Operation and Maintenance of 25 nos CWSS in Tirunelveli District

Supply earmarked quantity of water noted against 25 Nos. CWSS in Tirunelveli District by carrying out all the necessary works such as pumping, attending to leak and burst, attending to electrical and mechanical repair works, providing disinfection, preventive maintenance of all installations, sump cleaning and deliverance of earmarked quantity of water to the beneficiaries as per schedule and standard operating procedures and as directed by the TWAD Board officers for the period from 01.04.2026 to 31.03.2029

Operation and Maintenance of the CWSS to 170 habitations in Manur and Palayamkottai union in Tirunelveli District with river Tamirbarani as source

Operation and Maintenance of the CWSS to Nanguneri - Thisayanvilai Town Panchayats and 297 Rural Habitations in Tirunelveli District with river Tamirbarani as source

Operation and Maintenance of the CWSS to Senthamangalam and 57 Wayside Habitations in Tirunelveli District. with river Tamirbarani as source

Operation and Maintenance of the CWSS to Narasinganallur in Tirunelveli District with river Tamirbarani as source

Operation and Maintenance of the CWSS to 483 Rural habitations in Manur and 7 other Panchayat Unions, Sankarankovilmunicipality, Thiruvengadamr T.P, Sivakasi Corporation in Tirunelveli, Tenkasi and Virudhunagar District. with river Tamirbarani as source

Operation and Maintenance of the CWSS to Sankarankovil Municipality. Alangulam rtp and 60 Way Side Habitations with river Tamirbarani as source

Operation and Maintenance of the CWSS to Vagaikulam and 12 other rural habitations in Ambasamudram union of Tirunelveli District with river Tamirbarani as source

Operation and Maintenance of the CWSS to 185 rural habitations inTirunelveli Districtwith river Tamirbarani as source

Operation and Maintenance of the CWSS to Koodankulam and 12 other Village Panchayats of Radhapuram and Valliyur union in Tirunelveli District with river Tamirbarani as source

Operation and Maintenance of the CWSS to Tsunami Affected 113 habitations in Tirunelveli District with river Tamirbarani as source

Operation and Maintenance of the CWSS to 25 Habitations in Pappakudi Union and 6 Habitations in Alangulam Union in Tirunelveli District.

Operation and Maintenance of the CWSS to Pappakudi and 17 Habitations in Tirunelveli District.

Operation and Maintenance of the CWSS Kavalkinaru - Vadakkankulam CWSS in Tirunelveli District

Operation and Maintenance of the WSS to Tirunelveli Medical College,Hostel and Hospital inTirunelveli District

Operation and Maintenance of the WSS to Central Prison in Tirunelveli District

Operation and Maintenance of the CWSS TO MOOLAKARAIPATTI in Tirunelveli DISTRICT.

Operation and Maintenance of the CWSS TO 34 RURAL HABITATIONS IN Manur Union of TIRUNELVELI DISTRICT.

Operation and Maintenance of the Skylark (P) WSS in Tirunelveli District.

Operation and Maintenance of the CWSS SANKARNAGAR THALAIYUTHU IN TIRUNELVELI DISTRICT

Operation and Maintenance of the CWSS Ponnakudi and 22 Rural habitations in Tirunelveli District.

Operation and Maintenance of the CWSS to BURKITMANAGAR in Tirunelveli District.

Operation and Maintenance of the CWSS to Reddiyarpatti and 63 Rural habitations in Tirunelveli District

Operation and Maintenance of the CWSS to Panagudi - Vadakku Valliyoor Town Panchayats and 168 Habitations in Tirunelveli District.

Operation and Maintenance of the CWSS TO BRAMMADESAM ,MANNARKOVIL, VAGAIKULAM HABITATIONS IN IN TIRUNELVELI DISTRICT

Operation and Maintenance of the CWSS TO BRAMMADESAM AND THREE OTHER VILLAGE PANCHAYATS COVERING 17 HABITATIONS IN AMBASAMUDRAM UNION OF TIRUNELVELI DISTRICT

Total Basic Value

Add GST @18% on Basic Value

Item Rate BoQ

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NUMBER #

For the Year 2026-27 (From 01.04.2026- 31.03.2027)

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 5.21 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 1901.65 ML (5.21*365)

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 for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PVC Pipes of various sizes

Removing the burst P.V.C. 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

50 mm PVC 6 KSC

63mm PVC 4KSC

75mm PVC 4 KSC

90mm PVC 4KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

200mm PVC 4KSC

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

50 mm PVC 6 KSC

63mm PVC 4KSC

75mm PVC 4 KSC

90mm PVC 4KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

200mm PVC 4KSC

50 mm PVC 6 KSC PVC COUPLER FABRICATED

63mm PVC 4KSC PVC COUPLER FABRICATED

75mm PVC 4 KSC PVC COUPLER FABRICATED

90mm PVC 4KSC PVC COUPLER FABRICATED

110mm PVC 4KSC PVC COUPLER FABRICATED

140mm PVC 4KSC PVC COUPLER FABRICATED

160mm PVC 4KSC PVC COUPLER FABRICATED

200mm PVC 4KSC PVC COUPLER FABRICATED

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 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 leak rectification works for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For DI Pipe various size

Removing the burst DI 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 (ex

300mm DI K7 Pipe

250mm DI K7 Pipe

Supply and delivery of the following sizes of DUCTILE IRON PIPES of CLASS K7 confirming to the IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

300mm DI K7 Pipe

250mm DI K7 Pipe

Dewatering using 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 the TWAD Board officers.

300mm DI K7 Pipe

250mm DI K7 Pipe

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials)

300mm DI K7 Pipe

250mm DI K7 Pipe

For DI Pipe various size

Rewinding of Motors/ Coil in pumping stations iod in the Electrical, Mechanical and Elctro- mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6. of General conditions of Contract Part II. complete and as directed by the TWAD Board officers.

Rewinding of motor and reconditioning pump and repair works to Submersible Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Carrying out the 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 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.B74 complete and as directed by the TWAD Board officers.

Repairing/ reconditioning of Sluice valve (for line valve/ for Scour valve) including all material, labour (Specify type of sluice valve and type of repair to be carried out)

50mm SLUICE valve

65mm SLUICE valve

80mm SLUICE valve

80mm Scour valve

20mm Single chamber Air valve

40mm Double chamber Air valve

100mm Scour valve

150mm SLUICE valve

100mm SLUICE valve

200mm SLUICE valve

125mm Scour valve

50mm Gate valve

Attending cable fault by replacing the cable

Supply, delivery of 1.1 KV Armoured Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

3core 16Sq. mm aluminium cable

Laying of following cable as per I.E. rules etc., complete and as directed by TWAD Board Officers -For laying below GL including earth work

3core 16Sq. mm aluminium cable

Jonting the 1.1KV grade Armoured Aluminium Conductor cable CABLE conforming to IS 1554 PART I and as amended thereafter including jointing material and labour with ISI making etc., complete and as directed bt TWAD Board Officers

3core 16Sq. mm aluminium cable

Supply, delivery of 1.1 KV Armoured Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

3core 25Sq. mm aluminium cable

Laying of following cable as per I.E. rules etc., complete and as directed by TWAD Board Officers -For laying below GL including earth work

3core 25Sq. mm aluminium cable

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

3core 25Sq. mm aluminium cable

Supply and delivery of following Range AMPS 3 Pole MCCB Switch (Moulted case circuit breakers) to control EB supply from E.B Pole to Main Panel Board

400 Amps 3 pole MCCB Switch

63 Amps 3 pole MCCB Switch

100 Amps 3 pole MCCB Switch

32 Amps 3 pole MCCB Switch

Supply and delivery of 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

2 KVAR Power capacitors for 31 wayside sumps

For 7.5 HP Star delta

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) nclusive of two level guard worth and auto start facility worth etc., complete and as directed by TWAD Board officers

For 5 HP DOL Starter

For 3 HP DOL Starter

For 2 HP DOL Starter

For 1 HP DOL Starter

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

2.70 LL capacity of sump @ Melakallur

0.60 LL capacity of sump @ Melakallur

0.65 LL capacity of sump @ sankanthiradu

2.35LL capacity of sump @ Kodaganallur

0.65LL capacity of sump @ Pazhavoor

1.00LL capacity of sump @ Kondanagaram

4.80 LL capacity of sump @ Suthamalli

1.65LL capacity of sump @ Narasinganallur

1.50LL capacity of sump @ Pettai Rural

0.40LL capacity of sump @ Thenpathu

0.55LL capacity of sump @ Vellalankulam

0.25LL capacity of sump @ Thulukarkulam

0.65LL capacity of sump @ Thirupanikarisalkulam

2.50LL capacity of sump @ Seethaparapanallur

0.60LL capacity of sump @ Pudhur

0.30LL capacity of sump @ Vallavankottai

0.70LL capacity of sump @ Madhavakuruchi

1.95LL capacity of sump @ Ramayanpatti

0.30LL capacity of sump @ Nanjankulam

0.85LL capacity of sump @ Thenkalam

1.75LL capacity of sump @ Thalaiyuthu

0.40LL capacity of sump @ Mavadi

0.70LL capacity of sump @ Manur

0.45LL capacity of sump @ Ettankulam

0.60LL capacity of sump @ Kalakudi

0.85LL capacity of sump @ Therkupatti

0.95LL capacity of sump @ Pallikottai

0.60LL capacity of sump @ Kanarpatti

0.75LL capacity of sump @ Pillayarkulam

1.00LL capacity of sump @ Alagiyapandipuram

1.25LL capacity of sump @ Vagaikulam

2.50LL capacity of sump @ Ukkirankottai

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.

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

For the Year 2027-28 (From 01.04.2027- 31.03.2028)

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 5.262 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 1925.892 ML (5.262*366)

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 for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PVC Pipes of various sizes

Removing the burst P.V.C. 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

50 mm PVC 6 KSC

63mm PVC 4KSC

75mm PVC 4 KSC

90mm PVC 4KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

200mm PVC 4KSC

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

50 mm PVC 6 KSC

63mm PVC 4KSC

75mm PVC 4 KSC

90mm PVC 4KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

200mm PVC 4KSC

50 mm PVC 6 KSC PVC COUPLER FABRICATED

63mm PVC 4KSC PVC COUPLER FABRICATED

75mm PVC 4 KSC PVC COUPLER FABRICATED

90mm PVC 4KSC PVC COUPLER FABRICATED

110mm PVC 4KSC PVC COUPLER FABRICATED

140mm PVC 4KSC PVC COUPLER FABRICATED

160mm PVC 4KSC PVC COUPLER FABRICATED

200mm PVC 4KSC PVC COUPLER FABRICATED

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 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 leak rectification works for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For DI Pipe various size

Removing the burst DI 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 (ex

300mm DI K7 Pipe

250mm DI K7 Pipe

Supply and delivery of the following sizes of DUCTILE IRON PIPES of CLASS K7 confirming to the IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

300mm DI K7 Pipe

250mm DI K7 Pipe

Dewatering using 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 the TWAD Board officers.

300mm DI K7 Pipe

250mm DI K7 Pipe

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials)

300mm DI K7 Pipe

250mm DI K7 Pipe

For DI Pipe various size

Rewinding of Motors/ Coil in pumping stations iod in the Electrical, Mechanical and Elctro- mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6. of General conditions of Contract Part II. complete and as directed by the TWAD Board officers.

Rewinding of motor and reconditioning pump and repair works to Submersible Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Carrying out the 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 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.B74 complete and as directed by the TWAD Board officers.

Repairing/ reconditioning of Sluice valve (for line valve/ for Scour valve) including all material, labour (Specify type of sluice valve and type of repair to be carried out)

50mm SLUICE valve

65mm SLUICE valve

80mm SLUICE valve

80mm Scour valve

20mm Single chamber Air valve

40mm Double chamber Air valve

100mm Scour valve

150mm SLUICE valve

100mm SLUICE valve

200mm SLUICE valve

125mm Scour valve

50mm Gate valve

Attending cable fault by replacing the cable

Supply, delivery of 1.1 KV Armoured Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

3core 16Sq. mm aluminium cable

Laying of following cable as per I.E. rules etc., complete and as directed by TWAD Board Officers -For laying below GL including earth work

3core 16Sq. mm aluminium cable

Jonting the 1.1KV grade Armoured Aluminium Conductor cable CABLE conforming to IS 1554 PART I and as amended thereafter including jointing material and labour with ISI making etc., complete and as directed bt TWAD Board Officers

3core 16Sq. mm aluminium cable

Supply, delivery of 1.1 KV Armoured Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

3core 25Sq. mm aluminium cable

Laying of following cable as per I.E. rules etc., complete and as directed by TWAD Board Officers -For laying below GL including earth work

3core 25Sq. mm aluminium cable

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

3core 25Sq. mm aluminium cable

Supply and delivery of following Range AMPS 3 Pole MCCB Switch (Moulted case circuit breakers) to control EB supply from E.B Pole to Main Panel Board

400 Amps 3 pole MCCB Switch

63 Amps 3 pole MCCB Switch

100 Amps 3 pole MCCB Switch

32 Amps 3 pole MCCB Switch

Supply and delivery of 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

2 KVAR Power capacitors for 31 wayside sumps

For 7.5 HP Star delta

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) nclusive of two level guard worth and auto start facility worth etc., complete and as directed by TWAD Board officers

For 5 HP DOL Starter

For 3 HP DOL Starter

For 2 HP DOL Starter

For 1 HP DOL Starter

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

2.70 LL capacity of sump @ Melakallur

0.60 LL capacity of sump @ Melakallur

0.65 LL capacity of sump @ sankanthiradu

2.35LL capacity of sump @ Kodaganallur

0.65LL capacity of sump @ Pazhavoor

1.00LL capacity of sump @ Kondanagaram

4.80 LL capacity of sump @ Suthamalli

1.65LL capacity of sump @ Narasinganallur

1.50LL capacity of sump @ Pettai Rural

0.40LL capacity of sump @ Thenpathu

0.55LL capacity of sump @ Vellalankulam

0.25LL capacity of sump @ Thulukarkulam

0.65LL capacity of sump @ Thirupanikarisalkulam

2.50LL capacity of sump @ Seethaparapanallur

0.60LL capacity of sump @ Pudhur

0.30LL capacity of sump @ Vallavankottai

0.70LL capacity of sump @ Madhavakuruchi

1.95LL capacity of sump @ Ramayanpatti

0.30LL capacity of sump @ Nanjankulam

0.85LL capacity of sump @ Thenkalam

1.75LL capacity of sump @ Thalaiyuthu

0.40LL capacity of sump @ Mavadi

0.70LL capacity of sump @ Manur

0.45LL capacity of sump @ Ettankulam

0.60LL capacity of sump @ Kalakudi

0.85LL capacity of sump @ Therkupatti

0.95LL capacity of sump @ Pallikottai

0.60LL capacity of sump @ Kanarpatti

0.75LL capacity of sump @ Pillayarkulam

1.00LL capacity of sump @ Alagiyapandipuram

1.25LL capacity of sump @ Vagaikulam

2.50LL capacity of sump @ Ukkirankottai

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.

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

For the Year 2028-29 (From 01.04.2028- 31.03.2029)

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 5.32 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 1941.80 ML (5.32*365)

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 for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PVC Pipes of various sizes

Removing the burst P.V.C. 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

50 mm PVC 6 KSC

63mm PVC 4KSC

75mm PVC 4 KSC

90mm PVC 4KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

200mm PVC 4KSC

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

50 mm PVC 6 KSC

63mm PVC 4KSC

75mm PVC 4 KSC

90mm PVC 4KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

200mm PVC 4KSC

50 mm PVC 6 KSC PVC COUPLER FABRICATED

63mm PVC 4KSC PVC COUPLER FABRICATED

75mm PVC 4 KSC PVC COUPLER FABRICATED

90mm PVC 4KSC PVC COUPLER FABRICATED

110mm PVC 4KSC PVC COUPLER FABRICATED

140mm PVC 4KSC PVC COUPLER FABRICATED

160mm PVC 4KSC PVC COUPLER FABRICATED

200mm PVC 4KSC PVC COUPLER FABRICATED

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 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 leak rectification works for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For DI Pipe various size

Removing the burst DI 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 (ex

300mm DI K7 Pipe

250mm DI K7 Pipe

Supply and delivery of the following sizes of DUCTILE IRON PIPES of CLASS K7 confirming to the IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

300mm DI K7 Pipe

250mm DI K7 Pipe

Dewatering using 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 the TWAD Board officers.

300mm DI K7 Pipe

250mm DI K7 Pipe

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials)

300mm DI K7 Pipe

250mm DI K7 Pipe

For DI Pipe various size

Rewinding of Motors/ Coil in pumping stations iod in the Electrical, Mechanical and Elctro- mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6. of General conditions of Contract Part II. complete and as directed by the TWAD Board officers.

Rewinding of motor and reconditioning pump and repair works to Submersible Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Carrying out the 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 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.B74 complete and as directed by the TWAD Board officers.

Repairing/ reconditioning of Sluice valve (for line valve/ for Scour valve) including all material, labour (Specify type of sluice valve and type of repair to be carried out)

50mm SLUICE valve

65mm SLUICE valve

80mm SLUICE valve

80mm Scour valve

20mm Single chamber Air valve

40mm Double chamber Air valve

100mm Scour valve

150mm SLUICE valve

100mm SLUICE valve

200mm SLUICE valve

125mm Scour valve

50mm Gate valve

Attending cable fault by replacing the cable

Supply, delivery of 1.1 KV Armoured Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

3core 16Sq. mm aluminium cable

Laying of following cable as per I.E. rules etc., complete and as directed by TWAD Board Officers -For laying below GL including earth work

3core 16Sq. mm aluminium cable

Jonting the 1.1KV grade Armoured Aluminium Conductor cable CABLE conforming to IS 1554 PART I and as amended thereafter including jointing material and labour with ISI making etc., complete and as directed bt TWAD Board Officers

3core 16Sq. mm aluminium cable

Supply, delivery of 1.1 KV Armoured Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

3core 25Sq. mm aluminium cable

Laying of following cable as per I.E. rules etc., complete and as directed by TWAD Board Officers -For laying below GL including earth work

3core 25Sq. mm aluminium cable

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

3core 25Sq. mm aluminium cable

Supply and delivery of following Range AMPS 3 Pole MCCB Switch (Moulted case circuit breakers) to control EB supply from E.B Pole to Main Panel Board

400 Amps 3 pole MCCB Switch

63 Amps 3 pole MCCB Switch

100 Amps 3 pole MCCB Switch

32 Amps 3 pole MCCB Switch

Supply and delivery of 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

2 KVAR Power capacitors for 31 wayside sumps

For 7.5 HP Star delta

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) nclusive of two level guard worth and auto start facility worth etc., complete and as directed by TWAD Board officers

For 5 HP DOL Starter

For 3 HP DOL Starter

For 2 HP DOL Starter

For 1 HP DOL Starter

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

2.70 LL capacity of sump @ Melakallur

0.60 LL capacity of sump @ Melakallur

0.65 LL capacity of sump @ sankanthiradu

2.35LL capacity of sump @ Kodaganallur

0.65LL capacity of sump @ Pazhavoor

1.00LL capacity of sump @ Kondanagaram

4.80 LL capacity of sump @ Suthamalli

1.65LL capacity of sump @ Narasinganallur

1.50LL capacity of sump @ Pettai Rural

0.40LL capacity of sump @ Thenpathu

0.55LL capacity of sump @ Vellalankulam

0.25LL capacity of sump @ Thulukarkulam

0.65LL capacity of sump @ Thirupanikarisalkulam

2.50LL capacity of sump @ Seethaparapanallur

0.60LL capacity of sump @ Pudhur

0.30LL capacity of sump @ Vallavankottai

0.70LL capacity of sump @ Madhavakuruchi

1.95LL capacity of sump @ Ramayanpatti

0.30LL capacity of sump @ Nanjankulam

0.85LL capacity of sump @ Thenkalam

1.75LL capacity of sump @ Thalaiyuthu

0.40LL capacity of sump @ Mavadi

0.70LL capacity of sump @ Manur

0.45LL capacity of sump @ Ettankulam

0.60LL capacity of sump @ Kalakudi

0.85LL capacity of sump @ Therkupatti

0.95LL capacity of sump @ Pallikottai

0.60LL capacity of sump @ Kanarpatti

0.75LL capacity of sump @ Pillayarkulam

1.00LL capacity of sump @ Alagiyapandipuram

1.25LL capacity of sump @ Vagaikulam

2.50LL capacity of sump @ Ukkirankottai

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.

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

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- 31.03.2027)

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 10.62 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 3876.30 ML (10.62*365)

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 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 AC and PSC Collar leak rectification works for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. (AC and PSC pipe Collar Leak )

AC Pipe - 441.393 cum PSC Pipe - 1012.844 cum

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

AC pipe - 585 kg PSC pipe - 1000 kg

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

AC pipe -585.00 litre PSC pipe - 875.00 litre

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

AC pipe - 1105.00 Kg PSC pipe - 1290.00 kg

Dewatering using 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 the TWAD Board officers.- 5 HP

AC pipe - 845 hrs PSC pipe - 875.00 hrs

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

AC Pipe - 441.393 cum PSC Pipe - 1012.844 cum

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 pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. AC & PSC Leak rectification with MS clampset

AC pipe - 281.979 cum PSC pipe - 188.054 cum

Supply and delivery of Leak Arresting Flexible MS Clamps etc., complete and as directed by TWAD Board Officers

400 mm dia AC Class 15 Pipe

300 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

200 mm dia AC Class 15 Pipe

150 mm dia AC Class 15 Pipe

For 500 NB PSC of various classes Pipe

For 400 NB PSC of various classes Pipe

For 350 NB PSC of various classes Pipe

Dewatering using 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 the TWAD Board officers.- 5 HP

AC pipe - 617 hrs PSC pipe - 238 hrs

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

AC pipe -281.979 cum PSC Pipe - 188.054 cum

Attending Burst 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. -PVC, AC and PSC burst

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 for the following sizes of PVC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. PVC pipe - 1048.922 cum AC pipe - 238.923 cum PSC pipe - 745.079 cum

Removing the burst P.V.C/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

50 mm PVC 6 KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

200mm PVC 4 KSC

For 300 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

For 350 mm PSC Pipes of various classes

For 400 mm PSC Pipes of various classes

For 500 mm PSC Pipes of various classes

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

50 mm PVC6 KSC Pipe

63mm PVC 4KSC Pipe

75mm PVC 4KSC Pipe

90mm PVC 4 KSC Pipe

110mm PVC 4KSC Pipe

140mm PVC 4KSC Pipe

160 mm PVC 4KSC Pipe

200 mm PVC 4KSC Pipe

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

200 mm PVC Coupler Fabricated 4 KSC

Supply and delivery of the following sizes of DUCTILE IRON PIPES of CLASS K7 confirming to the IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

150 mm DI K7 Class

200 mm DI K7 Class

250mm DI K7 Class

300 mm DI K7 Class

400 mm DI K7 Class

Supply and Delivery of MJ Collars as directed by TWAD Board officers

Supply and Delivery of following MS pipes of as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2540 mm OD as per Table -8 of IS 3589:2001 2.Pipes shall be externally coated with plant applied CM 1:3, minimum 20mm thick including reinforcement as per clause A-9 of Annex-A of IS 3589:2001 inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by the TWAD Board officers.

355.6 mm x 5.6 mm thick MS PIPE

406.4 mm x 6.3 mm thick MS PIPE

508 mm x 6.3 mm thick PIPE

Supply and Delivery of MJ Collars as directed by TWAD Board officers

350 mm dia PSC Pipe Various Classes

400 mm dia PSC Pipe Various Classes

500 mm dia PSC Pipe Various Classes

Rewinding of Motors/ Coil in pumping stations iod in the Electrical, Mechanical and Elctro- mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6. of General conditions of Contract Part II. complete and as directed by the TWAD Board officers.

Rewinding of motor and reconditioning pump and repair works to Submersible /Monoblock Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Submersible Pump Set

Monoblock Pump

Rewinding of motor and and repair works to vertical turbine Motor including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Rewinding of motor and and repair works to HSC motor including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity Vertical turbine Pump set including cost of all material (excluding bronze impeller, SS shaft ,MS column pipe) conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity HSC Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Supply and delivery of 440V Electro magnetic Contactors Suitable for Starter in AC Three Phase rating Conforming to IS/IEC 60947-4-1 etc., complete and as directed by TWAD Board officers

Supply and delivery of Directly operated Bimetallic Thermal overload relay Upto which operates in case of overload and also in case of under voltage with manual and auto reset mode

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) nclusive of two level guard worth and auto start facility worth etc., complete and as directed by TWAD Board officers

5 HP Starter

3 HP Starter

2 HP Starter

7.5 HP Starter

12.5 HP Starter

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc. etc., complete and as directed by TWAD Board officers.

60 HP Starter

40 HP Starter

Attending cable fault by replacing the cable

Supply, delivery of 1.1 KV Grade 3 core 50 Sq. mm Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

Laying of following cable as per I.E. rules etc., complete and as directed by TWAD Board Officers -For laying below GL including earth work

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

Supply and delivery of following Range AMPS 4 Pole MCCB Switch ( Moulted case circuit breakers) to control EB supply from E.B Pole to Main Panel Board

400 Amps MCCB

250-320 Amps MCCB

100 Amps MCCB

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 officers

Carrying out the 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 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.B74 complete and as directed by the TWAD Board officers.

Attending repair ,rectification and reconditioning CI Sluice / CI NRV/ Double Air valve valve including cost of all material ,conveyance ,labour charges for removing and re-erection of valve etc., complete and as directed by TWAD Board officers

350 mm CI Sluice valve

350 mm CI NRV valve

150 mm CI Sluice valve

150 mm CI Scour valve

100 mm CI Sluice valve

100 mm CI NRV valve

250 mm CI Sluice valve

100mm Double air valve

80 mm Double air valve

50 mm Double air valve

40 mm Double air valve

Supply, delivery and fixing of G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

125 mm Gate valve

100 mm Gate valve

80 mm Gate valve

65 mm Gate valve

50 mm Gate valve

40 mm Gate valve

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the sidewall and bottom of sump using wirebrushes, brooms, collecting, lifting of the deposited silt particles outside the sump, washing side wall and floor slab using bleaching powdre etc complete and as directed by TWAD Board officers

Pathamadai (Headworks)2.50 LL

Pathamadai (Headworks)4.00 LL

Singikulam2.50 LL

Singikulam5.00 LL

SouthVijayanarayanam1.00 LL

SouthVijayanarayanam1.00 LL

Thisayanvilai0.50 LL

Thisayanvilai0.60LL

Marukalkurichi0.10LL

Nanguneri0.15LL

Nanguneri2.00 LL

PerumalNagar0.10 LL

PerumalNagar1.00 LL

Mavadi1.50 LL

Mavadi0.60LL

Radhapuram1.00 LL

Radhapuram4.00 LL

Vadakkankulam0.50LL

Vadakkankulam3.00LL

Samugarengapuram2.00LL

Samugarengapuram0.10LL

Shanmugapuram0.10LL

Alaganeri1.00 LL

Avaraikulam0.15LL

Avaraikulam0.60LL

Chidambarapuram0.60LL

Ittamohi0.10 LL

Ittamohi1.00 LL

Patrakattivilai0.10 LL

Pettaikulam0.10LL

Pettaikulam0.60LL

Rajivgandhinagar0.60LL

Manimutharkulam0.10LL

Desilting light or sandy soil or silt from infiltration wells below water level including the charges for special tools and plants and air compressor etc.complete and as directed by TWAD board officers

Formation of leading Channel Earth work deploying earth moving machineries for desliting channel and forming bund on either side and depositing the earth on banks including jungle clearance etc, complete. Having width up of 3m to 10m

TRANSFORMER REPAIR AND RECONDITIONING- 200KVA U1 & U2 Transformer - HW Pathamadai

Labour charges for dismantling of 200 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 200 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 rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 200 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 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 200 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 200 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 200 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 200 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 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 200 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

Hire charges for Mobile crane used for unloading of Transformer from Bed to loading into Vehicle for moving to Work Shop & After Repair work, Placing back in Transformer Bed

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

For the Year 2027-28 (From 01.04.2027- 31.03.2028)

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 10.62 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 3886.92 ML (10.62*366)

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 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 AC and PSC Collar leak rectification works for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. (AC and PSC pipe Collar Leak )

AC Pipe - 441.393 cum PSC Pipe - 1012.844 cum

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

AC pipe - 585 kg PSC pipe - 1000 kg

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

AC pipe -585.00 litre PSC pipe - 875.00 litre

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

AC pipe - 1105.00 Kg PSC pipe - 1290.00 kg

Dewatering using 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 the TWAD Board officers.- 5 HP

AC pipe - 845 hrs PSC pipe - 875.00 hrs

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

AC Pipe - 441.393 cum PSC Pipe - 1012.844 cum

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 pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. AC & PSC Leak rectification with MS clampset

AC pipe - 281.979 cum PSC pipe - 188.054 cum

Supply and delivery of Leak Arresting Flexible MS Clamps etc., complete and as directed by TWAD Board Officers

400 mm dia AC Class 15 Pipe

300 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

200 mm dia AC Class 15 Pipe

150 mm dia AC Class 15 Pipe

For 500 NB PSC of various classes Pipe

For 400 NB PSC of various classes Pipe

For 350 NB PSC of various classes Pipe

Dewatering using 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 the TWAD Board officers.- 5 HP

AC pipe - 617 hrs PSC pipe - 238 hrs

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

AC pipe -281.979 cum PSC Pipe - 188.054 cum

Attending Burst 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. -PVC, AC and PSC burst

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 for the following sizes of PVC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. PVC pipe - 1048.922 cum AC pipe - 238.923 cum PSC pipe - 745.079 cum

Removing the burst P.V.C/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

50 mm PVC 6 KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

200mm PVC 4 KSC

For 300 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

For 350 mm PSC Pipes of various classes

For 400 mm PSC Pipes of various classes

For 500 mm PSC Pipes of various classes

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

50 mm PVC6 KSC Pipe

63mm PVC 4KSC Pipe

75mm PVC 4KSC Pipe

90mm PVC 4 KSC Pipe

110mm PVC 4KSC Pipe

140mm PVC 4KSC Pipe

160 mm PVC 4KSC Pipe

200 mm PVC 4KSC Pipe

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

200 mm PVC Coupler Fabricated 4 KSC

Supply and delivery of the following sizes of DUCTILE IRON PIPES of CLASS K7 confirming to the IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

150 mm DI K7 Class

200 mm DI K7 Class

250mm DI K7 Class

300 mm DI K7 Class

400 mm DI K7 Class

Supply and Delivery of MJ Collars as directed by TWAD Board officers

Supply and Delivery of following MS pipes of as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2540 mm OD as per Table -8 of IS 3589:2001 2.Pipes shall be externally coated with plant applied CM 1:3, minimum 20mm thick including reinforcement as per clause A-9 of Annex-A of IS 3589:2001 inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by the TWAD Board officers.

355.6 mm x 5.6 mm thick MS PIPE

406.4 mm x 6.3 mm thick MS PIPE

508 mm x 6.3 mm thick PIPE

Supply and Delivery of MJ Collars as directed by TWAD Board officers

350 mm dia PSC Pipe Various Classes

400 mm dia PSC Pipe Various Classes

500 mm dia PSC Pipe Various Classes

Rewinding of Motors/ Coil in pumping stations iod in the Electrical, Mechanical and Elctro- mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6. of General conditions of Contract Part II. complete and as directed by the TWAD Board officers.

Rewinding of motor and reconditioning pump and repair works to Submersible /Monoblock Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Submersible Pump Set

Monoblock Pump

Rewinding of motor and and repair works to vertical turbine Motor including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Rewinding of motor and and repair works to HSC motor including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity Vertical turbine Pump set including cost of all material (excluding bronze impeller, SS shaft ,MS column pipe) conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity HSC Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Supply and delivery of 440V Electro magnetic Contactors Suitable for Starter in AC Three Phase rating Conforming to IS/IEC 60947-4-1 etc., complete and as directed by TWAD Board officers

Supply and delivery of Directly operated Bimetallic Thermal overload relay Upto which operates in case of overload and also in case of under voltage with manual and auto reset mode

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) nclusive of two level guard worth and auto start facility worth etc., complete and as directed by TWAD Board officers

5 HP Starter

3 HP Starter

2 HP Starter

7.5 HP Starter

12.5 HP Starter

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc. etc., complete and as directed by TWAD Board officers.

60 HP Starter

40 HP Starter

Attending cable fault by replacing the cable

Supply, delivery of 1.1 KV Grade 3 core 50 Sq. mm Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

Laying of following cable as per I.E. rules etc., complete and as directed by TWAD Board Officers -For laying below GL including earth work

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

Supply and delivery of following Range AMPS 4 Pole MCCB Switch ( Moulted case circuit breakers) to control EB supply from E.B Pole to Main Panel Board

400 Amps MCCB

250-320 Amps MCCB

100 Amps MCCB

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 officers

Carrying out the 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 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.B74 complete and as directed by the TWAD Board officers.

Attending repair ,rectification and reconditioning CI Sluice / CI NRV/ Double Air valve valve including cost of all material ,conveyance ,labour charges for removing and re-erection of valve etc., complete and as directed by TWAD Board officers

350 mm CI Sluice valve

350 mm CI NRV valve

150 mm CI Sluice valve

150 mm CI Scour valve

100 mm CI Sluice valve

100 mm CI NRV valve

250 mm CI Sluice valve

100mm Double air valve

80 mm Double air valve

50 mm Double air valve

40 mm Double air valve

Supply, delivery and fixing of G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

125 mm Gate valve

100 mm Gate valve

80 mm Gate valve

65 mm Gate valve

50 mm Gate valve

40 mm Gate valve

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the sidewall and bottom of sump using wirebrushes, brooms, collecting, lifting of the deposited silt particles outside the sump, washing side wall and floor slab using bleaching powdre etc complete and as directed by TWAD Board officers

Pathamadai (Headworks)2.50 LL

Pathamadai (Headworks)4.00 LL

Singikulam2.50 LL

Singikulam5.00 LL

SouthVijayanarayanam1.00 LL

SouthVijayanarayanam1.00 LL

Thisayanvilai0.50 LL

Thisayanvilai0.60LL

Marukalkurichi0.10LL

Nanguneri0.15LL

Nanguneri2.00 LL

PerumalNagar0.10 LL

PerumalNagar1.00 LL

Mavadi1.50 LL

Mavadi0.60LL

Radhapuram1.00 LL

Radhapuram4.00 LL

Vadakkankulam0.50LL

Vadakkankulam3.00LL

Samugarengapuram2.00LL

Samugarengapuram0.10LL

Shanmugapuram0.10LL

Alaganeri1.00 LL

Avaraikulam0.15LL

Avaraikulam0.60LL

Chidambarapuram0.60LL

Ittamohi0.10 LL

Ittamohi1.00 LL

Patrakattivilai0.10 LL

Pettaikulam0.10LL

Pettaikulam0.60LL

Rajivgandhinagar0.60LL

Manimutharkulam0.10LL

Desilting light or sandy soil or silt from infiltration wells below water level including the charges for special tools and plants and air compressor etc.complete and as directed by TWAD board officers

Formation of leading Channel Earth work deploying earth moving machineries for desliting channel and forming bund on either side and depositing the earth on banks including jungle clearance etc, complete. Having width up of 3m to 10m

TRANSFORMER REPAIR AND RECONDITIONING- 200KVA U1 & U2 Transformer - HW Pathamadai

Labour charges for dismantling of 200 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 200 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 rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 200 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 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 200 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 200 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 200 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 200 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 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 200 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

Hire charges for Mobile crane used for unloading of Transformer from Bed to loading into Vehicle for moving to Work Shop & After Repair work, Placing back in Transformer Bed

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

For the Year 2028-29 (From 01.04.2028- 31.03.2029)

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 10.62 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 3876.30 ML (10.62*365)

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 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 AC and PSC Collar leak rectification works for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. (AC and PSC pipe Collar Leak )

AC Pipe - 441.393 cum PSC Pipe - 1012.844 cum

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

AC pipe - 585 kg PSC pipe - 1000 kg

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

AC pipe -585.00 litre PSC pipe - 875.00 litre

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

AC pipe - 1105.00 Kg PSC pipe - 1290.00 kg

Dewatering using 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 the TWAD Board officers.- 5 HP

AC pipe - 845 hrs PSC pipe - 875.00 hrs

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

AC Pipe - 441.393 cum PSC Pipe - 1012.844 cum

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 pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. AC & PSC Leak rectification with MS clampset

AC pipe - 281.979 cum PSC pipe - 188.054 cum

Supply and delivery of Leak Arresting Flexible MS Clamps etc., complete and as directed by TWAD Board Officers

400 mm dia AC Class 15 Pipe

300 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

200 mm dia AC Class 15 Pipe

150 mm dia AC Class 15 Pipe

For 500 NB PSC of various classes Pipe

For 400 NB PSC of various classes Pipe

For 350 NB PSC of various classes Pipe

Dewatering using 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 the TWAD Board officers.- 5 HP

AC pipe - 617 hrs PSC pipe - 238 hrs

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

AC pipe -281.979 cum PSC Pipe - 188.054 cum

Attending Burst 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. -PVC, AC and PSC burst

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 for the following sizes of PVC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. PVC pipe - 1048.922 cum AC pipe - 238.923 cum PSC pipe - 745.079 cum

Removing the burst P.V.C/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

50 mm PVC 6 KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

200mm PVC 4 KSC

For 300 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

For 350 mm PSC Pipes of various classes

For 400 mm PSC Pipes of various classes

For 500 mm PSC Pipes of various classes

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

50 mm PVC6 KSC Pipe

63mm PVC 4KSC Pipe

75mm PVC 4KSC Pipe

90mm PVC 4 KSC Pipe

110mm PVC 4KSC Pipe

140mm PVC 4KSC Pipe

160 mm PVC 4KSC Pipe

200 mm PVC 4KSC Pipe

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

200 mm PVC Coupler Fabricated 4 KSC

Supply and delivery of the following sizes of DUCTILE IRON PIPES of CLASS K7 confirming to the IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

150 mm DI K7 Class

200 mm DI K7 Class

250mm DI K7 Class

300 mm DI K7 Class

400 mm DI K7 Class

Supply and Delivery of MJ Collars as directed by TWAD Board officers

Supply and Delivery of following MS pipes of as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2540 mm OD as per Table -8 of IS 3589:2001 2.Pipes shall be externally coated with plant applied CM 1:3, minimum 20mm thick including reinforcement as per clause A-9 of Annex-A of IS 3589:2001 inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by the TWAD Board officers.

355.6 mm x 5.6 mm thick MS PIPE

406.4 mm x 6.3 mm thick MS PIPE

508 mm x 6.3 mm thick PIPE

Supply and Delivery of MJ Collars as directed by TWAD Board officers

350 mm dia PSC Pipe Various Classes

400 mm dia PSC Pipe Various Classes

500 mm dia PSC Pipe Various Classes

Rewinding of Motors/ Coil in pumping stations iod in the Electrical, Mechanical and Elctro- mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6. of General conditions of Contract Part II. complete and as directed by the TWAD Board officers.

Rewinding of motor and reconditioning pump and repair works to Submersible /Monoblock Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Submersible Pump Set

Monoblock Pump

Rewinding of motor and and repair works to vertical turbine Motor including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Rewinding of motor and and repair works to HSC motor including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity Vertical turbine Pump set including cost of all material (excluding bronze impeller, SS shaft ,MS column pipe) conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity HSC Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Supply and delivery of 440V Electro magnetic Contactors Suitable for Starter in AC Three Phase rating Conforming to IS/IEC 60947-4-1 etc., complete and as directed by TWAD Board officers

Supply and delivery of Directly operated Bimetallic Thermal overload relay Upto which operates in case of overload and also in case of under voltage with manual and auto reset mode

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) nclusive of two level guard worth and auto start facility worth etc., complete and as directed by TWAD Board officers

5 HP Starter

3 HP Starter

2 HP Starter

7.5 HP Starter

12.5 HP Starter

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc. etc., complete and as directed by TWAD Board officers.

60 HP Starter

40 HP Starter

Attending cable fault by replacing the cable

Supply, delivery of 1.1 KV Grade 3 core 50 Sq. mm Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

Laying of following cable as per I.E. rules etc., complete and as directed by TWAD Board Officers -For laying below GL including earth work

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

Supply and delivery of following Range AMPS 4 Pole MCCB Switch ( Moulted case circuit breakers) to control EB supply from E.B Pole to Main Panel Board

400 Amps MCCB

250-320 Amps MCCB

100 Amps MCCB

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 officers

Carrying out the 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 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.B74 complete and as directed by the TWAD Board officers.

Attending repair ,rectification and reconditioning CI Sluice / CI NRV/ Double Air valve valve including cost of all material ,conveyance ,labour charges for removing and re-erection of valve etc., complete and as directed by TWAD Board officers

350 mm CI Sluice valve

350 mm CI NRV valve

150 mm CI Sluice valve

150 mm CI Scour valve

100 mm CI Sluice valve

100 mm CI NRV valve

250 mm CI Sluice valve

100mm Double air valve

80 mm Double air valve

50 mm Double air valve

40 mm Double air valve

Supply, delivery and fixing of G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

125 mm Gate valve

100 mm Gate valve

80 mm Gate valve

65 mm Gate valve

50 mm Gate valve

40 mm Gate valve

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the sidewall and bottom of sump using wirebrushes, brooms, collecting, lifting of the deposited silt particles outside the sump, washing side wall and floor slab using bleaching powdre etc complete and as directed by TWAD Board officers

Pathamadai (Headworks)2.50 LL

Pathamadai (Headworks)4.00 LL

Singikulam2.50 LL

Singikulam5.00 LL

SouthVijayanarayanam1.00 LL

SouthVijayanarayanam1.00 LL

Thisayanvilai0.50 LL

Thisayanvilai0.60LL

Marukalkurichi0.10LL

Nanguneri0.15LL

Nanguneri2.00 LL

PerumalNagar0.10 LL

PerumalNagar1.00 LL

Mavadi1.50 LL

Mavadi0.60LL

Radhapuram1.00 LL

Radhapuram4.00 LL

Vadakkankulam0.50LL

Vadakkankulam3.00LL

Samugarengapuram2.00LL

Samugarengapuram0.10LL

Shanmugapuram0.10LL

Alaganeri1.00 LL

Avaraikulam0.15LL

Avaraikulam0.60LL

Chidambarapuram0.60LL

Ittamohi0.10 LL

Ittamohi1.00 LL

Patrakattivilai0.10 LL

Pettaikulam0.10LL

Pettaikulam0.60LL

Rajivgandhinagar0.60LL

Manimutharkulam0.10LL

Desilting light or sandy soil or silt from infiltration wells below water level including the charges for special tools and plants and air compressor etc.complete and as directed by TWAD board officers

Formation of leading Channel Earth work deploying earth moving machineries for desliting channel and forming bund on either side and depositing the earth on banks including jungle clearance etc, complete. Having width up of 3m to 10m

TRANSFORMER REPAIR AND RECONDITIONING- 200KVA U1 & U2 Transformer - HW Pathamadai

Labour charges for dismantling of 200 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 200 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 rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 200 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 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 200 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 200 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 200 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 200 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 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 200 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

Hire charges for Mobile crane used for unloading of Transformer from Bed to loading into Vehicle for moving to Work Shop & After Repair work, Placing back in Transformer Bed

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

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- 31.03.2027)

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 3.02 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 1102.30 ML (3.02*365)

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 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 AC & PSC Collar leak rectification works for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

AC Pipe - 88.890 cum PSC pipe - 111.600 cum

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

AC pipe - 237.00 Kg PSC pipe - 80 Kg

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

AC pipe - 258 litres PSC pipe -60 litres

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

AC pipe -547.00 Kg PSC pipe - 140.00 Kg

Dewatering using 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 the TWAD Board officers.- 5 HP

AC pipe - 310.00 hrs PSC pipe - 20.00 hrs

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

AC Pipe - 88.890 cum PSC pipe - 111.600 cum

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 with MS Clampset for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. PSC Leak

PSC pipe

Supply and delivery of Leak Arresting Flexible MS Clamps etc., complete and as directed by TWAD Board Officers

350 mm PSC pipe

Dewatering using 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 the TWAD Board officers.- 5 HP

PSC pipe

Supply and Delivery of following MS pipes of as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2540 mm OD as per Table -8 of IS 3589:2001 2.Pipes shall be externally coated with plant applied CM 1:3, minimum 20mm thick including reinforcement as per clause A-9 of Annex-A of IS 3589:2001 inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by the TWAD Board officers. 355.6 X 5.6mm dia

Each - 3 metre i) Maruthampudur ii) Kandapatti iii) Ramnagar iv Uthumalai

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

PSC pipe

Attending Burst 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.- PVC and AC pipes

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 for the following sizes of PVC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. PVC pipes - 576.931 cum AC pipe - 160.874 cum

Removing the burst P.V.C/AC 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

50 mm PVC 6 KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

For 300 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

50 mm PVC6 KSC Pipe

63mm PVC 4KSC Pipe

75mm PVC 4KSC Pipe

90mm PVC 4 KSC Pipe

110mm PVC 4KSC Pipe

140mm PVC 4KSC Pipe

160 mm PVC 4KSC Pipe

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 A.C.Pressure Pipes inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

300 mm AC Class 15

250 mm AC Class 15

200 mm AC Class 15

Supply and delivery of CID joint inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

For 300 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

Rewinding of Motors in pumping stations iod in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all 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 the TWAD Board Officers

Rewinding of motor and reconditioning pump and repair works to Submersible / Monoblock Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Submersible Pump Set

Monoblock Pump set

Rewinding of motor and and repair works to HSC Motor including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity HSC Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc. etc., complete and 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)

CABLE FAULT

Supply, delivery of 1.1 KV Grade Armoured Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

3 core 35 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

Laying of 1.1 KV Grade PVC insulated steel Armoured aluminium cable as per I.E. rules For laying below GL including earth work

3 core 35 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

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

3 core 35 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

Supply and delivery of following Range AMPS 4 Pole & 3 Pole MCCB Switch (Moulted case circuit breakers) with thermo dynanmic relase inclusive of handling charges and F.O.R destination etc., complete and as directed by TWAD Board officers to control EB supply from E.B Pole to Main Panel Board

4 Pole MCCB

400 Amps MCCB

63 Amps MCCB

250 Amps MCCB

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 CI Sluice / CI NRV/ Double Air valve valve including cost of all material ,conveyance ,labour charges for removing and re-erection of valve etc., complete and as directed by TWAD Board officers

350 mm CI NRV valve

200 mm CI Sluice valve

200 mm CI NRV valve

150 mm CI Sluice valve

150 mm CI NRV valve

125 mm CI Sluice valve

125 mm CI NRV valve

100 mm CI Sluice valve

100 mm CI NRV valve

80mm CI Double air valve

50mm CI Double air valve

Supply, delivery and fixing of G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

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 officers

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the sidewall and bottom of sump using wirebrushes, brooms, collecting, lifting of the deposited silt particles outside the sump, washing side wall and floor slab using bleaching powdre etc complete and as directed by TWAD Board officers

0.60 LL Capacity of sump Nanthanthattai (Head works)

0.60 LL Capacity of sump Kandapatti

0.60 LL Capacity of sump Uthumalai

0.15 LL Capacity of sump Kalathimadam

0.10 LL Capacity of sump Karuvantha

0.30 LL Capacity of sump Soorangudi

0.05 LL Capacity of sump R.Navaneethakrishnapuram

0.15 LL Capacity of sump Veerasigamani

Desilting light or sandy soil or silt from infiltration wells below water level including the charges for special tools and plants and air compressor etc.complete and as directed by TWAD Board Officers

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

For the Year 2027-28 (From 01.04.2027- 31.03.2028)

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 3.02 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 1105.320 ML (3.02*366)

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 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 AC & PSC Collar leak rectification works for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

AC Pipe - 88.890 cum PSC pipe - 111.600 cum

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

AC pipe - 237.00 Kg PSC pipe - 80 Kg

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

AC pipe - 258 litres PSC pipe -60 litres

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

AC pipe -547.00 Kg PSC pipe - 140.00 Kg

Dewatering using 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 the TWAD Board officers.- 5 HP

AC pipe - 310.00 hrs PSC pipe - 20.00 hrs

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

AC Pipe - 88.890 cum PSC pipe - 111.600 cum

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 with MS Clampset for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. PSC Leak

PSC pipe

Supply and delivery of Leak Arresting Flexible MS Clamps etc., complete and as directed by TWAD Board Officers

350 mm PSC pipe

Dewatering using 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 the TWAD Board officers.- 5 HP

PSC pipe

Supply and Delivery of following MS pipes of as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2540 mm OD as per Table -8 of IS 3589:2001 2.Pipes shall be externally coated with plant applied CM 1:3, minimum 20mm thick including reinforcement as per clause A-9 of Annex-A of IS 3589:2001 inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by the TWAD Board officers. 355.6 X 5.6mm dia

Each - 3 metre i) Maruthampudur ii) Kandapatti iii) Ramnagar iv Uthumalai

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

PSC pipe

Attending Burst 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.- PVC and AC pipes

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 for the following sizes of PVC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. PVC pipes - 576.931 cum AC pipe - 160.874 cum

Removing the burst P.V.C/AC 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

50 mm PVC 6 KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

For 300 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

50 mm PVC6 KSC Pipe

63mm PVC 4KSC Pipe

75mm PVC 4KSC Pipe

90mm PVC 4 KSC Pipe

110mm PVC 4KSC Pipe

140mm PVC 4KSC Pipe

160 mm PVC 4KSC Pipe

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 A.C.Pressure Pipes inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

300 mm AC Class 15

250 mm AC Class 15

200 mm AC Class 15

Supply and delivery of CID joint inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

For 300 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

Rewinding of Motors in pumping stations iod in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all 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 the TWAD Board Officers

Rewinding of motor and reconditioning pump and repair works to Submersible / Monoblock Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Submersible Pump Set

Monoblock Pump set

Rewinding of motor and and repair works to HSC Motor including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity HSC Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc. etc., complete and 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)

CABLE FAULT

Supply, delivery of 1.1 KV Grade Armoured Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

3 core 35 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

Laying of 1.1 KV Grade PVC insulated steel Armoured aluminium cable as per I.E. rules For laying below GL including earth work

3 core 35 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

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

3 core 35 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

Supply and delivery of following Range AMPS 4 Pole & 3 Pole MCCB Switch (Moulted case circuit breakers) with thermo dynanmic relase inclusive of handling charges and F.O.R destination etc., complete and as directed by TWAD Board officers to control EB supply from E.B Pole to Main Panel Board

4 Pole MCCB

400 Amps MCCB

63 Amps MCCB

250 Amps MCCB

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 CI Sluice / CI NRV/ Double Air valve valve including cost of all material ,conveyance ,labour charges for removing and re-erection of valve etc., complete and as directed by TWAD Board officers

350 mm CI NRV valve

200 mm CI Sluice valve

200 mm CI NRV valve

150 mm CI Sluice valve

150 mm CI NRV valve

125 mm CI Sluice valve

125 mm CI NRV valve

100 mm CI Sluice valve

100 mm CI NRV valve

80mm CI Double air valve

50mm CI Double air valve

Supply, delivery and fixing of G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

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 officers

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the sidewall and bottom of sump using wirebrushes, brooms, collecting, lifting of the deposited silt particles outside the sump, washing side wall and floor slab using bleaching powdre etc complete and as directed by TWAD Board officers

0.60 LL Capacity of sump Nanthanthattai (Head works)

0.60 LL Capacity of sump Kandapatti

0.60 LL Capacity of sump Uthumalai

0.15 LL Capacity of sump Kalathimadam

0.10 LL Capacity of sump Karuvantha

0.30 LL Capacity of sump Soorangudi

0.05 LL Capacity of sump R.Navaneethakrishnapuram

0.15 LL Capacity of sump Veerasigamani

Desilting light or sandy soil or silt from infiltration wells below water level including the charges for special tools and plants and air compressor etc.complete and as directed by TWAD Board Officers

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

For the Year 2028-29 (From 01.04.2028- 31.03.2029)

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 3.02 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 1102.30 ML (3.02*365)

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 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 AC & PSC Collar leak rectification works for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

AC Pipe - 88.890 cum PSC pipe - 111.600 cum

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

AC pipe - 237.00 Kg PSC pipe - 80 Kg

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

AC pipe - 258 litres PSC pipe -60 litres

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

AC pipe -547.00 Kg PSC pipe - 140.00 Kg

Dewatering using 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 the TWAD Board officers.- 5 HP

AC pipe - 310.00 hrs PSC pipe - 20.00 hrs

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

AC Pipe - 88.890 cum PSC pipe - 111.600 cum

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 with MS Clampset for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. PSC Leak

PSC pipe

Supply and delivery of Leak Arresting Flexible MS Clamps etc., complete and as directed by TWAD Board Officers

350 mm PSC pipe

Dewatering using 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 the TWAD Board officers.- 5 HP

PSC pipe

Supply and Delivery of following MS pipes of as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2540 mm OD as per Table -8 of IS 3589:2001 2.Pipes shall be externally coated with plant applied CM 1:3, minimum 20mm thick including reinforcement as per clause A-9 of Annex-A of IS 3589:2001 inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by the TWAD Board officers. 355.6 X 5.6mm dia

Each - 3 metre i) Maruthampudur ii) Kandapatti iii) Ramnagar iv Uthumalai

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

PSC pipe

Attending Burst 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.- PVC and AC pipes

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 for the following sizes of PVC pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. PVC pipes - 576.931 cum AC pipe - 160.874 cum

Removing the burst P.V.C/AC 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

50 mm PVC 6 KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

For 300 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

50 mm PVC6 KSC Pipe

63mm PVC 4KSC Pipe

75mm PVC 4KSC Pipe

90mm PVC 4 KSC Pipe

110mm PVC 4KSC Pipe

140mm PVC 4KSC Pipe

160 mm PVC 4KSC Pipe

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 A.C.Pressure Pipes inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

300 mm AC Class 15

250 mm AC Class 15

200 mm AC Class 15

Supply and delivery of CID joint inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

For 300 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

Rewinding of Motors in pumping stations iod in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all 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 the TWAD Board Officers

Rewinding of motor and reconditioning pump and repair works to Submersible / Monoblock Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Submersible Pump Set

Monoblock Pump set

Rewinding of motor and and repair works to HSC Motor including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity HSC Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc. etc., complete and 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)

CABLE FAULT

Supply, delivery of 1.1 KV Grade Armoured Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

3 core 35 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

Laying of 1.1 KV Grade PVC insulated steel Armoured aluminium cable as per I.E. rules For laying below GL including earth work

3 core 35 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

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

3 core 35 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

Supply and delivery of following Range AMPS 4 Pole & 3 Pole MCCB Switch (Moulted case circuit breakers) with thermo dynanmic relase inclusive of handling charges and F.O.R destination etc., complete and as directed by TWAD Board officers to control EB supply from E.B Pole to Main Panel Board

4 Pole MCCB

400 Amps MCCB

63 Amps MCCB

250 Amps MCCB

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 CI Sluice / CI NRV/ Double Air valve valve including cost of all material ,conveyance ,labour charges for removing and re-erection of valve etc., complete and as directed by TWAD Board officers

350 mm CI NRV valve

200 mm CI Sluice valve

200 mm CI NRV valve

150 mm CI Sluice valve

150 mm CI NRV valve

125 mm CI Sluice valve

125 mm CI NRV valve

100 mm CI Sluice valve

100 mm CI NRV valve

80mm CI Double air valve

50mm CI Double air valve

Supply, delivery and fixing of G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

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 officers

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the sidewall and bottom of sump using wirebrushes, brooms, collecting, lifting of the deposited silt particles outside the sump, washing side wall and floor slab using bleaching powdre etc complete and as directed by TWAD Board officers

0.60 LL Capacity of sump Nanthanthattai (Head works)

0.60 LL Capacity of sump Kandapatti

0.60 LL Capacity of sump Uthumalai

0.15 LL Capacity of sump Kalathimadam

0.10 LL Capacity of sump Karuvantha

0.30 LL Capacity of sump Soorangudi

0.05 LL Capacity of sump R.Navaneethakrishnapuram

0.15 LL Capacity of sump Veerasigamani

Desilting light or sandy soil or silt from infiltration wells below water level including the charges for special tools and plants and air compressor etc.complete and as directed by TWAD Board Officers

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

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- 31.03.2027)

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 0.32 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 116.80 ML (0.32*365)

Attending Burst 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 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. PVC Pipes - 119.837 cum GI pipe - 89.809 cum

Removing the burst P.V.C/GI 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

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

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.

50mm GI (Medium)

80mm GI (Medium)

100mm GI (Medium)

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

50mm GI (Medium)

80mm GI (Medium)

100mm GI (Medium)

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges to stock yard any where in Tamilnadu etc., complete and as directed by TWAD Board officers

50mm GI (Medium)

80mm GI (Medium)

100mm GI (Medium)

Rewinding of Motors/ Coil in pumping stations iod in the Electrical, Mechanical and Elctro- mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6. of General conditions of Contract Part II. complete and as directed by the TWAD Board officers.

Repair and Reconditonig works in various capacity 7.5 HP Openwell Submersible Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity 3 HP Centrifugal monobloc Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Supply and delivery of 25 Amps 440V Electro magnetic Contactors Suitable for Starter in AC Three Phase rating Conforming to IS/IEC 60947-4-1 etc., complete and as directed by TWAD Board officers

12 Amps 440V

25 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 5 A to 10 A

Upto 10 A to 20 A

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil inclusive of handling charges etc., complete and as directed by TWAD Board officers -7.5 HP

Attending cable fault by replacing the cable

Supply and delivery of PVC Insulated and sheathed 3 Core Flat Type Copper cable conforming to IS 694/1990 and as amended thereafter etc complete and as directed by TWAD board officers

3 core 10 Sq. mm copper cable

Laying of 1.1 KV Grade PVC insulated steel Armoured aluminium cable For laying below GL including earth work

3 core 10 Sq. mm copper cable

Jonting the 1.1KV grade PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials, Labour etc complete directed by the TWAD Board officers

3 core 10 Sq. mm copper cable

Supply and delivery of following Range AMPS 100 Amps 3 Pole MCCB Switch (Moulted case circuit breakers) with thermo dynanmic relase inclusive of handling charges and F.O.R destination etc., complete and as directed by TWAD Board officers to control EB supply from E.B Pole to Main Panel Board

Supply and delivery of following Range of 3 Pole MCB Switch (Miniature circuit breaker ) to control EB supply from E.B Pole to Main Panel Board at higher end

Supply and delivery of following Range of HRC -Fuses at higher end

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 officers

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 CI NRV valve including cost of all material ,conveyance ,labour charges for removing and re-erection of valve etc., complete and as directed by TWAD Board officers

65 mm CI NRV valve

80 mm CI NRV valve

Supply, delivery and fixing of G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

50 mm Gate valve

65 mm Gate valve

80 mm Gate valve

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

0.10 LL capacity of sump @ Gnanamalkattalai

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.

Formation of leading Channel Earth work deploying earth moving machineries for desliting channel and forming bund on either side and depositing the earth on banks including jungle clearance etc, complete. Having width up of 3m to 10m

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

For the Year 2027-28 (From 01.04.2027- 31.03.2028)

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 0.32 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 117.12 ML (0.32*366)

Attending Burst 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 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. PVC Pipes - 119.837 cum GI pipe - 89.809 cum

Removing the burst P.V.C/GI 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

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

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.

50mm GI (Medium)

80mm GI (Medium)

100mm GI (Medium)

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

50mm GI (Medium)

80mm GI (Medium)

100mm GI (Medium)

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges to stock yard any where in Tamilnadu etc., complete and as directed by TWAD Board officers

50mm GI (Medium)

80mm GI (Medium)

100mm GI (Medium)

Rewinding of Motors/ Coil in pumping stations iod in the Electrical, Mechanical and Elctro- mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6. of General conditions of Contract Part II. complete and as directed by the TWAD Board officers.

Repair and Reconditonig works in various capacity 7.5 HP Openwell Submersible Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity 3 HP Centrifugal monobloc Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Supply and delivery of 25 Amps 440V Electro magnetic Contactors Suitable for Starter in AC Three Phase rating Conforming to IS/IEC 60947-4-1 etc., complete and as directed by TWAD Board officers

12 Amps 440V

25 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 5 A to 10 A

Upto 10 A to 20 A

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil inclusive of handling charges etc., complete and as directed by TWAD Board officers -7.5 HP

Attending cable fault by replacing the cable

Supply and delivery of PVC Insulated and sheathed 3 Core Flat Type Copper cable conforming to IS 694/1990 and as amended thereafter etc complete and as directed by TWAD board officers

3 core 10 Sq. mm copper cable

Laying of 1.1 KV Grade PVC insulated steel Armoured aluminium cable For laying below GL including earth work

3 core 10 Sq. mm copper cable

Jonting the 1.1KV grade PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials, Labour etc complete directed by the TWAD Board officers

3 core 10 Sq. mm copper cable

Supply and delivery of following Range AMPS 100 Amps 3 Pole MCCB Switch (Moulted case circuit breakers) with thermo dynanmic relase inclusive of handling charges and F.O.R destination etc., complete and as directed by TWAD Board officers to control EB supply from E.B Pole to Main Panel Board

Supply and delivery of following Range of 3 Pole MCB Switch (Miniature circuit breaker ) to control EB supply from E.B Pole to Main Panel Board at higher end

Supply and delivery of following Range of HRC -Fuses at higher end

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 officers

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 CI NRV valve including cost of all material ,conveyance ,labour charges for removing and re-erection of valve etc., complete and as directed by TWAD Board officers

65 mm CI NRV valve

80 mm CI NRV valve

Supply, delivery and fixing of G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

50 mm Gate valve

65 mm Gate valve

80 mm Gate valve

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

0.10 LL capacity of sump @ Gnanamalkattalai

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.

Formation of leading Channel Earth work deploying earth moving machineries for desliting channel and forming bund on either side and depositing the earth on banks including jungle clearance etc, complete. Having width up of 3m to 10m

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

For the Year 2028-29 (From 01.04.2027- 31.03.2028)

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 0.32 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 116.80 ML (0.32*365)

Attending Burst 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 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. PVC Pipes - 119.837 cum GI pipe - 89.809 cum

Removing the burst P.V.C/GI 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

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

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.

50mm GI (Medium)

80mm GI (Medium)

100mm GI (Medium)

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

50mm GI (Medium)

80mm GI (Medium)

100mm GI (Medium)

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges to stock yard any where in Tamilnadu etc., complete and as directed by TWAD Board officers

50mm GI (Medium)

80mm GI (Medium)

100mm GI (Medium)

Rewinding of Motors/ Coil in pumping stations iod in the Electrical, Mechanical and Elctro- mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6. of General conditions of Contract Part II. complete and as directed by the TWAD Board officers.

Repair and Reconditonig works in various capacity 7.5 HP Openwell Submersible Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity 3 HP Centrifugal monobloc Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Supply and delivery of 25 Amps 440V Electro magnetic Contactors Suitable for Starter in AC Three Phase rating Conforming to IS/IEC 60947-4-1 etc., complete and as directed by TWAD Board officers

12 Amps 440V

25 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 5 A to 10 A

Upto 10 A to 20 A

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil inclusive of handling charges etc., complete and as directed by TWAD Board officers -7.5 HP

Attending cable fault by replacing the cable

Supply and delivery of PVC Insulated and sheathed 3 Core Flat Type Copper cable conforming to IS 694/1990 and as amended thereafter etc complete and as directed by TWAD board officers

3 core 10 Sq. mm copper cable

Laying of 1.1 KV Grade PVC insulated steel Armoured aluminium cable For laying below GL including earth work

3 core 10 Sq. mm copper cable

Jonting the 1.1KV grade PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials, Labour etc complete directed by the TWAD Board officers

3 core 10 Sq. mm copper cable

Supply and delivery of following Range AMPS 100 Amps 3 Pole MCCB Switch (Moulted case circuit breakers) with thermo dynanmic relase inclusive of handling charges and F.O.R destination etc., complete and as directed by TWAD Board officers to control EB supply from E.B Pole to Main Panel Board

Supply and delivery of following Range of 3 Pole MCB Switch (Miniature circuit breaker ) to control EB supply from E.B Pole to Main Panel Board at higher end

Supply and delivery of following Range of HRC -Fuses at higher end

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 officers

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 CI NRV valve including cost of all material ,conveyance ,labour charges for removing and re-erection of valve etc., complete and as directed by TWAD Board officers

65 mm CI NRV valve

80 mm CI NRV valve

Supply, delivery and fixing of G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

50 mm Gate valve

65 mm Gate valve

80 mm Gate valve

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

0.10 LL capacity of sump @ Gnanamalkattalai

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.

Formation of leading Channel Earth work deploying earth moving machineries for desliting channel and forming bund on either side and depositing the earth on banks including jungle clearance etc, complete. Having width up of 3m to 10m

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

Item Rate BoQ

BoQ_Ver4.0

Name of the Bidder/ Bidding Firm / Company :

PRICE SCHEDULE- A5 (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- 31.03.2027)

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 27.82MLD, 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 10154.30 ML (27.82*365 )

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 for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. PVC Pipes -4272.549 cum AC Pipes - 495.249 cum

Removing the burst P.V.C./A.C. 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

50 mm PVC 6 KSC

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

300 mm dia A.C. Pipes

250 mm dia A.C. Pipes

200 mm dia A.C. Pipes

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, inclusive of transportation charges to anywhere in Tamilnadu., 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 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

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 the following sizes of AC pipes of 5 m length and specials confirming to IS other specifications amended from time to time 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.

300 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

200 mm dia AC Class 15 Pipe

Supply and delivery of CID joint inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

For 300 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

Attending Collar 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 etc., complete 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 pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

AC Collar leak - 909.761 cum PSC Collar Leak - 2905.247 cum

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

AC pipe - 714.00 Kg PSC Pipe -2425.00 Kg

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

AC pipe -952.00 litre PSC Pipe -2495.00 litre

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

AC pipe -714.00 Kg PSC Pipe - 3715 kg

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

AC pipe -952.00 hrs PSC Pipe -3013.00 hrs

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

AC pipe - 909.761 cum PSC Pipe - 2905.247 cum

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 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 leak rectification works for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

1) GI pipe - 86.63 Cum 2) OPVC and DI pipe -46.268 cum 3) PSC and AC pipe - 679.704 cum 4) MS pipes loacted PSC pipe line - 409.551 cum

Supply and delivery of the following sizes of GI medium 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 transit, insurance charges, etc., complete and as directed by TWAD Board officers.

25 mm GI Pipe

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

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

25 mm Coupling

40 mm Coupling

50 mm Coupling

65 mm Coupling

80 mm Coupling

100mm Coupling

50 mm Flange set

65 mm Flange set

80 mm Flange set

100mm Flange set

50 mm Rubber sheet for Flange set

65 mm Rubber sheet for Flange set

80 mm Rubber sheet for Flange set

100mm Rubber sheet for Flange set

40 mm Hex nipple

50 mm Hex nipple

65 mm Hex nipple

80 mm Hex nipple

100mm Hex nipple

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.

25 mm GI Pipe

40 mm GI Pipe

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.

25 mm GI Pipe

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

63 mm x 20 mm

75 mm x 20 mm

90 mm x 20 mm

Supply, Delivery and fixing of CI SINGLE AIR VALVE AS PER ISI 14845/2000 AND WITH 5 YEARS WARRANT inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of DUCTILE IRON SOCKET/SPIGOT PIPES FOR CLASS K7 AS PER IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

200 mm dia DI K7

350 mm dia DI K7

Supply and delivery of the following sizes of UN PLASTICIZED O-PVC PIPES FOR POTABLE WATER SUPPLY AS PER IS 16647 / 2017 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

250 mm dia OPVC PN 12.5 Class 500

Supply and delivery of the following sizes of MOULDED (OR) FABRICATED O-PVC FITTINGS COMPATIBLE WITH O-PVC PIPES

SLIDING COUPLER DN 250mm

Supply and Delivery of MJ Collars as directed by TWAD Board officers IS 8794/1988 etc., complete and as directed by TWAD Board officers

200 mm dia DI K7

350 mm dia DI K7

Supply and delivery of Leak Arresting Flexible MS Clamps etc., complete and as directed by TWAD Board officers

For 800mm PSC of various classes Pipe

For 500 NB PSC of various classes Pipe

For 450 NB PSC of various classes Pipe

For 350 NB PSC of various classes Pipe

For 300 NB AC of various classes Pipe

For 250 NB AC of various classes Pipe

For 200 NB AC of various classes 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

PSC and AC pipes - 628 hrs MS pipes located PSc pipelines - 407 hrs

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

PSC and AC pipe

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

PSC and AC 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.

MS pipes located PSc pipelines

Hire charges for Generator for electric current for attending leaks by fabrication of MS pipes and specials including fuel, Transportation etc., Complete as directed by TWAD Officials

MS pipes located PSc pipelines

Supply and Delivery of following MS pipes of as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2540 mm OD as per Table -8 of IS 3589:2001 2.Pipes shall be externally coated with plant applied CM 1:3, minimum 20mm thick including reinforcement as per clause A-9 of Annex-A of IS 3589:2001 inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by the TWAD Board officers.

813 mm x 7.1 mm thick MS PIPE

355.6 mm x 5 mm thick MS PIPE

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

1) GI pipe - 86.63 Cum 2) OPVC and DI pipe -46.268 cum 3) PSC and AC pipe - 679.704 cum 4) MS pipes loacted PSC pipe line - 409.551 cum

Rewinding of Motors/ Coil in pumping stations iod in the Electrical, Mechanical and Elctro- mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6. of General conditions of Contract Part II. complete and as directed by the TWAD Board officers.

Rewinding of motor and reconditioning pump and repair works to Submersible /Monoblock Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Submersible Pump Set

Monoblock Pump set

Rewinding of motor and and repair works to vertical turbine / HSC motor including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Vertical turbine motor

HSC motor

Repair and Reconditonig works in various capacity HSC Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity Vertical turbine Pump set including cost of all material (excluding bronze impeller, SS shaft ,MS column pipe) conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Attending Major Fault in Transformer

Labour Charges for dismantling of Transformer upto 500 KVA at Booster Stations with all accessories by using crane etc.complete as directed by TWAD Board officers

500 KVA TRANSFORMER LOCATED IN PAZHAVOOR HEADWORKS - 2 NOS (1 STANDBYE) & AZHAGIYAPANDIPURAM BOOSTER - 2 NOS (1 STANDBYE)

400KVA TRANSFORMER LOCATED IN SIRUKANKURICHI BOOSTER STATION - 2 NOS (1 STANDBYE)

250 KVA TRANSFORMER LOCATED IN NALUVASANKOTTAI BOOSTER STATION - 2 NOS (1 STANDBYE)

200 KVA TRANSFORMER LOCATED IN VADAKUACHAMPATTI BOOSTER STATION - 2 NOS (1 STANDBYE)

Supply and delievery of HV 11KV Copper Dual Coat Super enameled Winding Coils for 3 phase Transformer upto 500KVA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of HV 433KV Copper Winding for 3 phase insulation to Transformer upto 500KVA Transformer as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of 3 phase insulation material for Transformer upto 500 KvA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of new transformer oil suitable for Transformers upto 500KVA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of 11KV HV bushing with Metal parts for Transformer upto 500 KVA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of 433V LV bushing copper rod to upto 500 KVA Transformer as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of silica gel breather suitable for Transformer upto 500 KVA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of capillary type thermometer including accessories suitable for Transformer upto 500 KVA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delivery of Gasket & Oil Seals suitable for 500KvA & 400KvA as directed by TWAD Board Officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

Supply and delivery of Gasket & Oil Seals suitable for 250KvA & 200KvA as directed by TWAD Board Officers.

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of paint for Transformer upto 500 KVA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Charges for hot air chamber treatment for IR value improvement Work 900c for 2 days for Transformer upto 500 KVA etc.,complete as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Charges for Transformer tank cleaning and painting work for Transformer upto 500 KVA as per IS Specification as directed by TWAD Board Officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Labour charges for new windings reassembling with new insulation off load tape switch connection loads with delta star connection by copper bracing work two coatings varnish apply work to 200 & 250 KVA Transformer as per IS specifications as directed by TWAD board officers..

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Labour charges for new windings reassembling with new insulation off load tape switch connection loads with delta star connection by copper bracing work two coatings varnish apply work to 400 KVa & 500 KVA Transformer as per IS specifications as directed by TWAD board officers..

500 KVA TRANSFORMER

400KVA TRANSFORMER

Charges for attending Core winding job to tank accessories fixing as per IS specification including testing work with loading to 200 KvA & 250 KVA Transformer as per IS specifications as directed by TWAD board officers.

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Charges for attending Core winding job to tank accessories fixing as per IS specification including testing work with loading to 400 Kva & 500 KVA Transformer as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

Labour Charges for Re erection of Tranformers upto 500 KVA and all accessories at Booster Station by using crane and fixing etc complete as directed by Twad Board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Hiring Charges for Crane for Positioning of Transformer in Bed for fixing etc., Complete as directed by TWAD Board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Conveyance charges for transformers unit from Booster Station to work shop site and for rectification works from work shop site to Booster Station after completion of rectification works etc complete as directed by Twad Board officers

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delivery of Electro magnetic contactors of suitable for starter 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

95 Amps\440V

185 Amps\440V

300 Amps\440V

400 Amps\440V

Supply and delivery of following Electromechanical item as directed by TWAD Board Officials

Digital Ammeter 3 phase

Digital Voltmeter 3 phase

SUPPLY AND DELIVERY OF PVC INSULATED SINGLE CORE MULTI STRAND FIRE RETARDANT LOW SMOKE (FRLS) FLEXIBLE COPPER CABLEWITH ISI MARK CONFORMING TO IS

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

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) inclusive of two level guard worth and auto start facility worth etc., complete and as directed by TWAD Board Officers.

5 HP Starter

3 HP Starter

2 HP Starter

1.5 HP Starter

1.0 HP Starter

25 HP Starter

22.5 HP Starter

22 HP Starter

20 HP Starter

17.5 HP Starter

10 HP Starter

7.5 HP Starter

Supply and delivery of floor mounted type FCMA Air/ Oil Cooled soft starter suitable for the LT motor offered for operation in AC three Phase 50Hz (+/- 5%), 415V (+/-10%) including line contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6Nos, LED ON/OFF type and Start /Stop push button

Attending Cable fault

Supply, delivery of 1.1 KV Grade Armoured Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

3 core 70 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

Laying of 1.1 KV Grade PVC insulated steel Armoured aluminium cable as per I.E. rules For laying below GL including earth work

3 core 70 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

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

3 core 70 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

Supply and delivery of following Range AMPS 4 Pole & 3 Pole MCCB Switch (Moulted case circuit breakers) with thermo dynanmic relase inclusive of handling charges and F.O.R destination etc., complete and as directed by TWAD Board officers to control EB supply from E.B Pole to Main Panel Board

400 Amps MCCB

400 Amps Spreader Terminal

250 Amps MCCB

250 Amps Spreader Terminal

125 Amps MCCB

125 Amps Spreader Terminal

63 Amps MCCB

63 Amps Spreader Terminal

400 Amps MCCB

400 Amps Spreader Terminal

250 Amps MCCB

250 Amps Spreader Terminal

160 Amps MCCB

160 Amps Spreader Terminal

100 Amps MCCB

100 Amps Spreader Terminal

Supply and delivery of following Fuse unit etc., complete and as directed by TWAD Board officers

200 AMPS Porcelain Fuse unit

100 AMPS Porcelain Fuse unit

63 AMPS Porcelain Fuse unit

32 AMPS Porcelain Fuse unit

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 officers

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 CI scour /CI Sluice / CI NRV/ Double Air valve valve including cost of all material ,conveyance ,labour charges for removing and re-erection of valve etc., complete and as directed by TWAD Board officers

350 mm CI Sluice valve

350 mm CI NRV valve

300 mm CI Sluice valve

300 mm CI NRV valve

150 mm CI Sluice valve

150 mm CI Scour valve

100 mm CI Sluice valve

100 mm CI NRV valve

800 mm CI Sluice valve

700 mm CI Sluice valve

500 mm CI Sluice valve

450 mm CI Sluice valve

250 mm CI Sluice valve

150mm Double air valve

100mm Double air valve

80 mm Double air valve

50 mm Double air valve

40 mm Double air valve

Supply, delivery and fixing of G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

125 mm Gate valve

100 mm Gate valve

80 mm Gate valve

65 mm Gate valve

50 mm Gate valve

40 mm Gate valve

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

15.00 LL 1) Pazhavoor(Headworks) 2) Sirukankuruchi 3) Madhavakuruchi 4) Alagiyapandiyapuram 5) Vadakku Achampatti 6) Naluvasankottai 7) Madhavakuruchi

1.50 LL Pazhavoor(Headworks) (Sump cum pumphouse)

0.10 LL 1) Vettuvankulam 2) Seethaparpanallur 3) Ayubhkanpuram 4) Vadakku Cheliyanallur 5) Therkku Achampatti 6) Devarkulam(Chettikuruchi) 7) Karisalkulam 8) Muthukrishnapuram

0.30 LL 1) Kankeyankulam 2) Rastha 3) Ettankulam 4) Melapilayarkulam 5) Therkku Puliyampatti 6) Vadanathampatti 7) Madathupatti 8) Panaiyur 9) Sump at Kunndampatti 10) Sump at Sarathanagar

0.60 LL 1) Manur 2) Chettikulam 3) Nakkalamuthampatti

1.00 LL Thalavaipuram

2.00 LL Thiruvengadam

3.00 LL Sankarankovil

5.00 LL 1) Booster at Thiruvenkatam 2) Booster at Seval patti 3) Booster at Keelanmarainadu 4) Booster at Sithurajapuram

1.00 LL MSR AT SAMABAKULAM

2.00 LL MSR Vadakku KuruviKulam

1.00 LL MSR @KalliKulam

4.00 LL MSR @ANAIYUR

2.00 LL MSR @Sankarankoil

2.00 LL MSR @Ettiseri

1.00 LL MSR @Vadakku-malaiyadipatti

0.60 LL MSR @ Kalingapatti

2.00 LL MSR @ Nakkalamuthanpatti

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.

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

For the Year 2027-28 (From 01.04.2027- 31.03.2028)

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 27.82MLD, 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 10182.12 ML (27.82*366 )

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 for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. PVC Pipes -4272.549 cum AC Pipes - 495.249 cum

Removing the burst P.V.C./A.C. 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

50 mm PVC 6 KSC

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

300 mm dia A.C. Pipes

250 mm dia A.C. Pipes

200 mm dia A.C. Pipes

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, inclusive of transportation charges to anywhere in Tamilnadu., 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 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

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 the following sizes of AC pipes of 5 m length and specials confirming to IS other specifications amended from time to time 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.

300 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

200 mm dia AC Class 15 Pipe

Supply and delivery of CID joint inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

For 300 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

Attending Collar 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 etc., complete 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 pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

AC Collar leak - 909.761 cum PSC Collar Leak - 2905.247 cum

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

AC pipe - 714.00 Kg PSC Pipe -2425.00 Kg

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

AC pipe -952.00 litre PSC Pipe -2495.00 litre

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

AC pipe -714.00 Kg PSC Pipe - 3715 kg

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

AC pipe -952.00 hrs PSC Pipe -3013.00 hrs

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

AC pipe - 909.761 cum PSC Pipe - 2905.247 cum

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 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 leak rectification works for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

1) GI pipe - 86.63 Cum 2) OPVC and DI pipe -46.268 cum 3) PSC and AC pipe - 679.704 cum 4) MS pipes loacted PSC pipe line - 409.551 cum

Supply and delivery of the following sizes of GI medium 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 transit, insurance charges, etc., complete and as directed by TWAD Board officers.

25 mm GI Pipe

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

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

25 mm Coupling

40 mm Coupling

50 mm Coupling

65 mm Coupling

80 mm Coupling

100mm Coupling

50 mm Flange set

65 mm Flange set

80 mm Flange set

100mm Flange set

50 mm Rubber sheet for Flange set

65 mm Rubber sheet for Flange set

80 mm Rubber sheet for Flange set

100mm Rubber sheet for Flange set

40 mm Hex nipple

50 mm Hex nipple

65 mm Hex nipple

80 mm Hex nipple

100mm Hex nipple

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.

25 mm GI Pipe

40 mm GI Pipe

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.

25 mm GI Pipe

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

63 mm x 20 mm

75 mm x 20 mm

90 mm x 20 mm

Supply, Delivery and fixing of CI SINGLE AIR VALVE AS PER ISI 14845/2000 AND WITH 5 YEARS WARRANT inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of DUCTILE IRON SOCKET/SPIGOT PIPES FOR CLASS K7 AS PER IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

200 mm dia DI K7

350 mm dia DI K7

Supply and delivery of the following sizes of UN PLASTICIZED O-PVC PIPES FOR POTABLE WATER SUPPLY AS PER IS 16647 / 2017 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

250 mm dia OPVC PN 12.5 Class 500

Supply and delivery of the following sizes of MOULDED (OR) FABRICATED O-PVC FITTINGS COMPATIBLE WITH O-PVC PIPES

SLIDING COUPLER DN 250mm

Supply and Delivery of MJ Collars as directed by TWAD Board officers IS 8794/1988 etc., complete and as directed by TWAD Board officers

200 mm dia DI K7

350 mm dia DI K7

Supply and delivery of Leak Arresting Flexible MS Clamps etc., complete and as directed by TWAD Board officers

For 800mm PSC of various classes Pipe

For 500 NB PSC of various classes Pipe

For 450 NB PSC of various classes Pipe

For 350 NB PSC of various classes Pipe

For 300 NB AC of various classes Pipe

For 250 NB AC of various classes Pipe

For 200 NB AC of various classes 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

PSC and AC pipes - 628 hrs MS pipes located PSc pipelines - 407 hrs

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

PSC and AC pipe

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

PSC and AC 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.

MS pipes located PSc pipelines

Hire charges for Generator for electric current for attending leaks by fabrication of MS pipes and specials including fuel, Transportation etc., Complete as directed by TWAD Officials

MS pipes located PSc pipelines

Supply and Delivery of following MS pipes of as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2540 mm OD as per Table -8 of IS 3589:2001 2.Pipes shall be externally coated with plant applied CM 1:3, minimum 20mm thick including reinforcement as per clause A-9 of Annex-A of IS 3589:2001 inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by the TWAD Board officers.

813 mm x 7.1 mm thick MS PIPE

355.6 mm x 5 mm thick MS PIPE

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

1) GI pipe - 86.63 Cum 2) OPVC and DI pipe -46.268 cum 3) PSC and AC pipe - 679.704 cum 4) MS pipes loacted PSC pipe line - 409.551 cum

Rewinding of Motors/ Coil in pumping stations iod in the Electrical, Mechanical and Elctro- mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6. of General conditions of Contract Part II. complete and as directed by the TWAD Board officers.

Rewinding of motor and reconditioning pump and repair works to Submersible /Monoblock Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Submersible Pump Set

Monoblock Pump set

Rewinding of motor and and repair works to vertical turbine / HSC motor including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Vertical turbine motor

HSC motor

Repair and Reconditonig works in various capacity HSC Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity Vertical turbine Pump set including cost of all material (excluding bronze impeller, SS shaft ,MS column pipe) conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Attending Major Fault in Transformer

Labour Charges for dismantling of Transformer upto 500 KVA at Booster Stations with all accessories by using crane etc.complete as directed by TWAD Board officers

500 KVA TRANSFORMER LOCATED IN PAZHAVOOR HEADWORKS - 2 NOS (1 STANDBYE) & AZHAGIYAPANDIPURAM BOOSTER - 2 NOS (1 STANDBYE)

400KVA TRANSFORMER LOCATED IN SIRUKANKURICHI BOOSTER STATION - 2 NOS (1 STANDBYE)

250 KVA TRANSFORMER LOCATED IN NALUVASANKOTTAI BOOSTER STATION - 2 NOS (1 STANDBYE)

200 KVA TRANSFORMER LOCATED IN VADAKUACHAMPATTI BOOSTER STATION - 2 NOS (1 STANDBYE)

Supply and delievery of HV 11KV Copper Dual Coat Super enameled Winding Coils for 3 phase Transformer upto 500KVA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of HV 433KV Copper Winding for 3 phase insulation to Transformer upto 500KVA Transformer as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of 3 phase insulation material for Transformer upto 500 KvA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of new transformer oil suitable for Transformers upto 500KVA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of 11KV HV bushing with Metal parts for Transformer upto 500 KVA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of 433V LV bushing copper rod to upto 500 KVA Transformer as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of silica gel breather suitable for Transformer upto 500 KVA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of capillary type thermometer including accessories suitable for Transformer upto 500 KVA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delivery of Gasket & Oil Seals suitable for 500KvA & 400KvA as directed by TWAD Board Officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

Supply and delivery of Gasket & Oil Seals suitable for 250KvA & 200KvA as directed by TWAD Board Officers.

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delievery of paint for Transformer upto 500 KVA as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Charges for hot air chamber treatment for IR value improvement Work 900c for 2 days for Transformer upto 500 KVA etc.,complete as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Charges for Transformer tank cleaning and painting work for Transformer upto 500 KVA as per IS Specification as directed by TWAD Board Officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Labour charges for new windings reassembling with new insulation off load tape switch connection loads with delta star connection by copper bracing work two coatings varnish apply work to 200 & 250 KVA Transformer as per IS specifications as directed by TWAD board officers..

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Labour charges for new windings reassembling with new insulation off load tape switch connection loads with delta star connection by copper bracing work two coatings varnish apply work to 400 KVa & 500 KVA Transformer as per IS specifications as directed by TWAD board officers..

500 KVA TRANSFORMER

400KVA TRANSFORMER

Charges for attending Core winding job to tank accessories fixing as per IS specification including testing work with loading to 200 KvA & 250 KVA Transformer as per IS specifications as directed by TWAD board officers.

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Charges for attending Core winding job to tank accessories fixing as per IS specification including testing work with loading to 400 Kva & 500 KVA Transformer as per IS specifications as directed by TWAD board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

Labour Charges for Re erection of Tranformers upto 500 KVA and all accessories at Booster Station by using crane and fixing etc complete as directed by Twad Board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Hiring Charges for Crane for Positioning of Transformer in Bed for fixing etc., Complete as directed by TWAD Board officers.

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Conveyance charges for transformers unit from Booster Station to work shop site and for rectification works from work shop site to Booster Station after completion of rectification works etc complete as directed by Twad Board officers

500 KVA TRANSFORMER

400KVA TRANSFORMER

250 KVA TRANSFORMER

200 KVA TRANSFORMER

Supply and delivery of Electro magnetic contactors of suitable for starter 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

95 Amps\440V

185 Amps\440V

300 Amps\440V

400 Amps\440V

Supply and delivery of following Electromechanical item as directed by TWAD Board Officials

Digital Ammeter 3 phase

Digital Voltmeter 3 phase

SUPPLY AND DELIVERY OF PVC INSULATED SINGLE CORE MULTI STRAND FIRE RETARDANT LOW SMOKE (FRLS) FLEXIBLE COPPER CABLEWITH ISI MARK CONFORMING TO IS

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

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) inclusive of two level guard worth and auto start facility worth etc., complete and as directed by TWAD Board Officers.

5 HP Starter

3 HP Starter

2 HP Starter

1.5 HP Starter

1.0 HP Starter

25 HP Starter

22.5 HP Starter

22 HP Starter

20 HP Starter

17.5 HP Starter

10 HP Starter

7.5 HP Starter

Supply and delivery of floor mounted type FCMA Air/ Oil Cooled soft starter suitable for the LT motor offered for operation in AC three Phase 50Hz (+/- 5%), 415V (+/-10%) including line contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6Nos, LED ON/OFF type and Start /Stop push button

Attending Cable fault

Supply, delivery of 1.1 KV Grade Armoured Aluminium Conductor Cross linked Poly Ethylene insulated PVC Sheatehed cables conforming to IS 7098 (PART I)/1988 and as amended thereafter with ISI making etc., complete and as directed bt TWAD Board Officers.

3 core 70 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

Laying of 1.1 KV Grade PVC insulated steel Armoured aluminium cable as per I.E. rules For laying below GL including earth work

3 core 70 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

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

3 core 70 Sq. mm aluminium cable

3 core 50 Sq. mm aluminium cable

Supply and delivery of following Range AMPS 4 Pole & 3 Pole MCCB Switch (Moulted case circuit breakers) with thermo dynanmic relase inclusive of handling charges and F.O.R destination etc., complete and as directed by TWAD Board officers to control EB supply from E.B Pole to Main Panel Board

400 Amps MCCB

400 Amps Spreader Terminal

250 Amps MCCB

250 Amps Spreader Terminal

125 Amps MCCB

125 Amps Spreader Terminal

63 Amps MCCB

63 Amps Spreader Terminal

400 Amps MCCB

400 Amps Spreader Terminal

250 Amps MCCB

250 Amps Spreader Terminal

160 Amps MCCB

160 Amps Spreader Terminal

100 Amps MCCB

100 Amps Spreader Terminal

Supply and delivery of following Fuse unit etc., complete and as directed by TWAD Board officers

200 AMPS Porcelain Fuse unit

100 AMPS Porcelain Fuse unit

63 AMPS Porcelain Fuse unit

32 AMPS Porcelain Fuse unit

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 officers

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 CI scour /CI Sluice / CI NRV/ Double Air valve valve including cost of all material ,conveyance ,labour charges for removing and re-erection of valve etc., complete and as directed by TWAD Board officers

350 mm CI Sluice valve

350 mm CI NRV valve

300 mm CI Sluice valve

300 mm CI NRV valve

150 mm CI Sluice valve

150 mm CI Scour valve

100 mm CI Sluice valve

100 mm CI NRV valve

800 mm CI Sluice valve

700 mm CI Sluice valve

500 mm CI Sluice valve

450 mm CI Sluice valve

250 mm CI Sluice valve

150mm Double air valve

100mm Double air valve

80 mm Double air valve

50 mm Double air valve

40 mm Double air valve

Supply, delivery and fixing of G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

125 mm Gate valve

100 mm Gate valve

80 mm Gate valve

65 mm Gate valve

50 mm Gate valve

40 mm Gate valve

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete. and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

15.00 LL 1) Pazhavoor(Headworks) 2) Sirukankuruchi 3) Madhavakuruchi 4) Alagiyapandiyapuram 5) Vadakku Achampatti 6) Naluvasankottai 7) Madhavakuruchi

1.50 LL Pazhavoor(Headworks) (Sump cum pumphouse)

0.10 LL 1) Vettuvankulam 2) Seethaparpanallur 3) Ayubhkanpuram 4) Vadakku Cheliyanallur 5) Therkku Achampatti 6) Devarkulam(Chettikuruchi) 7) Karisalkulam 8) Muthukrishnapuram

0.30 LL 1) Kankeyankulam 2) Rastha 3) Ettankulam 4) Melapilayarkulam 5) Therkku Puliyampatti 6) Vadanathampatti 7) Madathupatti 8) Panaiyur 9) Sump at Kunndampatti 10) Sump at Sarathanagar

0.60 LL 1) Manur 2) Chettikulam 3) Nakkalamuthampatti

1.00 LL Thalavaipuram

2.00 LL Thiruvengadam

3.00 LL Sankarankovil

5.00 LL 1) Booster at Thiruvenkatam 2) Booster at Seval patti 3) Booster at Keelanmarainadu 4) Booster at Sithurajapuram

1.00 LL MSR AT SAMABAKULAM

2.00 LL MSR Vadakku KuruviKulam

1.00 LL MSR @KalliKulam

4.00 LL MSR @ANAIYUR

2.00 LL MSR @Sankarankoil

2.00 LL MSR @Ettiseri

1.00 LL MSR @Vadakku-malaiyadipatti

0.60 LL MSR @ Kalingapatti

2.00 LL MSR @ Nakkalamuthanpatti

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.

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, transportation, transit insurance, all other incidental charges at site of work etc. complete. and as directed by TWAD Board officers.

For the Year 2028-29 (From 01.04.2028- 31.03.2029)

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 27.82MLD, 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 10154.30 ML (27.82*365 )

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 for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers. PVC Pipes -4272.549 cum AC Pipes - 495.249 cum

Removing the burst P.V.C./A.C. 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

50 mm PVC 6 KSC

63mm PVC 4 KSC

75mm PVC 4 KSC

90mm PVC 4 KSC

110mm PVC 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

300 mm dia A.C. Pipes

250 mm dia A.C. Pipes

200 mm dia A.C. Pipes

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, inclusive of transportation charges to anywhere in Tamilnadu., 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 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

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 the following sizes of AC pipes of 5 m length and specials confirming to IS other specifications amended from time to time 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.

300 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

200 mm dia AC Class 15 Pipe

Supply and delivery of CID joint inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

For 300 NB AC Class 15

For 250 NB AC Class 15

For 200 NB AC Class 15

Attending Collar 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 etc., complete 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 pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

AC Collar leak - 909.761 cum PSC Collar Leak - 2905.247 cum

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

AC pipe - 714.00 Kg PSC Pipe -2425.00 Kg

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

AC pipe -952.00 litre PSC Pipe -2495.00 litre

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

AC pipe -714.00 Kg PSC Pipe - 3715 kg

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

AC pipe -952.00 hrs PSC Pipe -3013.00 hrs

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

AC pipe - 909.761 cum PSC Pipe - 2905.247 cum

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 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 leak rectification works for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

1) GI pipe - 86.63 Cum 2) OPVC and DI pipe -46.268 cum 3) PSC and AC pipe - 679.704 cum 4) MS pipes loacted PSC pipe line - 409.551 cum

Supply and delivery of the following sizes of GI medium 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 transit, insurance charges, etc., complete and as directed by TWAD Board officers.

25 mm GI Pipe

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

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

25 mm Coupling

40 mm Coupling

50 mm Coupling

65 mm Coupling

80 mm Coupling

100mm Coupling

50 mm Flange set

65 mm Flange set

80 mm Flange set

100mm Flange set

50 mm Rubber sheet for Flange set

65 mm Rubber sheet for Flange set

80 mm Rubber sheet for Flange set

100mm Rubber sheet for Flange set

40 mm Hex nipple

50 mm Hex nipple

65 mm Hex nipple

80 mm Hex nipple

100mm Hex nipple

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.

25 mm GI Pipe

40 mm GI Pipe

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.

25 mm GI Pipe

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

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, inclusive of transportation charges to anywhere in Tamilnadu., etc., complete and as directed by TWAD Board officers.

63 mm x 20 mm

75 mm x 20 mm

90 mm x 20 mm

Supply, Delivery and fixing of CI SINGLE AIR VALVE AS PER ISI 14845/2000 AND WITH 5 YEARS WARRANT inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of DUCTILE IRON SOCKET/SPIGOT PIPES FOR CLASS K7 AS PER IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

200 mm dia DI K7

350 mm dia DI K7

Supply and delivery of the following sizes of UN PLASTICIZED O-PVC PIPES FOR POTABLE WATER SUPPLY AS PER IS 16647 / 2017 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

250 mm dia OPVC PN 12.5 Class 500

Supply and delivery of the following sizes of MOULDED (OR) FABRICATED O-PVC FITTINGS COMPATIBLE WITH O-PVC PIPES

SLIDING COUPLER DN 250mm

Supply and Delivery of MJ Collars as directed by TWAD Board officers IS 8794/1988 etc., complete and as directed by TWAD Board officers

200 mm dia DI K7

350 mm dia DI K7

Supply and delivery of Leak Arresting Flexible MS Clamps etc., complete and as directed by TWAD Board officers

For 800mm PSC of various classes Pipe

For 500 NB PSC of various classes Pipe

For 450 NB PSC of various classes Pipe

For 350 NB PSC of various classes Pipe

For 300 NB AC of various classes Pipe

For 250 NB AC of various classes Pipe

For 200 NB AC of various classes 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

PSC and AC pipes - 628 hrs MS pipes located PSc pipelines - 407 hrs

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

PSC and AC pipe

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

PSC and AC 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.

MS pipes located PSc pipelines

Hire charges for Generator for electric current for attending leaks by fabrication of MS pipes and specials including fuel, Transportation etc., Complete as directed by TWAD Officials

MS pipes located PSc pipelines

Supply and Delivery of following MS pipes of as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2540 mm OD as per Table -8 of IS 3589:2001 2.Pipes shall be externally coated with plant applied CM 1:3, minimum 20mm thick including reinforcement as per clause A-9 of Annex-A of IS 3589:2001 inclusive of transportation charges anywhere in Tamilnadu etc., complete and as directed by the TWAD Board officers.

813 mm x 7.1 mm thick MS PIPE

355.6 mm x 5 mm thick MS PIPE

Refilling the foundation with excavated Soil (other than sand)complying with standard specification in layers of not more than 15cm thick, watering, well ramming, consolidating after the pipes are laid Jointed and tested etc., and removing and depositing the surplus reath at the place shown etc., complete and as directed by TWAD Board Officers.

1) GI pipe - 86.63 Cum 2) OPVC and DI pipe -46.268 cum 3) PSC and AC pipe - 679.704 cum 4) MS pipes loacted PSC pipe line - 409.551 cum

Rewinding of Motors/ Coil in pumping stations iod in the Electrical, Mechanical and Elctro- mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6. of General conditions of Contract Part II. complete and as directed by the TWAD Board officers.

Rewinding of motor and reconditioning pump and repair works to Submersible /Monoblock Pump set including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Submersible Pump Set

Monoblock Pump set

Rewinding of motor and and repair works to vertical turbine / HSC motor including cost of all material ,conveyance ,labour charges for removing and re-erection etc as directed by TWAD Board officers

Vertical turbine motor

HSC motor

Repair and Reconditonig works in various capacity HSC Pumpset including cost of all material excluding bronze impeller conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Repair and Reconditonig works in various capacity Vertical turbine Pump set including cost of all material (excluding bronze impeller, SS shaft ,MS column pipe) conveyance ,labour charges for removing and re-erection of etc as directed by TWAD Board officers

Attending Major Fault in Transformer

Labour Charges for dismantling of Transformer upto 500 KVA at Booster Stations with all accessories by using crane etc.complete as directed by TWAD Board officers

500 KVA TRANSFORMER LOCATED IN PAZHAVOOR HEADWORKS - 2 NOS (1 STANDBYE) & AZHAGIYAPANDIPURAM BOOSTER - 2 NOS (1 STANDBYE)