Operation and Maintenance of 12 Nos CWSS in Tenkasi Diistrict

Operation and maintenance of the 12 Nos of CWSS in Tenkasi District including repair, rectification works and supply of chemicals for the period from 01.04.2026 to 31.03.2029 (Package 12)

CWSS TO Sencottai Municipality, 4 TPs and UTP and AND 47 Rural Habitations in Tenkasi District

CWSS TO Keelapavur UTP, Iyathankattalai and 31 Habitations in Kadayam & Keelapavoor Union in Tenkasi District

CWSS TO Ayikudi, Achampudur, Vadakarai, Kilpadugai, Panpozhi and 151 Rural habitations in Kadayam, Keelapavoor, Tenkasi and Schencottai Union in Tenkasi District

CWSS TO Vasudevanallur, Rayagiri, Sivagiri, Alangulam TPs and 78 Other habitations in Tenkasi District and Bulk provision to Srivilliputhur Municipality and way side habitations in Virudhunagar District

CWSS TO Sankarankovil , Puliyankudi in Tenkasi District

CWSS TO Kadayanallur, Puliyankudi Municipalities, Surandai, Sundarapandiyapuram, Sambavarvadakarai Town Panchayats and 114 Way side habitations in Tenkasi District

CWSS TO Tenkasi MPTY, Courtallam, Ilanji and Melagaram TP in Tenkasi District

CWSS TO Venkadampatti - Poolankulam in Tenkasi District

Augmentation of WSS to 147 rural habitations under Sankarankoil and Alangulam CWSS in Tirunelveli District

CWSS TO 31 Habitations in Alangulam Union in Tenkasi District

CWSS TO Sankarankoil - Puliyankudi Municipalities, Thiruvenkadam Town Panchayat in Tenkasi District and Rajapalayam, Sivakasi, Thiruthangal Municipalities in Virudhunagar District

CWSS TO Keelapavoor Town Panchayat ( PART) and 163 Rural Habitations in Kadayam ( PART) Pappakudi ( PART ), Keelapavoor ( PART ) Unions in Tenkasi District

Total Basic Value

Add GST @18% on Basic Value

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NUMBER #

For the year 2026-27 (From 01.04.2026 to 31.03.2027)

OUTSOURCING IN MLD

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure 8.32 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity etc complete and as directed by TWAD Board officers . Totally 3036.80 ML (8.32*365 days)

Attending collar Leaks occurred in all the size, class and material of pipes in all the pipelines of this CWSS for the following items round the clock as per the standard specifications including earthwork excavation ,removal of slushy soil, labour charges, civil works, cost of materials, dewatering , genset, welding unit,and providing night lamps, barrigading arrangements, caution sign boards ,trafic diversion arrangements and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of PSC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PSC Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

Supply and delivery of Hard crete oil as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

Supply and delivery of cement including loading, unloading and transportation charges etc., and as directed by TWAD Board Officers

400 mm PSC Pipe

450 mm PSC Pipe

500 mm PSC Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete and as directed by TWAD Board officers

400 mm PSC Pipe

450 mm PSC Pipe

500 mm PSC Pipe

Refilling with excavated soil (other than sand) complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

PSC Pipes of various sizes

Attending leaks in the pipelines of this CWSS for the following items as per the standard procedure including earthwork excavation , dewatering , removing , relaying, jointing civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of AC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

Hire charges for welding unit including cost of welding rod,gas unit for cutting,fabrication of MS pipes and specials including Transportation,loading unloading and all other charges.

400mm MS pipe

450mm MS pipe

500mm MS pipe

Hire charges for Generator for electric current for attending leaks including light fuel, crew, Transportation,loading unloading and all other charges etc., complete and as directed by TWAD Board officers.

400mm MS pipe

450mm MS pipe

500mm MS pipe

Supply and Delivery of MS specials as per IS 7322-1985 without inside lining and outside coating inclusive of transporation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers.

400mm MS pipe

400mm Machine end

450mm MS pipe

450mm Machine end

500mm MS pipe

500mm Machine end

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

400mm MS pipe

450mm MS pipe

500mm MS pipe

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II etc., complete and as directed by the TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

For AC Pipes of various sizes

For PSC Pipes of various sizes

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

Supply and delivery of the following sizes of AC PRESSURE PIPES of CLASS 15 confirming to the IS 1592/2003 inclusive of transportation charges anywhere in Tamilnadu etc. complete and as directed by TWAD Board officers.

150 mm AC Pipes Class 15

200 mm AC Pipes Class 15

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

406.4 mm x 4 mm thick MS PIPE

457 mm x 4 mm thick MS PIPE

508 mm x 5 mm thick MS PIPE

Supply and delivery of following sizes of PVC Specials conforming to IS specifications at site of work including loading, unloading,transportation, insurance, etc., Complete and as directed by TWAD Bd. officers.

63 mm PVC Coupler Fabricated 4 KSC

75 mm PVC Coupler Fabricated 4 KSC

90 mm PVC Coupler Fabricated 4 KSC

110 mm PVC Coupler Fabricated 4 KSC

140 mm PVC Coupler Fabricated 4 KSC

160 mm PVC Coupler Fabricated 4 KSC

Supply and Delivery of CID Joint Class 15 inclusive of transportation charges anywhere in Tamilnadu as directed by TWAD Board officers

150 mm AC Pipes Class 15

200 mm AC Pipes Class 15

Supply and delivery of Burst Arresting Flexible SS Clamps of wrap around Single section type upto 500mm diameter and maxi range double section type beyond 500mm OD of all rigid pipe sections. The clamp made of stainless steel SS304 metallic body of 0.8 to 1.0mm maximum thickness pasted with waffle gaskets of Natural / Nitrile / EPDM grade ( BS EN681-1) and fitted with self stabilizing finger type clamps of 200mm length SG grade malleable cast iron duly powder coated (BS2789 grade 400/12 ) and connected through fasteners of EN8 material with Zinc Coating ( BS 970 ) . Suitable width of the clamps to be decided by the Engineer incharge at site depending on the nature of pipe crack etc., complete and as directed by TWAD Board officers.

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

Removing following the burst PVC / AC / PSC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers.

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

150 mm dia AC Class 15 Pipe

200 mm dia AC Class 15 Pipe

400 mm PSC Pipes

450 mm PSC Pipes

500 mm PSC Pipes

Supply and delivery of the following sizes of GI Pipes and specials confirming to IS other specifications as amended from time to time with ISI marking and solvent cement as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges etc. complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

REPAIR AND RECONDITIONING OF PUMPSETS

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-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

Rewinding of motor and reconditioning pump and repair works to 7.5 HP Open Well Submersible Pump Set (1221 LPM X 15 M) including cost of all material ,conveyance ,labour charges for removing and re-erection of Submersible pumpset at urkaduHead Works in Infiltration Well --14Nos.

Rewinding of motor and repair works to 170 HP centrifugal HSC Motor (8548 lpm x61 m Head) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Head Works Pump Room - 2 Nos

Repair and reconditioning works in 170 HP HSC centrifugal Pump ( 8548 lpm x 61 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump at Urakadu Head Works Pump Room - 2 Nos

Pottalpudur sump

Rewinding of motor and repair works to 170 HP centrifugal HSC Motor (7362 lpm x70 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Pump Room - 2 Nos.

Repair and reconditioning works in 170 HP HSC centrifugal Pump ( 7362 lpm x 70 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump at Pottalpudur Pump Room - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 10HP Submercible Pump set ( 424 lpm x 72 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 5HP Submercible Pump set (357 lpm x 24 m Head) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos

Rewinding of motor and reconditioning pump and repair works to3HP Submercible Pump set (75 lpm x60 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos

Rewinding of motor and reconditioning pump and repair works to2HP Submercible Pump set (50 lpm x60 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos

MADHAPURAM SUMP

Rewinding of motor and repair works to 175 HP centrifugal HSC Motor (7192 lpm x66 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Pump Room - 2 Nos

Repair and reconditioning works in 175 HP HSC centrifugal Pump ( 7192 lpm x 66 m Head ) including cost of all material excluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump at Pottalpudur Pump Room - 2 Nos

Rewinding of motor and reconditioning pump and repair works to3 HP centrifugal Monobloc Pump set ( 161 LPM X 25M HEAD) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Madhapuram - 2 Nos

Rewinding of motor and reconditioning pump and repair works to1HP Submercible Pump set (75 lpm x40 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Madhapuram Pump Room to - 2 Nos

Kudiyiruppu pump room

Rewinding of motor and repair works to 75HP centrifugal HSC Motor (5650 lpm x40 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Pump Room - 2 Nos

Repair and reconditioning works in 75 HP HSC centrifugal Pump ( 5650 lpm x40 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump at Kudiyiruppu Pump Room - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 7.5HP centrifugal Monobloc Pump set ( 358lpm x 40m )including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Kudiyiruppu Pump Room to Coutrallam - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 7.5HP centrifugal Monobloc Pump set ( 944lpm x 21m )including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Kudiyiruppu Pump Room to Coutrallam - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 5HP centrifugal Monobloc Pump set ( 240lpm x38m )including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Kudiyiruppu Pump Room to way side habitations 2 Nos

SUMP AT VALLAM

Rewinding of motor and reconditioning pump and repair works to 7.5 HP (566LPM x 26M Head) centrifugal Monobloc Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Vallam - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 7.5 HP (412LPM x 39m) centrifugal Monobloc Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Vallam- 2 Nos

SUMP AT SHENKOTTAI

Rewinding of motor and reconditioning pump and repair works to 7.5 HP centrifugal Monobloc Pump set ( 221 LPM X 48M Head 0t including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set - 2 nos

Rewinding of motor and reconditioning pump and repair works to 7.5 HP centrifugal Monobloc Pump set (626 Lpm x 21M Head)including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set - 2 Nos

Sump at KATTALAIKUDIYIRUUPU

Rewinding of motor and reconditioning pump and repair works to 15 HP (650Lpm x 45m Head) centrifugal Monobloc Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set - 2 nos

Rewinding of motor and reconditioning pump and repair works to 15 HP ( 596 Lpm x 51m Head) centrifugal Monobloc Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set - 2 Nos

Attending cable fault for infiltration well for 7.5 HP Submersible Motor to Main Board at Oorkadu Head works Pump room

Supply, delivery of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated and steel Armoured aluminium cable as per I.S.1554 for following Wells submersible motor to main panel board.

Laying of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated steel Armoured aluminium cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.

Jonting the 1.1KV grade 3 Core 35 SQ mm PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials etc complete directed by the TWAD Board officers.

Replacement of 32-400 Amps 4 Pole & 3 Pole MCCB Switch in the Head works and other pumprooms inclusive of handling charges and F.O.R destination etc complete directed by the TWAD Board officers.

4 Pole MCCB

3 Pole MCCB

Supply and delivery of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. etc., complete and as directed by TWAD Board Officers

9 Amps\440V

12 Amps\440V

18 Amps\440V

25 Amps\440V

32 Amps\440V

40 Amps\440V

45 Amps\440V

70 Amps\440V

95 Amps\440V

140 Amps\440V

550 Amps\440V

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 10A-20A

Upto 20A-30A

Upto 30A-50A

Upto 50A-75A

Upto 75A-110A

Upto 200A-300A

Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply etc., complete and as directed by TWAD Board Officers

Electric Motor protection device against dry running. The device should protect the motor against Dry running. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply etc., complete and as directed by TWAD Board Officers.

Attending Major Repair works to 250KVA TransformerAt head works,Pottalpudur sump and Mathapuram sump HT supply

Labour charges for dismantling of 250 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value improvement work 900c for 2 days to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for transformer tank cleaning and painting work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 250 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Labour charges for dismantling of 315 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value improvement work 900c for 2 days to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for transformer tank cleaning and painting work to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 315 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately) and as directed by TWAD Board Officers

For 2 HP Starter - 1No

For 3 HP Starter - 1 No

For 5 HP Starter - 1 No

For 7.5 HP Starter - 1No

For 10 HP Starter - 1No

For 15 HP Starter - 1No

Carrying out the repair works occuring during the maintenance period in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all charges for dismantling, repair, reinstallation, conveyance, cost of materials and all other incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II. etc complete and as directed by TWAD Board officers

Attending Repair , Rectification and reconditioning of CI Sluice valve / CI NRV valve including cost of all materials , conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

500 mm CI Sluice valve

400 mm CI Sluice valve

250 mm CI Scour valve

300 mm CI Sluice valve

300 mm CI NRV valve

200 mm CI Sluice valve

200 mm CI NRV valve

150 mm CI Sluice valve

150 mm CI NRV valve

100 mm CI Sluice valve

100 mm CI NRV valve

Supply, delivery and fixing of following size of Gate valves in OHT's including transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board Ofificers.

50 mm Gate valve

65 mm Gate valve

80 mm Gate valve

100 mm Gate valve

Supply and delivery 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 etc., complete and as directed by TWAD Board Ofificers.

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

COST OF CHEMICALS

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

Removal of sediments and deposition of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall using wire brushes, brooms, collecting , lifting of the deposited slit particles on above the sump and washing side wall and the slab using bleaching powder etc., complete and as directed by TWAD Board officers

5.00 LL capacity of sump @ head works,Pottalpudur,Madhapuram

3.5 LL capacity of sump @ shencottai

1.00 LL capacity of sump @ Vallam and Kattalaikudiyiruupu

0.15 LL capacity of sump @ Schenkottai

0.15 LL capacity of sump @ Shencottai

For the year 2026-27 (From 01.04.2027 to 31.03.2028)

For the year 2027-28 (From 01.04.2027 to 31.03.2028)

OUTSOURCING IN MLD

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure 8.32 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity etc complete and as directed by TWAD Board officers . Totally 3036.80 ML (8.32*365 days)

Attending collar Leaks occurred in all the size, class and material of pipes in all the pipelines of this CWSS for the following items round the clock as per the standard specifications including earthwork excavation ,removal of slushy soil, labour charges, civil works, cost of materials, dewatering , genset, welding unit,and providing night lamps, barrigading arrangements, caution sign boards ,trafic diversion arrangements and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of PSC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PSC Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

Supply and delivery of Hard crete oil as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

Supply and delivery of cement including loading, unloading and transportation charges etc., and as directed by TWAD Board Officers

400 mm PSC Pipe

450 mm PSC Pipe

500 mm PSC Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete and as directed by TWAD Board officers

400 mm PSC Pipe

450 mm PSC Pipe

500 mm PSC Pipe

Refilling with excavated soil (other than sand) complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

PSC Pipes of various sizes

Attending leaks in the pipelines of this CWSS for the following items as per the standard procedure including earthwork excavation , dewatering , removing , relaying, jointing civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of AC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

Hire charges for welding unit including cost of welding rod,gas unit for cutting,fabrication of MS pipes and specials including Transportation,loading unloading and all other charges.

400mm MS pipe

450mm MS pipe

500mm MS pipe

Hire charges for Generator for electric current for attending leaks including light fuel, crew, Transportation,loading unloading and all other charges etc., complete and as directed by TWAD Board officers.

400mm MS pipe

450mm MS pipe

500mm MS pipe

Supply and Delivery of MS specials as per IS 7322-1985 without inside lining and outside coating inclusive of transporation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers.

400mm MS pipe

400mm Machine end

450mm MS pipe

450mm Machine end

500mm MS pipe

500mm Machine end

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

400mm MS pipe

450mm MS pipe

500mm MS pipe

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II etc., complete and as directed by the TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

For AC Pipes of various sizes

For PSC Pipes of various sizes

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

Supply and delivery of the following sizes of AC PRESSURE PIPES of CLASS 15 confirming to the IS 1592/2003 inclusive of transportation charges anywhere in Tamilnadu etc. complete and as directed by TWAD Board officers.

150 mm AC Pipes Class 15

200 mm AC Pipes Class 15

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

406.4 mm x 4 mm thick MS PIPE

457 mm x 4 mm thick MS PIPE

508 mm x 5 mm thick MS PIPE

Supply and delivery of following sizes of PVC Specials conforming to IS specifications at site of work including loading, unloading,transportation, insurance, etc., Complete and as directed by TWAD Bd. officers.

63 mm PVC Coupler Fabricated 4 KSC

75 mm PVC Coupler Fabricated 4 KSC

90 mm PVC Coupler Fabricated 4 KSC

110 mm PVC Coupler Fabricated 4 KSC

140 mm PVC Coupler Fabricated 4 KSC

160 mm PVC Coupler Fabricated 4 KSC

Supply and Delivery of CID Joint Class 15 inclusive of transportation charges anywhere in Tamilnadu as directed by TWAD Board officers

150 mm AC Pipes Class 15

200 mm AC Pipes Class 15

Supply and delivery of Burst Arresting Flexible SS Clamps of wrap around Single section type upto 500mm diameter and maxi range double section type beyond 500mm OD of all rigid pipe sections. The clamp made of stainless steel SS304 metallic body of 0.8 to 1.0mm maximum thickness pasted with waffle gaskets of Natural / Nitrile / EPDM grade ( BS EN681-1) and fitted with self stabilizing finger type clamps of 200mm length SG grade malleable cast iron duly powder coated (BS2789 grade 400/12 ) and connected through fasteners of EN8 material with Zinc Coating ( BS 970 ) . Suitable width of the clamps to be decided by the Engineer incharge at site depending on the nature of pipe crack etc., complete and as directed by TWAD Board officers.

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

Removing following the burst PVC / AC / PSC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers.

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

150 mm dia AC Class 15 Pipe

200 mm dia AC Class 15 Pipe

400 mm PSC Pipes

450 mm PSC Pipes

500 mm PSC Pipes

Supply and delivery of the following sizes of GI Pipes and specials confirming to IS other specifications as amended from time to time with ISI marking and solvent cement as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges etc. complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

REPAIR AND RECONDITIONING OF PUMPSETS

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-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

Rewinding of motor and reconditioning pump and repair works to 7.5 HP Open Well Submersible Pump Set (1221 LPM X 15 M) including cost of all material ,conveyance ,labour charges for removing and re-erection of Submersible pumpset at urkaduHead Works in Infiltration Well --14Nos.

Rewinding of motor and repair works to 170 HP centrifugal HSC Motor (8548 lpm x61 m Head) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Head Works Pump Room - 2 Nos

Repair and reconditioning works in 170 HP HSC centrifugal Pump ( 8548 lpm x 61 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump at Urakadu Head Works Pump Room - 2 Nos

Pottalpudur sump

Rewinding of motor and repair works to 170 HP centrifugal HSC Motor (7362 lpm x70 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Pump Room - 2 Nos.

Repair and reconditioning works in 170 HP HSC centrifugal Pump ( 7362 lpm x 70 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump at Pottalpudur Pump Room - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 10HP Submercible Pump set ( 424 lpm x 72 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 5HP Submercible Pump set (357 lpm x 24 m Head) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos

Rewinding of motor and reconditioning pump and repair works to3HP Submercible Pump set (75 lpm x60 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos

Rewinding of motor and reconditioning pump and repair works to2HP Submercible Pump set (50 lpm x60 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos

MADHAPURAM SUMP

Rewinding of motor and repair works to 175 HP centrifugal HSC Motor (7192 lpm x66 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Pump Room - 2 Nos

Repair and reconditioning works in 175 HP HSC centrifugal Pump ( 7192 lpm x 66 m Head ) including cost of all material excluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump at Pottalpudur Pump Room - 2 Nos

Rewinding of motor and reconditioning pump and repair works to3 HP centrifugal Monobloc Pump set ( 161 LPM X 25M HEAD) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Madhapuram - 2 Nos

Rewinding of motor and reconditioning pump and repair works to1HP Submercible Pump set (75 lpm x40 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Madhapuram Pump Room to - 2 Nos

Kudiyiruppu pump room

Rewinding of motor and repair works to 75HP centrifugal HSC Motor (5650 lpm x40 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Pump Room - 2 Nos

Repair and reconditioning works in 75 HP HSC centrifugal Pump ( 5650 lpm x40 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump at Kudiyiruppu Pump Room - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 7.5HP centrifugal Monobloc Pump set ( 358lpm x 40m )including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Kudiyiruppu Pump Room to Coutrallam - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 7.5HP centrifugal Monobloc Pump set ( 944lpm x 21m )including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Kudiyiruppu Pump Room to Coutrallam - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 5HP centrifugal Monobloc Pump set ( 240lpm x38m )including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Kudiyiruppu Pump Room to way side habitations 2 Nos

SUMP AT VALLAM

Rewinding of motor and reconditioning pump and repair works to 7.5 HP (566LPM x 26M Head) centrifugal Monobloc Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Vallam - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 7.5 HP (412LPM x 39m) centrifugal Monobloc Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Vallam- 2 Nos

SUMP AT SHENKOTTAI

Rewinding of motor and reconditioning pump and repair works to 7.5 HP centrifugal Monobloc Pump set ( 221 LPM X 48M Head 0t including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set - 2 nos

Rewinding of motor and reconditioning pump and repair works to 7.5 HP centrifugal Monobloc Pump set (626 Lpm x 21M Head)including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set - 2 Nos

Sump at KATTALAIKUDIYIRUUPU

Rewinding of motor and reconditioning pump and repair works to 15 HP (650Lpm x 45m Head) centrifugal Monobloc Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set - 2 nos

Rewinding of motor and reconditioning pump and repair works to 15 HP ( 596 Lpm x 51m Head) centrifugal Monobloc Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set - 2 Nos

Attending cable fault for infiltration well for 7.5 HP Submersible Motor to Main Board at Oorkadu Head works Pump room

Supply, delivery of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated and steel Armoured aluminium cable as per I.S.1554 for following Wells submersible motor to main panel board.

Laying of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated steel Armoured aluminium cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.

Jonting the 1.1KV grade 3 Core 35 SQ mm PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials etc complete directed by the TWAD Board officers.

Replacement of 32-400 Amps 4 Pole & 3 Pole MCCB Switch in the Head works and other pumprooms inclusive of handling charges and F.O.R destination etc complete directed by the TWAD Board officers.

4 Pole MCCB

3 Pole MCCB

Supply and delivery of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. etc., complete and as directed by TWAD Board Officers

9 Amps\440V

12 Amps\440V

18 Amps\440V

25 Amps\440V

32 Amps\440V

40 Amps\440V

45 Amps\440V

70 Amps\440V

95 Amps\440V

140 Amps\440V

550 Amps\440V

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 10A-20A

Upto 20A-30A

Upto 30A-50A

Upto 50A-75A

Upto 75A-110A

Upto 200A-300A

Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply etc., complete and as directed by TWAD Board Officers

Electric Motor protection device against dry running. The device should protect the motor against Dry running. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply etc., complete and as directed by TWAD Board Officers.

Attending Major Repair works to 250KVA TransformerAt head works,Pottalpudur sump and Mathapuram sump HT supply

Labour charges for dismantling of 250 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value improvement work 900c for 2 days to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for transformer tank cleaning and painting work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 250 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Labour charges for dismantling of 315 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value improvement work 900c for 2 days to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for transformer tank cleaning and painting work to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 315 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately) and as directed by TWAD Board Officers

For 2 HP Starter - 1No

For 3 HP Starter - 1 No

For 5 HP Starter - 1 No

For 7.5 HP Starter - 1No

For 10 HP Starter - 1No

For 15 HP Starter - 1No

Carrying out the repair works occuring during the maintenance period in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all charges for dismantling, repair, reinstallation, conveyance, cost of materials and all other incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II. etc complete and as directed by TWAD Board officers

Attending Repair , Rectification and reconditioning of CI Sluice valve / CI NRV valve including cost of all materials , conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

500 mm CI Sluice valve

400 mm CI Sluice valve

250 mm CI Scour valve

300 mm CI Sluice valve

300 mm CI NRV valve

200 mm CI Sluice valve

200 mm CI NRV valve

150 mm CI Sluice valve

150 mm CI NRV valve

100 mm CI Sluice valve

100 mm CI NRV valve

Supply, delivery and fixing of following size of Gate valves in OHT's including transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board Ofificers.

50 mm Gate valve

65 mm Gate valve

80 mm Gate valve

100 mm Gate valve

Supply and delivery 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 etc., complete and as directed by TWAD Board Ofificers.

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

COST OF CHEMICALS

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

Removal of sediments and deposition of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall using wire brushes, brooms, collecting , lifting of the deposited slit particles on above the sump and washing side wall and the slab using bleaching powder etc., complete and as directed by TWAD Board officers

5.00 LL capacity of sump @ head works,Pottalpudur,Madhapuram

3.5 LL capacity of sump @ shencottai

1.00 LL capacity of sump @ Vallam and Kattalaikudiyiruupu

0.15 LL capacity of sump @ Schenkottai

0.15 LL capacity of sump @ Shencottai

For the year 2028-29 (From 01.04.2027 to 31.03.2028)

OUTSOURCING IN MLD

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure 8.32 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity etc complete and as directed by TWAD Board officers . Totally 3036.80 ML (8.32*365 days)

Attending collar Leaks occurred in all the size, class and material of pipes in all the pipelines of this CWSS for the following items round the clock as per the standard specifications including earthwork excavation ,removal of slushy soil, labour charges, civil works, cost of materials, dewatering , genset, welding unit,and providing night lamps, barrigading arrangements, caution sign boards ,trafic diversion arrangements and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of PSC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PSC Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

Supply and delivery of Hard crete oil as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

Supply and delivery of cement including loading, unloading and transportation charges etc., and as directed by TWAD Board Officers

400 mm PSC Pipe

450 mm PSC Pipe

500 mm PSC Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete and as directed by TWAD Board officers

400 mm PSC Pipe

450 mm PSC Pipe

500 mm PSC Pipe

Refilling with excavated soil (other than sand) complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

PSC Pipes of various sizes

Attending leaks in the pipelines of this CWSS for the following items as per the standard procedure including earthwork excavation , dewatering , removing , relaying, jointing civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of AC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

Hire charges for welding unit including cost of welding rod,gas unit for cutting,fabrication of MS pipes and specials including Transportation,loading unloading and all other charges.

400mm MS pipe

450mm MS pipe

500mm MS pipe

Hire charges for Generator for electric current for attending leaks including light fuel, crew, Transportation,loading unloading and all other charges etc., complete and as directed by TWAD Board officers.

400mm MS pipe

450mm MS pipe

500mm MS pipe

Supply and Delivery of MS specials as per IS 7322-1985 without inside lining and outside coating inclusive of transporation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers.

400mm MS pipe

400mm Machine end

450mm MS pipe

450mm Machine end

500mm MS pipe

500mm Machine end

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

400mm MS pipe

450mm MS pipe

500mm MS pipe

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II etc., complete and as directed by the TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

For AC Pipes of various sizes

For PSC Pipes of various sizes

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

Supply and delivery of the following sizes of AC PRESSURE PIPES of CLASS 15 confirming to the IS 1592/2003 inclusive of transportation charges anywhere in Tamilnadu etc. complete and as directed by TWAD Board officers.

150 mm AC Pipes Class 15

200 mm AC Pipes Class 15

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

406.4 mm x 4 mm thick MS PIPE

457 mm x 4 mm thick MS PIPE

508 mm x 5 mm thick MS PIPE

Supply and delivery of following sizes of PVC Specials conforming to IS specifications at site of work including loading, unloading,transportation, insurance, etc., Complete and as directed by TWAD Bd. officers.

63 mm PVC Coupler Fabricated 4 KSC

75 mm PVC Coupler Fabricated 4 KSC

90 mm PVC Coupler Fabricated 4 KSC

110 mm PVC Coupler Fabricated 4 KSC

140 mm PVC Coupler Fabricated 4 KSC

160 mm PVC Coupler Fabricated 4 KSC

Supply and Delivery of CID Joint Class 15 inclusive of transportation charges anywhere in Tamilnadu as directed by TWAD Board officers

150 mm AC Pipes Class 15

200 mm AC Pipes Class 15

Supply and delivery of Burst Arresting Flexible SS Clamps of wrap around Single section type upto 500mm diameter and maxi range double section type beyond 500mm OD of all rigid pipe sections. The clamp made of stainless steel SS304 metallic body of 0.8 to 1.0mm maximum thickness pasted with waffle gaskets of Natural / Nitrile / EPDM grade ( BS EN681-1) and fitted with self stabilizing finger type clamps of 200mm length SG grade malleable cast iron duly powder coated (BS2789 grade 400/12 ) and connected through fasteners of EN8 material with Zinc Coating ( BS 970 ) . Suitable width of the clamps to be decided by the Engineer incharge at site depending on the nature of pipe crack etc., complete and as directed by TWAD Board officers.

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

Removing following the burst PVC / AC / PSC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers.

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

150 mm dia AC Class 15 Pipe

200 mm dia AC Class 15 Pipe

400 mm PSC Pipes

450 mm PSC Pipes

500 mm PSC Pipes

Supply and delivery of the following sizes of GI Pipes and specials confirming to IS other specifications as amended from time to time with ISI marking and solvent cement as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges etc. complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

REPAIR AND RECONDITIONING OF PUMPSETS

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-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

Rewinding of motor and reconditioning pump and repair works to 7.5 HP Open Well Submersible Pump Set (1221 LPM X 15 M) including cost of all material ,conveyance ,labour charges for removing and re-erection of Submersible pumpset at urkaduHead Works in Infiltration Well --14Nos.

Rewinding of motor and repair works to 170 HP centrifugal HSC Motor (8548 lpm x61 m Head) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Head Works Pump Room - 2 Nos

Repair and reconditioning works in 170 HP HSC centrifugal Pump ( 8548 lpm x 61 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump at Urakadu Head Works Pump Room - 2 Nos

Pottalpudur sump

Rewinding of motor and repair works to 170 HP centrifugal HSC Motor (7362 lpm x70 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Pump Room - 2 Nos.

Repair and reconditioning works in 170 HP HSC centrifugal Pump ( 7362 lpm x 70 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump at Pottalpudur Pump Room - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 10HP Submercible Pump set ( 424 lpm x 72 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 5HP Submercible Pump set (357 lpm x 24 m Head) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos

Rewinding of motor and reconditioning pump and repair works to3HP Submercible Pump set (75 lpm x60 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos

Rewinding of motor and reconditioning pump and repair works to2HP Submercible Pump set (50 lpm x60 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos

MADHAPURAM SUMP

Rewinding of motor and repair works to 175 HP centrifugal HSC Motor (7192 lpm x66 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Pump Room - 2 Nos

Repair and reconditioning works in 175 HP HSC centrifugal Pump ( 7192 lpm x 66 m Head ) including cost of all material excluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump at Pottalpudur Pump Room - 2 Nos

Rewinding of motor and reconditioning pump and repair works to3 HP centrifugal Monobloc Pump set ( 161 LPM X 25M HEAD) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Madhapuram - 2 Nos

Rewinding of motor and reconditioning pump and repair works to1HP Submercible Pump set (75 lpm x40 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Madhapuram Pump Room to - 2 Nos

Kudiyiruppu pump room

Rewinding of motor and repair works to 75HP centrifugal HSC Motor (5650 lpm x40 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Pump Room - 2 Nos

Repair and reconditioning works in 75 HP HSC centrifugal Pump ( 5650 lpm x40 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump at Kudiyiruppu Pump Room - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 7.5HP centrifugal Monobloc Pump set ( 358lpm x 40m )including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Kudiyiruppu Pump Room to Coutrallam - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 7.5HP centrifugal Monobloc Pump set ( 944lpm x 21m )including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Kudiyiruppu Pump Room to Coutrallam - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 5HP centrifugal Monobloc Pump set ( 240lpm x38m )including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Kudiyiruppu Pump Room to way side habitations 2 Nos

SUMP AT VALLAM

Rewinding of motor and reconditioning pump and repair works to 7.5 HP (566LPM x 26M Head) centrifugal Monobloc Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Vallam - 2 Nos

Rewinding of motor and reconditioning pump and repair works to 7.5 HP (412LPM x 39m) centrifugal Monobloc Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Vallam- 2 Nos

SUMP AT SHENKOTTAI

Rewinding of motor and reconditioning pump and repair works to 7.5 HP centrifugal Monobloc Pump set ( 221 LPM X 48M Head 0t including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set - 2 nos

Rewinding of motor and reconditioning pump and repair works to 7.5 HP centrifugal Monobloc Pump set (626 Lpm x 21M Head)including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set - 2 Nos

Sump at KATTALAIKUDIYIRUUPU

Rewinding of motor and reconditioning pump and repair works to 15 HP (650Lpm x 45m Head) centrifugal Monobloc Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set - 2 nos

Rewinding of motor and reconditioning pump and repair works to 15 HP ( 596 Lpm x 51m Head) centrifugal Monobloc Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set - 2 Nos

Attending cable fault for infiltration well for 7.5 HP Submersible Motor to Main Board at Oorkadu Head works Pump room

Supply, delivery of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated and steel Armoured aluminium cable as per I.S.1554 for following Wells submersible motor to main panel board.

Laying of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated steel Armoured aluminium cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.

Jonting the 1.1KV grade 3 Core 35 SQ mm PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials etc complete directed by the TWAD Board officers.

Replacement of 32-400 Amps 4 Pole & 3 Pole MCCB Switch in the Head works and other pumprooms inclusive of handling charges and F.O.R destination etc complete directed by the TWAD Board officers.

4 Pole MCCB

3 Pole MCCB

Supply and delivery of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. etc., complete and as directed by TWAD Board Officers

9 Amps\440V

12 Amps\440V

18 Amps\440V

25 Amps\440V

32 Amps\440V

40 Amps\440V

45 Amps\440V

70 Amps\440V

95 Amps\440V

140 Amps\440V

550 Amps\440V

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 10A-20A

Upto 20A-30A

Upto 30A-50A

Upto 50A-75A

Upto 75A-110A

Upto 200A-300A

Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply etc., complete and as directed by TWAD Board Officers

Electric Motor protection device against dry running. The device should protect the motor against Dry running. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply etc., complete and as directed by TWAD Board Officers.

Attending Major Repair works to 250KVA TransformerAt head works,Pottalpudur sump and Mathapuram sump HT supply

Labour charges for dismantling of 250 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value improvement work 900c for 2 days to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for transformer tank cleaning and painting work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 250 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Labour charges for dismantling of 315 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value improvement work 900c for 2 days to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for transformer tank cleaning and painting work to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 315 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately) and as directed by TWAD Board Officers

For 2 HP Starter - 1No

For 3 HP Starter - 1 No

For 5 HP Starter - 1 No

For 7.5 HP Starter - 1No

For 10 HP Starter - 1No

For 15 HP Starter - 1No

Carrying out the repair works occuring during the maintenance period in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all charges for dismantling, repair, reinstallation, conveyance, cost of materials and all other incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II. etc complete and as directed by TWAD Board officers

Attending Repair , Rectification and reconditioning of CI Sluice valve / CI NRV valve including cost of all materials , conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

500 mm CI Sluice valve

400 mm CI Sluice valve

250 mm CI Scour valve

300 mm CI Sluice valve

300 mm CI NRV valve

200 mm CI Sluice valve

200 mm CI NRV valve

150 mm CI Sluice valve

150 mm CI NRV valve

100 mm CI Sluice valve

100 mm CI NRV valve

Supply, delivery and fixing of following size of Gate valves in OHT's including transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board Ofificers.

50 mm Gate valve

65 mm Gate valve

80 mm Gate valve

100 mm Gate valve

Supply and delivery 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 etc., complete and as directed by TWAD Board Ofificers.

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

COST OF CHEMICALS

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

Removal of sediments and deposition of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall using wire brushes, brooms, collecting , lifting of the deposited slit particles on above the sump and washing side wall and the slab using bleaching powder etc., complete and as directed by TWAD Board officers

5.00 LL capacity of sump @ head works,Pottalpudur,Madhapuram

3.5 LL capacity of sump @ shencottai

1.00 LL capacity of sump @ Vallam and Kattalaikudiyiruupu

0.15 LL capacity of sump @ Schenkottai

0.15 LL capacity of sump @ Shencottai

Item Rate BoQ

BoQ_Ver4.0

Name of the Bidder/ Bidding Firm / Company :

PRICE SCHEDULE- A2 (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 2026-27 (From 01.04.2026 to 31.03.2027)

OUTSOURCING IN MLD

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure 1.85 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity etc complete and as directed by TWAD Board officers . Totally 675.25 ML (1.85*365 days)

Attending collar Leaks occurred in all the size, class and material of pipes in all the pipelines of this CWSS for the following items round the clock as per the standard specifications including earthwork excavation ,removal of slushy soil, labour charges, civil works, cost of materials, dewatering , genset, welding unit,and providing night lamps, barrigading arrangements, caution sign boards ,trafic diversion arrangements and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of PSC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

AC Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

200 mm dia AC Pipe

250 mm dia AC Pipe

Supply and delivery of Hard crete oil as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

200 mm dia AC Pipe

250 mm dia AC Pipe

Supply and delivery of cement including loading, unloading and transportation charges etc., and as directed by TWAD Board Officers

200 mm dia AC Pipe

250 mm dia AC Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete and as directed by TWAD Board officers

200 mm dia AC Pipe

250 mm dia AC Pipe

Refilling with excavated soil (other than sand) complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

AC Pipes of various sizes

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II etc., complete and as directed by the TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

For AC Pipes of various sizes

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

Supply and delivery of the following sizes of AC PRESSURE PIPES of CLASS 15 confirming to the IS 1592/2003 inclusive of transportation charges anywhere in Tamilnadu etc. complete and as directed by TWAD Board officers.

200 mm AC Pipes Class 15

250 mm AC Pipes Class 15

Supply and delivery of following sizes of PVC Specials conforming to IS specifications at site of work including loading, unloading,transportation, insurance, etc., Complete and as directed by TWAD Bd. officers.

63 mm PVC Coupler Fabricated 4 KSC

75 mm PVC Coupler Fabricated 4 KSC

90 mm PVC Coupler Fabricated 4 KSC

110 mm PVC Coupler Fabricated 4 KSC

140 mm PVC Coupler Fabricated 4 KSC

Supply and Delivery of CID joint class 15 as directed by TWAD Board officers

200 mm AC Pipes Class 15

250 mm AC Pipes Class 15

Removing following the burst PVC / AC / PSC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers.

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

200 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

Supply and delivery of the following sizes of GI Pipes and specials confirming to IS other specifications as amended from time to time with ISI marking and solvent cement as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges etc. complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

REPAIR AND RECONDITIONING L OF PUMPSETS

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-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

Pappankulam HW

Rewinding of motor and reconditioning pump and repair works to 5 HP Open Well Submersible Pump Set ( 578 LPM X 19 M ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Submersible pumpset at Head Works in Infiltration Well - 06 Nos ( Including stand by )

Rewinding of motor and repair works to 30 HP centrifugal HSC Motor (1615 X 51 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Head Works - 2 Nos ( Including stand by )

Repair and reconditioning of 30 HP centrifugal HSC Pump (1615 X 51 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Head works - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3 HP Centrifugal Monobloc Pumpsets (119 lpm x 48 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Ravoothaperi - 2 Nos ( Including stand by )

Therkumadathur sump

Rewinding of motor and repair works to 20 HP centrifugal HSC Motor (964 X 24 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at T.Madathur - 2 Nos ( Including stand by )

Repair and reconditioning of 20 HP centrifugal HSC Pump (964 X 24 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at T.Madathur - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5 HP Centrifugal Monobloc Pumpsets ( 254 lpm x 30 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Iythankattalai - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3 HP Centrifugal Monobloc Pumpsets (150 lpm x 30 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Muppuliyur - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5HP Submersible Pump set (247 lpm x 53m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Salaiputhur - 2 nos ( Including stand by )

Keelapavoor sump

Rewinding of motor and reconditioning pump and repair works to 5 HP Centrifugal Monobloc Pumpsets ( 484 lpm x 21 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Keelapavoor Union PT - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3 HP Centrifugal Monobloc Pumpsets ( 335 lpm x 23 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Nagalkulam & Keelapvoor RTP - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 2 HP Centrifugal Monobloc Pumpsets ( 145 lpm x 19 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Keelapvoor TP - 2 Nos ( Including stand by )

Attending cable fault for Infiltration well for 5 HP Submersible motor to main panel board at pappankulam Head works pump room

Supply, delivery of 1.1 KV Grade 3 core 10 Sq. mm PVC insulated and steel Armoured copper cable as per I.S.1554 for following Wells submersible motor to main panel board.

Laying of 1.1 KV Grade 3 core 10 Sq. mm PVC insulated steel Armoured copper cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.

Jonting the 1.1KV grade 3 Core 10 SQ mm PVC Insulated Steel armoured copper cable as per I E Rules including Jointing materials etc complete directed by the TWAD Board officers.

Replacement of 32-200 Amps 3 Pole MCCB Switch in the Head works and other pumprooms inclusive of handling charges and F.O.R destination etc complete directed by the TWAD Board officers.

3 Pole MCCB

32 Amps 3 Pole MCCB

63 Amps 3 Pole MCCB

100 Amps 3 Pole MCCB

200 Amps 3 Pole MCCB

Supply and delivery of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. etc., complete and as directed by TWAD Board Officers

9 Amps\440V

12 Amps\440V

25 Amps\440V

45 Amps\440V

70 Amps\440V

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 20A-30A

Upto 30A-50A

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately) and as directed by TWAD Board Officers

For 2 HP Starter -1 No

For 3 HP Starter - -1 No

For 5 HP Starter - 1 No

Carrying out the repair works occuring during the maintenance period in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all charges for dismantling, repair, reinstallation, conveyance, cost of materials and all other incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II. etc complete and as directed by TWAD Board officers

Attending Repair , Rectification and reconditioning of CI Sluice valve / CI NRV valve/ Air Valve including cost of all materials , conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

250 mm CI Sluice valve

150 mm CI Sluice valve

250 mm CI NRV valve

150 mm CI NRV valve

100 mm Jet Air valve

80 mm Jet Air valve

Supply, delivery and fixing of following size of Gate valves in OHT's including transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board Ofificers.

50 mm Gate valve

80 mm Gate valve

100 mm Gate valve

Supply and delivery 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 etc., complete and as directed by TWAD Board Ofificers.

COST OF CHEMICALS

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

Removal of sediments and deposition of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall using wire brushes, brooms, collecting , lifting of the deposited slit particles on above the sump and washing side wall and the slab using bleaching powder etc., complete and as directed by TWAD Board officers

1.50 LL capacity of sump @Pappankulam, Thekumadathur

1.00 LL capacity of sump @ Keelapavoor

For the year 2027-28 (From 01.04.2027 to 31.03.2028)

OUTSOURCING IN MLD

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure 1.85 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity etc complete and as directed by TWAD Board officers . Totally 675.25 ML (1.85*365 days)

Attending collar Leaks occurred in all the size, class and material of pipes in all the pipelines of this CWSS for the following items round the clock as per the standard specifications including earthwork excavation ,removal of slushy soil, labour charges, civil works, cost of materials, dewatering , genset, welding unit,and providing night lamps, barrigading arrangements, caution sign boards ,trafic diversion arrangements and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of PSC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

AC Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

200 mm dia AC Pipe

250 mm dia AC Pipe

Supply and delivery of Hard crete oil as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

200 mm dia AC Pipe

250 mm dia AC Pipe

Supply and delivery of cement including loading, unloading and transportation charges etc., and as directed by TWAD Board Officers

200 mm dia AC Pipe

250 mm dia AC Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete and as directed by TWAD Board officers

200 mm dia AC Pipe

250 mm dia AC Pipe

Refilling with excavated soil (other than sand) complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

AC Pipes of various sizes

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II etc., complete and as directed by the TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

For AC Pipes of various sizes

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

Supply and delivery of the following sizes of AC PRESSURE PIPES of CLASS 15 confirming to the IS 1592/2003 inclusive of transportation charges anywhere in Tamilnadu etc. complete and as directed by TWAD Board officers.

200 mm AC Pipes Class 15

250 mm AC Pipes Class 15

Supply and delivery of following sizes of PVC Specials conforming to IS specifications at site of work including loading, unloading,transportation, insurance, etc., Complete and as directed by TWAD Bd. officers.

63 mm PVC Coupler Fabricated 4 KSC

75 mm PVC Coupler Fabricated 4 KSC

90 mm PVC Coupler Fabricated 4 KSC

110 mm PVC Coupler Fabricated 4 KSC

140 mm PVC Coupler Fabricated 4 KSC

Supply and Delivery of CID joint class 15 as directed by TWAD Board officers

200 mm AC Pipes Class 15

250 mm AC Pipes Class 15

Removing following the burst PVC / AC / PSC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers.

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

200 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

Supply and delivery of the following sizes of GI Pipes and specials confirming to IS other specifications as amended from time to time with ISI marking and solvent cement as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges etc. complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

REPAIR AND RECONDITIONING L OF PUMPSETS

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-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

Pappankulam HW

Rewinding of motor and reconditioning pump and repair works to 5 HP Open Well Submersible Pump Set ( 578 LPM X 19 M ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Submersible pumpset at Head Works in Infiltration Well - 06 Nos ( Including stand by )

Rewinding of motor and repair works to 30 HP centrifugal HSC Motor (1615 X 51 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Head Works - 2 Nos ( Including stand by )

Repair and reconditioning of 30 HP centrifugal HSC Pump (1615 X 51 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Head works - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3 HP Centrifugal Monobloc Pumpsets (119 lpm x 48 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Ravoothaperi - 2 Nos ( Including stand by )

Therkumadathur sump

Rewinding of motor and repair works to 20 HP centrifugal HSC Motor (964 X 24 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at T.Madathur - 2 Nos ( Including stand by )

Repair and reconditioning of 20 HP centrifugal HSC Pump (964 X 24 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at T.Madathur - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5 HP Centrifugal Monobloc Pumpsets ( 254 lpm x 30 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Iythankattalai - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3 HP Centrifugal Monobloc Pumpsets (150 lpm x 30 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Muppuliyur - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5HP Submersible Pump set (247 lpm x 53m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Salaiputhur - 2 nos ( Including stand by )

Keelapavoor sump

Rewinding of motor and reconditioning pump and repair works to 5 HP Centrifugal Monobloc Pumpsets ( 484 lpm x 21 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Keelapavoor Union PT - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3 HP Centrifugal Monobloc Pumpsets ( 335 lpm x 23 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Nagalkulam & Keelapvoor RTP - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 2 HP Centrifugal Monobloc Pumpsets ( 145 lpm x 19 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Keelapvoor TP - 2 Nos ( Including stand by )

Attending cable fault for Infiltration well for 5 HP Submersible motor to main panel board at pappankulam Head works pump room

Supply, delivery of 1.1 KV Grade 3 core 10 Sq. mm PVC insulated and steel Armoured copper cable as per I.S.1554 for following Wells submersible motor to main panel board.

Laying of 1.1 KV Grade 3 core 10 Sq. mm PVC insulated steel Armoured copper cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.

Jonting the 1.1KV grade 3 Core 10 SQ mm PVC Insulated Steel armoured copper cable as per I E Rules including Jointing materials etc complete directed by the TWAD Board officers.

Replacement of 32-200 Amps 3 Pole MCCB Switch in the Head works and other pumprooms inclusive of handling charges and F.O.R destination etc complete directed by the TWAD Board officers.

3 Pole MCCB

32 Amps 3 Pole MCCB

63 Amps 3 Pole MCCB

100 Amps 3 Pole MCCB

200 Amps 3 Pole MCCB

Supply and delivery of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. etc., complete and as directed by TWAD Board Officers

9 Amps\440V

12 Amps\440V

25 Amps\440V

45 Amps\440V

70 Amps\440V

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 20A-30A

Upto 30A-50A

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately) and as directed by TWAD Board Officers

For 2 HP Starter -1 No

For 3 HP Starter - -1 No

For 5 HP Starter - 1 No

Carrying out the repair works occuring during the maintenance period in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all charges for dismantling, repair, reinstallation, conveyance, cost of materials and all other incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II. etc complete and as directed by TWAD Board officers

Attending Repair , Rectification and reconditioning of CI Sluice valve / CI NRV valve/ Air Valve including cost of all materials , conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

250 mm CI Sluice valve

150 mm CI Sluice valve

250 mm CI NRV valve

150 mm CI NRV valve

100 mm Jet Air valve

80 mm Jet Air valve

Supply, delivery and fixing of following size of Gate valves in OHT's including transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board Ofificers.

50 mm Gate valve

80 mm Gate valve

100 mm Gate valve

Supply and delivery 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 etc., complete and as directed by TWAD Board Ofificers.

COST OF CHEMICALS

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

Removal of sediments and deposition of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall using wire brushes, brooms, collecting , lifting of the deposited slit particles on above the sump and washing side wall and the slab using bleaching powder etc., complete and as directed by TWAD Board officers

1.50 LL capacity of sump @Pappankulam, Thekumadathur

1.00 LL capacity of sump @ Keelapavoor

For the year 2028-29 (From 01.04.2028 to 31.03.2029)

OUTSOURCING IN MLD

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure 1.85 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity etc complete and as directed by TWAD Board officers . Totally 675.25 ML (1.85*365 days)

Attending collar Leaks occurred in all the size, class and material of pipes in all the pipelines of this CWSS for the following items round the clock as per the standard specifications including earthwork excavation ,removal of slushy soil, labour charges, civil works, cost of materials, dewatering , genset, welding unit,and providing night lamps, barrigading arrangements, caution sign boards ,trafic diversion arrangements and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of PSC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

AC Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

200 mm dia AC Pipe

250 mm dia AC Pipe

Supply and delivery of Hard crete oil as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

200 mm dia AC Pipe

250 mm dia AC Pipe

Supply and delivery of cement including loading, unloading and transportation charges etc., and as directed by TWAD Board Officers

200 mm dia AC Pipe

250 mm dia AC Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete and as directed by TWAD Board officers

200 mm dia AC Pipe

250 mm dia AC Pipe

Refilling with excavated soil (other than sand) complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

AC Pipes of various sizes

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II etc., complete and as directed by the TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

For AC Pipes of various sizes

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

Supply and delivery of the following sizes of AC PRESSURE PIPES of CLASS 15 confirming to the IS 1592/2003 inclusive of transportation charges anywhere in Tamilnadu etc. complete and as directed by TWAD Board officers.

200 mm AC Pipes Class 15

250 mm AC Pipes Class 15

Supply and delivery of following sizes of PVC Specials conforming to IS specifications at site of work including loading, unloading,transportation, insurance, etc., Complete and as directed by TWAD Bd. officers.

63 mm PVC Coupler Fabricated 4 KSC

75 mm PVC Coupler Fabricated 4 KSC

90 mm PVC Coupler Fabricated 4 KSC

110 mm PVC Coupler Fabricated 4 KSC

140 mm PVC Coupler Fabricated 4 KSC

Supply and Delivery of CID joint class 15 as directed by TWAD Board officers

200 mm AC Pipes Class 15

250 mm AC Pipes Class 15

Removing following the burst PVC / AC / PSC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers.

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

200 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

Supply and delivery of the following sizes of GI Pipes and specials confirming to IS other specifications as amended from time to time with ISI marking and solvent cement as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges etc. complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

REPAIR AND RECONDITIONING L OF PUMPSETS

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-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

Pappankulam HW

Rewinding of motor and reconditioning pump and repair works to 5 HP Open Well Submersible Pump Set ( 578 LPM X 19 M ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Submersible pumpset at Head Works in Infiltration Well - 06 Nos ( Including stand by )

Rewinding of motor and repair works to 30 HP centrifugal HSC Motor (1615 X 51 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Head Works - 2 Nos ( Including stand by )

Repair and reconditioning of 30 HP centrifugal HSC Pump (1615 X 51 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Head works - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3 HP Centrifugal Monobloc Pumpsets (119 lpm x 48 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Ravoothaperi - 2 Nos ( Including stand by )

Therkumadathur sump

Rewinding of motor and repair works to 20 HP centrifugal HSC Motor (964 X 24 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at T.Madathur - 2 Nos ( Including stand by )

Repair and reconditioning of 20 HP centrifugal HSC Pump (964 X 24 m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at T.Madathur - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5 HP Centrifugal Monobloc Pumpsets ( 254 lpm x 30 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Iythankattalai - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3 HP Centrifugal Monobloc Pumpsets (150 lpm x 30 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Muppuliyur - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5HP Submersible Pump set (247 lpm x 53m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Salaiputhur - 2 nos ( Including stand by )

Keelapavoor sump

Rewinding of motor and reconditioning pump and repair works to 5 HP Centrifugal Monobloc Pumpsets ( 484 lpm x 21 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Keelapavoor Union PT - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3 HP Centrifugal Monobloc Pumpsets ( 335 lpm x 23 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Nagalkulam & Keelapvoor RTP - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 2 HP Centrifugal Monobloc Pumpsets ( 145 lpm x 19 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Keelapvoor TP - 2 Nos ( Including stand by )

Attending cable fault for Infiltration well for 5 HP Submersible motor to main panel board at pappankulam Head works pump room

Supply, delivery of 1.1 KV Grade 3 core 10 Sq. mm PVC insulated and steel Armoured copper cable as per I.S.1554 for following Wells submersible motor to main panel board.

Laying of 1.1 KV Grade 3 core 10 Sq. mm PVC insulated steel Armoured copper cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.

Jonting the 1.1KV grade 3 Core 10 SQ mm PVC Insulated Steel armoured copper cable as per I E Rules including Jointing materials etc complete directed by the TWAD Board officers.

Replacement of 32-200 Amps 3 Pole MCCB Switch in the Head works and other pumprooms inclusive of handling charges and F.O.R destination etc complete directed by the TWAD Board officers.

3 Pole MCCB

32 Amps 3 Pole MCCB

63 Amps 3 Pole MCCB

100 Amps 3 Pole MCCB

200 Amps 3 Pole MCCB

Supply and delivery of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. etc., complete and as directed by TWAD Board Officers

9 Amps\440V

12 Amps\440V

25 Amps\440V

45 Amps\440V

70 Amps\440V

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 20A-30A

Upto 30A-50A

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately) and as directed by TWAD Board Officers

For 2 HP Starter -1 No

For 3 HP Starter - -1 No

For 5 HP Starter - 1 No

Carrying out the repair works occuring during the maintenance period in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all charges for dismantling, repair, reinstallation, conveyance, cost of materials and all other incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II. etc complete and as directed by TWAD Board officers

Attending Repair , Rectification and reconditioning of CI Sluice valve / CI NRV valve/ Air Valve including cost of all materials , conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

250 mm CI Sluice valve

150 mm CI Sluice valve

250 mm CI NRV valve

150 mm CI NRV valve

100 mm Jet Air valve

80 mm Jet Air valve

Supply, delivery and fixing of following size of Gate valves in OHT's including transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board Ofificers.

50 mm Gate valve

80 mm Gate valve

100 mm Gate valve

Supply and delivery 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 etc., complete and as directed by TWAD Board Ofificers.

COST OF CHEMICALS

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

Removal of sediments and deposition of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall using wire brushes, brooms, collecting , lifting of the deposited slit particles on above the sump and washing side wall and the slab using bleaching powder etc., complete and as directed by TWAD Board officers

1.50 LL capacity of sump @Pappankulam, Thekumadathur

1.00 LL capacity of sump @ Keelapavoor

Item Rate BoQ

BoQ_Ver4.0

Name of the Bidder/ Bidding Firm / Company :

PRICE SCHEDULE- A3 (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 2026-27 (From 01.04.2026 to 31.03.2027)

OUTSOURCING IN MLD

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure 8.34 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity etc complete and as directed by TWAD Board officers . Totally 3044.1 ML (8.34*365 days)

Attending collar Leaks occurred in all the size, class and material of pipes in all the pipelines of this CWSS for the following items round the clock as per the standard specifications including earthwork excavation ,removal of slushy soil, labour charges, civil works, cost of materials, dewatering , genset, welding unit,and providing night lamps, barrigading arrangements, caution sign boards ,trafic diversion arrangements and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of PSC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PSC Pipes of various sizes

AC Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

200 mm dia AC Pipe

250 mm dia AC Pipe

Supply and delivery of Hard crete oil as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

200 mm dia AC Pipe

250 mm dia AC Pipe

Supply and delivery of cement including loading, unloading and transportation charges etc., and as directed by TWAD Board Officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

200 mm dia AC Pipe

250 mm dia AC Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete and as directed by TWAD Board officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

200 mm dia AC Pipe

250 mm dia AC Pipe

Refilling with excavated soil (other than sand) complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

PSC Pipes of various sizes

AC Pipes of various sizes

Attending leaks in the pipelines of this CWSS for the following items as per the standard procedure including earthwork excavation , dewatering , removing , relaying, jointing civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of AC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Hire charges for welding unit including cost of welding rod,gas unit for cutting,fabrication of MS pipes and specials including Transportation,loading unloading and all other charges.

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Hire charges for Generator for electric current for attending leaks including light fuel, crew, Transportation,loading unloading and all other charges etc., complete and as directed by TWAD Board officers.

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Supply and Delivery of MS specials as per IS 7322-1985 without inside lining and outside coating inclusive of transporation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers.

350mm MS pipe

350mm Machine end

400mm MS pipe

400mm Machine end

450mm MS pipe

450mm Machine end

500mm MS pipe

500mm Machine end

600mm MS pipe

600mm Machine end

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II etc., complete and as directed by the TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

For AC Pipes of various sizes

For PSC Pipes of various sizes

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

50mm PVC 6 KSC

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

Supply and delivery of the following sizes of AC PRESSURE PIPES of CLASS 15 confirming to the IS 1592/2003 inclusive of transportation charges anywhere in Tamilnadu etc. complete and as directed by TWAD Board officers.

200 mm AC Pipes Class 15

250 mm AC Pipes Class 15

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

355.6 mm x 4 mm thick MS PIPE

406.4 mm x 4 mm thick MS PIPE

457 mm x 4 mm thick MS PIPE

508 mm x 5 mm thick MS PIPE

610 mm x 5.8 mm thick MS PIPE

Supply and delivery of following sizes of PVC Specials conforming to IS specifications at site of work including loading, unloading,transportation, insurance, etc., Complete and as directed by TWAD Bd. officers.

50 mm PVC Coupler Fabricated 6 KSC

63 mm PVC Coupler Fabricated 4 KSC

75 mm PVC Coupler Fabricated 4 KSC

90 mm PVC Coupler Fabricated 4 KSC

110 mm PVC Coupler Fabricated 4 KSC

140 mm PVC Coupler Fabricated 4 KSC

160 mm PVC Coupler Fabricated 4 KSC

Supply and Delivery of CID Joint Class 15 inclusive of transportation charges anywhere in Tamilnadu as directed by TWAD Board officers

200 mm AC Pipes Class 15

250 mm AC Pipes Class 15

Supply and Delivery of MJ collars inclusive of transportation charges anywhere in Tamilnadu etc. complete and as directed by TWAD Board officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

Removing following the burst PVC / AC / PSC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers.

50mm PVC 6KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

200 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

350 mm PSC Pipes

400 mm PSC Pipes

450 mm PSC Pipes

500 mm PSC Pipes

600 mm PSC Pipes

Supply and delivery of the following sizes of GI Pipes and specials confirming to IS other specifications as amended from time to time with ISI marking and solvent cement as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges etc. complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

REPAIR AND RECONDITIONING OF PUMPSETS

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-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

Sattupathu Head works

Rewinding of motor and reconditioning pump and repair works to 5 HP Open Well Submersible Pump Set ( 1002 LPM X 17 M ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Submersible pumpset at Head Works in Infiltration Well - 16Nos ( Including stand by )

Rewinding of motor and repair works to180 HP centrifugal HSC Motor (8016X 72 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Head Works - 2 Nos ( Including stand by )

Repair and reconditioning of 180 HP centrifugal HSC Pump ( 8016 lpm x 72m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Head works - 2 Nos ( Including stand by )

Kavoor sump

Rewinding of motor and repair works to100 HP centrifugal HSC Motor (8016X 42 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Kavoor - 2 Nos ( Including stand by )

Repair and reconditioning 100 HP centrifugal HSC Pump (8016pm x 42m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Kavoor - 2 Nos ( Including stand by )

Veikalipatti sump

Rewinding of motor and repair works to 60 HP centrifugal HSC Motor (4902 lpm x 36m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Veikalipatti - 2 Nos ( Including stand by )

Repair and reconditioning 60 HP centrifugal HSC Pump (4902 lpm x 36m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Veikalipatti - 2 Nos ( Including stand by )

Rewinding of motor and repair works to 50 HP centrifugal HSC Motor (2736 lpm x 45m Head) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Veikalipatti - 2 Nos ( Including stand by )

Repair and reconditioning 50 HP centrifugal HSC Pump (2736 lpm x 45m Head) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Veikalipatti - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3HP Submersible Pump set (306lpm x 29m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Ariyappapuram - 1 No

Rewinding of motor and reconditioning pump and repair works to 2HP Submersible Pump set (72lpm x14m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Pullavanoor - 1no ( Including stand by )

MATHALAMPARAI SUMP

Rewinding of motor and repair works to 60 HP centrifugal HSC Motor (4593 lpm x 33m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Mathalamparai - 2 Nos ( Including stand by )

Repair and reconditioning 60 HP centrifugal HSC Pump (4593 lpm x 33m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Mathalamparai - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 2HP Submersible Pump set (209 lpm x 18m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Pullukattuvalasai - 1 No

Rewinding of motor and reconditioning pump and repair works to 2HP Submersible Pump set (100 lpm x 50m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Azad Nagar - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set (72 lpm x 13m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Mathalamparai - 1 No

Vanjinagar pump room

Rewinding of motor and repair works to 60 HP centrifugal HSC Motor (4243 lpm x 39m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Vanjinagar - 2 Nos ( Including stand by )

Repair and reconditioning 60 HP centrifugal HSC Pump (4243 lpm x 39m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Vanjinagar - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set (253 lpm x 44m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Puliyarai - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set (97 lpm x 48m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at PP Valasai - 1 No

PANPOZHI SUMP

Rewinding of motor and reconditioning pump and repair works to 7.5 HP Submersible Pump set (1392 lpm x 18m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Vadakarai TP - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set (732 lpm x 14m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Panpozhi TP - 1 No

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set (89 lpm x 13m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Manalur - 1 No

Rewinding of motor and reconditioning pump and repair works to 1 HP Submersible Pump set ( 30 lpm x 30 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Thirumalaikovil - 1 No

Avudaiyanoor sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 301 lpm x 18 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Avudaiyanoor

Thippanampatti sump

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set (445 lpm x 34m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Thippanampatti - 1 No

Pavoorchatram sump

Rewinding of motor and reconditioning pump and repair works to 10 HP Submersible Pump set (1048 lpm x 44m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Keelapavoor TP - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 100 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kurumalaperi - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 225 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Melapavoor & Kulasekarapatti - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 125 lpm x 20 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Pavoorchatram & Kamaraj nagar - 1 No

Kallurani sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 249 lpm x 20 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kallurani - 1 No

Parumbu sump

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set ( 153 lpm x 20 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at K.T.C Nagar - 1 No

Rewinding of motor and reconditioning pump and repair works to 0.5 HP Submersible Pump set ( 63 lpm x 9 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kadapokathi - 1 No

Anna nagar sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 272 lpm x 15 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Anna nagar - 1 No

Elathur sump

Rewinding of motor and reconditioning pump and repair works to 10 HP Submersible Pump set ( 638 lpm x 43 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Achanputhur TP - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 176 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Elathur - 1 No

Rewinding of motor and reconditioning pump and repair works to 0.5 HP Submersible Pump set ( 30 lpm x 11 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Chitra puram - 1 No

Annathapuram sump

Rewinding of motor and reconditioning pump and repair works to 7.5 HP Submersible Pump set ( 553 lpm x 37 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Ayikudi TP - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 226 lpm x 16 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Agarakattu - 1 No

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set ( 105 lpm x 27 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kilankadu - 1 No

Kottai theradu sump

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set ( 215 lpm x 48 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Mekarai - 1 No

Puliyarai sump

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set ( 90 lpm x 36 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Therkumedu - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 97 lpm x 23 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Puliyarai - 1 No

Govindaperi sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 45 lpm x 44 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Govindaperi - 1 No

Melapattakurichi sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 70 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Melapattakurichi - 1 No

Meelapavoor sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 125 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Melapavoor - 1 No

Kulasekarapatti sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 100 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kulasekarapatti - 1 No

PP Valasai sump

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set ( 38 lpm x 34 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at PP Valasai - 1 No

Attending cable fault for infiltration well for 5 HP Submersible Motor to Main panel Board at Sattupathu Head works Pump room

Supply, delivery of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated and steel Armoured aluminium cable as per I.S.1554 for following Wells submersible motor to main panel board.

Laying of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated steel Armoured aluminium cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.

Jonting the 1.1KV grade 3 Core 35 SQ mm PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials etc complete directed by the TWAD Board officers.

Replacement of 32-600 Amps 3 Pole MCCB Switch in the Head works and other pumprooms inclusive of handling charges and F.O.R destination etc complete directed by the TWAD Board officers.

3 Pole MCCB

Supply and delivery of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. etc., complete and as directed by TWAD Board Officers

9 Amps\440V

12 Amps\440V

18 Amps\440V

25 Amps\440V

140 Amps\440V

550 Amps\440V

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 10A-20A

Upto 50A-75A

Upto 75A-110A

Upto 200A-300A

Attending Major Repair works to 250KVA TransformerAt head works,Pottalpudur sump and Mathapuram sump HT supply

Labour charges for dismantling of 250 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value improvement work 900c for 2 days to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for transformer tank cleaning and painting work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 250 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately) and as directed by TWAD Board Officers

For 5 HP Starter - 5 Nos

Carrying out the repair works occuring during the maintenance period in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all charges for dismantling, repair, reinstallation, conveyance, cost of materials and all other incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II. etc complete and as directed by TWAD Board officers

Attending Repair , Rectification and reconditioning of CI Sluice valve / CI NRV valve including cost of all materials , conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

600mm CI sluice valve

450 mm CI Sluice valve

400 mm CI Sluice valve

350 mm CI Sluice valve

300 mm CI Scour valve

250 mm CI Scour valve

200 mm CI scover valve

350 mm CI NRV

250 mm CI NRV

200 mm CI NRV

150 mm Double Chamber Air Release Valve

100 mm Double Chamber Air Release Valve

80 mm Double Chamber Air Release Valve

Supply, delivery and fixing of following size of Gate valves in OHT's including transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board Ofificers.

50 mm Gate valve

65 mm Gate valve

80 mm Gate valve

100 mm Gate valve

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

50 mm Single chamber air release Valve

80 mm Single chamber air release Valve

100 mm Single chamber air release Valve

Supply and delivery 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 etc., complete and as directed by TWAD Board Ofificers.

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

COST OF CHEMICALS

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

Removal of sediments and deposition of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall using wire brushes, brooms, collecting , lifting of the deposited slit particles on above the sump and washing side wall and the slab using bleaching powder etc., complete and as directed by TWAD Board officers

6.00 LL capacity of sump @ head works, Veikalipatti, Kavoor

4.00 LL capacity of sump @ Mathalamparai, Vanjinagar

2.00 LL capacity of sump @ Panozhi

1.00 LL capacity of sump @ Elathur, Anathapuram, Pavoorchatram

0.70 LL capacity of sump @ Melapavoor

0.45 LL capacity of sump @ Kulasekarapatti

0.30 LL capacity of sump @ Thippanampatti, Avudaiyanoor, Puliyarai, Kallurani

0.20 LL capacity of sump @ PP Valasai, Pattakurichi

0.15 LL capacity of sump @ Anna nagar, Parumbu

Rate for flushing of borewell of 6" dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the TWAD Officer and conducting yield test by 'V' notch method if required 600 Cfm ( 100 /150 PSI)

Inflitration well 1 to 8 Nos- Each-8 Hours

For the year 2027-28 (From 01.04.2027 to 31.03.2028)

OUTSOURCING IN MLD

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure 8.34 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity etc complete and as directed by TWAD Board officers . Totally 3044.1 ML (8.34*365 days)

Attending collar Leaks occurred in all the size, class and material of pipes in all the pipelines of this CWSS for the following items round the clock as per the standard specifications including earthwork excavation ,removal of slushy soil, labour charges, civil works, cost of materials, dewatering , genset, welding unit,and providing night lamps, barrigading arrangements, caution sign boards ,trafic diversion arrangements and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of PSC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PSC Pipes of various sizes

AC Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

200 mm dia AC Pipe

250 mm dia AC Pipe

Supply and delivery of Hard crete oil as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

200 mm dia AC Pipe

250 mm dia AC Pipe

Supply and delivery of cement including loading, unloading and transportation charges etc., and as directed by TWAD Board Officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

200 mm dia AC Pipe

250 mm dia AC Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete and as directed by TWAD Board officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

200 mm dia AC Pipe

250 mm dia AC Pipe

Refilling with excavated soil (other than sand) complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

PSC Pipes of various sizes

AC Pipes of various sizes

Attending leaks in the pipelines of this CWSS for the following items as per the standard procedure including earthwork excavation , dewatering , removing , relaying, jointing civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of AC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Hire charges for welding unit including cost of welding rod,gas unit for cutting,fabrication of MS pipes and specials including Transportation,loading unloading and all other charges.

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Hire charges for Generator for electric current for attending leaks including light fuel, crew, Transportation,loading unloading and all other charges etc., complete and as directed by TWAD Board officers.

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Supply and Delivery of MS specials as per IS 7322-1985 without inside lining and outside coating inclusive of transporation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers.

350mm MS pipe

350mm Machine end

400mm MS pipe

400mm Machine end

450mm MS pipe

450mm Machine end

500mm MS pipe

500mm Machine end

600mm MS pipe

600mm Machine end

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II etc., complete and as directed by the TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

For AC Pipes of various sizes

For PSC Pipes of various sizes

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

50mm PVC 6 KSC

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

Supply and delivery of the following sizes of AC PRESSURE PIPES of CLASS 15 confirming to the IS 1592/2003 inclusive of transportation charges anywhere in Tamilnadu etc. complete and as directed by TWAD Board officers.

200 mm AC Pipes Class 15

250 mm AC Pipes Class 15

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

355.6 mm x 4 mm thick MS PIPE

406.4 mm x 4 mm thick MS PIPE

457 mm x 4 mm thick MS PIPE

508 mm x 5 mm thick MS PIPE

610 mm x 5.8 mm thick MS PIPE

Supply and delivery of following sizes of PVC Specials conforming to IS specifications at site of work including loading, unloading,transportation, insurance, etc., Complete and as directed by TWAD Bd. officers.

50 mm PVC Coupler Fabricated 6 KSC

63 mm PVC Coupler Fabricated 4 KSC

75 mm PVC Coupler Fabricated 4 KSC

90 mm PVC Coupler Fabricated 4 KSC

110 mm PVC Coupler Fabricated 4 KSC

140 mm PVC Coupler Fabricated 4 KSC

160 mm PVC Coupler Fabricated 4 KSC

Supply and Delivery of CID Joint Class 15 inclusive of transportation charges anywhere in Tamilnadu as directed by TWAD Board officers

200 mm AC Pipes Class 15

250 mm AC Pipes Class 15

Supply and Delivery of MJ collars inclusive of transportation charges anywhere in Tamilnadu etc. complete and as directed by TWAD Board officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

Removing following the burst PVC / AC / PSC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers.

50mm PVC 6KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

200 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

350 mm PSC Pipes

400 mm PSC Pipes

450 mm PSC Pipes

500 mm PSC Pipes

600 mm PSC Pipes

Supply and delivery of the following sizes of GI Pipes and specials confirming to IS other specifications as amended from time to time with ISI marking and solvent cement as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges etc. complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

REPAIR AND RECONDITIONING OF PUMPSETS

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-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

Sattupathu Head works

Rewinding of motor and reconditioning pump and repair works to 5 HP Open Well Submersible Pump Set ( 1002 LPM X 17 M ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Submersible pumpset at Head Works in Infiltration Well - 16Nos ( Including stand by )

Rewinding of motor and repair works to180 HP centrifugal HSC Motor (8016X 72 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Head Works - 2 Nos ( Including stand by )

Repair and reconditioning of 180 HP centrifugal HSC Pump ( 8016 lpm x 72m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Head works - 2 Nos ( Including stand by )

Kavoor sump

Rewinding of motor and repair works to100 HP centrifugal HSC Motor (8016X 42 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Kavoor - 2 Nos ( Including stand by )

Repair and reconditioning 100 HP centrifugal HSC Pump (8016pm x 42m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Kavoor - 2 Nos ( Including stand by )

Veikalipatti sump

Rewinding of motor and repair works to 60 HP centrifugal HSC Motor (4902 lpm x 36m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Veikalipatti - 2 Nos ( Including stand by )

Repair and reconditioning 60 HP centrifugal HSC Pump (4902 lpm x 36m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Veikalipatti - 2 Nos ( Including stand by )

Rewinding of motor and repair works to 50 HP centrifugal HSC Motor (2736 lpm x 45m Head) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Veikalipatti - 2 Nos ( Including stand by )

Repair and reconditioning 50 HP centrifugal HSC Pump (2736 lpm x 45m Head) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Veikalipatti - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3HP Submersible Pump set (306lpm x 29m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Ariyappapuram - 1 No

Rewinding of motor and reconditioning pump and repair works to 2HP Submersible Pump set (72lpm x14m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Pullavanoor - 1no ( Including stand by )

MATHALAMPARAI SUMP

Rewinding of motor and repair works to 60 HP centrifugal HSC Motor (4593 lpm x 33m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Mathalamparai - 2 Nos ( Including stand by )

Repair and reconditioning 60 HP centrifugal HSC Pump (4593 lpm x 33m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Mathalamparai - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 2HP Submersible Pump set (209 lpm x 18m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Pullukattuvalasai - 1 No

Rewinding of motor and reconditioning pump and repair works to 2HP Submersible Pump set (100 lpm x 50m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Azad Nagar - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set (72 lpm x 13m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Mathalamparai - 1 No

Vanjinagar pump room

Rewinding of motor and repair works to 60 HP centrifugal HSC Motor (4243 lpm x 39m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Vanjinagar - 2 Nos ( Including stand by )

Repair and reconditioning 60 HP centrifugal HSC Pump (4243 lpm x 39m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Vanjinagar - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set (253 lpm x 44m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Puliyarai - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set (97 lpm x 48m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at PP Valasai - 1 No

PANPOZHI SUMP

Rewinding of motor and reconditioning pump and repair works to 7.5 HP Submersible Pump set (1392 lpm x 18m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Vadakarai TP - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set (732 lpm x 14m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Panpozhi TP - 1 No

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set (89 lpm x 13m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Manalur - 1 No

Rewinding of motor and reconditioning pump and repair works to 1 HP Submersible Pump set ( 30 lpm x 30 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Thirumalaikovil - 1 No

Avudaiyanoor sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 301 lpm x 18 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Avudaiyanoor

Thippanampatti sump

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set (445 lpm x 34m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Thippanampatti - 1 No

Pavoorchatram sump

Rewinding of motor and reconditioning pump and repair works to 10 HP Submersible Pump set (1048 lpm x 44m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Keelapavoor TP - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 100 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kurumalaperi - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 225 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Melapavoor & Kulasekarapatti - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 125 lpm x 20 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Pavoorchatram & Kamaraj nagar - 1 No

Kallurani sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 249 lpm x 20 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kallurani - 1 No

Parumbu sump

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set ( 153 lpm x 20 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at K.T.C Nagar - 1 No

Rewinding of motor and reconditioning pump and repair works to 0.5 HP Submersible Pump set ( 63 lpm x 9 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kadapokathi - 1 No

Anna nagar sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 272 lpm x 15 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Anna nagar - 1 No

Elathur sump

Rewinding of motor and reconditioning pump and repair works to 10 HP Submersible Pump set ( 638 lpm x 43 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Achanputhur TP - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 176 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Elathur - 1 No

Rewinding of motor and reconditioning pump and repair works to 0.5 HP Submersible Pump set ( 30 lpm x 11 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Chitra puram - 1 No

Annathapuram sump

Rewinding of motor and reconditioning pump and repair works to 7.5 HP Submersible Pump set ( 553 lpm x 37 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Ayikudi TP - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 226 lpm x 16 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Agarakattu - 1 No

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set ( 105 lpm x 27 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kilankadu - 1 No

Kottai theradu sump

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set ( 215 lpm x 48 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Mekarai - 1 No

Puliyarai sump

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set ( 90 lpm x 36 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Therkumedu - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 97 lpm x 23 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Puliyarai - 1 No

Govindaperi sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 45 lpm x 44 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Govindaperi - 1 No

Melapattakurichi sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 70 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Melapattakurichi - 1 No

Meelapavoor sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 125 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Melapavoor - 1 No

Kulasekarapatti sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 100 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kulasekarapatti - 1 No

PP Valasai sump

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set ( 38 lpm x 34 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at PP Valasai - 1 No

Attending cable fault for infiltration well for 5 HP Submersible Motor to Main panel Board at Sattupathu Head works Pump room

Supply, delivery of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated and steel Armoured aluminium cable as per I.S.1554 for following Wells submersible motor to main panel board.

Laying of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated steel Armoured aluminium cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.

Jonting the 1.1KV grade 3 Core 35 SQ mm PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials etc complete directed by the TWAD Board officers.

Replacement of 32-600 Amps 3 Pole MCCB Switch in the Head works and other pumprooms inclusive of handling charges and F.O.R destination etc complete directed by the TWAD Board officers.

3 Pole MCCB

Supply and delivery of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. etc., complete and as directed by TWAD Board Officers

9 Amps\440V

12 Amps\440V

18 Amps\440V

25 Amps\440V

140 Amps\440V

550 Amps\440V

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 10A-20A

Upto 50A-75A

Upto 75A-110A

Upto 200A-300A

Attending Major Repair works to 250KVA TransformerAt head works,Pottalpudur sump and Mathapuram sump HT supply

Labour charges for dismantling of 250 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value improvement work 900c for 2 days to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for transformer tank cleaning and painting work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 250 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately) and as directed by TWAD Board Officers

For 5 HP Starter - 5 Nos

Carrying out the repair works occuring during the maintenance period in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all charges for dismantling, repair, reinstallation, conveyance, cost of materials and all other incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II. etc complete and as directed by TWAD Board officers

Attending Repair , Rectification and reconditioning of CI Sluice valve / CI NRV valve including cost of all materials , conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

600mm CI sluice valve

450 mm CI Sluice valve

400 mm CI Sluice valve

350 mm CI Sluice valve

300 mm CI Scour valve

250 mm CI Scour valve

200 mm CI scover valve

350 mm CI NRV

250 mm CI NRV

200 mm CI NRV

150 mm Double Chamber Air Release Valve

100 mm Double Chamber Air Release Valve

80 mm Double Chamber Air Release Valve

Supply, delivery and fixing of following size of Gate valves in OHT's including transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board Ofificers.

50 mm Gate valve

65 mm Gate valve

80 mm Gate valve

100 mm Gate valve

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

50 mm Single chamber air release Valve

80 mm Single chamber air release Valve

100 mm Single chamber air release Valve

Supply and delivery 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 etc., complete and as directed by TWAD Board Ofificers.

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

COST OF CHEMICALS

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

Removal of sediments and deposition of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall using wire brushes, brooms, collecting , lifting of the deposited slit particles on above the sump and washing side wall and the slab using bleaching powder etc., complete and as directed by TWAD Board officers

6.00 LL capacity of sump @ head works, Veikalipatti, Kavoor

4.00 LL capacity of sump @ Mathalamparai, Vanjinagar

2.00 LL capacity of sump @ Panozhi

1.00 LL capacity of sump @ Elathur, Anathapuram, Pavoorchatram

0.70 LL capacity of sump @ Melapavoor

0.45 LL capacity of sump @ Kulasekarapatti

0.30 LL capacity of sump @ Thippanampatti, Avudaiyanoor, Puliyarai, Kallurani

0.20 LL capacity of sump @ PP Valasai, Pattakurichi

0.15 LL capacity of sump @ Anna nagar, Parumbu

Rate for flushing of borewell of 6" dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the TWAD Officer and conducting yield test by 'V' notch method if required 600 Cfm ( 100 /150 PSI)

Inflitration well 1 to 8 Nos- Each-8 Hours

For the year 2028-29 (From 01.04.2028 to 31.03.2029)

OUTSOURCING IN MLD

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure 8.34 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity etc complete and as directed by TWAD Board officers . Totally 3044.1 ML (8.34*365 days)

Attending collar Leaks occurred in all the size, class and material of pipes in all the pipelines of this CWSS for the following items round the clock as per the standard specifications including earthwork excavation ,removal of slushy soil, labour charges, civil works, cost of materials, dewatering , genset, welding unit,and providing night lamps, barrigading arrangements, caution sign boards ,trafic diversion arrangements and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of PSC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PSC Pipes of various sizes

AC Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

200 mm dia AC Pipe

250 mm dia AC Pipe

Supply and delivery of Hard crete oil as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

200 mm dia AC Pipe

250 mm dia AC Pipe

Supply and delivery of cement including loading, unloading and transportation charges etc., and as directed by TWAD Board Officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

200 mm dia AC Pipe

250 mm dia AC Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete and as directed by TWAD Board officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

200 mm dia AC Pipe

250 mm dia AC Pipe

Refilling with excavated soil (other than sand) complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

PSC Pipes of various sizes

AC Pipes of various sizes

Attending leaks in the pipelines of this CWSS for the following items as per the standard procedure including earthwork excavation , dewatering , removing , relaying, jointing civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of AC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Hire charges for welding unit including cost of welding rod,gas unit for cutting,fabrication of MS pipes and specials including Transportation,loading unloading and all other charges.

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Hire charges for Generator for electric current for attending leaks including light fuel, crew, Transportation,loading unloading and all other charges etc., complete and as directed by TWAD Board officers.

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Supply and Delivery of MS specials as per IS 7322-1985 without inside lining and outside coating inclusive of transporation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers.

350mm MS pipe

350mm Machine end

400mm MS pipe

400mm Machine end

450mm MS pipe

450mm Machine end

500mm MS pipe

500mm Machine end

600mm MS pipe

600mm Machine end

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

350 mm MS Pipe

400 mm MS Pipe

450 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II etc., complete and as directed by the TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

For AC Pipes of various sizes

For PSC Pipes of various sizes

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

50mm PVC 6 KSC

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

Supply and delivery of the following sizes of AC PRESSURE PIPES of CLASS 15 confirming to the IS 1592/2003 inclusive of transportation charges anywhere in Tamilnadu etc. complete and as directed by TWAD Board officers.

200 mm AC Pipes Class 15

250 mm AC Pipes Class 15

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

355.6 mm x 4 mm thick MS PIPE

406.4 mm x 4 mm thick MS PIPE

457 mm x 4 mm thick MS PIPE

508 mm x 5 mm thick MS PIPE

610 mm x 5.8 mm thick MS PIPE

Supply and delivery of following sizes of PVC Specials conforming to IS specifications at site of work including loading, unloading,transportation, insurance, etc., Complete and as directed by TWAD Bd. officers.

50 mm PVC Coupler Fabricated 6 KSC

63 mm PVC Coupler Fabricated 4 KSC

75 mm PVC Coupler Fabricated 4 KSC

90 mm PVC Coupler Fabricated 4 KSC

110 mm PVC Coupler Fabricated 4 KSC

140 mm PVC Coupler Fabricated 4 KSC

160 mm PVC Coupler Fabricated 4 KSC

Supply and Delivery of CID Joint Class 15 inclusive of transportation charges anywhere in Tamilnadu as directed by TWAD Board officers

200 mm AC Pipes Class 15

250 mm AC Pipes Class 15

Supply and Delivery of MJ collars inclusive of transportation charges anywhere in Tamilnadu etc. complete and as directed by TWAD Board officers

350 mm dia PSC Pipe

400 mm dia PSC Pipe

450 mm dia PSC Pipe

500 mm dia PSC Pipe

600 mm dia PSC Pipe

Removing following the burst PVC / AC / PSC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers.

50mm PVC 6KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

200 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

350 mm PSC Pipes

400 mm PSC Pipes

450 mm PSC Pipes

500 mm PSC Pipes

600 mm PSC Pipes

Supply and delivery of the following sizes of GI Pipes and specials confirming to IS other specifications as amended from time to time with ISI marking and solvent cement as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges etc. complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

REPAIR AND RECONDITIONING OF PUMPSETS

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-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

Sattupathu Head works

Rewinding of motor and reconditioning pump and repair works to 5 HP Open Well Submersible Pump Set ( 1002 LPM X 17 M ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Submersible pumpset at Head Works in Infiltration Well - 16Nos ( Including stand by )

Rewinding of motor and repair works to180 HP centrifugal HSC Motor (8016X 72 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Head Works - 2 Nos ( Including stand by )

Repair and reconditioning of 180 HP centrifugal HSC Pump ( 8016 lpm x 72m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Head works - 2 Nos ( Including stand by )

Kavoor sump

Rewinding of motor and repair works to100 HP centrifugal HSC Motor (8016X 42 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Kavoor - 2 Nos ( Including stand by )

Repair and reconditioning 100 HP centrifugal HSC Pump (8016pm x 42m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Kavoor - 2 Nos ( Including stand by )

Veikalipatti sump

Rewinding of motor and repair works to 60 HP centrifugal HSC Motor (4902 lpm x 36m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Veikalipatti - 2 Nos ( Including stand by )

Repair and reconditioning 60 HP centrifugal HSC Pump (4902 lpm x 36m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Veikalipatti - 2 Nos ( Including stand by )

Rewinding of motor and repair works to 50 HP centrifugal HSC Motor (2736 lpm x 45m Head) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Veikalipatti - 2 Nos ( Including stand by )

Repair and reconditioning 50 HP centrifugal HSC Pump (2736 lpm x 45m Head) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Veikalipatti - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3HP Submersible Pump set (306lpm x 29m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Ariyappapuram - 1 No

Rewinding of motor and reconditioning pump and repair works to 2HP Submersible Pump set (72lpm x14m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Pullavanoor - 1no ( Including stand by )

MATHALAMPARAI SUMP

Rewinding of motor and repair works to 60 HP centrifugal HSC Motor (4593 lpm x 33m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Mathalamparai - 2 Nos ( Including stand by )

Repair and reconditioning 60 HP centrifugal HSC Pump (4593 lpm x 33m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Mathalamparai - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 2HP Submersible Pump set (209 lpm x 18m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Pullukattuvalasai - 1 No

Rewinding of motor and reconditioning pump and repair works to 2HP Submersible Pump set (100 lpm x 50m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Azad Nagar - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set (72 lpm x 13m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Mathalamparai - 1 No

Vanjinagar pump room

Rewinding of motor and repair works to 60 HP centrifugal HSC Motor (4243 lpm x 39m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor etc.., complete and as directed by TWAD Borad officers at Vanjinagar - 2 Nos ( Including stand by )

Repair and reconditioning 60 HP centrifugal HSC Pump (4243 lpm x 39m Head ) including cost of all material exluding Bronze impeller ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Pump etc.., complete and as directed by TWAD Borad officers at Vanjinagar - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set (253 lpm x 44m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Puliyarai - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set (97 lpm x 48m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at PP Valasai - 1 No

PANPOZHI SUMP

Rewinding of motor and reconditioning pump and repair works to 7.5 HP Submersible Pump set (1392 lpm x 18m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Vadakarai TP - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set (732 lpm x 14m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Panpozhi TP - 1 No

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set (89 lpm x 13m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Manalur - 1 No

Rewinding of motor and reconditioning pump and repair works to 1 HP Submersible Pump set ( 30 lpm x 30 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Thirumalaikovil - 1 No

Avudaiyanoor sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 301 lpm x 18 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Avudaiyanoor

Thippanampatti sump

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set (445 lpm x 34m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Thippanampatti - 1 No

Pavoorchatram sump

Rewinding of motor and reconditioning pump and repair works to 10 HP Submersible Pump set (1048 lpm x 44m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Keelapavoor TP - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 100 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kurumalaperi - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 225 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Melapavoor & Kulasekarapatti - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 125 lpm x 20 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Pavoorchatram & Kamaraj nagar - 1 No

Kallurani sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 249 lpm x 20 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kallurani - 1 No

Parumbu sump

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set ( 153 lpm x 20 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at K.T.C Nagar - 1 No

Rewinding of motor and reconditioning pump and repair works to 0.5 HP Submersible Pump set ( 63 lpm x 9 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kadapokathi - 1 No

Anna nagar sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 272 lpm x 15 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Anna nagar - 1 No

Elathur sump

Rewinding of motor and reconditioning pump and repair works to 10 HP Submersible Pump set ( 638 lpm x 43 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Achanputhur TP - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 176 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Elathur - 1 No

Rewinding of motor and reconditioning pump and repair works to 0.5 HP Submersible Pump set ( 30 lpm x 11 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Chitra puram - 1 No

Annathapuram sump

Rewinding of motor and reconditioning pump and repair works to 7.5 HP Submersible Pump set ( 553 lpm x 37 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Ayikudi TP - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 226 lpm x 16 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Agarakattu - 1 No

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set ( 105 lpm x 27 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kilankadu - 1 No

Kottai theradu sump

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set ( 215 lpm x 48 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Mekarai - 1 No

Puliyarai sump

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set ( 90 lpm x 36 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Therkumedu - 1 No

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 97 lpm x 23 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Puliyarai - 1 No

Govindaperi sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 45 lpm x 44 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Govindaperi - 1 No

Melapattakurichi sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 70 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Melapattakurichi - 1 No

Meelapavoor sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 125 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Melapavoor - 1 No

Kulasekarapatti sump

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 100 lpm x 25 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kulasekarapatti - 1 No

PP Valasai sump

Rewinding of motor and reconditioning pump and repair works to 1.5 HP Submersible Pump set ( 38 lpm x 34 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at PP Valasai - 1 No

Attending cable fault for infiltration well for 5 HP Submersible Motor to Main panel Board at Sattupathu Head works Pump room

Supply, delivery of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated and steel Armoured aluminium cable as per I.S.1554 for following Wells submersible motor to main panel board.

Laying of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated steel Armoured aluminium cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.

Jonting the 1.1KV grade 3 Core 35 SQ mm PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials etc complete directed by the TWAD Board officers.

Replacement of 32-600 Amps 3 Pole MCCB Switch in the Head works and other pumprooms inclusive of handling charges and F.O.R destination etc complete directed by the TWAD Board officers.

3 Pole MCCB

Supply and delivery of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. etc., complete and as directed by TWAD Board Officers

9 Amps\440V

12 Amps\440V

18 Amps\440V

25 Amps\440V

140 Amps\440V

550 Amps\440V

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 10A-20A

Upto 50A-75A

Upto 75A-110A

Upto 200A-300A

Attending Major Repair works to 250KVA TransformerAt head works,Pottalpudur sump and Mathapuram sump HT supply

Labour charges for dismantling of 250 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value improvement work 900c for 2 days to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for transformer tank cleaning and painting work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 250 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately) and as directed by TWAD Board Officers

For 5 HP Starter - 5 Nos

Carrying out the repair works occuring during the maintenance period in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all charges for dismantling, repair, reinstallation, conveyance, cost of materials and all other incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II. etc complete and as directed by TWAD Board officers

Attending Repair , Rectification and reconditioning of CI Sluice valve / CI NRV valve including cost of all materials , conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

600mm CI sluice valve

450 mm CI Sluice valve

400 mm CI Sluice valve

350 mm CI Sluice valve

300 mm CI Scour valve

250 mm CI Scour valve

200 mm CI scover valve

350 mm CI NRV

250 mm CI NRV

200 mm CI NRV

150 mm Double Chamber Air Release Valve

100 mm Double Chamber Air Release Valve

80 mm Double Chamber Air Release Valve

Supply, delivery and fixing of following size of Gate valves in OHT's including transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board Ofificers.

50 mm Gate valve

65 mm Gate valve

80 mm Gate valve

100 mm Gate valve

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

50 mm Single chamber air release Valve

80 mm Single chamber air release Valve

100 mm Single chamber air release Valve

Supply and delivery 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 etc., complete and as directed by TWAD Board Ofificers.

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

COST OF CHEMICALS

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

Removal of sediments and deposition of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall using wire brushes, brooms, collecting , lifting of the deposited slit particles on above the sump and washing side wall and the slab using bleaching powder etc., complete and as directed by TWAD Board officers

6.00 LL capacity of sump @ head works, Veikalipatti, Kavoor

4.00 LL capacity of sump @ Mathalamparai, Vanjinagar

2.00 LL capacity of sump @ Panozhi

1.00 LL capacity of sump @ Elathur, Anathapuram, Pavoorchatram

0.70 LL capacity of sump @ Melapavoor

0.45 LL capacity of sump @ Kulasekarapatti

0.30 LL capacity of sump @ Thippanampatti, Avudaiyanoor, Puliyarai, Kallurani

0.20 LL capacity of sump @ PP Valasai, Pattakurichi

0.15 LL capacity of sump @ Anna nagar, Parumbu

Rate for flushing of borewell of 6" dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the TWAD Officer and conducting yield test by 'V' notch method if required 600 Cfm ( 100 /150 PSI)

Inflitration well 1 to 8 Nos- Each-8 Hours

Item Rate BoQ

BoQ_Ver4.0

Name of the Bidder/ Bidding Firm / Company :

PRICE SCHEDULE- A4 (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 2026-27 (From 01.04.2026 to 31.03.2027)

OUTSOURCING IN MLD

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure 12.00 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity etc complete and as directed by TWAD Board officers . Totally 4380.00 ML (12*365 days)

Attending collar Leaks occurred in all the size, class and material of pipes in all the pipelines of this CWSS for the following items round the clock as per the standard specifications including earthwork excavation ,removal of slushy soil, labour charges, civil works, cost of materials, dewatering , genset, welding unit,and providing night lamps, barrigading arrangements, caution sign boards ,trafic diversion arrangements and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of PSC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PSC Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

500 mm dia PSC Pipe

600 mm dia PSC Pipe

Supply and delivery of Hard crete oil as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

500 mm dia PSC Pipe

600 mm dia PSC Pipe

Supply and delivery of cement including loading, unloading and transportation charges etc., and as directed by TWAD Board Officers

500 mm dia PSC Pipe

600 mm dia PSC Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete and as directed by TWAD Board officers

500 mm dia PSC Pipe

600 mm dia PSC Pipe

Refilling with excavated soil (other than sand) complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

PSC Pipes of various sizes

Attending leaks in the pipelines of this CWSS for the following items as per the standard procedure including earthwork excavation , dewatering , removing , relaying, jointing civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of AC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

700 mm dia BWSC Pipe Various Classes

200 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

700 mm dia BWSC Pipe Various Classes

200 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Hire charges for welding unit including cost of welding rod,gas unit for cutting,fabrication of MS pipes and specials including Transportation,loading unloading and all other charges.

700 mm dia BWSC Pipe Various Classes

200 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Hire charges for Generator for electric current for attending leaks including light fuel, crew, Transportation,loading unloading and all other charges etc., complete and as directed by TWAD Board officers.

700 mm dia BWSC Pipe Various Classes

200 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Supply and Delivery of MS specials as per IS 7322-1985 with inside lining and outside coating inclusive of transporation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers.

700 mm dia BWSC Pipe Various Classes

200mm MS pipe

200mm Machine end

500mm MS pipe

500mm Machine end

600mm MS pipe

600mm Machine end

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

700 mm dia BWSC Pipe Various Classes

200 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II etc., complete and as directed by the TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

For PSC Pipes of various sizes

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

50mm PVC 6 KSC

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

200mm PVC 4KSC

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

508 mm x 5 mm thick MS PIPE

610 mm x 5.8 mm thick MS PIPE

Supply and delivery of following sizes of PVC Specials conforming to IS specifications at site of work including loading, unloading,transportation, insurance, etc., Complete and as directed by TWAD Bd. officers.

50mm PVC Coupler Fabricated 6 KSC

63mm PVC Coupler Fabricated 4 KSC

75mm PVC Coupler Fabricated 4 KSC

90mm PVC Coupler Fabricated 4 KSC

110mm PVC Coupler Fabricated 4 KSC

140mm PVC Coupler Fabricated 4 KSC

160mm PVC Coupler Fabricated 4 KSC

200mm PVC Coupler Fabricated 4 KSC

Supply and delivery of MJ Collers as directed by TWAD Board officers

500 mm dia PSC Pipe

600 mm dia PSC Pipe

Removing following the burst PVC / AC / PSC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers.

50mm PVC 6KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

200mm PVC 4KSC

500 mm PSC Pipes

600 mm PSC Pipes

Supply and delivery of the following sizes of GI Pipes and specials confirming to IS other specifications as amended from time to time with ISI marking and solvent cement as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges etc. complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

REPAIR AND RECONDITIONING OF PUMPSETS

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-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

Mukkudal

Rewinding of motor and reconditioning pump and repair works to 7.5 HP Open Well Submersible Pump Set ( 982 LPM X 16 M ) including cost of all material ,conveyance, labour charges for removing and re-erection of Submersible pumpset at Head Works, Mukkudal Infiltration Well -24Nos ( Including standby )

Rewinding of motor and repair works to 100 HP centrifugal HSC Motor ( 5882 lpm x50 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Motor at Head Works, Mukkudal Pump Room ( Including standby )

Repair and reconditioning works in 100 HP HSC centrifugal Pump ( 5882 x 50 m Head ) including cost of all material exluding Bronze impeller ,conveyance , labour charges for removing and re-erection of centrifugal HSC Pump at Head Works, Mukkudal Pump Room - ( Including standby )

Rewinding of motor and reconditioning pump and repair works to 1 HP centrifugal Monobloc Pump set (20 LPM x 41m Head) including cost of all material, conveyance, labour charges for removing and re-erection of Monobloc Pump set at Mukkudal. ( Including standby )

SUMP AT KASINATHAPURAM

Repair and reconditioning works in 120 HP Vertical turbine Pump ( 5818 lpm x 61 m Head ) including cost of all material exluding ,conveyance ,labour charges for removing and re-erection of vertical Turbine pump at Kalingapatti Pump Room ( Including standby )

Repair and reconditioning works in 120 HP Vertical turbine motor ( 5818 lpm x61 m Head ) including cost of shaft push etc all material exluding ,conveyance ,labour charges for removing and re-erection of vertical Turbine pump at Pump Room, Kalingapatti - 2 Nos ( Including standby )

Rewinding of motor and reconditioning pump and repair works to 3 HP Submersible Pump set 128 lpm x 41m hea m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at PottalpudurPump Room to - 2 Nos ( Including standby )

ALANGULAM SUMP

Rewinding of motor and reconditioning pump and repair works to 15HP Submercible Pump set (845 lpm x 38 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Alangulam Pump Room to - 2 Nos ( Including standby )

Rewinding of motor and reconditioning pump and repair works to 1HP Submercible Pump set (44 lpm x49 m Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Monobloc Pump set at Alangulam Pump Room ( Including standby )

Kalingapatty sump

Rewinding of motor works in 120 HP Vertical turbine motor (5374 lpm x64m Head ) including cost of all material exluding ,conveyance ,labour charges for removing and re-erection of vertical Turbine pump at Pump Room. ( Including standby )

Repair and reconditioning works in 120 HP Vertical turbine Pump (5374 lpm x64m Head ) including cost of all material exluding ,conveyance ,labour charges for removing and re-erection of vertical Turbine pump at Pump Room. ( Including standby )

Sendamaram Sump

Rewinding of motor works in 100 HP Vertical turbine motor (5374 lpm x 47m Head ) including cost of all material exluding ,conveyance ,labour charges for removing and re-erection of vertical Turbine pump at Pump Room ( Including standby )

Repair and reconditioning works in 100 HP Vertical turbine Pump (5374 lpm x 47m Head ) including cost of all material exluding ,conveyance ,labour charges for removing and re-erection of vertical Turbine pump at Pump Room. ( Including standby )

Rewinding of motor and reconditioning pump and repair works to 2HP submersible Pump set (170lpm x18m) including cost of all material ,conveyance ,labour charges for removing and re-erection Pump set to Sendamaram. ( Including standby )

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set (230lpm x 31m) including cost of all material ,conveyance ,labour charges for removing and re-erection Pump set to veerasigamani. ( Including standby )

Vellalankottai sump

Rewinding of motor and reconditioning pump and repair works to 3 HP Submersible Pump set ( 295 lpm x21m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Vellalankottai- 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 15 HP Submersible Pump set ( 1212 lpm x27 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Vasudevanallur- 2 Nos ( Including stand by )

NARANAPURAM SUMP

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 176 lpm x268 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Naranapuram- 2 Nos ( Including stand by )

VADAMALAPURAM SUMP

Rewinding of motor and reconditioning pump and repair works to 1 HP Submersible Pump set ( 52 lpm x18 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Vadamalapuram - 2 Nos ( Including stand by )

THIRUMALAPURAM SUMP

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set ( 331 lpm x23 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Thirumalapuram - 2 Nos ( Including stand by )

RAYAGIRI SUMP

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set ( 208 lpm x35 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Viswanathaperi - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 25 HP Submersible Pump set ( 1087 lpm x 50 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Sivagiri RTP - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 10 HP Submersible Pump set ( 709 lpm x 20 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Rayagiri RTP - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 1HP Submersible Pump set (68lpm x 24m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Refugee colony - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 1.50 HP Submersible Pump set ( 112 lpm x 19m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Muthukudi - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 2 HP Submersible Pump set ( 150lpm x 26m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Samusigapuram - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3 HP Submersible Pump set ( 280lpm x 23m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Samusigapuram - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 3 HP Submersible Pump set ( 150 lpm x 33 m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Ashilapuram - 2 Nos ( Including stand by )

Rewinding of motor and reconditioning pump and repair works to 5 HP Submersible Pump set ( 308 lpm x 30m) including cost of all material, conveyance ,labour charges for removing and re-erection of Submersible Pumpset set etc.., complete and as directed by TWAD Borad officers at Kothankulam - 2 Nos ( Including stand by )

Attending cable fault by replacing the cable 6 Nos of IW

Supply, delivery of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated and steel Armoured aluminium cable as per I.S.7098 for following Wells submersible motor to main panel board.35 sqmm Aluminum armoured cable for 7 Nos of IW Including standby pumpset.

Laying of 1.1 KV Grade 3 core 35 Sq. mm PVC insulated steel Armoured aluminium cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.35 sqmm Aluminum armoured cable for 7 Nos of IW Including standby pumpset

Jonting the 1.1KV grade 3 Core 35 SQ mm PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials etc complete directed by the TWAD Board officers. 35 sq.mm cable for 7 Nos.of infiltration wells

Supply, delivery of 1.1 KV Grade 3 core 50 Sq. mm PVC insulated and steel Armoured aluminium cable as per I.S.1554 for following Wells submersible motor to main panel board.50 sqmm Aluminum armoured cable for 2 Nos of IW Including standby pumpset.

Laying of 1.1 KV Grade 3 core 50 Sq. mm PVC insulated steel Armoured aluminium cable as per I.E. rules to be laid in between Well Submersible motor and main panel board. 50 sqmm Aluminum armoured cable for 2 Nos of IW Including standby pumpset

Jonting the 1.1KV grade 3 Core 50 SQ mm PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials etc complete directed by the TWAD Board officers Jointing of 50 sq.mm cable for 2 Nos.of infiltration wells

Replacement of 32-400 Amps 3 Pole MCCB Switch in the Head works and other pumprooms inclusive of handling charges and F.O.R destination etc complete directed by the TWAD Board officers.

3 Pole MCCB

Supply and delivery of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1. etc., complete and as directed by TWAD Board Officers

9 Amps\440V

12 Amps\440V

18 Amps\440V

25 Amps\440V

32 Amps\440V

40 Amps\440V

45 Amps\440V

70 Amps\440V

95 Amps\440V

225 Amps\440V

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 10A-20A

Upto 20A-30A

Upto 30A-50A

Upto 50A-75A

Upto 75A-110A

Upto 200A-300A

Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

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

Attending Major Repair works to 250KVA Transformer At MUKKUDAL HEAD WORKS

Labour charges for dismantling of 315 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value improvement work 900c for 2 days to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for transformer tank cleaning and painting work to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 315 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Attending Major Repair works to 250KVA Transformer At Kasinathapuram, Kalingapatti & Senthamaram Booster Station

Labour charges for dismantling of 250 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 3 phase insulation to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value improvement work 900c for 2 days to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for transformer tank cleaning and painting work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 250 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately) and as directed by TWAD Board Officers

For 1 HP Starter

For 3 HP Starter

For 5 HP Starter

Carrying out the repair works occuring during the maintenance period in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all charges for dismantling, repair, reinstallation, conveyance, cost of materials and all other incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II. etc complete and as directed by TWAD Board officers

Attending Repair , Rectification and reconditioning of CI Sluice valve / CI NRV valve including cost of all materials , conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

600mm sluice valve

500 mm CI Sluice valve

450 mm CI Sluice valve

400 mm CI Sluice valve

250 mm CI Scour valve

350 mm CI Sluice valve

300 mm CI Sluice valve

300 mm CI NRV valve

200 mm CI Sluice valve

200 mm CI NRV valve

150 mm CI Sluice valve

150 mm CI NRV valve

100 mm CI Sluice valve

Supply, delivery and fixing of following size of Gate valves in OHT's including transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board Ofificers.

50 mm Gate valve

65 mm Gate valve

80 mm Gate valve

100 mm Gate valve

Supply and delivery 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 etc., complete and as directed by TWAD Board Ofificers.

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

COST OF CHEMICALS

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

Removal of sediments and deposition of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall using wire brushes, brooms, collecting , lifting of the deposited slit particles on above the sump and washing side wall and the slab using bleaching powder etc., complete and as directed by TWAD Board officers

4.00 LL capacity of sump @ head works Mukkudal

8.00 LL capacity of sump @ Kasinathapuam

7.00 LL capacity of sump @ , kalinkapatty, Sendamaram

1.50 LL capacity of sump @ Rayagiri

1.00 LL capacity of sump @ Alangulam, velllankottai

0.30 LL capacity of sump @ Gudalure and Thirumalapuram

0.15 LL capacity of sump @ Vadamalapuram

0.10 LL capacity of sump @ Naranapuram

4.00 LL capacity of sump @ Srivilliputhur

1.50 LL capacity of sump @ Samsigapuram

1.00. LL capacity of sump @ Kothankulam

0.30 LL capacity of sump @ Refuge colony

0.60 LL capacity of sump @ Asilapuram and Muthukudi

For the year 2027-28 (From 01.04.2027 to 31.03.2028)

OUTSOURCING IN MLD

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure 12.00 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity etc complete and as directed by TWAD Board officers . Totally 4380.00 ML (12*365 days)

Attending collar Leaks occurred in all the size, class and material of pipes in all the pipelines of this CWSS for the following items round the clock as per the standard specifications including earthwork excavation ,removal of slushy soil, labour charges, civil works, cost of materials, dewatering , genset, welding unit,and providing night lamps, barrigading arrangements, caution sign boards ,trafic diversion arrangements and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of PSC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PSC Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

500 mm dia PSC Pipe

600 mm dia PSC Pipe

Supply and delivery of Hard crete oil as per sample including loading, unloading and transportation charges etc. complete and as directed by TWAD Board Officers

500 mm dia PSC Pipe

600 mm dia PSC Pipe

Supply and delivery of cement including loading, unloading and transportation charges etc., and as directed by TWAD Board Officers

500 mm dia PSC Pipe

600 mm dia PSC Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete and as directed by TWAD Board officers

500 mm dia PSC Pipe

600 mm dia PSC Pipe

Refilling with excavated soil (other than sand) complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

PSC Pipes of various sizes

Attending leaks in the pipelines of this CWSS for the following items as per the standard procedure including earthwork excavation , dewatering , removing , relaying, jointing civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract Part II.and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of AC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

700 mm dia BWSC Pipe Various Classes

200 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

700 mm dia BWSC Pipe Various Classes

200 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Hire charges for welding unit including cost of welding rod,gas unit for cutting,fabrication of MS pipes and specials including Transportation,loading unloading and all other charges.

700 mm dia BWSC Pipe Various Classes

200 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Hire charges for Generator for electric current for attending leaks including light fuel, crew, Transportation,loading unloading and all other charges etc., complete and as directed by TWAD Board officers.

700 mm dia BWSC Pipe Various Classes

200 mm MS Pipe

500 mm MS Pipe

600 mm MS Pipe

Supply and Delivery of MS specials as per IS 7322-1985 with inside lining and outside coating inclusive of transporation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers.

700 mm dia BWSC Pipe Various Classes

200mm MS pipe

200mm Machine end

500mm MS pipe

500mm Machine end

600mm MS pipe

600mm Machine end

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

700 mm dia BWSC Pipe Various Classes