O and M Package 32 in Pudukkottai District

TWAD BOARD - THANJAVUR REGION

Operation and Maintenance of the CWSS to 1766 in Pudukkottai District (Pkg - 33), including repair, rectification works and supply of chemicals for three years period from 2026 -2027 to 2028-2029.)

Total Basic Value from A1

Item Rate BoQ

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Name of the Bidder/ Bidding Firm / Company :

PRICE SCHEDULE (This BOQ template must not be modified/replaced by the bidder and the same should be uploaded after filling the relevent columns, else the bidder is liable to be rejected for this tender. Bidders are allowed to enter the Bidder Name and Values only)

NUMBER #

For the Year 2026 - 2027. (From 01.04.2026 to 31.03.2027)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines, valves and appurtenances,water retaining structures including protection of all scheme 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, carrying out the O & M as per standard operating procedures,Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak,burst, repairs and replacement works to electro mechanical installations, consumables for disinfection of water, cleaning of all water retaining structures, electricity.

Cleaning of all storage points like sumps, stand posts of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, dewatering, desilting using rquired machineries , materials , labour, all incidental chargs , application of bleaching powder/ solution etc complete and as directed by TWAD Board officers

For 5000 to 15000 lit cap sump

For 15001 to 30000 lit cap sump

For 30001 to 45000 lit cap sump

For 45001 to 60000 lit cap sump

For 60001 to 75000 lit cap sump

For 75001 to 100000 lit cap sump

For 100001 to 125000 lit cap sump

For 125001 to 150000 lit cap sump

For 150001 to 175000 lit cap sump

For 175001 to 200000 lit cap sump

For 300000 to 600000 lit cap sump

Attending Leaks in the pipelines for the following items as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, refilling, civil works, cost of materials and all other incidental charges etc complete with in the stipulated time limit as directed by TWAD Borad officials

63mm 4 ksc PVC Pipes

75mm 4 ksc PVC Pipes

90mm 4 ksc PVC Pipes

110mm 4 ksc PVC Pipes

140mm 4 ksc PVC Pipes

160mm 4 ksc PVC Pipes

200mm 4 ksc PVC Pipes

50mm 6 ksc PVC Pipes

63mm 6 ksc PVC Pipes

75mm 6 ksc PVC Pipes

90mm 6 ksc PVC Pipes

110mm 6 ksc PVC Pipes

140mm 6 ksc PVC Pipes

160mm 6 ksc PVC Pipes

200mm 6 ksc PVC Pipes

Attending Leaks in the pipelines for the following items as per the standard procedure including earthwork excavation, dewatering, cutting the damaged portion,welding with new MS plate, finishing with required cement lining ,refilling, including cost of materials and all materials, machineries other incidental charges etc complete with in the stipulated time limit as directed by TWAD Borad officials- Below Ground level

700 mm MS pipe

400 mm MS pipe

600 mm DI pipe

500 mm DI pipe

450 mm DI pipe

400 mm DI pipe

350 mm DI pipe

300 mm DI pipe

250 mm DI pipe

200 mm DI pipe

150 mm DI pipe

Attending Leaks in the pipelines for the following items as per the standard procedure including dewatering, cutting the damaged portion,welding with new MS plate, finishing with required cement lining including cost of materials and all materials, machineries other incidental charges etc complete with in the stipulated time limit as directed by TWAD Borad officials-Above Ground level

700 mm MS pipe

500 mm MS pipe

400 mm MS pipe

250 mm MS pipe

200 mm MS pipe

Attending Leaks in the DI pipelines joints of this CWSS for the following items as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing,civil works, hire charges of all equipments, cost of all materials such as cement, Quick setting compound, Hemp Yarn and lead wool and all other incidental charges etc complete with in the stipulated time limit and as directed by TWAD board Officers

600 mm DI pipe

500 mm DI pipe

450 mm DI pipe

400 mm DI pipe

350 mm DI pipe

300 mm DI pipe

250 mm DI pipe

200 mm DI pipe

150 mm DI pipe

Attending Leaks in the GI pipelines joints of this CWSS for the following items as per the standard procedure including supply of materials, removing, relaying, jointing, hire charges of all equipments and other incidental charges etc complete with in the stipulated time limit as directed by TWAD Borad officials- Above Ground level

Rewinding of motors in pumping station in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per standard specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.8 of General conditions of Contract Part II etc as directed by TWAD Board officers

Repairing and reconditioning of Pump for 150 HP Vertical Turbine Pumpset including all material,labour,etc at Head works,Thiruchennampoondi & Mullur BS

FOR MOTOR

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges.

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.

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

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor.

Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Booster Station at Thiruverumbur

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.,

For Pump

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

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

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

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.

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

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

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

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

For Materials

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)

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)

Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly

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.

Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete)

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.

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.

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.

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.

Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset

Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers

Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers

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

Supply and delivery of Load Bearing (Ratchet assembly) including Required Grade lubricating components

Repairing and reconditioning of Pump for 180 HP Vertical Turbine Pumpset including all material,labour,etc at Booster Station -I Manaiyeripatty

FOR MOTOR

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges.

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.

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

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor.

Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Booster Station at Thiruverumbur

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.,

For Pump

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

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

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

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.

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

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

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

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

Supply,delivery and fixing of the following Materials required for attending repairs in VT Pumpset

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)

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)

Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly

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.

Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete)

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.

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.

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.

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.

Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset

Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers

Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers

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

Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components

Attending the Repair and Renewal works in 15 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 12.5 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 10 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 7.5 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 5 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 3 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 2 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 1 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 0.5 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Labour Charges for Repair and replacement of spares in DOL and Star Delta Starters, MV Panel Board with required cables and allied works excluding the cost of Volt Meter, Ammeter, Single Phase Preventor, timer, MCCB,Contactor and required KVA Capacitor.

15 HP - STAR DELTA

10 HP - STAR DELTA

7.5 HP - STAR DELTA

5 HP - DOL

3 HP - DOL

2 HP - DOL

1 HP - DOL

0.5 HP - DOL

Labour charges for Repair and replacement of spares in ATS Starters, MV Panel Board, required cables and allied works includind the cost of ATS Coil / FCMA coil rewinding work and excluding the cost of Volt Meter, Ammeter, Single Phase Preventor, timer, MCCB, Contactor and required KVA Capacitor.

Supply ,delivery and fixing of the following starters

Replacement of Starter (ATS) -15 HP

Replacement of Starter(ATS)- 12.5 HP

Replacement of Starter (STAR DELTA)

Supplying and laying of XLPE insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to IS 7098 / part 1.)

3.5 C x 25 Sqmm (Aluminium) flat type Aluminium cable

Supply, delivery and fixing of the following Electrical works:consumable items at the site of work carry out the general maintenance works

Digital Volt meter-3 Phase

Digital Ammeter -3 Phase

MCB 32A -TP

MCB 63A - TP

MCB 100A - TP

Overload relay - Upto 5A

Overload relay - 5A to 10A

Overload relay - 10A to 20A

LED Outdoor fittings a)30 W LED street light fittings

Change Over Switch

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50 HZ conforming to ISS:2834 with ISI marking

Supply and delivery of Transformer oil at Headworks ,Mnaiyeripatty BS and Mullur booster station

Supply, delivery of CI D/F non return valve as per IS 5312/2004/Part I 84 PN 1.0 with ISI marking

300mm NRV

Supply and delivery of MCCB - 3P - 400Amps

Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1.

Charges for Repair and Reconditioning of the Sluice Valves and Air Valves fixed in the Pumping Main, Feeder Main and Branch Main including cost of all materials and labour charges etc., complete

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.

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.,

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.,

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.

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.

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 lath work etc.,

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

150mm Air Valve

100mm Air Valve

80mm Air Valve

50mm Air Valve

25mm Air Valve

Repair and replacement of spares in Starters, MV Panel Board, MV Panel Board, required cables and allied works includind the cost of ATS Coil / FCMA coil rewinding work and excluding the cost of Volt Meter, Ammeter, Single Phase Preventor, timer, MCCB, Contactor and required KVA Capacitor.

Supply,delivery and laying of the following sizes of G.I. Medium class pipes and specials as per IS 1239/part I /1990 including cost, loading , transportation, unloading etc complete and as directed by the TWAD Board Officers

100mm size GI pipe medium

80mm size GI pipe medium

50mm size GI pipe medium

40mm size GI pipe medium

100mm GM Gate valve

80mm GM Gate valve

65mm GM Gate valve

50mm GM Gate valve

40mm GM Gate valve

100mm GM Non Return Vlave

80mm GM Non Return Vlave

50mm GM Non Return Vlave

40mm GM Non Return Vlave

100mm GI bend

80mm GI bend

50mm GI bend

40mm GI bend

100mm GI TEE

80mm GI TEE

50mm GI TEE

40mm GI TEE

100mm GI Hex Nipple

80mm GI Hex Nipple

50mm GI Hex Nipple

40mm GI Hex Nipple

Cutting and threading of GI Pipes.

100mm dia GI Pipe, Cutting

100mm dia GI Pipe, Threading

80mm dia GI Pipe, Cutting

80mm dia GI Pipe, Threading

50mm dia GI Pipe, Cutting

50mm dia GI Pipe, Threading

40mm dia GI Pipe, Cutting

40mm dia GI Pipe, Threading

Supply, delivery and fixing of Fuse unit

63Amps porcelain fuse unit (500V)

100Amps porcelain fuse unit (500V)

200Amps porcelain fuse unit (500V)

Supply ,delivery and fixing of Woltman model (No domestic use) conforming to ISO 4064 part I, II, III Class B and IS-2373 including loading, unloading, transporting and labour charges etc.

Electric Motor protection device against dry running. The device should protect the motor against dry running.The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply (Dry run).

Charges towards Annual CEIG Inspection for the two HT Services (Headworks,Manaiyeripatty BS and Mullur BS)

Charges towards Transformer Oil Testing(Headworks,Manaiyeripatty BS and Mullur BS)

Supply and Delivery of CI D/F Reflux Valve as per IS 5312/2004/Part I/84 PN 1.0

Supply and delivery of Motor oil at Headworks ,Manaiyeripatty BS and Mullur booster station

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of disinfectents such as bleaching powder/ Common Salt as applicable. The supply should be with the quality test certificate from approved organisations.

For the Year 2027 - 2028. (From 01.04.2027 to 31.03.2028)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines, valves and appurtenances,water retaining structures including protection of all scheme 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, carrying out the O & M as per standard operating procedures,Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak,burst, repairs and replacement works to electro mechanical installations, consumables for disinfection of water, cleaning of all water retaining structures, electricity.

Cleaning of all storage points like sumps, stand posts of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, dewatering, desilting using rquired machineries , materials , labour, all incidental chargs , application of bleaching powder/ solution etc complete and as directed by TWAD Board officers

For 5000 to 15000 lit cap sump

For 15001 to 30000 lit cap sump

For 30001 to 45000 lit cap sump

For 45001 to 60000 lit cap sump

For 60001 to 75000 lit cap sump

For 75001 to 100000 lit cap sump

For 100001 to 125000 lit cap sump

For 125001 to 150000 lit cap sump

For 150001 to 175000 lit cap sump

For 175001 to 200000 lit cap sump

For 300000 to 600000 lit cap sump

Attending Leaks in the pipelines for the following items as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, refilling, civil works, cost of materials and all other incidental charges etc complete with in the stipulated time limit as directed by TWAD Borad officials

63mm 4 ksc PVC Pipes

75mm 4 ksc PVC Pipes

90mm 4 ksc PVC Pipes

110mm 4 ksc PVC Pipes

140mm 4 ksc PVC Pipes

160mm 4 ksc PVC Pipes

200mm 4 ksc PVC Pipes

50mm 6 ksc PVC Pipes

63mm 6 ksc PVC Pipes

75mm 6 ksc PVC Pipes

90mm 6 ksc PVC Pipes

110mm 6 ksc PVC Pipes

140mm 6 ksc PVC Pipes

160mm 6 ksc PVC Pipes

200mm 6 ksc PVC Pipes

Attending Leaks in the pipelines for the following items as per the standard procedure including earthwork excavation, dewatering, cutting the damaged portion,welding with new MS plate, finishing with required cement lining ,refilling, including cost of materials and all materials, machineries other incidental charges etc complete with in the stipulated time limit as directed by TWAD Borad officials- Below Ground level

700 mm MS pipe

400 mm MS pipe

600 mm DI pipe

500 mm DI pipe

450 mm DI pipe

400 mm DI pipe

350 mm DI pipe

300 mm DI pipe

250 mm DI pipe

200 mm DI pipe

150 mm DI pipe

Attending Leaks in the pipelines for the following items as per the standard procedure including dewatering, cutting the damaged portion,welding with new MS plate, finishing with required cement lining including cost of materials and all materials, machineries other incidental charges etc complete with in the stipulated time limit as directed by TWAD Borad officials-Above Ground level

700 mm MS pipe

500 mm MS pipe

400 mm MS pipe

250 mm MS pipe

200 mm MS pipe

Attending Leaks in the DI pipelines joints of this CWSS for the following items as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing,civil works, hire charges of all equipments, cost of all materials such as cement, Quick setting compound, Hemp Yarn and lead wool and all other incidental charges etc complete with in the stipulated time limit and as directed by TWAD board Officers

600 mm DI pipe

500 mm DI pipe

450 mm DI pipe

400 mm DI pipe

350 mm DI pipe

300 mm DI pipe

250 mm DI pipe

200 mm DI pipe

150 mm DI pipe

Attending Leaks in the GI pipelines joints of this CWSS for the following items as per the standard procedure including supply of materials, removing, relaying, jointing, hire charges of all equipments and other incidental charges etc complete with in the stipulated time limit as directed by TWAD Borad officials- Above Ground level

Rewinding of motors in pumping station in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per standard specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.8 of General conditions of Contract Part II etc as directed by TWAD Board officers

Repairing and reconditioning of Pump for 150 HP Vertical Turbine Pumpset including all material,labour,etc at Head works,Thiruchennampoondi & Mullur BS

FOR MOTOR

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges.

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.

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

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor.

Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Booster Station at Thiruverumbur

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.,

For Pump

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

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

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

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.

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

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

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

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

For Materials

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)

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)

Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly

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.

Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete)

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.

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.

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.

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.

Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset

Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers

Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers

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

Supply and delivery of Load Bearing (Ratchet assembly) including Required Grade lubricating components

Repairing and reconditioning of Pump for 180 HP Vertical Turbine Pumpset including all material,labour,etc at Booster Station -I Manaiyeripatty

FOR MOTOR

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges.

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.

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

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor.

Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Booster Station at Thiruverumbur

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.,

For Pump

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

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

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

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.

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

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

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

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

Supply,delivery and fixing of the following Materials required for attending repairs in VT Pumpset

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)

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)

Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly

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.

Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete)

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.

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.

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.

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.

Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset

Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers

Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers

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

Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components

Attending the Repair and Renewal works in 15 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 12.5 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 10 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 7.5 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 5 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 3 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 2 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 1 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 0.5 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Labour Charges for Repair and replacement of spares in DOL and Star Delta Starters, MV Panel Board with required cables and allied works excluding the cost of Volt Meter, Ammeter, Single Phase Preventor, timer, MCCB,Contactor and required KVA Capacitor.

15 HP - STAR DELTA

10 HP - STAR DELTA

7.5 HP - STAR DELTA

5 HP - DOL

3 HP - DOL

2 HP - DOL

1 HP - DOL

0.5 HP - DOL

Labour charges for Repair and replacement of spares in ATS Starters, MV Panel Board, required cables and allied works includind the cost of ATS Coil / FCMA coil rewinding work and excluding the cost of Volt Meter, Ammeter, Single Phase Preventor, timer, MCCB, Contactor and required KVA Capacitor.

Supply ,delivery and fixing of the following starters

Replacement of Starter (ATS) -15 HP

Replacement of Starter(ATS)- 12.5 HP

Replacement of Starter (STAR DELTA)

Supplying and laying of XLPE insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to IS 7098 / part 1.)

3.5 C x 25 Sqmm (Aluminium) flat type Aluminium cable

Supply, delivery and fixing of the following Electrical works:consumable items at the site of work carry out the general maintenance works

Digital Volt meter-3 Phase

Digital Ammeter -3 Phase

MCB 32A -TP

MCB 63A - TP

MCB 100A - TP

Overload relay - Upto 5A

Overload relay - 5A to 10A

Overload relay - 10A to 20A

LED Outdoor fittings a)30 W LED street light fittings

Change Over Switch

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50 HZ conforming to ISS:2834 with ISI marking

Supply and delivery of Transformer oil at Headworks ,Mnaiyeripatty BS and Mullur booster station

Supply, delivery of CI D/F non return valve as per IS 5312/2004/Part I 84 PN 1.0 with ISI marking

300mm NRV

Supply and delivery of MCCB - 3P - 400Amps

Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1.

Charges for Repair and Reconditioning of the Sluice Valves and Air Valves fixed in the Pumping Main, Feeder Main and Branch Main including cost of all materials and labour charges etc., complete

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.

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.,

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.,

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.

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.

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 lath work etc.,

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

150mm Air Valve

100mm Air Valve

80mm Air Valve

50mm Air Valve

25mm Air Valve

Repair and replacement of spares in Starters, MV Panel Board, MV Panel Board, required cables and allied works includind the cost of ATS Coil / FCMA coil rewinding work and excluding the cost of Volt Meter, Ammeter, Single Phase Preventor, timer, MCCB, Contactor and required KVA Capacitor.

Supply,delivery and laying of the following sizes of G.I. Medium class pipes and specials as per IS 1239/part I /1990 including cost, loading , transportation, unloading etc complete and as directed by the TWAD Board Officers

100mm size GI pipe medium

80mm size GI pipe medium

50mm size GI pipe medium

40mm size GI pipe medium

100mm GM Gate valve

80mm GM Gate valve

65mm GM Gate valve

50mm GM Gate valve

40mm GM Gate valve

100mm GM Non Return Vlave

80mm GM Non Return Vlave

50mm GM Non Return Vlave

40mm GM Non Return Vlave

100mm GI bend

80mm GI bend

50mm GI bend

40mm GI bend

100mm GI TEE

80mm GI TEE

50mm GI TEE

40mm GI TEE

100mm GI Hex Nipple

80mm GI Hex Nipple

50mm GI Hex Nipple

40mm GI Hex Nipple

Cutting and threading of GI Pipes.

100mm dia GI Pipe, Cutting

100mm dia GI Pipe, Threading

80mm dia GI Pipe, Cutting

80mm dia GI Pipe, Threading

50mm dia GI Pipe, Cutting

50mm dia GI Pipe, Threading

40mm dia GI Pipe, Cutting

40mm dia GI Pipe, Threading

Supply, delivery and fixing of Fuse unit

63Amps porcelain fuse unit (500V)

100Amps porcelain fuse unit (500V)

200Amps porcelain fuse unit (500V)

Supply ,delivery and fixing of Woltman model (No domestic use) conforming to ISO 4064 part I, II, III Class B and IS-2373 including loading, unloading, transporting and labour charges etc.

Electric Motor protection device against dry running. The device should protect the motor against dry running.The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply (Dry run).

Charges towards Annual CEIG Inspection for the two HT Services (Headworks,Manaiyeripatty BS and Mullur BS)

Charges towards Transformer Oil Testing(Headworks,Manaiyeripatty BS and Mullur BS)

Supply and Delivery of CI D/F Reflux Valve as per IS 5312/2004/Part I/84 PN 1.0

Supply and delivery of Motor oil at Headworks ,Manaiyeripatty BS and Mullur booster station

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of disinfectents such as bleaching powder/ Common Salt as applicable. The supply should be with the quality test certificate from approved organisations.

For the Year 2028 - 2029. (From 01.04.2028 to 31.03.2029)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines, valves and appurtenances,water retaining structures including protection of all scheme 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, carrying out the O & M as per standard operating procedures,Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak,burst, repairs and replacement works to electro mechanical installations, consumables for disinfection of water, cleaning of all water retaining structures, electricity.

Cleaning of all storage points like sumps, stand posts of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, dewatering, desilting using rquired machineries , materials , labour, all incidental chargs , application of bleaching powder/ solution etc complete and as directed by TWAD Board officers

For 5000 to 15000 lit cap sump

For 15001 to 30000 lit cap sump

For 30001 to 45000 lit cap sump

For 45001 to 60000 lit cap sump

For 60001 to 75000 lit cap sump

For 75001 to 100000 lit cap sump

For 100001 to 125000 lit cap sump

For 125001 to 150000 lit cap sump

For 150001 to 175000 lit cap sump

For 175001 to 200000 lit cap sump

For 300000 to 600000 lit cap sump

Attending Leaks in the pipelines for the following items as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, refilling, civil works, cost of materials and all other incidental charges etc complete with in the stipulated time limit as directed by TWAD Borad officials

63mm 4 ksc PVC Pipes

75mm 4 ksc PVC Pipes

90mm 4 ksc PVC Pipes

110mm 4 ksc PVC Pipes

140mm 4 ksc PVC Pipes

160mm 4 ksc PVC Pipes

200mm 4 ksc PVC Pipes

50mm 6 ksc PVC Pipes

63mm 6 ksc PVC Pipes

75mm 6 ksc PVC Pipes

90mm 6 ksc PVC Pipes

110mm 6 ksc PVC Pipes

140mm 6 ksc PVC Pipes

160mm 6 ksc PVC Pipes

200mm 6 ksc PVC Pipes

Attending Leaks in the pipelines for the following items as per the standard procedure including earthwork excavation, dewatering, cutting the damaged portion,welding with new MS plate, finishing with required cement lining ,refilling, including cost of materials and all materials, machineries other incidental charges etc complete with in the stipulated time limit as directed by TWAD Borad officials- Below Ground level

700 mm MS pipe

400 mm MS pipe

600 mm DI pipe

500 mm DI pipe

450 mm DI pipe

400 mm DI pipe

350 mm DI pipe

300 mm DI pipe

250 mm DI pipe

200 mm DI pipe

150 mm DI pipe

Attending Leaks in the pipelines for the following items as per the standard procedure including dewatering, cutting the damaged portion,welding with new MS plate, finishing with required cement lining including cost of materials and all materials, machineries other incidental charges etc complete with in the stipulated time limit as directed by TWAD Borad officials-Above Ground level

700 mm MS pipe

500 mm MS pipe

400 mm MS pipe

250 mm MS pipe

200 mm MS pipe

Attending Leaks in the DI pipelines joints of this CWSS for the following items as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing,civil works, hire charges of all equipments, cost of all materials such as cement, Quick setting compound, Hemp Yarn and lead wool and all other incidental charges etc complete with in the stipulated time limit and as directed by TWAD board Officers

600 mm DI pipe

500 mm DI pipe

450 mm DI pipe

400 mm DI pipe

350 mm DI pipe

300 mm DI pipe

250 mm DI pipe

200 mm DI pipe

150 mm DI pipe

Attending Leaks in the GI pipelines joints of this CWSS for the following items as per the standard procedure including supply of materials, removing, relaying, jointing, hire charges of all equipments and other incidental charges etc complete with in the stipulated time limit as directed by TWAD Borad officials- Above Ground level

Rewinding of motors in pumping station in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per standard specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.8 of General conditions of Contract Part II etc as directed by TWAD Board officers

Repairing and reconditioning of Pump for 150 HP Vertical Turbine Pumpset including all material,labour,etc at Head works,Thiruchennampoondi & Mullur BS

FOR MOTOR

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges.

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.

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

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor.

Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Booster Station at Thiruverumbur

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.,

For Pump

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

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

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

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.

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

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

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

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

For Materials

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)

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)

Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly

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.

Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete)

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.

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.

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.

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.

Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset

Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers

Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers

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

Supply and delivery of Load Bearing (Ratchet assembly) including Required Grade lubricating components

Repairing and reconditioning of Pump for 180 HP Vertical Turbine Pumpset including all material,labour,etc at Booster Station -I Manaiyeripatty

FOR MOTOR

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges.

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.

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

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor.

Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Booster Station at Thiruverumbur

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.,

For Pump

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

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

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

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.

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

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

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

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

Supply,delivery and fixing of the following Materials required for attending repairs in VT Pumpset

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)

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)

Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly

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.

Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete)

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.

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.

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.

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.

Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset

Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers

Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers

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

Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components

Attending the Repair and Renewal works in 15 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 12.5 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 10 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 7.5 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 5 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 3 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 2 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 1 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Attending the Repair and Renewal works in 0.5 HP Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

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.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

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.

Labour Charges for Repair and replacement of spares in DOL and Star Delta Starters, MV Panel Board with required cables and allied works excluding the cost of Volt Meter, Ammeter, Single Phase Preventor, timer, MCCB,Contactor and required KVA Capacitor.

15 HP - STAR DELTA

10 HP - STAR DELTA

7.5 HP - STAR DELTA

5 HP - DOL

3 HP - DOL

2 HP - DOL

1 HP - DOL

0.5 HP - DOL

Labour charges for Repair and replacement of spares in ATS Starters, MV Panel Board, required cables and allied works includind the cost of ATS Coil / FCMA coil rewinding work and excluding the cost of Volt Meter, Ammeter, Single Phase Preventor, timer, MCCB, Contactor and required KVA Capacitor.

Supply ,delivery and fixing of the following starters

Replacement of Starter (ATS) -15 HP

Replacement of Starter(ATS)- 12.5 HP

Replacement of Starter (STAR DELTA)

Supplying and laying of XLPE insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to IS 7098 / part 1.)

3.5 C x 25 Sqmm (Aluminium) flat type Aluminium cable

Supply, delivery and fixing of the following Electrical works:consumable items at the site of work carry out the general maintenance works

Digital Volt meter-3 Phase

Digital Ammeter -3 Phase

MCB 32A -TP

MCB 63A - TP

MCB 100A - TP

Overload relay - Upto 5A

Overload relay - 5A to 10A

Overload relay - 10A to 20A

LED Outdoor fittings a)30 W LED street light fittings

Change Over Switch

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50 HZ conforming to ISS:2834 with ISI marking

Supply and delivery of Transformer oil at Headworks ,Mnaiyeripatty BS and Mullur booster station

Supply, delivery of CI D/F non return valve as per IS 5312/2004/Part I 84 PN 1.0 with ISI marking

300mm NRV

Supply and delivery of MCCB - 3P - 400Amps

Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1.

Charges for Repair and Reconditioning of the Sluice Valves and Air Valves fixed in the Pumping Main, Feeder Main and Branch Main including cost of all materials and labour charges etc., complete

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.

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.,

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.,

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.

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.

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 lath work etc.,

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

150mm Air Valve

100mm Air Valve

80mm Air Valve

50mm Air Valve

25mm Air Valve

Repair and replacement of spares in Starters, MV Panel Board, MV Panel Board, required cables and allied works includind the cost of ATS Coil / FCMA coil rewinding work and excluding the cost of Volt Meter, Ammeter, Single Phase Preventor, timer, MCCB, Contactor and required KVA Capacitor.

Supply,delivery and laying of the following sizes of G.I. Medium class pipes and specials as per IS 1239/part I /1990 including cost, loading , transportation, unloading etc complete and as directed by the TWAD Board Officers

100mm size GI pipe medium

80mm size GI pipe medium

50mm size GI pipe medium

40mm size GI pipe medium

100mm GM Gate valve

80mm GM Gate valve

65mm GM Gate valve

50mm GM Gate valve

40mm GM Gate valve

100mm GM Non Return Vlave

80mm GM Non Return Vlave

50mm GM Non Return Vlave

40mm GM Non Return Vlave

100mm GI bend

80mm GI bend

50mm GI bend

40mm GI bend

100mm GI TEE

80mm GI TEE

50mm GI TEE

40mm GI TEE

100mm GI Hex Nipple

80mm GI Hex Nipple

50mm GI Hex Nipple

40mm GI Hex Nipple

Cutting and threading of GI Pipes.

100mm dia GI Pipe, Cutting

100mm dia GI Pipe, Threading

80mm dia GI Pipe, Cutting

80mm dia GI Pipe, Threading

50mm dia GI Pipe, Cutting

50mm dia GI Pipe, Threading

40mm dia GI Pipe, Cutting

40mm dia GI Pipe, Threading

Supply, delivery and fixing of Fuse unit

63Amps porcelain fuse unit (500V)

100Amps porcelain fuse unit (500V)

200Amps porcelain fuse unit (500V)

Supply ,delivery and fixing of Woltman model (No domestic use) conforming to ISO 4064 part I, II, III Class B and IS-2373 including loading, unloading, transporting and labour charges etc.

Electric Motor protection device against dry running. The device should protect the motor against dry running.The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply (Dry run).

Charges towards Annual CEIG Inspection for the two HT Services (Headworks,Manaiyeripatty BS and Mullur BS)

Charges towards Transformer Oil Testing(Headworks,Manaiyeripatty BS and Mullur BS)

Supply and Delivery of CI D/F Reflux Valve as per IS 5312/2004/Part I/84 PN 1.0

Supply and delivery of Motor oil at Headworks ,Manaiyeripatty BS and Mullur booster station

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of disinfectents such as bleaching powder/ Common Salt as applicable. The supply should be with the quality test certificate from approved organisations.

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