WATER SUPPLY AND DRAINAGE BOARD

CHIEF ENGINEER, COIMBATORE.

Name of work:- Operation and maintenance of the following 4 Nos of CWSS in Salem and Namakkal Districts under Maintenance Division, Edappadi including repairs, rectification works and supply of Chemicals for three years period from 2023-2024 to 2025-2026 - PACKAGE 2

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 4 Nos of CWSS in Salem and Namakkal Districts under Maintenance Division, Edappadi including repairs, rectification works and supply of Chemicals for three years period from 2023-2024 to 2025-2026 - PACKAGE 2

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 4 Nos of CWSS in Salem and Namakkal Districts under Maintenance Division, Edappadi including repairs, rectification works and supply of Chemicals for three years period from 2023-2024 to 2025-2026 - PACKAGE 2

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

4 Nos of CWSS in Salem and Namakkal Districts under Maintenance Division, Edappadi itemH1 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

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

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

Name of Work: Operation and maintenance of the following 4 Nos of CWSS in Salem and Namakkal Districts under Maintenance Division, Edappadi including repairs, rectification works and supply of Chemicals for three years period from 2023-2024 to 2025-2026 - PACKAGE 2

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

0.0000 Part : 1 - Operation and Maintenance of CWSS to Iruppali, 236 Fluoride Affected Habitations and 1237 wayside habitations in 7 Unions of Salem District including repairs, rectification works and supply of Chemicals for three years period from 2026-2027 to 2028-2029. itemH1 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

1.0001 Operation and Maintenance of CWSS itemH2 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0002 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

1.0006 Repairs and Renewals for the period 01.04.2026 to 31.03.2027 itemH7 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0007 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. itemH8 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0008 Burst Pipe replacement itemH9 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0011 400 mm DI Pipe itemH12 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0018 Leak-single MJ Collar itemH19 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0021 400 mm DI Pipe itemH22 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0028 Leak- cut Barrel & MJ Collar itemH29 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0038 Leak- specials Cement Joint itemH39 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0048 Leak-Gasket Joint itemH49 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0057 100 mm DI Pipe itemH58 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0058 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. itemH59 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0059 Using MS Step Collar Leak itemH60 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0062 Using MS barrel pipe itemH63 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0065 AC pipe coupler burst using MS plain coller itemH66 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0068 AC pipe coupler leak itemH69 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0071 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. itemH72 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0072 USING MS STEP COLLAR itemH73 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0077 USING MS BARREL PIPE itemH78 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0082 PSC pipe leak using MS plain coller itemH83 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0087 PSC Cement joint leak itemH88 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0092 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. itemH93 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0093 LEAK HDPE FUSION JOINT itemH94 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0103 LEAK HDPE COUPLER JOINT itemH104 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0113 BURST HDPE itemH114 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0121 180 mm HDPE - PN 6 Pipe itemH122 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0123 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. itemH124 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0124 Leak PVC itemH125 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0131 Burst in PVC Pipes itemH132 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0138 Towards the charges for attending Repair and Reconditioning of various size of Sluice Valves itemH139 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0139 Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials. itemH140 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0146 Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc., itemH147 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0153 Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials and as directed by the TWAD Board officers. itemH154 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.016 Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials and as directed by TWAD borad officers itemH161 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0167 Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,and as directed by TWAD borad officers itemH168 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0174 Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lathe work etc.,and as directed by TWAD borad officers itemH175 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0181 Repair and Reconditioning of the Double Air Valve/ Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete and as directed by the departmental Officers itemH182 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0185 80 mm itemH186 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0188 Replacement of non functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete and as directed by the departmental Officers itemH189 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0193 Supply and delivery of following sizes of GI specials / G.M valves with ISI marking for jointing with GI Pipes including loading, freight unloading, stacking, insurance etc., complete and as directed by the TWAD Board officers. itemH194 IS 1239/ Part II/ 2004 Specification and as amended from time to time 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0198 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH199 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0199 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 etc., complete and as directed by TWAD Board officers itemH200 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0201 Charges for removing the all Column pipes of VT Pumpset each 1.5 m / 2.00 m to length and bowl assemblly for attending Pump repair works etc., complete and as directed by TWAD Board officers itemH202 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0203 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 etc., complete and as directed by TWAD Board officers itemH204 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0205 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 etc., complete and as directed by TWAD Board officers. itemH206 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0207 Charges for Lathe work of reconditioning of Pump SS Shaft with balancing, SS Bushes and sleeves, charges for Spider bore nd 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 allignment etc., complete and as directed by TWAD Board officers itemH208 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0209 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 etc., complete and as directed by TWAD Board officers itemH210 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0212 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 etc., complete and as directed by TWAD Board officers itemH213 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0214 VT Pumpset itemH215 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0215 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH216 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0216 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) etc., complete and as directed by TWAD Board officers itemH217 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0218 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) etc., complete and as directed by TWAD Board officers itemH219 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.022 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly etc., complete and as directed by TWAD Board officers itemH221 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0222 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH223 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0224 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete) etc., complete and as directed by TWAD Board officers itemH225 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0226 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH227 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0228 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH229 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.023 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH231 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0232 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH233 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0234 Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset itemH235 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0236 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers itemH237 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0238 Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH239 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.024 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers itemH241 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0242 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components etc., complete and as directed by TWAD Board officers itemH243 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0244 VT Motor itemH245 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0245 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH246 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0246 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 TWAD Board officers itemH247 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0248 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges etc., complete and as directed by TWAD Board officers itemH249 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.025 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 TWAD Board officers itemH251 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0252 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 TWAD Board officers itemH253 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0254 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc., complete and as directed by TWAD Board officers itemH255 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0256 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 TWAD Board officers itemH257 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0258 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH259 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.026 Transportation charges for conveying the motor from work shop to pumping Station etc., complete and as directed by TWAD Board officers itemH261 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0262 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 TWAD Board officers itemH263 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0264 HSC Pumpsets itemH265 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0265 Attending the Repair and Replacement of bearings in various HSC Pump itemH266 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0266 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 etc., complete and as directed by TWAD Board officers itemH267 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0267 220 HP itemH268 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0277 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges etc., complete and as directed by TWAD Board officers itemH278 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0278 220 HP itemH279 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0288 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings etc., complete and as directed by TWAD Board officers itemH289 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0289 220 HP itemH290 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0299 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 etc., complete and as directed by TWAD Board officers, itemH300 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.03 220 HP itemH301 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.031 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials etc., complete and as directed by TWAD Board officers itemH311 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0311 220 HP itemH312 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0321 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine etc., complete and as directed by TWAD Board officers itemH322 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0322 220 HP itemH323 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0332 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials etc., complete and as directed by TWAD Board officers itemH333 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0333 220 HP itemH334 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0343 Supply and delivery of Driven End and Non Driven End bearings etc., complete and as directed by TWAD Board officers itemH344 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0344 220 HP itemH345 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0354 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH355 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0355 220 HP itemH356 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0365 Transportation charges for conveying the Pump assembly from work shop to Pumping Station etc., complete and as directed by TWAD Board officers itemH366 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0366 220 HP itemH367 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0376 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc., complete and as directed by TWAD Board officers itemH377 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0377 220 HP itemH378 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0387 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH388 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0388 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 TWAD Board officers itemH389 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0389 220 HP itemH390 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0399 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 TWAD Board officers itemH400 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.04 220 HP itemH401 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.041 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 TWAD Board officers itemH411 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0411 220 HP itemH412 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0421 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 TWAD Board officers itemH422 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.0422 220 HP itemH423 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.0432 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 TWAD Board officers itemH433 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.0433 220 HP itemH434 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0443 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor etc., complete and as directed by TWAD Board officers itemH444 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.0444 220 HP itemH445 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.04539999999999 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH455 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.04549999999999 220 HP itemH456 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.04649999999999 Transportation charges for conveying the motor from work shop to Pumping Station etc., complete and as directed by TWAD Board officers itemH466 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.04659999999999 220 HP itemH467 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.04759999999999 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 TWAD Board officers itemH477 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.04769999999999 220 HP itemH478 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.04869999999999 OWS Pumpsets & Motors itemH488 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.04879999999999 Attending the Repair and Renewal works in Submersible Pumpset itemH489 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.04889999999999 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 TWAD Board officers itemH490 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.04899999999999 60 HP itemH491 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.05029999999999 3 HP itemH504 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.05059999999999 Transporting the pumpset from Pump House to work shop etc., complete and as directed by TWAD Board officers itemH507 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.05229999999999 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 TWAD Board officers itemH524 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.05399999999999 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 TWAD Board officers itemH541 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.05569999999999 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material etc., complete and as directed by TWAD Board officers itemH558 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.05669999999999 7 HP itemH568 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.05739999999999 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc., complete and as directed by TWAD Board officers itemH575 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.05909999999999 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 TWAD Board officers itemH592 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.06079999999999 Towards the charges for attending the repair works in Star Delta Starter itemH609 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.06089999999999 Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter etc., complete and as directed by TWAD Board officers itemH610 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.06199999999999 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete etc., complete and as directed by TWAD Board officers itemH621 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.06309999999999 Supply and Delivery of PLA Safety Relay suitable for the starter etc., complete and as directed by TWAD Board officers itemH632 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.06319999999999 60 HP itemH633 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.06419999999999 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers. itemH643 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.06529999999999 Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers. itemH654 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.06639999999999 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete etc., complete and as directed by TWAD Board officers itemH665 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.06749999999999 Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers. itemH676 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.06829999999999 Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers. itemH684 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.06869999999999 Supply and Delivery of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers. itemH688 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.06909999999999 Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers. itemH692 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.06949999999999 25 HP itemH696 0.000 No. Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.07019999999999 Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH703 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.07129999999999 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter etc., complete and as directed by TWAD Board officers itemH714 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.07239999999999 Towards the charges for attending the repair works in DOL Starter itemH725 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.07249999999999 Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter etc., complete and as directed by TWAD Board officers itemH726 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.07329999999999 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete and as directed by TWAD Board officers itemH734 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.07409999999999 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete and as directed by TWAD Board officers itemH742 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.07489999999999 Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH750 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.07569999999999 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter etc., complete and as directed by TWAD Board officers itemH758 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.07589999999999 6 HP itemH760 0.000 No. Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.07649999999999 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH766 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.08229999999999 327 KG Palayam 0.60 LL itemH824 0.000 Nos. Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.08589999999999 For a period from 01.04.2027 to 31.03.2028 itemH860 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.08599999999999 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. itemH861 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.08609999999999 Attending DI pipe lines itemH862 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.08619999999999 Burst Pipe replacement itemH863 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.08719999999999 Leak-single MJ Collar itemH873 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.08819999999999 Leak- cut Barrel & MJ Collar itemH883 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.08869999999999 300 mm DI Pipe itemH888 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.08919999999999 Leak- specials Cement Joint itemH893 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.09019999999999 Leak-Gasket Joint itemH903 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.09119999999999 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. itemH913 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.09129999999999 ATTENDING BURST IN AC PIPE LINES itemH914 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.09139999999999 Using MS Step Collar Leak itemH915 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.09169999999999 Using MS barrel pipe itemH918 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.09199999999999 AC pipe coupler burst using MS plain coller itemH921 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.09229999999999 AC pipe coupler leak itemH924 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.09259999999999 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. itemH927 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.09269999999999 ATTENDING BURST IN PSC PIPE LINES itemH928 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.09279999999999 USING MS STEP COLLAR itemH929 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.09329999999999 USING MS BARREL PIPE itemH934 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.09379999999999 PSC pipe leak using MS plain coller itemH939 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.09429999999999 PSC Cement joint leak itemH944 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.09479999999999 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. itemH949 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.09489999999999 ATTENDING HDPE PIPE LINES itemH950 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.09499999999999 LEAK HDPE FUSION JOINT itemH951 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.09599999999999 LEAK HDPE COUPLER JOINT itemH961 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.09699999999999 BURST HDPE itemH971 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.09799999999999 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. itemH981 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.09809999999999 ATTENDING PVC PIPE LINES - LEAK PVC itemH982 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.09819999999999 Leak PVC itemH983 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.09889999999999 Burst in PVC Pipes itemH990 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.09959999999999 Towards the charges for attending Repair and Reconditioning of various size of Sluice Valves itemH997 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.09969999999999 Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials. itemH998 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.10039999999999 Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc., itemH1005 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.10109999999999 Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials and as directed by the TWAD Board officers itemH1012 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.10179999999999 Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials and as directed by TWAD borad officers itemH1019 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.10249999999999 Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,and as directed by TWAD borad officers itemH1026 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.10319999999999 Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lathe work etc.,and as directed by TWAD borad officers itemH1033 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.10389999999999 Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete and as directed by the departmental Officers itemH1040 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.10459999999999 Replacement of non functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete and as directed by the departmental Officers itemH1047 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.10509999999999 Supply and delivery of the following G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications at the site of work to carryout the general maintenance works etc., complete and as directed by TWAD Board officers itemH1052 AS PER IS BS 5154 and as amended from time to time 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.10559999999999 VT Pumpset itemH1057 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.10569999999999 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH1058 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.10579999999999 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 etc., complete and as directed by TWAD Board officers itemH1059 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.10599999999999 Charges for removing the all Column pipes of VT Pumpset each 1.5 m / 2.00 m to length and bowl assemblly for attending Pump repair works etc., complete and as directed by TWAD Board officers itemH1061 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.10619999999999 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 etc., complete and as directed by TWAD Board officers itemH1063 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.10639999999999 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 etc., complete and as directed by TWAD Board officers. itemH1065 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.10659999999999 Charges for Lathe work of reconditioning of Pump SS Shaft with balancing, SS Bushes and sleeves, charges for Spider bore nd 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 allignment etc., complete and as directed by TWAD Board officers itemH1067 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.10679999999999 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 etc., complete and as directed by TWAD Board officers itemH1069 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.10709999999999 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 etc., complete and as directed by TWAD Board officers itemH1072 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.10729999999999 VT Pumpset itemH1074 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.10739999999999 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH1075 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.10749999999999 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) etc., complete and as directed by TWAD Board officers itemH1076 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.10769999999999 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) etc., complete and as directed by TWAD Board officers itemH1078 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.10789999999999 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly etc., complete and as directed by TWAD Board officers itemH1080 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.10809999999999 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH1082 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.10829999999999 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete) etc., complete and as directed by TWAD Board officers itemH1084 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.10849999999999 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH1086 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.10869999999999 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH1088 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.10889999999999 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH1090 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.10909999999999 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH1092 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.10929999999999 Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset itemH1094 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.10949999999999 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers itemH1096 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.10969999999999 Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH1098 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.10989999999999 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers itemH1100 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.11009999999999 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components etc., complete and as directed by TWAD Board officers itemH1102 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.11029999999999 VT Motor itemH1104 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.11039999999999 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH1105 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.11049999999999 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 TWAD Board officers itemH1106 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.11069999999999 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges etc., complete and as directed by TWAD Board officers itemH1108 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.11089999999999 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 TWAD Board officers itemH1110 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.11109999999999 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 TWAD Board officers itemH1112 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.11129999999999 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc., complete and as directed by TWAD Board officers itemH1114 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.11149999999999 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 TWAD Board officers itemH1116 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.11169999999999 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH1118 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.11189999999999 Transportation charges for conveying the motor from work shop to pumping Station etc., complete and as directed by TWAD Board officers itemH1120 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.11209999999999 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 TWAD Board officers itemH1122 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.11229999999999 HSC Pumpsets itemH1124 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.11239999999999 Attending the Repair and Replacement of bearings in various HSC Pump itemH1125 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.11249999999999 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 etc., complete and as directed by TWAD Board officers itemH1126 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.11359999999999 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges etc., complete and as directed by TWAD Board officers itemH1137 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.11419999999999 35 HP itemH1143 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.11469999999999 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings etc., complete and as directed by TWAD Board officers itemH1148 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.11579999999999 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 etc., complete and as directed by TWAD Board officers, itemH1159 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.11669999999999 17.5 HP itemH1168 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.11689999999999 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials etc., complete and as directed by TWAD Board officers itemH1170 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.11799999999999 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine etc., complete and as directed by TWAD Board officers itemH1181 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.11909999999999 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials etc., complete and as directed by TWAD Board officers itemH1192 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.12019999999999 Supply and delivery of Driven End and Non Driven End bearings etc., complete and as directed by TWAD Board officers itemH1203 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.12129999999999 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH1214 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.12239999999999 Transportation charges for conveying the Pump assembly from work shop to Pumping Station etc., complete and as directed by TWAD Board officers itemH1225 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.12309999999999 30 HP itemH1232 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.12349999999999 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc., complete and as directed by TWAD Board officers itemH1236 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.12459999999999 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH1247 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.12469999999999 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 TWAD Board officers itemH1248 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.12579999999999 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 TWAD Board officers itemH1259 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.12689999999999 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 TWAD Board officers itemH1270 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.12799999999999 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 TWAD Board officers itemH1281 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.12909999999999 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 TWAD Board officers itemH1292 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.12949999999999 100 HP itemH1296 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.13019999999999 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor etc., complete and as directed by TWAD Board officers itemH1303 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.13129999999999 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH1314 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.13239999999998 Transportation charges for conveying the motor from work shop to Pumping Station etc., complete and as directed by TWAD Board officers itemH1325 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.13349999999999 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 TWAD Board officers itemH1336 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.13459999999998 OWS Pumpsets & Motors itemH1347 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.13469999999998 Attending the Repair and Renewal works in Submersible Pumpset itemH1348 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.13479999999998 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 TWAD Board officers itemH1349 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.13589999999999 6 HP itemH1360 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.13649999999998 Transporting the pumpset from Pump House to work shop etc., complete and as directed by TWAD Board officers itemH1366 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.13819999999999 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 TWAD Board officers itemH1383 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.13989999999999 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 TWAD Board officers itemH1400 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.14159999999998 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material etc., complete and as directed by TWAD Board officers itemH1417 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.14229999999998 10 HP itemH1424 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.14329999999998 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc., complete and as directed by TWAD Board officers itemH1434 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.14339999999998 60 HP itemH1435 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.14499999999998 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 TWAD Board officers itemH1451 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.14509999999998 60 HP itemH1452 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.14669999999998 Towards the charges for attending the repair works in Star Delta Starter itemH1468 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.14679999999998 Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter etc., complete and as directed by TWAD Board officers itemH1469 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.14689999999998 60 HP itemH1470 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.14789999999998 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete etc., complete and as directed by TWAD Board officers itemH1480 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.14799999999998 60 HP itemH1481 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.14899999999998 Supply and Delivery of PLA Safety Relay suitable for the starter etc., complete and as directed by TWAD Board officers itemH1491 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.14909999999998 60 HP itemH1492 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.15009999999998 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers. itemH1502 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.15019999999998 60 HP itemH1503 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.15119999999998 Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers. itemH1513 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.15129999999998 60 HP itemH1514 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.15229999999998 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete etc., complete and as directed by TWAD Board officers itemH1524 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.15239999999998 60 HP itemH1525 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.15339999999998 Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers. itemH1535 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.15349999999998 25 HP itemH1536 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.15419999999998 Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers. itemH1543 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.15459999999998 Supply and Delivery of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers. itemH1547 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.15499999999998 Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers. itemH1551 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.15509999999998 60 HP itemH1552 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.15609999999998 Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH1562 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.15619999999998 60 HP itemH1563 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.15719999999998 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter etc., complete and as directed by TWAD Board officers itemH1573 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.15729999999998 60 HP itemH1574 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.15829999999998 Towards the charges for attending the repair works in DOL Starter itemH1584 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.15839999999998 Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter etc., complete and as directed by TWAD Board officers itemH1585 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.15849999999998 7 HP itemH1586 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.15919999999998 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete and as directed by TWAD Board officers itemH1593 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.15929999999998 7 HP itemH1594 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.15999999999998 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete and as directed by TWAD Board officers itemH1601 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.16009999999998 7 HP itemH1602 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.16079999999998 Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH1609 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.16089999999998 7 HP itemH1610 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.16159999999998 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter etc., complete and as directed by TWAD Board officers itemH1617 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.16169999999998 7 HP itemH1618 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.16239999999998 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH1625 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.16249999999998 Vanniya Nagar WTP 7.25 LL itemH1626 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.16569999999998 Sadayampalayam New 2.20 LL itemH1658 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.16779999999998 327 Vaikundam 1.05 LL itemH1679 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.17179999999998 For a period from 01.04.2028 to 31.03.2029 itemH1719 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.17189999999998 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. itemH1720 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.17199999999998 Attending DI pipe lines itemH1721 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.17209999999998 Burst Pipe replacement itemH1722 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.17309999999998 Leak-single MJ Collar itemH1732 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.17409999999998 Leak- cut Barrel & MJ Collar itemH1742 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.17419999999998 500 mm DI Pipe itemH1743 0.000 No Excess(+) Full Conversion INR 1 Job (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.17509999999998 Leak- specials Cement Joint itemH1752 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.17609999999998 Leak-Gasket Joint itemH1762 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.17709999999998 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. itemH1772 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.17719999999998 ATTENDING BURST IN AC PIPE LINES itemH1773 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.17729999999998 Using MS Step Collar Leak itemH1774 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.17759999999998 Using MS barrel pipe itemH1777 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.17789999999998 AC pipe coupler burst using MS plain coller itemH1780 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.17819999999998 AC pipe coupler leak itemH1783 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.17849999999998 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. itemH1786 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.17859999999998 ATTENDING BURST IN PSC PIPE LINES itemH1787 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.17869999999998 USING MS STEP COLLAR itemH1788 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.17919999999998 USING MS BARREL PIPE itemH1793 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.17969999999998 PSC pipe leak using MS plain coller itemH1798 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.18019999999998 PSC Cement joint leak itemH1803 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.18059999999998 1000mm PSC pipe itemH1807 0.000 No Excess(+) Full Conversion INR 1 Job (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.18069999999998 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. itemH1808 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.18079999999998 ATTENDING HDPE PIPE LINES itemH1809 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.18089999999998 LEAK HDPE FUSION JOINT itemH1810 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.18189999999998 LEAK HDPE COUPLER JOINT itemH1820 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.18289999999998 BURST HDPE itemH1830 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.18389999999998 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. itemH1840 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.18399999999998 ATTENDING PVC PIPE LINES - LEAK PVC itemH1841 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.18409999999998 Leak PVC itemH1842 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.18479999999998 Burst in PVC Pipes itemH1849 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.18549999999998 Towards the charges for attending Repair and Reconditioning of various size of Sluice Valves itemH1856 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.18559999999998 Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials. itemH1857 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.18629999999998 Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc., itemH1864 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.18699999999998 Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials and as directed by the TWAD Board officers itemH1871 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.18709999999998 Sluice Valve - 80 mm itemH1872 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.18769999999998 Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials and as directed by TWAD borad officers itemH1878 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.18839999999998 Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,and as directed by TWAD borad officers itemH1885 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.18909999999998 Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lathe work etc.,and as directed by TWAD borad officers itemH1892 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.18979999999998 Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete and as directed by the departmental Officers itemH1899 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.19049999999998 Replacement of non functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete and as directed by the departmental Officers itemH1906 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.19099999999998 Supply and delivery of the following G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications at the site of work to carryout the general maintenance works etc., complete and as directed by TWAD Board officers itemH1911 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.19149999999998 VT Pumpset itemH1916 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.19159999999998 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH1917 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.19169999999998 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 etc., complete and as directed by TWAD Board officers itemH1918 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19189999999998 Charges for removing the all Column pipes of VT Pumpset each 1.5 m / 2.00 m to length and bowl assemblly for attending Pump repair works etc., complete and as directed by TWAD Board officers itemH1920 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.19209999999998 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 etc., complete and as directed by TWAD Board officers itemH1922 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.19229999999998 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 etc., complete and as directed by TWAD Board officers. itemH1924 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.19249999999998 Charges for Lathe work of reconditioning of Pump SS Shaft with balancing, SS Bushes and sleeves, charges for Spider bore nd 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 allignment etc., complete and as directed by TWAD Board officers itemH1926 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.19269999999998 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 etc., complete and as directed by TWAD Board officers itemH1928 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19299999999998 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 etc., complete and as directed by TWAD Board officers itemH1931 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.19319999999998 VT Pumpset itemH1933 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.19329999999998 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH1934 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.19339999999998 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) etc., complete and as directed by TWAD Board officers itemH1935 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.19349999999998 380 HP VT itemH1936 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19359999999998 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) etc., complete and as directed by TWAD Board officers itemH1937 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19379999999998 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly etc., complete and as directed by TWAD Board officers itemH1939 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.19399999999998 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH1941 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19419999999998 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete) etc., complete and as directed by TWAD Board officers itemH1943 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.19439999999998 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH1945 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19459999999998 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH1947 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.19479999999998 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH1949 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.19499999999998 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH1951 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.19519999999998 Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset itemH1953 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.19539999999998 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers itemH1955 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19559999999998 Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH1957 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.19579999999998 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers itemH1959 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19599999999998 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components etc., complete and as directed by TWAD Board officers itemH1961 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.19619999999998 VT Motor itemH1963 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19629999999998 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH1964 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19639999999998 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 TWAD Board officers itemH1965 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.19659999999998 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges etc., complete and as directed by TWAD Board officers itemH1967 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.19679999999998 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 TWAD Board officers itemH1969 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19699999999998 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 TWAD Board officers itemH1971 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.19719999999998 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc., complete and as directed by TWAD Board officers itemH1973 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19739999999998 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 TWAD Board officers itemH1975 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.19759999999998 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH1977 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.19779999999998 Transportation charges for conveying the motor from work shop to pumping Station etc., complete and as directed by TWAD Board officers itemH1979 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.19799999999998 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 TWAD Board officers itemH1981 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.19819999999998 HSC Pumpsets itemH1983 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19829999999998 Attending the Repair and Replacement of bearings in various HSC Pump itemH1984 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.19839999999998 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 etc., complete and as directed by TWAD Board officers itemH1985 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.19949999999998 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges etc., complete and as directed by TWAD Board officers itemH1996 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.19979999999998 110 HP itemH1999 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.20059999999998 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings etc., complete and as directed by TWAD Board officers itemH2007 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.20169999999998 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 etc., complete and as directed by TWAD Board officers, itemH2018 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.20279999999998 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials etc., complete and as directed by TWAD Board officers itemH2029 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.20389999999998 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine etc., complete and as directed by TWAD Board officers itemH2040 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.20499999999998 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials etc., complete and as directed by TWAD Board officers itemH2051 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.20609999999998 Supply and delivery of Driven End and Non Driven End bearings etc., complete and as directed by TWAD Board officers itemH2062 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.20619999999998 220 HP itemH2063 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.20719999999998 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH2073 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.20829999999998 Transportation charges for conveying the Pump assembly from work shop to Pumping Station etc., complete and as directed by TWAD Board officers itemH2084 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.20939999999998 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc., complete and as directed by TWAD Board officers itemH2095 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.21049999999998 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH2106 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.21059999999998 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 TWAD Board officers itemH2107 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.21169999999998 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 TWAD Board officers itemH2118 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.21279999999998 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 TWAD Board officers itemH2129 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.21389999999998 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 TWAD Board officers itemH2140 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.21499999999998 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 TWAD Board officers itemH2151 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.21609999999998 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor etc., complete and as directed by TWAD Board officers itemH2162 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.21719999999998 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH2173 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.21829999999998 Transportation charges for conveying the motor from work shop to Pumping Station etc., complete and as directed by TWAD Board officers itemH2184 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.21939999999998 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 TWAD Board officers itemH2195 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.22049999999998 OWS Pumpsets & Motors itemH2206 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.22059999999998 Attending the Repair and Renewal works in Submersible Pumpset itemH2207 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.22069999999998 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 TWAD Board officers itemH2208 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.22239999999998 Transporting the pumpset from Pump House to work shop etc., complete and as directed by TWAD Board officers itemH2225 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.22409999999998 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 TWAD Board officers itemH2242 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.22579999999997 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 TWAD Board officers itemH2259 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.22749999999997 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material etc., complete and as directed by TWAD Board officers itemH2276 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.22919999999997 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc., complete and as directed by TWAD Board officers itemH2293 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.23089999999998 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 TWAD Board officers itemH2310 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.23169999999997 8 HP itemH2318 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.23259999999997 Towards the charges for attending the repair works in Star Delta Starter itemH2327 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.23269999999997 Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter etc., complete and as directed by TWAD Board officers itemH2328 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.23379999999997 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete etc., complete and as directed by TWAD Board officers itemH2339 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.23489999999997 Supply and Delivery of PLA Safety Relay suitable for the starter etc., complete and as directed by TWAD Board officers itemH2350 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.23599999999997 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers. itemH2361 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.23709999999997 Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers. itemH2372 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.23809999999997 7.5 HP itemH2382 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.23819999999997 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete etc., complete and as directed by TWAD Board officers itemH2383 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.23929999999997 Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers. itemH2394 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.24009999999997 Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers. itemH2402 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.24049999999997 Supply and Delivery of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers. itemH2406 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.24089999999997 Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers. itemH2410 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.24199999999997 Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH2421 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.24309999999997 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter etc., complete and as directed by TWAD Board officers itemH2432 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.24419999999997 Towards the charges for attending the repair works in DOL Starter itemH2443 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.24429999999997 Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter etc., complete and as directed by TWAD Board officers itemH2444 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.24449999999997 6 HP itemH2446 0.000 No. Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.24509999999997 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete and as directed by TWAD Board officers itemH2452 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.24589999999997 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete and as directed by TWAD Board officers itemH2460 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.24669999999997 Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH2468 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

1.24749999999997 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter etc., complete and as directed by TWAD Board officers itemH2476 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.24829999999997 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH2484 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.25089999999997 Samudram Wayside 1.20 LL itemH2510 0.000 Nos. Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.25769999999997 Cost of Chemicals itemH2578 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

1.25779999999997 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. itemH2579 Standard Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

1.25819999999997 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. itemH2583 Standard Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

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

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

Name of Work: Operation and maintenance of the following 4 Nos of CWSS in Salem and Namakkal Districts under Maintenance Division, Edappadi including repairs, rectification works and supply of Chemicals for three years period from 2023-2024 to 2025-2026 - PACKAGE 2

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 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

0.00000 Part : 2 - Operation and maintenance of CWSS to 378 Rural Habitations in Edappadi, Konganapuram and Magudanchavadi Unions of Salem District including repairs, rectification works and supply of Chemicals for three years for the period from 01.07.2023 to 31.03.2026 (2023-2026). itemH1 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

0.84000 Operation and Maintenance of CWSS itemH1Code1 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00002 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 . code1.02 Standard Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.52000 For a period from 01.04.2026 to 31.03.2027 itemH1Code2 0.000 ML Excess(+) Full Conversion INR 1 ML (One Million Litres) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00006 Repairs and Renewals for the period 01.04.2026 to 31.03.2027 itemH1Code5 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.88000 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. code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00008 Type of Leak-Cement Joint itemH1Code2 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.23999 Type of Leak-Gasket Joint code1.02 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00014 Type of Leak-Burst Pipe replacement itemH1Code4 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.27999 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. itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00018 Leak in PVC Pipes itemH1Code3 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.71999 Burst in PVC Pipes itemH1Code5 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00048 Repair / Reconditioning of Gun Metal Valves itemH1Code2 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.16000 Replacement of Jobn functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00054 Repair / Reconditioning of Air valves itemH1Code3 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.20000 Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.55999 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump - 75 HP itemH1Code4 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.59999 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 code1.02 0.000 Job Special Specification Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00068 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump - 75 HP itemH1Code4 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.72000 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH1Code4 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.12000 Attending the Repair and Replacement of bearings in various HSC Pump - 40 HP itemH1Code5 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.20000 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) - 40 HP itemH1Code4 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.60000 Attending the Repair and Renewal works in Submersible Pumpset itemH1Code5 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00116000000001 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.68000 Transporting the pumpset from Pump House to work shop. itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.36000 20 HP itemH1Code5 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00138000000001 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. code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.16000 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc., itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00160000000001 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.64000 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works. code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00182000000001 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. itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.12000 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00194000000001 Clear Water sump at Karattupudur - 1.00 LL itemH1Code2 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00228000000001 DOL Starter for O.W Submersible Pumpset itemH1Code3 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.36000 Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00232000000002 Replacement of required capacity moving kit of Contactor, and Job Volt Coil suitable for the starter including the cost of materials etc., complete itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.40000 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00238000000002 Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.44000 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00244000000002 Attending the repair works in Auto Transformer Starter From 7.50 HP to 15.00 HP code1.02 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.80000 Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete., and as directed by TWAD Board officers. itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00250000000002 Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.20000 Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.88000 10 HP itemH1Code5 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00260000000002 Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.60000 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00270000000002 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH1Code5 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.00000 Attending the repair works in Auto Transformer Starter From 20.00 HP to 30.00 HP itemH1Code5 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00276000000002 Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers. itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00280000000002 Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00284000000002 Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00288000000002 Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter itemH1Code5 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00292000000002 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00296000000002 Supply and Delivery of PLA Safety Relay suitable for the starter itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00300000000002 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers. itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00304000000002 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00308000000002 Repairs and Renewals for the period 01.04.2027 to 31.03.2028 itemH1Code2 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.56000 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. itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00310000000002 Type of Leak-Cement Joint itemH1Code4 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.92000 Type of Leak-Gasket Joint itemH1Code3 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00316000000002 Type of Leak-Burst Pipe replacement code1.02 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.96000 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. itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00320000000002 Leak in PVC Pipes code1.02 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.40000 Burst in PVC Pipes itemH1Code2 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00350000000002 Repair / Reconditioning of Gun Metal Valves itemH1Code4 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.84000 Replacement of Jobn functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete itemH1Code5 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00356000000002 Repair / Reconditioning of Air valves code1.02 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.88000 Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.24000 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump - 75 HP code1.02 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00370000000002 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump - 75 HP itemH1Code5 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.40000 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH1Code2 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.80000 Attending the Repair and Replacement of bearings in various HSC Pump - 40 HP itemH1Code3 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.88000 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) - 40 HP code1.02 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.28000 Attending the Repair and Renewal works in Submersible Pumpset itemH1Code2 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00418000000003 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.36000 Transporting the pumpset from Pump House to work shop. code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00440000000003 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. itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.84000 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc., itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00462000000003 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.32000 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works. itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00484000000003 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. code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.80000 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00512000000003 Madeswaran kovil sump - 0.55 LL code1.02 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00530000000003 DOL Starter for O.W Submersible Pumpset itemH1Code5 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.04000 Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00534000000003 Replacement of required capacity moving kit of Contactor, and Job Volt Coil suitable for the starter including the cost of materials etc., complete itemH1Code5 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.08000 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00540000000004 Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.12000 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH1Code5 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00546000000004 Attending the repair works in Auto Transformer Starter From 7.50 HP to 15.00 HP itemH1Code3 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.48000 Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete., and as directed by TWAD Board officers. itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00552000000004 Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station itemH1Code5 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.88000 Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00562000000004 Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.28000 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00572000000004 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00576000000004 15 HP itemH1Code2 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.68000 Attending the repair works in Auto Transformer Starter From 20.00 HP to 30.00 HP itemH1Code3 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00578000000004 Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers. itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00582000000004 Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00586000000004 Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00590000000004 Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00594000000004 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00598000000004 Supply and Delivery of PLA Safety Relay suitable for the starter code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00602000000004 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers. itemH1Code5 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00606000000004 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH1Code5 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00610000000004 For a period from 01.04.2028 to 31.03.2029 itemH1Code4 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.24000 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. code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00612000000004 Type of Leak-Cement Joint itemH1Code2 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.60000 Type of Leak-Gasket Joint itemH1Code5 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00618000000004 Type of Leak-Burst Pipe replacement itemH1Code3 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.64000 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. itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00622000000004 Leak in PVC Pipes itemH1Code3 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.08000 Burst in PVC Pipes itemH1Code4 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00640000000004 75 mm OD PVC - 4 Ksc Pipe itemH1Code3 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00652000000004 Repair / Reconditioning of Gun Metal Valves code1.02 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.52000 Replacement of Jobn functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00658000000004 Repair / Reconditioning of Air valves itemH1Code2 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.56000 Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.92000 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump - 75 HP itemH1Code2 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00672000000004 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump - 75 HP itemH1Code2 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.08000 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH1Code4 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.48000 Attending the Repair and Replacement of bearings in various HSC Pump - 40 HP itemH1Code5 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00704000000005 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials itemH1Code3 0.000 Job Special Specification Excess(+) Full Conversion INR 1 Job (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.56000 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) - 40 HP itemH1Code3 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.96000 Attending the Repair and Renewal works in Submersible Pumpset itemH1Code4 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00720000000005 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.04000 Transporting the pumpset from Pump House to work shop. itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00742000000005 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. itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.52000 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc., code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00764000000005 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00768000000005 10 HP itemH1Code3 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.00000 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works. code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00786000000005 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. itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.48000 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH1Code5 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00832000000005 DOL Starter for O.W Submersible Pumpset itemH1Code3 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.72000 Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00834000000005 3 HP itemH1Code5 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00836000000005 Replacement of required capacity moving kit of Contactor, and Job Volt Coil suitable for the starter including the cost of materials etc., complete itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.76000 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH1Code5 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00842000000006 Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.80000 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00848000000006 Attending the repair works in Auto Transformer Starter From 7.50 HP to 15.00 HP code1.02 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

0.16000 Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete., and as directed by TWAD Board officers. itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00854000000006 Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.56000 Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00864000000006 Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.96000 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00874000000006 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.36000 Attending the repair works in Auto Transformer Starter From 20.00 HP to 30.00 HP itemH1Code5 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00880000000006 Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers. code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00884000000006 Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station code1.02 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00888000000006 Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete itemH1Code5 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00892000000006 Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

2.00896000000006 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH1Code4 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

0.48000 20 HP itemH1Code5 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

2.00900000000006 Supply and Delivery of PLA Safety Relay suitable for the starter itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00904000000006 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers. itemH1Code3 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.00908000000006 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH1Code2 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.00912000000006 Cost of Chemicals itemH1Code2 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.92000 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. itemH1Code3 Standard Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

0.28000 Supply and delivery of Alum (Sulphate of Alumino Ferric) required for Water Treatment Plants confirming to IS specification 299/1980 and as amended from time to time for delivery at anywhere in Coimbatore District including loading, freight, unloading, transit, insurance and all other incidental charges. itemH1Code2 Standard Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

0.64000 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. itemH1Code2 Standard 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 4 Nos of CWSS in Salem and Namakkal Districts under Maintenance Division, Edappadi including repairs, rectification works and supply of Chemicals for three years period from 2023-2024 to 2025-2026 - PACKAGE 2

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 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

0.0000 Part : 3 - Operation and Maintenance of CWSS to Sankari and Thevoor Town Panchayats and 245 way side habitations in Sankari Union in Salem District including repairs, rectification works and supply of Chemicals for three years for the period from 01.07.2023 to 31.03.2026 (2023-2026). itemH1 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

3.0001 Operation and Maintenance of CWSS itemH2 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.0002 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 Standard Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.0003 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

3.0006 Repairs and Renewals for the period 01.04.2026 to 31.03.2027 itemH7 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.0007 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. itemH8 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.0008 Type of Leak-Cement Joint itemH9 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.001 Type of Leak-Gasket Joint itemH11 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.0012 Type of Leak-Burst Pipe replacement itemH13 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.0014 Type of Leak-Using MJ Collar itemH15 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.0016 Type of Leak-Barrel with MJ Collar itemH17 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.0018 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (AC pipe) of CWSS including earth work excavation in all type of strata, cost of de-watering from the trenches, jointing with cement mortar and spun yarn , fixing up of MS Split up collar and Welding of cracks in AC Pipes wherever necessary and refilling the trench after attending the leaks/bursts etc., complete within the time frame as specified in the Special conditions of Contract and as directed by TWAD Board officers. itemH19 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.0019 Step Collar Leak itemH20 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.0023 Plain Collar MS itemH24 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.00269999999999 Plain Collar itemH28 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.00309999999999 Cement Joint itemH32 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.00349999999999 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. itemH36 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.00359999999999 BURST IN PSC PIPE LINE WITH MS PIPE USING MS BARREL itemH37 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.00399999999999 LEAK & BURST IN PSC PIPE LINES USING PLAIN COLLAR itemH41 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.00439999999999 BURST IN PSC PIPE LINES USING MS STEP COLLAR itemH45 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.00479999999999 LEAK & BURST IN PSC PIPE LINES USING CEMENT JOINT itemH49 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.00519999999999 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. itemH53 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.00529999999999 LEAK IN HDPE FUSION JOINT itemH54 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.00629999999999 LEAK IN HDPE COUPLER JOINT itemH64 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.00649999999999 75 mm HDPE - PN 6 Pipe itemH66 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.00729999999998 BURST IN HDPE FUSION JOINT itemH74 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.00829999999998 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. itemH84 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.00839999999998 Leak in PVC Pipes itemH85 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.00909999999998 Burst in PVC Pipes itemH92 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.00979999999998 Repair / Reconditioning of Gun Metal Valves itemH99 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.00989999999998 Replacement of Jobn functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete itemH100 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.01039999999998 Repair / Reconditioning of Air valves itemH105 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.01049999999998 Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete itemH106 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.01089999999998 Attending the Repair and Replacement of bearings in various HSC Pump itemH110 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.01099999999997 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. itemH111 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.01129999999997 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges. itemH114 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.01159999999997 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings itemH117 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01189999999997 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and Jobn driven end bearing seating, knurling, bend checking and etc., itemH120 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.01219999999997 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials itemH123 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.01249999999997 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine itemH126 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01279999999997 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials itemH129 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.01289999999997 30 HP itemH130 0.000 No. Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01309999999997 Supply and delivery of Driven End and Jobn Driven End bearings itemH132 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.01339999999997 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials itemH135 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01369999999997 Transportation charges for conveying the Pump assembly from work shop to Pumping Station. itemH138 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.01399999999997 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc., itemH141 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.01429999999997 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH144 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01439999999997 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials. itemH145 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.01469999999997 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges. itemH148 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01499999999997 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and Jobn driven end bearings. itemH151 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.01529999999996 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 itemH154 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01559999999996 Labour Charges for reconditioning the worn out shaft for driven end and Jobn driven end bearing seating, knurling, bend checking, and etc., itemH157 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.01589999999996 Supply and delivery of Driven End and Jobn Driven End bearings suitable for the required Induction Motor itemH160 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.01619999999996 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials itemH163 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01649999999996 Transportation charges for conveying the motor from work shop to Pumping Station itemH166 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.01679999999996 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., itemH169 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.01709999999996 Attending the Repair and Renewal works in Submersible Pumpset itemH172 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01719999999996 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings itemH173 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.01759999999996 Transporting the pumpset from Pump House to work shop. itemH177 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.01799999999996 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. itemH181 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01839999999996 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc., itemH185 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01879999999996 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material itemH189 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01919999999996 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works. itemH193 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.01929999999996 15 HP itemH194 0.000 No. Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.01959999999995 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. itemH197 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.01999999999995 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH201 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.02179999999995 DOL Starter for O.W Submersible Pumpset itemH219 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.02189999999995 Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter itemH220 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.02219999999995 Replacement of required capacity moving kit of Contactor, and Job Volt Coil suitable for the starter including the cost of materials etc., complete itemH223 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.02249999999995 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH226 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.02279999999995 Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH229 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.02309999999995 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH232 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.02339999999995 Star Delta Starter for 10 HP O.W Submersible Pumpset itemH235 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.02449999999994 For a period from 01.04.2027 to 31.03.2028 itemH246 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.02459999999994 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. itemH247 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.02469999999994 Type of Leak-Cement Joint itemH248 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.02489999999994 Type of Leak-Gasket Joint itemH250 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.02509999999994 Type of Leak-Burst Pipe replacement itemH252 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.02529999999994 Type of Leak-Using MJ Collar itemH254 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.02549999999994 Type of Leak-Barrel with MJ Collar itemH256 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.02569999999994 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (AC pipe) of CWSS including earth work excavation in all type of strata, cost of de-watering from the trenches, jointing with cement mortar and spun yarn , fixing up of MS Split up collar and Welding of cracks in AC Pipes wherever necessary and refilling the trench after attending the leaks/bursts etc., complete within the time frame as specified in the Special conditions of Contract and as directed by TWAD Board officers. itemH258 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.02579999999994 Step Collar Leak itemH259 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.02589999999994 150 mm AC pipe itemH260 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.02619999999994 Plain Collar MS itemH263 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.02659999999994 Plain Collar itemH267 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.02699999999994 Cement Joint itemH271 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.02739999999994 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. itemH275 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.02749999999994 BURST IN PSC PIPE LINE WITH MS PIPE USING MS BARREL itemH276 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.02789999999994 LEAK & BURST IN PSC PIPE LINES USING PLAIN COLLAR itemH280 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.02829999999993 BURST IN PSC PIPE LINES USING MS STEP COLLAR itemH284 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.02869999999993 LEAK & BURST IN PSC PIPE LINES USING CEMENT JOINT itemH288 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.02909999999993 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. itemH292 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.02919999999993 LEAK IN HDPE FUSION JOINT itemH293 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.03019999999993 LEAK IN HDPE COUPLER JOINT itemH303 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.03119999999993 BURST IN HDPE FUSION JOINT itemH313 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.03219999999993 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. itemH323 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.03229999999993 Leak in PVC Pipes itemH324 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.03299999999992 Burst in PVC Pipes itemH331 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.03369999999992 Repair / Reconditioning of Gun Metal Valves itemH338 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.03379999999992 Replacement of Jobn functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete itemH339 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.03429999999992 Repair / Reconditioning of Air valves itemH344 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.03439999999992 Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete itemH345 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.03479999999992 Attending the Repair and Replacement of bearings in various HSC Pump itemH349 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.03489999999992 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. itemH350 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.03519999999992 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges. itemH353 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.03549999999992 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings itemH356 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.03579999999992 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and Jobn driven end bearing seating, knurling, bend checking and etc., itemH359 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.03609999999992 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials itemH362 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.03639999999992 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine itemH365 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.03669999999991 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials itemH368 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.03699999999991 Supply and delivery of Driven End and Jobn Driven End bearings itemH371 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.03729999999991 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials itemH374 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.03759999999991 Transportation charges for conveying the Pump assembly from work shop to Pumping Station. itemH377 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.03789999999991 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc., itemH380 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.03819999999991 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH383 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.03829999999991 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials. itemH384 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.03859999999991 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges. itemH387 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.03889999999991 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and Jobn driven end bearings. itemH390 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.03919999999991 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 itemH393 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.03949999999991 Labour Charges for reconditioning the worn out shaft for driven end and Jobn driven end bearing seating, knurling, bend checking, and etc., itemH396 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.03979999999991 Supply and delivery of Driven End and Jobn Driven End bearings suitable for the required Induction Motor itemH399 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.04009999999991 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials itemH402 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.04039999999991 Transportation charges for conveying the motor from work shop to Pumping Station itemH405 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.04069999999991 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., itemH408 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.0409999999999 Attending the Repair and Renewal works in Submersible Pumpset itemH411 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.0410999999999 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings itemH412 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.0414999999999 Transporting the pumpset from Pump House to work shop. itemH416 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.0418999999999 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. itemH420 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.0422999999999 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc., itemH424 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.0426999999999 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material itemH428 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.0430999999999 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works. itemH432 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.0434999999999 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. itemH436 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.0438999999999 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH440 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.04569999999989 DOL Starter for O.W Submersible Pumpset itemH458 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.04579999999989 Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter itemH459 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.04609999999989 Replacement of required capacity moving kit of Contactor, and Job Volt Coil suitable for the starter including the cost of materials etc., complete itemH462 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.04639999999989 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH465 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.04669999999989 Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH468 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.04699999999989 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH471 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.04729999999989 Star Delta Starter for 10 HP O.W Submersible Pumpset itemH474 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.04839999999989 For a period from 01.04.2028 to 31.03.2029 itemH485 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.04849999999989 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. itemH486 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.04859999999989 Type of Leak-Cement Joint itemH487 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.04879999999989 Type of Leak-Gasket Joint itemH489 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.04899999999989 Type of Leak-Burst Pipe replacement itemH491 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.04919999999989 Type of Leak-Using MJ Collar itemH493 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.04939999999989 Type of Leak-Barrel with MJ Collar itemH495 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.04959999999988 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (AC pipe) of CWSS including earth work excavation in all type of strata, cost of de-watering from the trenches, jointing with cement mortar and spun yarn , fixing up of MS Split up collar and Welding of cracks in AC Pipes wherever necessary and refilling the trench after attending the leaks/bursts etc., complete within the time frame as specified in the Special conditions of Contract and as directed by TWAD Board officers. itemH497 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.04969999999988 Step Collar Leak itemH498 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.05009999999988 Plain Collar MS itemH502 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.05049999999988 Plain Collar itemH506 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.05089999999988 Cement Joint itemH510 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.05119999999988 250 mm AC pipe itemH513 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.05129999999988 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. itemH514 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.05139999999988 BURST IN PSC PIPE LINE WITH MS PIPE USING MS BARREL itemH515 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.05179999999988 LEAK & BURST IN PSC PIPE LINES USING PLAIN COLLAR itemH519 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.05219999999988 BURST IN PSC PIPE LINES USING MS STEP COLLAR itemH523 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.05259999999988 LEAK & BURST IN PSC PIPE LINES USING CEMENT JOINT itemH527 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.05299999999988 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. itemH531 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.05309999999988 LEAK IN HDPE FUSION JOINT itemH532 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.05409999999987 LEAK IN HDPE COUPLER JOINT itemH542 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.05509999999987 BURST IN HDPE FUSION JOINT itemH552 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.05609999999987 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. itemH562 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.05619999999987 Leak in PVC Pipes itemH563 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.05689999999987 Burst in PVC Pipes itemH570 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.05759999999987 Repair / Reconditioning of Gun Metal Valves itemH577 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.05769999999987 Replacement of Jobn functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete itemH578 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.05779999999987 50 mm Gun Metal Valve itemH579 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.05819999999986 Repair / Reconditioning of Air valves itemH583 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.05829999999986 Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete itemH584 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.05869999999986 Attending the Repair and Replacement of bearings in various HSC Pump itemH588 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.05879999999986 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 itemH589 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.05929999999986 Charges for removing the all Column pipes of VT Pumpset each 1.5 m / 2.00 m to length and bowl assemblly for attending Pump repair works itemH594 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.05979999999986 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 itemH599 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.06029999999986 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 etc., complete. itemH604 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.06079999999986 Charges for Lathe work of reconditioning of Pump SS Shaft with balancing, SS Bushes and sleeves, charges for Spider bore nd 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 allignment etc complete itemH609 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.06129999999986 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 itemH614 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.06179999999986 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 itemH619 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.06229999999986 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 etc.,Complete itemH624 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.06279999999985 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH629 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.06289999999985 Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) itemH630 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.06319999999985 Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) itemH633 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.06349999999985 Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly itemH636 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.06379999999985 Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers. itemH639 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.06399999999985 170 HP itemH641 0.000 No. Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.06409999999985 Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete) itemH642 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.06439999999985 Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH645 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.06469999999985 Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH648 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.06499999999985 Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers. itemH651 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.06529999999985 Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers. itemH654 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.06559999999985 Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset itemH657 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.06589999999985 Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers itemH660 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.06619999999985 Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers itemH663 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.06649999999985 Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers itemH666 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.06679999999984 Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components itemH669 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.06709999999984 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH672 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.06719999999984 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials. itemH673 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.06769999999984 Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges. itemH678 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.06819999999984 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. itemH683 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.06869999999984 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 itemH688 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.06919999999984 Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc., itemH693 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.06969999999984 Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor. itemH698 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.07019999999984 Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials itemH703 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.07039999999984 170 HP itemH705 0.000 No. Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.07069999999984 Transportation charges for conveying the motor from work shop to pumping Station itemH708 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.07119999999983 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., itemH713 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.07169999999983 Attending the Repair and Replacement of bearings in various HSC Pump itemH718 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.07179999999983 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. itemH719 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.07219999999983 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges. itemH723 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.07259999999983 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings itemH727 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.07299999999983 Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and Jobn driven end bearing seating, knurling, bend checking and etc., itemH731 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.07339999999983 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials itemH735 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.07379999999983 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine itemH739 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.07419999999983 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials itemH743 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.07459999999983 Supply and delivery of Driven End and Jobn Driven End bearings itemH747 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.07499999999983 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials itemH751 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.07539999999982 Transportation charges for conveying the Pump assembly from work shop to Pumping Station. itemH755 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.07579999999982 Transportation charges for conveying the Pump assembly from work shop to Pumping Station. itemH759 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.07619999999982 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH763 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.07629999999982 Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials. itemH764 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.07669999999982 Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges. itemH768 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.07679999999982 110 HP itemH769 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.07709999999982 Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and Jobn driven end bearings. itemH772 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.07749999999982 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 itemH776 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.07789999999982 Labour Charges for reconditioning the worn out shaft for driven end and Jobn driven end bearing seating, knurling, bend checking, and etc., itemH780 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.07829999999982 Supply and delivery of Driven End and Jobn Driven End bearings suitable for the required Induction Motor itemH784 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.07869999999982 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials itemH788 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.07909999999982 Transportation charges for conveying the motor from work shop to Pumping Station itemH792 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.07949999999982 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., itemH796 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.07989999999981 Attending the Repair and Renewal works in Submersible Pumpset itemH800 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.07999999999981 Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings itemH801 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.08069999999981 Transporting the pumpset from Pump House to work shop. itemH808 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.08139999999981 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. itemH815 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.08209999999981 Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc., itemH822 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.08279999999981 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material itemH829 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.08319999999981 5 HP itemH833 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.08349999999981 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works. itemH836 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.0841999999998 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. itemH843 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.0848999999998 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH850 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.0866999999998 DOL Starter for O.W Submersible Pumpset itemH868 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.0867999999998 Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter itemH869 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.0870999999998 Replacement of required capacity moving kit of Contactor, and Job Volt Coil suitable for the starter including the cost of materials etc., complete itemH872 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.0873999999998 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH875 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.0876999999998 Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH878 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.0879999999998 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH881 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

3.08829999999979 Star Delta Starter for 10 HP O.W Submersible Pumpset itemH884 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.08939999999979 Cost of Chemicals itemH895 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.08949999999979 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. itemH896 Standard Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

3.08959999999979 For a period from 01.04.2026 to 31.03.2027 itemH897 0.000 MT Excess(+) Full Conversion INR 1 MT (One Metric Tonne) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

3.08989999999979 Supply and delivery of Alum (Sulphate of Alumino Ferric) required for Water Treatment Plants confirming to IS specification 299/1980 and as amended from time to time for delivery at anywhere in Coimbatore District including loading, freight, unloading, transit, insurance and all other incidental charges. itemH900 Standard Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

3.09029999999979 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. itemH904 Standard 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 4 Nos of CWSS in Salem and Namakkal Districts under Maintenance Division, Edappadi including repairs, rectification works and supply of Chemicals for three years period from 2023-2024 to 2025-2026 - PACKAGE 2

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

0.0000 Part : 4 - ANNUAL MAINTENANCE ESTIMATE FOR OPERATION & MAINTENANCE OF CWSS TO EDAPPADY - RASIPURAM MUNICIPALITIES 5 OTHER TOWN PANCHAYATS AND 580 RURAL HABITATIONS IN SALEM AND NAMAKKAL DISTRICTS FOR THE YEAR 2026-2027 (FOR THE PERIOD OF 1.4.2026 to 31.3.2027 - 12 MONTHS) itemH1 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

4.0001 Operation and Maintenance of CWSS itemH2 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.0002 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, etc., complete and as directed by TWAD Board officers itemH3 Standard Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.0003 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

4.0006 Repairs and Renewals for the period 01.04.2026 to 31.03.2027 itemH7 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.0007 LEAK & BURST itemH8 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.0008 AC Pipeline itemH9 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.00090000000001 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. itemH10 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.00100000000001 ATTENDING BURST IN AC PIPE LINES itemH11 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.00110000000001 Using MS Step Collar Leak itemH12 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.00140000000001 Using MS barrel pipe itemH15 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.00170000000001 AC pipe coupler burst using MS plain coller itemH18 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.00200000000001 AC pipe coupler leak itemH21 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.00230000000001 DI Pipeline itemH24 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.00240000000001 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. itemH25 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.00250000000002 Attending DI pipe lines itemH26 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.00260000000002 Burst Pipe replacement itemH27 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.00330000000002 Leak-single MJ Collar itemH34 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.00400000000003 Leak- cut Barrel & MJ Collar itemH41 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.00470000000003 Leak- specials Cement Joint itemH48 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.00540000000003 Leak-Gasket Joint itemH55 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.00610000000004 GI Pipeline itemH62 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.00620000000004 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 itemH63 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.00650000000004 80mm GI pipeline itemH66 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.00680000000004 CI Pipeline itemH69 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.00690000000004 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (CI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH70 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.00700000000004 BURST IN CI PIPE LINE BY REPLACING THE ENTIRE PIPE itemH71 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.00730000000005 LEAK IN CI PIPE LINE BY INTRODUCING SINGLE MECHANICAL JOINT COLLARS itemH74 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.00760000000005 LEAK IN CI PIPE LINE BY INTRODUCING CUT BARREL AND MECHANICAL JOINT COLLARS itemH77 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.00790000000005 LEAK IN CI VALVE SPECIALS CEMENT JOINTS itemH80 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.00820000000005 GASKET LEAKS IN CI PIPES TYTON JOINTS itemH83 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.00850000000005 MS Pipeline itemH86 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.00860000000006 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 itemH87 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.00890000000006 PSC Pipeline itemH90 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.00900000000006 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. itemH91 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.00910000000006 ATTENDING BURST IN PSC PIPE LINES itemH92 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.00920000000006 USING MS STEP COLLAR itemH93 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.00950000000006 USING MS BARREL PIPE itemH96 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.00980000000006 PSC pipe leak using MS plain coller itemH99 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.01010000000007 PSC Cement joint leak itemH102 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.01040000000007 HDPE Pipeline itemH105 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.01050000000007 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. itemH106 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.01060000000007 ATTENDING HDPE PIPE LINES itemH107 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.01070000000007 LEAK HDPE FUSION JOINT itemH108 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.01150000000007 LEAK HDPE COUPLER JOINT itemH116 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.01230000000008 BURST HDPE itemH124 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.01290000000008 140 mm HDPE - PN 6 Pipe itemH130 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.01310000000008 PVC Pipeline itemH132 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.01320000000009 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. itemH133 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.01330000000009 ATTENDING PVC PIPE LINES - LEAK PVC itemH134 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.01340000000009 Leak PVC itemH135 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.0149000000001 Burst in PVC Pipes itemH150 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.01640000000011 Repair and Reconditioning itemH165 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.01650000000011 Valves itemH166 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.01660000000011 Sluice valve itemH167 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.01670000000011 Towards the charges for attending Repair and Reconditioning of various size of Sluice Valves itemH168 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.01680000000011 Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials. itemH169 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.01760000000011 Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc., itemH177 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.01840000000012 Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials and as directed by the TWAD Board officers itemH185 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.01920000000012 Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials and as directed by TWAD borad officers itemH193 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.01930000000013 Sluice Valve - 100 mm itemH194 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.02000000000013 Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,and as directed by TWAD borad officers itemH201 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.02080000000014 Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lathe work etc.,and as directed by TWAD borad officers itemH209 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.02160000000014 Air valve itemH217 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.02170000000014 Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete and as directed by the departmental Officers itemH218 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.02220000000014 Gun Metal Gate valve itemH223 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.02230000000015 Replacement of non functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete and as directed by the departmental Officers itemH224 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.02280000000015 Pumpset itemH229 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.02290000000015 Vertical Turbine - Pumpset - Head works, Nedugulam kattur - 215HP itemH230 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.02300000000015 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH231 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.02390000000016 Vertical Turbine - Pumpset - Head works, Nedugulam kattur - 215HP itemH240 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.02400000000016 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH241 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.02550000000017 Vertical Turbine - Head works, Nedugulam kattur 215HP - Motor itemH256 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.02560000000017 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH257 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.02570000000017 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 TWAD Board officers itemH258 0.000 No Special Specification Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.02660000000017 HSC Pumpsets itemH267 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.02670000000017 Attending the Repair and Replacement of bearings in various HSC Pump itemH268 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.02680000000017 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 etc., complete and as directed by TWAD Board officers itemH269 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.02770000000018 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges etc., complete and as directed by TWAD Board officers itemH278 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.02860000000019 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings etc., complete and as directed by TWAD Board officers itemH287 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.02950000000019 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 etc., complete and as directed by TWAD Board officers, itemH296 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.0304000000002 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials etc., complete and as directed by TWAD Board officers itemH305 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.0313000000002 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine etc., complete and as directed by TWAD Board officers itemH314 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.03220000000021 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials etc., complete and as directed by TWAD Board officers itemH323 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.03310000000022 Supply and delivery of Driven End and Non Driven End bearings etc., complete and as directed by TWAD Board officers itemH332 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.03400000000022 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH341 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.03490000000023 Transportation charges for conveying the Pump assembly from work shop to Pumping Station etc., complete and as directed by TWAD Board officers itemH350 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.03580000000023 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc., complete and as directed by TWAD Board officers itemH359 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.03670000000024 HSC Motor itemH368 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.03680000000024 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH369 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.03690000000024 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 TWAD Board officers itemH370 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.03780000000025 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 TWAD Board officers itemH379 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.03870000000025 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 TWAD Board officers itemH388 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.03960000000026 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 TWAD Board officers itemH397 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.04050000000026 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 TWAD Board officers itemH406 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.04140000000027 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor etc., complete and as directed by TWAD Board officers itemH415 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.04230000000028 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH424 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.04320000000028 Transportation charges for conveying the motor from work shop to Pumping Station etc., complete and as directed by TWAD Board officers itemH433 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.04410000000029 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 TWAD Board officers itemH442 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.04500000000029 OWS Pumpsets & Motors itemH451 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.04510000000029 Attending the Repair and Renewal works in Submersible Pumpset itemH452 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.0452000000003 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 TWAD Board officers itemH453 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.0462000000003 Transporting the pumpset from Pump House to work shop etc., complete and as directed by TWAD Board officers itemH463 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.04720000000031 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 TWAD Board officers itemH473 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.04820000000031 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 TWAD Board officers itemH483 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.04920000000032 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material etc., complete and as directed by TWAD Board officers itemH493 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.05020000000033 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc., complete and as directed by TWAD Board officers itemH503 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.05120000000033 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 TWAD Board officers itemH513 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.05130000000034 Open Well Submersible - Pumpset and Motor 2HP itemH514 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.05220000000034 Starter itemH523 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.05230000000034 FCMA Starter itemH524 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.05240000000034 Towards the charges for attending the repair works in FCMA Starter itemH525 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.05250000000034 Labour Charges for removing the Burnt FCMA Coil, After Disconnecting the terminal connection and fixing the FCMA Coil after attending the rewinding work. itemH526 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.05300000000035 Charges for Conveying the FCMA Coil from pumping Station to workshop and Workshop to pumping Station itemH531 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.05350000000035 Labour Charges for Removal of unservicable contactor with all terminal connection suitable for the starter itemH536 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.05400000000035 Labour Charges for Removal of Single Phase Preventer, Timer, CT Coil, Volt Meter, Ammeter, Selector Switch and PLA safety Relay suitable for the starter itemH541 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.05450000000036 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH546 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.05500000000036 Charges for Removing the old wire from the FCMA Coil ,Cleaning, Rewinding of FCMA Coil and supply and delivery of Double Coated Enamel Copper Wire and all insulation materials after deducting old scrap materials etc., complete itemH551 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.05550000000036 Supply and Delivery of PLA Safety Relay suitable for the starter itemH556 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.05600000000037 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers. itemH561 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.05650000000037 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete itemH566 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.05700000000037 Replacement of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers. itemH571 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.05750000000038 Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers. itemH576 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.05760000000038 215 FCMA Starter itemH577 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.05800000000038 Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers. itemH581 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.05850000000038 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH586 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.05900000000039 Star Delta starter itemH591 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.05910000000039 Towards the charges for attending the repair works in Star Delta Starter itemH592 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.05920000000039 Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter etc., complete and as directed by TWAD Board officers itemH593 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.05980000000039 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete etc., complete and as directed by TWAD Board officers itemH599 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.06040000000039 Supply and Delivery of PLA Safety Relay suitable for the starter etc., complete and as directed by TWAD Board officers itemH605 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.0610000000004 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers. itemH611 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.0616000000004 Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers. itemH617 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.06220000000041 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete etc., complete and as directed by TWAD Board officers itemH623 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.06280000000041 Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers. itemH629 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.06340000000041 Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers. itemH635 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.06400000000042 Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH641 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.06410000000042 Star - Delta Starter - 25 HP itemH642 0.000 Nos Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.06460000000042 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter etc., complete and as directed by TWAD Board officers itemH647 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.06520000000043 Towards the charges for attending the repair works in DOL Starter itemH653 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.06530000000043 Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter etc., complete and as directed by TWAD Board officers itemH654 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.06590000000043 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete and as directed by TWAD Board officers itemH660 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.06650000000043 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete and as directed by TWAD Board officers itemH666 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.06710000000044 Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH672 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.06770000000044 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter etc., complete and as directed by TWAD Board officers itemH678 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.06830000000045 Transformer itemH684 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.06840000000045 Charges for removing the Transformer from the plinth after disconnecting the incomming & outgoing supply terminations, earthing, neutral connection in the Transformer loading to vehicle with mobile grane and conveying to workshop unloading the transformer with mobile crane as per site condition and as directed by TWAD Board Officers. itemH685 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.06870000000045 Charges for disconnecting the incomming & outgoing (LT & HT Side) supply terminations, earthing, neutral connection in the Transformer and drain out the oil from the conservator Tank and Transformer tank up to the required level and stacking the containers to attend the repair works/ Oil leakages and as directed by TWAD Board Officers. itemH688 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.06900000000045 Charges Opening the Transformer Top cover after disconnecting the inside terminal connections, weakening / damaged bushes, brash stud bolt & Nuts and lifting Transformer core & winding without damages etc., complete. itemH691 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.06930000000045 Charges for cleaning the winding coils of the Transformer free from moisture and cleaning the inside walls of the Transformer by using required new Transformer oil without any damage to the Transformer Coil itemH694 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.06960000000046 Charges for fixing the required capacity brass LT terminal bush 3nos, copper connecting plate,3 nos using necessary bushes, screws bolt nuts etc., complete itemH697 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.06990000000046 Charges for re-fixing the Transformer Top cover with conservator tank on the Transformer and connecting with all inside terminal connections including HT terminals by using required bolt & nuts and filling the tapped oil upto the mark of level indicator and charging the transformers, testing with load etc., complete itemH700 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.07020000000046 Charges for rewinding of Three phase of 11KV/22KV/ 433V Transformer in the suitable core assembly including charges for removing the burnt coil and allining of core assembly and including required insulating materials etc complete after deducting the cost burned scrap. itemH703 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.07040000000046 500 KVA Transformer - Nedungulam Karattupudhur(1 No), Edappadi (1 No) itemH705 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.07050000000046 Charges for improving of IR Value of Transformer using electric oven - Heat Champer (LT winding, HT winding and Transformer core) etc., complete as directed by TWAD Board officers. itemH706 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.07080000000046 Charges for two coats of painting the Transformer as directed by TWAD Board officers. itemH709 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.07110000000046 Charges for two coats of painting the 6 Pole Structure and yard fencing etc,. complete as directed by TWAD Board officers. itemH712 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.07140000000047 Charges for Eart Pit Value Checking with Certificate itemH715 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.07170000000047 Charges for 11KV/433V Transformer loading to vehicle with mobile grane and conveying to Pumphouse Unloading the above transformer with mobile crane Re-erection of transformer with cable termination earthing and neutral connection testing of No Load and Load testing at pumphouse as per site condition and existing arrangements and as directed by TWAD Board Officers. itemH718 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.07200000000047 Charges for transformer oil filtration using hot air vacuum filtering unit up to the required BDV value and submitting test result of both BDV and Acidity etc .complete and as directed by TWAD board officers. itemH721 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.07230000000047 Supply and delivery of required size of LT Brass rod with terminal bushing with 4 no of nuts, washers and insulating sleeves etc., complete itemH724 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.07260000000047 Supply and delivery of required capacity copper,connecting plate for cable termination . itemH727 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.07290000000048 Supply and delivery of required size copper HT terminal rod with Bushing and required Bolt & Nuts with washers itemH730 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.07320000000048 Supply and Delivery of Cork Packing Sheet, Cork Bush for LT and HT side, oil level Indicator as directed by TWAD Board officers after deducting the cost of old scraps itemH733 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.07350000000048 Supply and delivery of new LT/HT Coil made EC Grade DP coveriong copper wire for winding of 11KV/22KV/433V Transformer and required insulating materials etc., complete itemH736 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.07380000000048 Supply of transformer oil grade “A” for using cooling purpose of transformer winding AS per IS 335/1983, HT 11KV/ 22KV/ 415 V transformer (including transport , loading an unloading etc complete) Directed by TWAD board officers. itemH739 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.07410000000048 Supply and delivery of Drop Out fuse fixing unit set itemH742 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.07440000000049 Supply, delivery and fixing of Drop Out fuse Top Contact and bottom Contact itemH745 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.07470000000049 Supply and delivery of Breather with Silica gel of required size for the Transfomer itemH748 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.07500000000049 Supply and delivery of Silica gel itemH751 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.07530000000049 Supply and delivery of 11 KV / 22 KV Lightning Arrestor itemH754 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.07560000000049 Sump cleaning itemH757 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.0757000000005 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH758 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.0768000000005 Sump at Erumaipatty Booster Station itemH769 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.07820000000051 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH783 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.07840000000051 Repairs and Renewals for the period 01.04.2027 to 31.03.2028 itemH785 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.07850000000051 LEAK & BURST itemH786 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.07860000000051 AC Pipeline itemH787 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.07870000000051 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. itemH788 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.07880000000052 ATTENDING BURST IN AC PIPE LINES itemH789 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.07890000000052 Using MS Step Collar Leak itemH790 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.07920000000052 Using MS barrel pipe itemH793 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.07950000000052 AC pipe coupler burst using MS plain coller itemH796 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.07980000000052 AC pipe coupler leak itemH799 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.08010000000052 DI Pipeline itemH802 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.08020000000052 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. itemH803 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.08030000000053 Attending DI pipe lines itemH804 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.08040000000053 Burst Pipe replacement itemH805 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.08110000000053 Leak-single MJ Collar itemH812 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.08180000000054 Leak- cut Barrel & MJ Collar itemH819 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.08240000000054 Leak- specials Cement Joint itemH825 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.08280000000054 Leak-Gasket Joint itemH829 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.08320000000054 250 mm DI Pipe itemH833 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.08350000000055 GI Pipeline itemH836 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.08360000000055 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 itemH837 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.08420000000055 CI Pipeline itemH843 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.08430000000055 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (CI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH844 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.08440000000055 BURST IN CI PIPE LINE BY REPLACING THE ENTIRE PIPE itemH845 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.08470000000055 LEAK IN CI PIPE LINE BY INTRODUCING SINGLE MECHANICAL JOINT COLLARS itemH848 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.08500000000056 LEAK IN CI PIPE LINE BY INTRODUCING CUT BARREL AND MECHANICAL JOINT COLLARS itemH851 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.08530000000056 LEAK IN CI VALVE SPECIALS CEMENT JOINTS itemH854 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.08560000000056 GASKET LEAKS IN CI PIPES TYTON JOINTS itemH857 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.08590000000056 MS Pipeline itemH860 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.08600000000056 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 itemH861 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.08630000000056 PSC Pipeline itemH864 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.08640000000057 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. itemH865 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.08650000000057 ATTENDING BURST IN PSC PIPE LINES itemH866 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.08660000000057 USING MS STEP COLLAR itemH867 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.08690000000057 USING MS BARREL PIPE itemH870 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.08720000000057 PSC pipe leak using MS plain coller itemH873 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.08750000000057 PSC Cement joint leak itemH876 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.08780000000057 HDPE Pipeline itemH879 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.08790000000057 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. itemH880 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.08800000000058 ATTENDING HDPE PIPE LINES itemH881 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.08810000000058 LEAK HDPE FUSION JOINT itemH882 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.08890000000058 LEAK HDPE COUPLER JOINT itemH890 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.08960000000059 160 mm HDPE - PN 6 Pipe itemH897 0.000 Job Excess(+) Full Conversion INR 1 Job (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.08970000000059 BURST HDPE itemH898 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.09050000000059 PVC Pipeline itemH906 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.09060000000059 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. itemH907 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.09070000000059 ATTENDING PVC PIPE LINES - LEAK PVC itemH908 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.09080000000059 Leak PVC itemH909 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.0923000000006 Burst in PVC Pipes itemH924 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.09380000000061 Repair and Reconditioning itemH939 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.09390000000061 Valves itemH940 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.09400000000061 Sluice valve itemH941 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.09410000000062 Towards the charges for attending Repair and Reconditioning of various size of Sluice Valves itemH942 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.09420000000062 Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials. itemH943 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.09500000000062 Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc., itemH951 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.09580000000063 Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials and as directed by the TWAD Board officers itemH959 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.09660000000063 Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials and as directed by TWAD borad officers itemH967 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.09740000000064 Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,and as directed by TWAD borad officers itemH975 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.09820000000064 Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lathe work etc.,and as directed by TWAD borad officers itemH983 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.09900000000065 Air valve itemH991 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.09910000000065 Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete and as directed by the departmental Officers itemH992 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.09970000000065 Gun Metal Gate valve itemH998 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.09980000000065 Replacement of non functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete and as directed by the departmental Officers itemH999 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.10030000000066 Pumpset itemH1004 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.10040000000066 Vertical Turbine - Pumpset - Head works, Nedugulam kattur - 215HP itemH1005 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.10050000000066 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH1006 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.10140000000066 Vertical Turbine - Pumpset - Head works, Nedugulam kattur - 215HP itemH1015 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.10150000000066 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH1016 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.10300000000067 Vertical Turbine - Head works, Nedugulam kattur 215HP - Motor itemH1031 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.10310000000067 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH1032 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.10410000000068 HSC Pumpsets itemH1042 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.10420000000068 Attending the Repair and Replacement of bearings in various HSC Pump itemH1043 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.10430000000068 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 etc., complete and as directed by TWAD Board officers itemH1044 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.10520000000069 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges etc., complete and as directed by TWAD Board officers itemH1053 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.10610000000069 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings etc., complete and as directed by TWAD Board officers itemH1062 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.1070000000007 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 etc., complete and as directed by TWAD Board officers, itemH1071 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.10790000000071 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials etc., complete and as directed by TWAD Board officers itemH1080 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.10880000000071 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine etc., complete and as directed by TWAD Board officers itemH1089 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.10970000000072 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials etc., complete and as directed by TWAD Board officers itemH1098 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.11060000000072 Supply and delivery of Driven End and Non Driven End bearings etc., complete and as directed by TWAD Board officers itemH1107 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.11150000000073 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH1116 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.11240000000074 Transportation charges for conveying the Pump assembly from work shop to Pumping Station etc., complete and as directed by TWAD Board officers itemH1125 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.11330000000074 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc., complete and as directed by TWAD Board officers itemH1134 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.11420000000075 HSC Motor itemH1143 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.11430000000075 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH1144 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.11440000000075 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 TWAD Board officers itemH1145 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.11510000000075 Horizontal Split Casing Centrifugal - In Erumaipatti BS to Konganapuram TP SR 10HP itemH1152 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.11530000000075 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 TWAD Board officers itemH1154 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.11620000000076 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 TWAD Board officers itemH1163 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.11710000000077 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 TWAD Board officers itemH1172 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.11800000000077 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 TWAD Board officers itemH1181 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.11890000000078 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor etc., complete and as directed by TWAD Board officers itemH1190 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.11980000000078 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH1199 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.12070000000079 Transportation charges for conveying the motor from work shop to Pumping Station etc., complete and as directed by TWAD Board officers itemH1208 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.1215000000008 Horizontal Split Casing Centrifugal - In Erumaipatti BS to Kundarasampalayam 15HP itemH1216 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.1216000000008 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 TWAD Board officers itemH1217 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.1225000000008 OWS Pumpsets & Motors itemH1226 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.1226000000008 Attending the Repair and Renewal works in Submersible Pumpset itemH1227 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.1227000000008 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 TWAD Board officers itemH1228 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.12370000000081 Transporting the pumpset from Pump House to work shop etc., complete and as directed by TWAD Board officers itemH1238 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.12470000000082 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 TWAD Board officers itemH1248 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.12570000000082 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 TWAD Board officers itemH1258 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.12670000000083 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material etc., complete and as directed by TWAD Board officers itemH1268 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.12770000000084 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc., complete and as directed by TWAD Board officers itemH1278 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.12790000000084 Open Well Submersible - Pumpset and Motor 3HP itemH1280 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.12870000000084 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 TWAD Board officers itemH1288 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.12970000000085 Starter itemH1298 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.12980000000085 FCMA Starter itemH1299 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.12990000000085 Towards the charges for attending the repair works in FCMA Starter itemH1300 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.13000000000085 Labour Charges for removing the Burnt FCMA Coil, After Disconnecting the terminal connection and fixing the FCMA Coil after attending the rewinding work. itemH1301 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.13050000000085 Charges for Conveying the FCMA Coil from pumping Station to workshop and Workshop to pumping Station itemH1306 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.13100000000086 Labour Charges for Removal of unservicable contactor with all terminal connection suitable for the starter itemH1311 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.13150000000086 Labour Charges for Removal of Single Phase Preventer, Timer, CT Coil, Volt Meter, Ammeter, Selector Switch and PLA safety Relay suitable for the starter itemH1316 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.13200000000086 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH1321 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.13250000000087 Charges for Removing the old wire from the FCMA Coil ,Cleaning, Rewinding of FCMA Coil and supply and delivery of Double Coated Enamel Copper Wire and all insulation materials after deducting old scrap materials etc., complete itemH1326 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.13300000000087 Supply and Delivery of PLA Safety Relay suitable for the starter itemH1331 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.13350000000087 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers. itemH1336 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.13400000000088 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete itemH1341 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.13430000000088 100 HP FCMA Starter itemH1344 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.13450000000088 Replacement of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers. itemH1346 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.13500000000088 Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers. itemH1351 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.13550000000089 Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers. itemH1356 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.13600000000089 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH1361 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.13650000000089 Star Delta starter itemH1366 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.13660000000089 Towards the charges for attending the repair works in Star Delta Starter itemH1367 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.13670000000089 Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter etc., complete and as directed by TWAD Board officers itemH1368 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.1373000000009 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete etc., complete and as directed by TWAD Board officers itemH1374 Special Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.1379000000009 Supply and Delivery of PLA Safety Relay suitable for the starter etc., complete and as directed by TWAD Board officers itemH1380 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.13850000000091 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers. itemH1386 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.13910000000091 Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers. itemH1392 Special Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.13970000000091 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete etc., complete and as directed by TWAD Board officers itemH1398 Special Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.14030000000092 Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers. itemH1404 Special Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.14070000000092 Star Delta starter - 12.5 HP itemH1408 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.14090000000092 Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers. itemH1410 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.14150000000093 Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH1416 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.14210000000093 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter etc., complete and as directed by TWAD Board officers itemH1422 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.14270000000093 Towards the charges for attending the repair works in DOL Starter itemH1428 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.14280000000093 Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter etc., complete and as directed by TWAD Board officers itemH1429 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.14340000000094 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete and as directed by TWAD Board officers itemH1435 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.14400000000094 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete and as directed by TWAD Board officers itemH1441 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.14460000000095 Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH1447 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.14520000000095 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter etc., complete and as directed by TWAD Board officers itemH1453 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.14580000000096 Transformer itemH1459 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.14590000000095 Charges for removing the Transformer from the plinth after disconnecting the incomming & outgoing supply terminations, earthing, neutral connection in the Transformer loading to vehicle with mobile grane and conveying to workshop unloading the transformer with mobile crane as per site condition and as directed by TWAD Board Officers. itemH1460 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.14620000000096 Charges for disconnecting the incomming & outgoing (LT & HT Side) supply terminations, earthing, neutral connection in the Transformer and drain out the oil from the conservator Tank and Transformer tank up to the required level and stacking the containers to attend the repair works/ Oil leakages and as directed by TWAD Board Officers. itemH1463 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.14650000000096 Charges Opening the Transformer Top cover after disconnecting the inside terminal connections, weakening / damaged bushes, brash stud bolt & Nuts and lifting Transformer core & winding without damages etc., complete. itemH1466 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.14680000000096 Charges for cleaning the winding coils of the Transformer free from moisture and cleaning the inside walls of the Transformer by using required new Transformer oil without any damage to the Transformer Coil itemH1469 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.14710000000096 Charges for fixing the required capacity brass LT terminal bush 3nos, copper connecting plate,3 nos using necessary bushes, screws bolt nuts etc., complete itemH1472 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.14720000000096 400 KVA Transformer - Nedungulam Kattur (1 No), Erumaipatti (1 No) itemH1473 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.14740000000096 Charges for re-fixing the Transformer Top cover with conservator tank on the Transformer and connecting with all inside terminal connections including HT terminals by using required bolt & nuts and filling the tapped oil upto the mark of level indicator and charging the transformers, testing with load etc., complete itemH1475 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.14770000000097 Charges for rewinding of Three phase of 11KV/22KV/ 433V Transformer in the suitable core assembly including charges for removing the burnt coil and allining of core assembly and including required insulating materials etc complete after deducting the cost burned scrap. itemH1478 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.14800000000097 Charges for improving of IR Value of Transformer using electric oven - Heat Champer (LT winding, HT winding and Transformer core) etc., complete as directed by TWAD Board officers. itemH1481 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.14830000000097 Charges for two coats of painting the Transformer as directed by TWAD Board officers. itemH1484 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.14840000000097 400 KVA Transformer - Nedungulam Kattur (1 No), Erumaipatti (1 No) itemH1485 0.000 No Excess(+) Full Conversion INR 1 No (Each) 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.14860000000097 Charges for two coats of painting the 6 Pole Structure and yard fencing etc,. complete as directed by TWAD Board officers. itemH1487 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.14890000000097 Charges for Eart Pit Value Checking with Certificate itemH1490 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.14920000000098 Charges for 11KV/433V Transformer loading to vehicle with mobile grane and conveying to Pumphouse Unloading the above transformer with mobile crane Re-erection of transformer with cable termination earthing and neutral connection testing of No Load and Load testing at pumphouse as per site condition and existing arrangements and as directed by TWAD Board Officers. itemH1493 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.14950000000098 Charges for transformer oil filtration using hot air vacuum filtering unit up to the required BDV value and submitting test result of both BDV and Acidity etc .complete and as directed by TWAD board officers. itemH1496 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.14980000000098 Supply and delivery of required size of LT Brass rod with terminal bushing with 4 no of nuts, washers and insulating sleeves etc., complete itemH1499 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.15010000000098 Supply and delivery of required capacity copper,connecting plate for cable termination . itemH1502 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.15040000000098 Supply and delivery of required size copper HT terminal rod with Bushing and required Bolt & Nuts with washers itemH1505 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.15070000000099 Supply and Delivery of Cork Packing Sheet, Cork Bush for LT and HT side, oil level Indicator as directed by TWAD Board officers after deducting the cost of old scraps itemH1508 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.15100000000099 Supply and delivery of new LT/HT Coil made EC Grade DP coveriong copper wire for winding of 11KV/22KV/433V Transformer and required insulating materials etc., complete itemH1511 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.15130000000099 Supply of transformer oil grade “A” for using cooling purpose of transformer winding AS per IS 335/1983, HT 11KV/ 22KV/ 415 V transformer (including transport , loading an unloading etc complete) Directed by TWAD board officers. itemH1514 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.15160000000099 Supply and delivery of Drop Out fuse fixing unit set itemH1517 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.15190000000099 Supply, delivery and fixing of Drop Out fuse Top Contact and bottom Contact itemH1520 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.152200000001 Supply and delivery of Breather with Silica gel of required size for the Transfomer itemH1523 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.152500000001 Supply and delivery of Silica gel itemH1526 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.152800000001 Supply and delivery of 11 KV / 22 KV Lightning Arrestor itemH1529 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.153100000001 Sump cleaning itemH1532 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.153200000001 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH1533 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.15580000000102 For a period from 01.04.2028 to 31.03.2029 itemH1559 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.15590000000102 LEAK & BURST itemH1560 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.15600000000102 AC Pipeline itemH1561 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.15610000000102 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. itemH1562 Standard Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.15620000000102 ATTENDING BURST IN AC PIPE LINES itemH1563 Standard Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.15630000000102 Using MS Step Collar Leak itemH1564 Standard Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.15660000000103 Using MS barrel pipe itemH1567 Standard Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.15690000000103 AC pipe coupler burst using MS plain coller itemH1570 Standard Specification 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.15720000000103 AC pipe coupler leak itemH1573 Standard Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.15750000000103 DI Pipeline itemH1576 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.15760000000103 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. itemH1577 Standard Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.15770000000103 Attending DI pipe lines itemH1578 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.15780000000103 Burst Pipe replacement itemH1579 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.15850000000104 Leak-single MJ Collar itemH1586 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.15920000000104 Leak- cut Barrel & MJ Collar itemH1593 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.15980000000105 Leak- specials Cement Joint itemH1599 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.16020000000105 Leak-Gasket Joint itemH1603 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.16090000000105 GI Pipeline itemH1610 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.16100000000105 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 itemH1611 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.16160000000106 CI Pipeline itemH1617 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.16170000000106 Towards the charges for attending Leak and Bursts in the following the various size of pipelines (CI pipe) of CWSS as per the standard procedure damaged during earthwork excavation in all soil strata, removal of slushy soil, dewatering and replacing the pipeline with sound C.I/ D.I-S/S pipes including supply and delivery of C.I/ D.I-S/S pipes D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling and all incidental charges, etc complete within the stipulated time limit and as directed by the TWAD Board officers. itemH1618 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.16180000000106 BURST IN CI PIPE LINE BY REPLACING THE ENTIRE PIPE itemH1619 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.16210000000106 LEAK IN CI PIPE LINE BY INTRODUCING SINGLE MECHANICAL JOINT COLLARS itemH1622 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.16240000000106 LEAK IN CI PIPE LINE BY INTRODUCING CUT BARREL AND MECHANICAL JOINT COLLARS itemH1625 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.16270000000106 LEAK IN CI VALVE SPECIALS CEMENT JOINTS itemH1628 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.16300000000107 GASKET LEAKS IN CI PIPES TYTON JOINTS itemH1631 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.16330000000107 MS Pipeline itemH1634 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.16340000000107 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 itemH1635 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.16370000000107 PSC Pipeline itemH1638 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.16380000000107 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. itemH1639 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.16390000000107 ATTENDING BURST IN PSC PIPE LINES itemH1640 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.16400000000107 USING MS STEP COLLAR itemH1641 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.16430000000108 USING MS BARREL PIPE itemH1644 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.16460000000108 PSC pipe leak using MS plain coller itemH1647 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.16490000000108 PSC Cement joint leak itemH1650 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.16520000000108 HDPE Pipeline itemH1653 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.16530000000108 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. itemH1654 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.16540000000108 ATTENDING HDPE PIPE LINES itemH1655 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.16550000000108 LEAK HDPE FUSION JOINT itemH1656 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.16630000000109 LEAK HDPE COUPLER JOINT itemH1664 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.16710000000109 BURST HDPE itemH1672 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.1679000000011 PVC Pipeline itemH1680 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.1680000000011 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. itemH1681 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.1681000000011 ATTENDING PVC PIPE LINES - LEAK PVC itemH1682 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.1682000000011 Leak PVC itemH1683 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.16970000000111 Burst in PVC Pipes itemH1698 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.17120000000112 Repair and Reconditioning itemH1713 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.17130000000112 Valves itemH1714 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.17140000000112 Sluice valve itemH1715 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.17150000000112 Towards the charges for attending Repair and Reconditioning of various size of Sluice Valves itemH1716 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.17160000000112 Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials. itemH1717 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.17230000000113 Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc., itemH1724 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.17300000000113 Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials and as directed by the TWAD Board officers itemH1731 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.17370000000114 Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials and as directed by TWAD borad officers itemH1738 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.17390000000114 Sluice Valve - 150 mm itemH1740 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.17440000000114 Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,and as directed by TWAD borad officers itemH1745 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.17510000000115 Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lathe work etc.,and as directed by TWAD borad officers itemH1752 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.17580000000115 Air valve itemH1759 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.17590000000115 Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete and as directed by the departmental Officers itemH1760 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.17650000000116 Gun Metal Gate valve itemH1766 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.17660000000116 Replacement of non functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete and as directed by the departmental Officers itemH1767 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.17710000000116 Pumpset itemH1772 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.17720000000116 Vertical Turbine - Pumpset - Head works, Nedugulam kattur - 215HP itemH1773 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.17730000000116 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH1774 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.17820000000117 Vertical Turbine - Pumpset - Head works, Nedugulam kattur - 215HP itemH1783 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.17830000000117 Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump itemH1784 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.17980000000118 Vertical Turbine - Head works, Nedugulam kattur 215HP - Motor itemH1799 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.17990000000118 Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset itemH1800 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.18030000000118 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 TWAD Board officers itemH1804 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.18090000000118 HSC Pumpsets itemH1810 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.18100000000118 Attending the Repair and Replacement of bearings in various HSC Pump itemH1811 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.18110000000119 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 etc., complete and as directed by TWAD Board officers itemH1812 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.18200000000119 Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges etc., complete and as directed by TWAD Board officers itemH1821 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.1829000000012 Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings etc., complete and as directed by TWAD Board officers itemH1830 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.1838000000012 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 etc., complete and as directed by TWAD Board officers, itemH1839 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.18470000000121 Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials etc., complete and as directed by TWAD Board officers itemH1848 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.18560000000122 Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine etc., complete and as directed by TWAD Board officers itemH1857 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.18650000000122 Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials etc., complete and as directed by TWAD Board officers itemH1866 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.18670000000122 Horizontal Split Casing Centrifugal - Edappadi BS to Erumapatti BS 125HP itemH1868 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.18740000000123 Supply and delivery of Driven End and Non Driven End bearings etc., complete and as directed by TWAD Board officers itemH1875 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.18830000000123 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH1884 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.18920000000124 Transportation charges for conveying the Pump assembly from work shop to Pumping Station etc., complete and as directed by TWAD Board officers itemH1893 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.19010000000124 Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc., complete and as directed by TWAD Board officers itemH1902 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.19100000000125 HSC Motor itemH1911 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.19110000000125 Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) itemH1912 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.19120000000125 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 TWAD Board officers itemH1913 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.19210000000126 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 TWAD Board officers itemH1922 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.19300000000126 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 TWAD Board officers itemH1931 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.19310000000126 Horizontal Split Casing Centrifugal - WTP, Karattupudhur to Edapaddi BS 125HP itemH1932 0.000 No Excess(+) Full Conversion INR 1 No (Each) 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.19390000000127 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 TWAD Board officers itemH1940 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.19480000000128 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 TWAD Board officers itemH1949 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.19570000000128 Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor etc., complete and as directed by TWAD Board officers itemH1958 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.19660000000129 Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials etc., complete and as directed by TWAD Board officers itemH1967 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.19750000000129 Transportation charges for conveying the motor from work shop to Pumping Station etc., complete and as directed by TWAD Board officers itemH1976 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.1984000000013 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 TWAD Board officers itemH1985 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.1993000000013 OWS Pumpsets & Motors itemH1994 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.19940000000131 Attending the Repair and Renewal works in Submersible Pumpset itemH1995 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.19950000000131 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 TWAD Board officers itemH1996 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.19960000000131 Open Well Submersible - Pumpset and Motor 2HP itemH1997 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.20050000000131 Transporting the pumpset from Pump House to work shop etc., complete and as directed by TWAD Board officers itemH2006 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.20150000000132 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 TWAD Board officers itemH2016 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.20250000000133 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 TWAD Board officers itemH2026 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.20350000000133 Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material etc., complete and as directed by TWAD Board officers itemH2036 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.20450000000134 Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works etc., complete and as directed by TWAD Board officers itemH2046 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.20550000000135 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 TWAD Board officers itemH2056 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.20650000000135 Starter itemH2066 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.20660000000135 FCMA Starter itemH2067 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.20670000000135 Towards the charges for attending the repair works in FCMA Starter itemH2068 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.20680000000135 Labour Charges for removing the Burnt FCMA Coil, After Disconnecting the terminal connection and fixing the FCMA Coil after attending the rewinding work. itemH2069 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.20730000000136 Charges for Conveying the FCMA Coil from pumping Station to workshop and Workshop to pumping Station itemH2074 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.20780000000136 Labour Charges for Removal of unservicable contactor with all terminal connection suitable for the starter itemH2079 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.20830000000136 Labour Charges for Removal of Single Phase Preventer, Timer, CT Coil, Volt Meter, Ammeter, Selector Switch and PLA safety Relay suitable for the starter itemH2084 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.20880000000137 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete itemH2089 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.20930000000137 Charges for Removing the old wire from the FCMA Coil ,Cleaning, Rewinding of FCMA Coil and supply and delivery of Double Coated Enamel Copper Wire and all insulation materials after deducting old scrap materials etc., complete itemH2094 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.20980000000137 Supply and Delivery of PLA Safety Relay suitable for the starter itemH2099 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.21030000000138 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers. itemH2104 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.21080000000138 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete itemH2109 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.21130000000138 Replacement of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers. itemH2114 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.21180000000139 Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers. itemH2119 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.21230000000139 Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers. itemH2124 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.21280000000139 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter. itemH2129 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.2133000000014 Star Delta starter itemH2134 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.2134000000014 Towards the charges for attending the repair works in Star Delta Starter itemH2135 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.2135000000014 Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter etc., complete and as directed by TWAD Board officers itemH2136 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.2141000000014 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete etc., complete and as directed by TWAD Board officers itemH2142 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.21470000000141 Supply and Delivery of PLA Safety Relay suitable for the starter etc., complete and as directed by TWAD Board officers itemH2148 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.21530000000141 Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers. itemH2154 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.21590000000141 Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers. itemH2160 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.21650000000142 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete etc., complete and as directed by TWAD Board officers itemH2166 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.21710000000142 Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers. itemH2172 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.21770000000143 Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers. itemH2178 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.21830000000143 Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH2184 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.21890000000143 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter etc., complete and as directed by TWAD Board officers itemH2190 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.21950000000144 Towards the charges for attending the repair works in DOL Starter itemH2196 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.21960000000144 Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter etc., complete and as directed by TWAD Board officers itemH2197 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.22020000000144 Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete and as directed by TWAD Board officers itemH2203 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.22080000000145 Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete and as directed by TWAD Board officers itemH2209 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.22140000000145 Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers. itemH2215 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.22200000000145 Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter etc., complete and as directed by TWAD Board officers itemH2221 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.22260000000146 Transformer itemH2227 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.22270000000146 Charges for removing the Transformer from the plinth after disconnecting the incomming & outgoing supply terminations, earthing, neutral connection in the Transformer loading to vehicle with mobile grane and conveying to workshop unloading the transformer with mobile crane as per site condition and as directed by TWAD Board Officers. itemH2228 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.22300000000146 Charges for disconnecting the incomming & outgoing (LT & HT Side) supply terminations, earthing, neutral connection in the Transformer and drain out the oil from the conservator Tank and Transformer tank up to the required level and stacking the containers to attend the repair works/ Oil leakages and as directed by TWAD Board Officers. itemH2231 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.22330000000146 Charges Opening the Transformer Top cover after disconnecting the inside terminal connections, weakening / damaged bushes, brash stud bolt & Nuts and lifting Transformer core & winding without damages etc., complete. itemH2234 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.22360000000146 Charges for cleaning the winding coils of the Transformer free from moisture and cleaning the inside walls of the Transformer by using required new Transformer oil without any damage to the Transformer Coil itemH2237 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.22390000000147 Charges for fixing the required capacity brass LT terminal bush 3nos, copper connecting plate,3 nos using necessary bushes, screws bolt nuts etc., complete itemH2240 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.22420000000147 Charges for re-fixing the Transformer Top cover with conservator tank on the Transformer and connecting with all inside terminal connections including HT terminals by using required bolt & nuts and filling the tapped oil upto the mark of level indicator and charging the transformers, testing with load etc., complete itemH2243 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.22450000000147 Charges for rewinding of Three phase of 11KV/22KV/ 433V Transformer in the suitable core assembly including charges for removing the burnt coil and allining of core assembly and including required insulating materials etc complete after deducting the cost burned scrap. itemH2246 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.22480000000147 Charges for improving of IR Value of Transformer using electric oven - Heat Champer (LT winding, HT winding and Transformer core) etc., complete as directed by TWAD Board officers. itemH2249 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.22500000000147 500 KVA Transformer - Nedungulam Karattupudhur(1 No), Edappadi (1 No) itemH2251 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.22510000000147 Charges for two coats of painting the Transformer as directed by TWAD Board officers. itemH2252 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.22540000000148 Charges for two coats of painting the 6 Pole Structure and yard fencing etc,. complete as directed by TWAD Board officers. itemH2255 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.22570000000148 Charges for Eart Pit Value Checking with Certificate itemH2258 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.22600000000148 Charges for 11KV/433V Transformer loading to vehicle with mobile grane and conveying to Pumphouse Unloading the above transformer with mobile crane Re-erection of transformer with cable termination earthing and neutral connection testing of No Load and Load testing at pumphouse as per site condition and existing arrangements and as directed by TWAD Board Officers. itemH2261 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.22630000000148 Charges for transformer oil filtration using hot air vacuum filtering unit up to the required BDV value and submitting test result of both BDV and Acidity etc .complete and as directed by TWAD board officers. itemH2264 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.22660000000148 Supply and delivery of required size of LT Brass rod with terminal bushing with 4 no of nuts, washers and insulating sleeves etc., complete itemH2267 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.22690000000149 Supply and delivery of required capacity copper,connecting plate for cable termination . itemH2270 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.22720000000149 Supply and delivery of required size copper HT terminal rod with Bushing and required Bolt & Nuts with washers itemH2273 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.22750000000149 Supply and Delivery of Cork Packing Sheet, Cork Bush for LT and HT side, oil level Indicator as directed by TWAD Board officers after deducting the cost of old scraps itemH2276 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.22780000000149 Supply and delivery of new LT/HT Coil made EC Grade DP coveriong copper wire for winding of 11KV/22KV/433V Transformer and required insulating materials etc., complete itemH2279 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.22810000000149 Supply of transformer oil grade “A” for using cooling purpose of transformer winding AS per IS 335/1983, HT 11KV/ 22KV/ 415 V transformer (including transport , loading an unloading etc complete) Directed by TWAD board officers. itemH2282 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.2284000000015 Supply and delivery of Drop Out fuse fixing unit set itemH2285 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.2287000000015 Supply, delivery and fixing of Drop Out fuse Top Contact and bottom Contact itemH2288 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.2290000000015 Supply and delivery of Breather with Silica gel of required size for the Transfomer itemH2291 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.2293000000015 Supply and delivery of Silica gel itemH2294 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

4.2296000000015 Supply and delivery of 11 KV / 22 KV Lightning Arrestor itemH2297 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.2299000000015 Sump cleaning itemH2300 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.23000000000151 Charges for cleaning the sumps, booster stations, elevated reservoirs of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump, etc., complete and as directed by the departmental officers itemH2301 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.23140000000152 Sump at Vedichivalavu itemH2315 0.000 No Excess(+) Full Conversion INR 1 No (Each) 1.01 Supplying, Conveying and fixing spls. Including eart item1 123.223 Nos

4.23260000000152 Cost of Chemicals itemH2327 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.23270000000152 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. itemH2328 Standard Specification 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

4.23310000000153 Supply and delivery of Alum (Sulphate of Alumino Ferric) required for Water Treatment Plants confirming to IS specification 299/ 1980 and as amended from time to time for delivery at anywhere in Coimbatore District including loading, freight, unloading, transit, insurance and all other incidental charges. itemH2332 Standard Specification 2 Construction of chamber for 100mm sluices valve item3 10 Nos

4.23350000000153 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. itemH2336 Standard Specification 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

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