O and M vellore, Ranipet and Tirupathur

Operation and Maintenance of Combined Water Supply Schems in Ranipet District (10 Nos.), Vellore District (4 Nos) and Tirupattur District (1No) for the Period from 01.04.2026 to 31.03.2027, 01.04.2027 to 31.03.2028, 01.04.2028 to 31.03.2029 (3 years) – e-submission

'Operation and Maintenance of Combined Water Supply Schems in Ranipet District (10 Nos.), Vellore District (4 Nos) and Tirupattur District (1No) for the Period from 01.04.2026 to 31.03.2027.

'Operation and Maintenance of Combined Water Supply Schems in Ranipet District (10 Nos.), Vellore District (4 Nos) and Tirupattur District (1No) for the Period from 01.04.2027 to 31.03.2028.

'Operation and Maintenance of Combined Water Supply Schems in Ranipet District (10 Nos.), Vellore District (4 Nos) and Tirupattur District (1No) for the Period from 01.04.2028 to 31.03.2029.

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NUMBER #

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO ARAKONAM TIRUTTANI MUNICIPALITIES IN RANIPET AND THIRUVALLUR DISTRICT FOR THE YEAR 2026-2027

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

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. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

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 2.6.4 of General conditions of Contract - Part II.

300mm Ac Cl 15 pipes (Minor)

200mm Ac Cl 15 pipes (Minor)

300mm Ac Cl 15 pipes coller leak

200mm Ac Cl 15 pipes coller leak

150 mm CI K7 Pipe

63 mm GI PIPE

80MM GI Pipe

125 mm GI pipe

100mm GI pipe

HSC PUMPSETS

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of in the motor of 3334lpm x 57 m (60HP)Centrifugal pumpset at Athipattu H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete

Rewinding of burnout coil of the motor of 2084lpm x 39 m(40HP) Centrifugal pumpset at Winterpet Booster including cost of all material, labour, removing, conveyance and re-erection etc., complete

Reparing and reconditioning pump of 564 lpm x 24 m 5HP- Open well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 564 lpm x 24 m 7.5HP- Open well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 2084 lpm x 39 m 30HP- Centrifugal pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete

COPPER CABLE

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

Supply and delivery of 100 Amps porcelain fuse (500v)

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, sodium hypochlorite solution, common salt 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.

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.

2.0 LL capacity of sump

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

Bulbs ( LED / Tube / Incandescent / others)

7.5 HP Starter

CHEMICALS (bleaching powder)

CWSS TO BHEL INDUSTRIAL COMPLEX

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 2.6.4 of General conditions of Contract - Part II.

110mm PVC 4 ksc pipes (Minor)

140mm PVC 4 KSC Pipes(Minor)

200mm DI /K7 pipes(Minor)

250mm DI pipes(Minor)

250mm CI pipes(Minor)

600mm CI pipes(Minor)

60mm GI pipes

45mm GI pipes

90mm PVC pipes(Minor)

45mm PVC pipes(Minor)

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of in the motor of 3623lpm x 26 m (60HP)Centrifugal pumpset at Thengal H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete

Rewinding of burnout coil of the motor of 2577lpm x17 m(15HP) Open well submersible pumpset at Thengal HW including cost of all material, labour, removing, conveyance and re-erection etc., complete

Reparing and reconditioning pump of 500Lpm x 25 m (7.5HP) m 5HP- Bore well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 500Lpm x 25 m (5HP) m 5HP- Bore well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Head works atThengal

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

15 HP 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.

20 LL Capacity sump

CHEMICALS (bleaching powder)

CWSS TO BHEL Way side Villages in Ranipet distric

110mm PVC 4 ksc pipes (Minor)

140mm PVC 4 KSC Pipes(Minor)

60mm GI pipes(Minor)

45mm GI pipes

90mm PVC pipes(Minor)

45mm PVC pipes(Minor)

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Reparing and reconditioning pump of 270Lpm x 255m (7.5HP) m 5HP- Bore well submersible pumpset at Sump at Navloc including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 250Lpm x 40 m (5HP) m 5HP- Bore well submersible pumpset at Sump at Narasingapuram including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Rewinding of burnout coil of the motor of 1200LPM x 34 M (20HP) Open well Submersible pumpset H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete

Head works

Cleaning of Sump at headworks and booster 1 LL cap.

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

15 HP Starter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO KALAVAI TOWN PANCHAYAT AND 3 OTHER HABITATIONS IN SORAIYUR PANCHAYAT IN THIMIRI UNION IN ARCOT UNION RANIPET DISTRICT FOR THE YEAR 2026-2027

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

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. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

Attending Leaks in the PSC/AC 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 directed by the TWAD Board officers.

350mm PSC Cl 15 pipes (Minor)

250mm Ac Cl 15 pipes (Minor)

Attending Leaks in the PVC 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 directed by the TWAD Board officers.

140mm OD PVC 4Ksc Pipes(Minor)

110mm OD PVC 4Ksc Pipes(Minor)

90mm OD PVC 4Ksc Pipes(Minor)

300MM AC Pipes(Minor)

300 mm MS Pipes(Minor)

125 mm GI pipe(Minor)

100mm GI pipe(Minor)

HSC Pumpsets

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Reparing and reconditioning pump of 715 lpm x 16 m 5HP- submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 185 lpm x 46 m 5HP- Open well submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 436lpm x 18m Head 20HP- Open well submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 800LPM X 16M Head 7.5HP- Open well submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 420LPM X 40M Head 7.5HP- Open well submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

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.

2.0 LL capacity of sump

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

Bulbs ( LED / Tube / Incandescent / others)

choke

7.5 HP Starter

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

80mm GI Pipe

CHEMICALS (bleaching powder)

CWSS TO Sathur and 12 other Habitations

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 2.6.4 of General conditions of Contract - Part II.

110mm PVC 4 ksc pipes (Minor)

140mm PVC 4 KSC Pipes(Minor)

90mm OD PVC 4Ksc Pipes(Minor)

75mm OD PVC 4Ksc Pipes(Minor)

150mm AC CL 15 Pipes(Minor)

200mm AC CL 15 Pipes(Minor)

180mm HDPE PN 6 Pipes(Minor)

90mm HDPE PN 6 Pipes(Minor)

75mm HDPE PN 6 Pipes(Minor)

63mm HDPE PN 6 Pipes(Minor)

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of the motor of 1200lpm x40 m(20HP) Open well submersible pumpset at HW including cost of all material, labour, removing, conveyance and re-erection etc., complete

Reparing and reconditioning pump of 600Lpm x 24 m (7.5HP) - Bore well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 304Lpm x 32 m (5HP) - Bore well submersible pumpset at Booster including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 406Lpm x 32 m (5HP) - Bore well submersible pumpset at Booster including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Head works

Cleaning of Sump at headworks and booster 50000 lit cap.

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

15 HP Starter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO VEPPUR & 5 OTHER HABITATIONS IN ARCOT UNION RANIPET DISTRICT FOR THE YEAR 2026-2027

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

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. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I) (304 daysX0.21)=63.84

Attending Leaks in the PVC 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 directed by the TWAD Board officers.

90mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

160mm OD PVC 4 KSC pipes

150mm AC CL 15 Pipes(Minor)

100mm GI pipes

100mm DI pipes(Minor)

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 2.8 of General conditions of Contract Part II.B74

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of in the motor of 500lpm x 50 m (10HP) Submersible pumpset at River Palar nera Veppur including cost of all material, labour, removing, conveyance and re-erection etc., complete

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

10 HP Starter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO SUMAITHANGI & 13 OTHER HABITATIONS IN WALAJAH UNION IN RANIPET DISTRICT FOR THE YEAR 2026-2027

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

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. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

Attending Leaks in the PVC 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes

75mm OD PVC 4 KSC pipes

90mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

140mm OD PVC 4 KSC pipes

160mm OD PVC 4 KSC pipes

100mm GI Pipe

Rewinding of Motors 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 2.8 of General conditions of Contract Part II.

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of the motor of 15 hp Submersible pumpset at River Palar nera Athipattu including cost of all material, labour, removing, conveyance and re-erection etc., complete

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to IS7098/Rm. I/1988) 3core x50sqmm

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.

Supply and delivery of the following Electrical Works : consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO KADAPERI & 7 OTHER HABITATIONS IN WALAJAH UNION IN RANIPET DISTRICT FOR THE YEAR 2026-2027

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

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 2.6.4 of General conditions of Contract - Part II.

50mm OD PVC 4 KSC pipes (Minor)

63mm OD PVC 4 KSC pipes (Minor)

75mm OD PVC 4 KSC pipes (Minor)

110mm OD PVC 4 KSC pipes (Minor)

140mm OD PVC 4 KSC pipes (Minor)

160mm OD PVC 4 KSC pipes (Minor)

160mm OD PVC 6 KSC pipes (Minor)

100mm DI Pipe (Minor)

Open Well Submersible Pump Set

Rewinding of Motors 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of stator in the motor of 466pm x 67 m 10 HP Submerssible pumpset at Athipattu - Sumaithangi H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Supply , delivery and fixing of single phase preventer should protect the motor against single phasing, reverse phasing and unbalance supply

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and delivery of the following Electrical Works : consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO VANAPADI & 14 OTHER HABITATIONS IN WALAJAH UNION IN RANIPET DISTRICT FOR THE YEAR 2026-2027

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

Attending Leaks in the PSC/AC 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 directed by the TWAD Board officers.

200mm AC CL 15 pipes Coller leak(Minor)

250mm AC CL 15 pipes Coller Leak(Minor)

200mm AC CL 15 pipes( Minor)

250mm AC CL 15 pipes ( Minor)

Attending Leaks in the PVC 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes ( Minor)

90mm OD PVC 4 KSC pipes ( Minor)

110mm OD PVC 4 KSC pipes ( Minor)

140mm OD PVC 4 KSC pipes ( Minor)

Repair & Renewals and Leak & Bursts :

Attending Leaks in the HDPE 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 directed by the TWAD Board officers.

200 HDPE PN 6 Pipes

160 HDPE PN 6 Pipes

125 HDPE PN 6 Pipes

110 HDPE PN 6 Pipes

90 HDPE PN 6 Pipes

75 HDPE PN 6 Pipes

63 HDPE PN 6 Pipes

Open Well Submersible Pump Set

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of in the motor of 1600lpm x 50 m (30HP)Centrifugal pumpset at Sump including cost of all material, labour, removing, conveyance and re-erection etc., complete

Rewinding of burnout coil of the motor of 500lpm x 40 m(7.5HP) Submersible pumpset at Gugayanallur including cost of all material, labour, removing, conveyance and re-erection etc., complete

Reparing and reconditioning pump of 800 lpm x 20 m 7.5HP- submersible pumpset at Thakkampalayam including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 500 lpm x 18 m 5HP- Submersible pumpset at Gugayanallur including cost of all material, labour, removing, conveyance and re-erection etc., complete

Supply and delivery of L.T. CABLES 70 sq mm 3.0 CORE 1.1 KV GRADE Armoured Aluminium Conductor croos linked Polyethylene insulated PVC Shethedcables confirming to IS 7098 (PART I)/1988 with ISI marking.

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.

0.50 LL capacity of sump .

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

Bulbs ( LED / Tube / Incandescent / others)

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

80mm GI Pipe

CHEMICALS (bleaching powder)

Annual Maintanance estimate for CWSS to Sembedu and 88 other habitations in Kaveripakkam, Sholinghur & Arakkonam Union of Ranipet District near Tiruparkadal of Palar River for the year 2026-27

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

Repair & Renewals and Leak & Bursts :

Attending Leaks in the HDPE 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 directed by the TWAD Board officers.

280 HDPE PN 6 Pipes

250 HDPE PN 6 Pipes

225 HDPE PN 6 Pipes

200 HDPE PN 6 Pipes

160 HDPE PN 6 Pipes

140 HDPE PN 6 Pipes

125 HDPE PN 6 Pipes

110 HDPE PN 6 Pipes

90 HDPE PN 6 Pipes

75 HDPE PN 6 Pipes

63 HDPE PN 6 Pipes

Attending joint Leaks in the DI 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

300 mm DI K7

Attending leaks using welding works in the DI pipelines damaged by highways, local bodies and etc., 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

300mm DI pipes

Attending leaks using clampset works in the DI pipelines damaged by highways, local bodies and etc., 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

300mm DI pipes

Starters

ALUMINIUM CABLE

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3.5 core 10 Sq.mm conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3.5 core 16 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3.5 core 25 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 4 Sq.mm flat type PVC insulated copper cable confirming to IS 694/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges (to be laid in between Panel Board to OW Pset at sump through starter) etc.., complete., and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3.5 core 70 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3 core 10Sq.mm flat type PVC insulated copper cable confirming to IS 694/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges (to be laid in between Panel Board to OW Pset at sump through starter) etc.., complete., and as directed by the TWAD Board Officers

Supply and delivery of 1.1 KV Grade 3 core 25 Sq.mm insulated and steel armoured Copper cable confirming to IS 694 (PartI)/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3 core 35 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply, delivey and fixing of MOULDED CASE CIRCUIT BREAKER (MCCB) WITH THERMO MAGNETIC RELEASE - 4 Pole-with Rotary handle and Spreades terminal

Range - 32-100 63A/100A

Range - 125

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

Supply, delivey and fixing 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.

Supply, delivey and fixing of Preventer – Single Phasing - 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 auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Supply, delivey and fixing of FUSE UNITS (ANCHOR /EQUIVALENT)

63 Amps Porcelain fuse unit (500 V)

100 Amps Porcelain fuse unit (500 V)

200 Amps Porcelain fuse unit (500 V)

Supply, delivey and fixing of CHANGE OVER SWITCHES

16 Amps three phase 500 V 4 pole Change over switch

32 Amps three phase 500 V 4 pole Change over switch

63 Amps three phase 500 V 4 pole Change over switch

100 Amps three phase 500 V 4 pole Change over switch

125 A 4 pole Change Over Switch

250A 3 phase 4 pole change over switch

SUPPLY AND DELIVERY OF 150mm dia Pressure Gauge and Vaccum guage including all accessories as per specification

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

SUMP CLEANING

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.

0.25LL to 0.35LL Capacity sumps

0.40 to 0.60LL, Capacity sump

0.65,LL to 1.05LL Capacity sump

1.20LL to 2.50LL Capacity sump

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Voltmeter- Three Phase Class 1-AC

d 96 mm X 96 mm Three Phase Ammeter Class 1-1A

Supply and delivery of Mechanical Joint collar with necessary rubber insertions , bolts & nuts including , loading & unloading, transporting charges etc., complete at site as per standard specification etc., complete and as directed by the TWAD Board Officers.

Supply and Delivery of DI D/F Gate valves (Soft Seated) resilient seated soft sealing gate valves (sluice valves) with body bonnet of ductile cast iron of grade GGG40 or equivalent grade, wedge fully rubber lined with EPDM, replaceable spindle nut, without gland packing and with 3 O-Ring protection on the shaft and seals of NBR and the valves should be of vaccum tight and 100% leak proof with face to face dimentions as per BS 5163-89/ ISI 14846-2000/ DIN 3202 F 4. All the valves should be with electrostatic powder coating both inside and outside with pocket less straight thro' body passage. All the valves are to be compatible for burried application with pressure rating PN 10/16 etc. complete and as directed by the TWAD Board Officers

250 mm dia DI D/F Gate Valves

200 mm dia DI D/F Gate Valves

150 mm dia DI D/F Gate Valves

100 mm dia DI D/F Gate Valves

80 mm dia DI D/F Gate Valves

50 mm dia DI D/F Gate Valves

Supply and delivery of CI Single air valve as per IS: 14845/2000

80 mm dia AV in 250 to 300 mm Main

50 mm dia AV in 100 to 200 mm Main

25 mm dia AV in 63 to 90 mm Main

Supply and delivery of common salt as amended from time to time. The contractor shall supply to the contractor's storage yard / site. The cost includes labour charges for loading, transit insurance, conveyance charges, unloading, processing and handling etc., complete and as directed by TWAD Board officers.Note: Additional quantity should be pumped as per the instructions of the Engineer, if any required.

Open Well Submersible Pump Set

Rewinding of motor and reconditioning of pumpset and repair works to 1 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 2 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 3 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 4 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 7.5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

HSC Pumpsets

Rewinding of motor and reconditioning of pumpset and repair works to 20HP centrifugal HSC Motor Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 40HP centrifugal HSC Motor Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

CHEMICALS (COMMON SALT)

CWSS to Vellore 4 Nos

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO CHENNAKUPPAM AND 26 OTHER HABITATIONS IN K.V. KUPPAM UNION IN VELLORE DISTRICT FOR THE YEAR 2026-2027 (01.04.2026 to 31.03.2027)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure .........., 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 .

Attending Leaks in the PVC/HDPE/DI pipelines (Minor/Circumfrential Leak) 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes

90mm OD PVC 4 KSC pipes

140mm OD PVC 4 KSC pipes

150mm DI K7

200mm DI K7

90 HDPE PN6

Attending the Repair and Renewal works in Submersible Pumpset. (500 lpmX25M) 5HP -1no

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the Repair and Renewal works in Submersible Pumpset. 1. 250 lpmX40M - 7.5HP (2nos) at Badarapallai 2. 350 lpm x 60M -7.5 HP (2nos) at Machanur 3. 630 lpm x 25M -7.5 HP (6nos) at IW 3,4 &5

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the Repair and Renewal works in Submersible Pumpset. 1.660 lpmX 75M - 20HP (2nos) at PK Puram 2. 765 lpm x700M - 20 HP (2nos) at PK Puram

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the Repair and Renewal works in Submersible Pumpset. (1500 lpmX 60M) 40HP

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Head works at Pavalathurai

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and fixing of 100 Amps three phase 500 V 4 pole change over switch

Supply and delivery of 500 Amps porcelain fuse (500v)

Charges for removing the burnt power capacitor and labour charges for fixing the new 2 KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials. (2 KVAR*286=572)

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. (vide separate sheet)

0.30LL capacity of Booster sump at Badarapalli and Machanur

0.50LL capacity of Headworks collection sump at Pavalathurai

0.40LL capacity of Booster sump at PK Puram

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

50mm GM Gate valve

80mm GM Gate valve

R I Sheet

50mm GI Pipe

65mm GI Pipe

80mm GI Pipe

Box type single fluorescent fitting with copper choke and condensor complete with ISI mark - 4 Ft. 40 Watts with ballast (Lower end)

Annexure for attending the Repair works in DOL Starter (5 HP)

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the Repair works in Star Delta Starter for 7.5HP

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter for 20.00 HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starterfor 40.00 HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO SENJI AND 28 OTHER HABITATIONS IN K.V. KUPPAM UNION IN VELLORE DISTRICT FOR THE YEAR 2026-2027 (01.04.2026 to 31.03.2027)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure .........., 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 .

Attending Leaks in the PVC/HDPE pipelines (Minor/Circumfrential Leak) 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes

75mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

110mm OD PVC 6 KSC pipes

63 HDPE PN6

Attending the Repair and Renewal works in Submersible Pumpset. (390lpmX35M) 5HP

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Head works at Rajathoppu Dam

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and fixing of 100 Amps three phase 500 V 4 pole change over switch

Charges for removing the burnt power capacitor and labour charges for fixing the new 2 KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials. (2 KVAR*286=572)

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. (vide separate sheet)

3.0 LL capacity of sump

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

50mm GM Gate valve

80mm GM Gate valve

R I Sheet

50mm GI Pipe

65mm GI Pipe

80mm GI Pipe

Box type single fluorescent fitting with copper choke and condensor complete with ISI mark - 4 Ft. 40 Watts with ballast (Lower end)

Annexure for attending the Repair works in DOL Starter (5 HP)

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO SETHUVANDAI AND 4 OTHER HABITATIONS IN K.V. KUPPAM UNION IN VELLORE DISTRICT FOR THE YEAR 2026-2027 (01.04.2026 to 31.03.2027)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure .........., 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 .

Attending Leaks in the PVC pipelines (Minor/Circumfrential Leak) 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 directed by the TWAD Board officers.

90mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

140mm OD PVC 4 KSC pipes

160mm OD PVC 4 KSC pipes

Attending the Repair and Renewal works in Submersible Pumpset. (500lpmX54M)15HP

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Head works at Hyderpuram

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and fixing of 100 Amps three phase 500 V 4 pole change over switch

Charges for removing the burnt power capacitor and labour charges for fixing the new 2 KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials. (2 KVAR*286=572)

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.

0.10LL capacity of sump

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

50mm GM Gate valve

80mm GM Gate valve

R I Sheet

80mm GI Pipe

Box type single fluorescent fitting with copper choke and condensor complete with ISI mark - 4 Ft. 40 Watts with ballast (Lower end)

ATTENDING AND REPAIRING OF THREE PHASE PANEL BOARD STAR- DELTA WITH TWO LEVEL GUARD AND AUTO START - 7.5 HP

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

ANNUAL MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO SHOLAMUR AND 25 OTHER HABITATIONS IN K.V. KUPPAM UNION IN VELLORE DISTRICT FOR THE YEAR 2026-2027 (01.04.2026 to 31.03.2029)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure .........., 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 .

Attending Leaks in the PVC/HDPE pipelines (Minor/Circumfrential Leak) 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes

90mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

110mm OD PVC 6 KSC pipes

63 HDPE PN6

75 HDPE PN6

Attending the Repair and Renewal works in Submersible Pumpset. (233 LPMX54M) 7.5HP (2 nos) & 176 LPMX50M) 7.5HP (4nos)

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Head works at Thirumani

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and fixing of 100 Amps three phase 500 V 4 pole change over switch

Charges for removing the burnt power capacitor and labour charges for fixing the new 2 KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials.

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. (vide separate sheet)

0.10LL capacity of sump

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

50mm GM Gate valve

80mm GM Gate valve

R I Sheet

65mm GI Pipe

80mm GI Pipe

Box type single fluorescent fitting with copper choke and condensor complete with ISI mark - 4 Ft. 40 Watts with ballast (Lower end)

Attending the Repair works in 3 Phase Star Delta Starter (7.5 HP)

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

CWSS to Tirupattur 1 No

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries , carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board 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 and electricity. ( 365 Days X 11.62 ML/Day = 4241.30 MLD)

Repair & Renewals and Leak & Bursts :

Attending Leaks in HDPE pipelines of this CWSS for the following items,as per the standard procedure including earthworkexcavation,dewatering,removing,relaying,jointing,civil works, cost of materials and all other incidential charges, etc complete within the stipulated time limit as directed by the TWAD Board officers.

160 HDPE 6 KSC Pipes

140 HDPE 6 KSC Pipes

125 HDPE 6 KSC Pipes

110 HDPE 6 KSC Pipes

90 HDPE 6 KSC Pipes

75 HDPE 6 KSC Pipes

63 HDPE 6 KSC Pipes

160 HDPE 8 KSC Pipes

140 HDPE 8 KSC Pipes

125 HDPE 8 KSC Pipes

90 HDPE 8 KSC Pipes

75 HDPE 8 KSC Pipes

110 HDPE 10 KSC Pipes

90 HDPE 10 KSC Pipes

140 HDPE 12.5 KSC Pipes

110 HDPE 12.5 KSC Pipes

75 HDPE 12.5 KSC Pipes

140 HDPE 16 KSC Pipes

125 HDPE 16 KSC Pipes

Attending Joints Leaks in the DI 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 incidential charges, ect complete

300 mm DI K9

250 mm DI K9

150 mm DI K9

100 mm DI K9

400 mm DI K7

300 mm DI K7

250 mm DI K7

200 mm DI K7

150 mm DI K7

100 mm DI K7

Attending leaks using welding works in the DI pipelines damaged by highways, local bodies and etc., 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 incidential charges, etc complete

100mm DI pipes

150mm DI pipes

200mm DI pipes

250mm DI pipes

300mm DI pipes

400mm DI pipes

Attending leaks using clampset works in the DI pipelines damaged by highways, local bodies and etc., 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 incidential charges, etc complete

100mm DI pipes

150mm DI pipes

200mm DI pipes

250mm DI pipes

300mm DI pipes

400mm DI pipes

Pumpsets

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-mechanical items to bring back the scheme / components into normal running conditition as per standard specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.8 of General conditions of Contract Part II etc as directed by TWAD Board officers.

Open well submersible pump sets

Rewinding of motor and reconditioning of pumpset and repair works to 1 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 2 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 3 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 4 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 7.5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 10 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 12.5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 17.5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

HSC Pumpsets

Rewinding of motor and repair works to 20HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 20HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 22.5HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 22.5HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 25HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 25HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 40HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 40HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 45HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 45HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 47.5HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 47.5HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 75HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 75HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Starters

ALUMINIUM CABLE

Supply and delivery of 1.1 KV Grade 3 core 10 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 16 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 25 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3.5 core 185 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 4 Sq.mm flat type PVC insulated copper cable confirming to IS 694/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges (to be laid in between Panel Board to OW Pset at sump through starter) etc.., complete., and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 95 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 6 Sq.mm flat type PVC insulated copper cable confirming to IS 694/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges (to be laid in between Panel Board to OW Pset at sump through starter) etc.., complete., and as directed by the TWAD Board Officers

Supply and delivery of 1.1 KV Grade 3 core 50 Sq.mm PVC insulated and steel armoured Copper cable confirming to IS 694 (PartI)/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 70 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply, delivey and fixing of MOULDED CASE CIRCUIT BREAKER (MCCB) WITH THERMO MAGNETIC RELEASE , Spreader Terminal and Rotary Handle- 4 Pole

Range - 63-100

Range - 125

Range - 160

Range - 250

Range - 400

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

Supply, delivey and fixing 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.

Supply, delivey and fixing of Preventer – Single Phasing - 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 auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Supply, delivey and fixing of FUSE UNITS (ANCHOR /EQUIVALENT)

63 Amps Porcelain fuse unit (500 V)

100 Amps Porcelain fuse unit (500 V)

200 Amps Porcelain fuse unit (500 V)

Supply, delivey and fixing of CHANGE OVER SWITCHES

16 Amps three phase 500 V 4 pole Change over switch

32 Amps three phase 500 V 4 pole Change over switch

63 Amps three phase 500 V 4 pole Change over switch

100 Amps three phase 500 V 4 pole Change over switch

125 A 4 pole Change Over Switch

200 Amps three phase 500 V 4 pole Change over switch

250A 3 phase 4 pole change over switch

Supply, delivey and fixing of PVC INSULATED SINGLE CORE MULTI STRAND FIRE RETARDANT FLEXIBLE COPPER CABLE WITH ISI MARK CONFORMING TO IS

SUPPLY AND DELIVERY OF 150mm dia Pressure Gauge and Vaccum guage including all accessories as per specification

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

SUMP CLEANING

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.

0.15LL to 0.30LL Capacity sumps

0.35LL to 0.45LL Capacity sump

0.50LL to 0.60LL Capacity sump

0.65LL to 0.75LL Capacity sump

0.80LL to 1.00LL Capacity sump

1.05LL to 1.25LL Capacity sump

1.30LL to 1.50LL Capacity sump

1.55LL to 1.75LL Capacity sump

2.05LL to 3.00LL Capacity sump

3.05LL to 6.00LL Capacity sump

6.05LL to 9.00LL Capacity sump

15.00LL to 29.50 LL Capacity of Sump

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Digital Voltmeter 3 phase

Digital Ammeter 3 phase

Supply and delivery of Mechanical Joint collar with necessary rubber insertions , bolts & nuts including , loading & unloading, transporting charges etc., complete at site as per standard specification etc., complete and as directed by the TWAD Board Officers.

Supply and Delivery of DI D/F Gate valves (Soft Seated) resilient seated soft sealing gate valves (sluice valves) with body bonnet of ductile cast iron of grade GGG40 or equivalent grade, wedge fully rubber lined with EPDM, replaceable spindle nut, without gland packing and with 3 O-Ring protection on the shaft and seals of NBR and the valves should be of vaccum tight and 100% leak proof with face to face dimentions as per BS 5163-89/ ISI 14846-2000/ DIN 3202 F 4. All the valves should be with electrostatic powder coating both inside and outside with pocket less straight thro' body passage. All the valves are to be compatible for burried application with pressure rating PN 10/16 etc. complete and as directed by the TWAD Board Officers

250 mm dia DI D/F Gate Valves

200 mm dia DI D/F Gate Valves

150 mm dia DI D/F Gate Valves

100 mm dia DI D/F Gate Valves

80 mm dia DI D/F Gate Valves

50 mm dia DI D/F Gate Valves

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float made of Polytetrafluroethylene / Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu etc. complete and as directed by the TWAD Board Officers

100 mm dia AV in 350 to 500 mm Main

80 mm dia AV in 250 to 300 mm Main

50 mm dia AV in 100 to 200 mm Main

Supply , delivery and fixing of CI Single air valve of size 25 mm dia AV in 63 to 90 mm Main as per IS: 14845/2000 including loading, freight, transit, unloading and stacking them at site etc. complete and as directed by TWAD Board Officers

25 mm dia AV in 63 to 90 mm Main

Supply and delivery of common salt as amended from time to time. The contractor shall supply to the contractor's storage yard / site. The cost includes labour charges for loading, transit insurance, conveyance charges, unloading, processing and handling etc., complete and as directed by TWAD Board officers.Note: Additional quantity should be pumped as per the instructions of the Engineer, if any required.

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 #

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO ARAKONAM TIRUTTANI MUNICIPALITIES IN RANIPET AND THIRUVALLUR DISTRICT FOR THE YEAR 2027-2028

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

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. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

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 2.6.4 of General conditions of Contract - Part II.

300mm Ac Cl 15 pipes (Minor)

200mm Ac Cl 15 pipes (Minor)

300mm Ac Cl 15 pipes coller leak

200mm Ac Cl 15 pipes coller leak

150 mm CI K7 Pipe

63 mm GI PIPE

80MM GI Pipe

125 mm GI pipe

100mm GI pipe

HSC PUMPSETS

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of in the motor of 3334lpm x 57 m (60HP)Centrifugal pumpset at Athipattu H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete

Rewinding of burnout coil of the motor of 2084lpm x 39 m(40HP) Centrifugal pumpset at Winterpet Booster including cost of all material, labour, removing, conveyance and re-erection etc., complete

Reparing and reconditioning pump of 564 lpm x 24 m 5HP- Open well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 564 lpm x 24 m 7.5HP- Open well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 2084 lpm x 39 m 30HP- Centrifugal pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete

COPPER CABLE

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

Supply and delivery of 100 Amps porcelain fuse (500v)

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, sodium hypochlorite solution, common salt 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.

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.

2.0 LL capacity of sump

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

Bulbs ( LED / Tube / Incandescent / others)

7.5 HP Starter

CHEMICALS (bleaching powder)

CWSS TO BHEL INDUSTRIAL COMPLEX

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 2.6.4 of General conditions of Contract - Part II.

110mm PVC 4 ksc pipes (Minor)

140mm PVC 4 KSC Pipes(Minor)

200mm DI /K7 pipes(Minor)

250mm DI pipes(Minor)

250mm CI pipes(Minor)

600mm CI pipes(Minor)

60mm GI pipes

45mm GI pipes

90mm PVC pipes(Minor)

45mm PVC pipes(Minor)

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of in the motor of 3623lpm x 26 m (60HP)Centrifugal pumpset at Thengal H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete

Rewinding of burnout coil of the motor of 2577lpm x17 m(15HP) Open well submersible pumpset at Thengal HW including cost of all material, labour, removing, conveyance and re-erection etc., complete

Reparing and reconditioning pump of 500Lpm x 25 m (7.5HP) m 5HP- Bore well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 500Lpm x 25 m (5HP) m 5HP- Bore well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Head works atThengal

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

15 HP 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.

20 LL Capacity sump

CHEMICALS (bleaching powder)

CWSS TO BHEL Way side Villages in Ranipet distric

110mm PVC 4 ksc pipes (Minor)

140mm PVC 4 KSC Pipes(Minor)

60mm GI pipes(Minor)

45mm GI pipes

90mm PVC pipes(Minor)

45mm PVC pipes(Minor)

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Reparing and reconditioning pump of 270Lpm x 255m (7.5HP) m 5HP- Bore well submersible pumpset at Sump at Navloc including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 250Lpm x 40 m (5HP) m 5HP- Bore well submersible pumpset at Sump at Narasingapuram including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Rewinding of burnout coil of the motor of 1200LPM x 34 M (20HP) Open well Submersible pumpset H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete

Head works

Cleaning of Sump at headworks and booster 1 LL cap.

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

15 HP Starter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO KALAVAI TOWN PANCHAYAT AND 3 OTHER HABITATIONS IN SORAIYUR PANCHAYAT IN THIMIRI UNION IN ARCOT UNION RANIPET DISTRICT FOR THE YEAR 2027-2028

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

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. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

Attending Leaks in the PSC/AC 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 directed by the TWAD Board officers.

350mm PSC Cl 15 pipes (Minor)

250mm Ac Cl 15 pipes (Minor)

Attending Leaks in the PVC 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 directed by the TWAD Board officers.

140mm OD PVC 4Ksc Pipes(Minor)

110mm OD PVC 4Ksc Pipes(Minor)

90mm OD PVC 4Ksc Pipes(Minor)

300MM AC Pipes(Minor)

300 mm MS Pipes(Minor)

125 mm GI pipe(Minor)

100mm GI pipe(Minor)

HSC Pumpsets

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Reparing and reconditioning pump of 715 lpm x 16 m 5HP- submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 185 lpm x 46 m 5HP- Open well submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 436lpm x 18m Head 20HP- Open well submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 800LPM X 16M Head 7.5HP- Open well submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 420LPM X 40M Head 7.5HP- Open well submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

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.

2.0 LL capacity of sump

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

Bulbs ( LED / Tube / Incandescent / others)

choke

7.5 HP Starter

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

80mm GI Pipe

CHEMICALS (bleaching powder)

CWSS TO Sathur and 12 other Habitations

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 2.6.4 of General conditions of Contract - Part II.

110mm PVC 4 ksc pipes (Minor)

140mm PVC 4 KSC Pipes(Minor)

90mm OD PVC 4Ksc Pipes(Minor)

75mm OD PVC 4Ksc Pipes(Minor)

150mm AC CL 15 Pipes(Minor)

200mm AC CL 15 Pipes(Minor)

180mm HDPE PN 6 Pipes(Minor)

90mm HDPE PN 6 Pipes(Minor)

75mm HDPE PN 6 Pipes(Minor)

63mm HDPE PN 6 Pipes(Minor)

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of the motor of 1200lpm x40 m(20HP) Open well submersible pumpset at HW including cost of all material, labour, removing, conveyance and re-erection etc., complete

Reparing and reconditioning pump of 600Lpm x 24 m (7.5HP) - Bore well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 304Lpm x 32 m (5HP) - Bore well submersible pumpset at Booster including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 406Lpm x 32 m (5HP) - Bore well submersible pumpset at Booster including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Head works

Cleaning of Sump at headworks and booster 50000 lit cap.

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

15 HP Starter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO VEPPUR & 5 OTHER HABITATIONS IN ARCOT UNION RANIPET DISTRICT FOR THE YEAR 2027-2028

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

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. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I) (304 daysX0.21)=63.84

Attending Leaks in the PVC 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 directed by the TWAD Board officers.

90mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

160mm OD PVC 4 KSC pipes

150mm AC CL 15 Pipes(Minor)

100mm GI pipes

100mm DI pipes(Minor)

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 2.8 of General conditions of Contract Part II.B74

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of in the motor of 500lpm x 50 m (10HP) Submersible pumpset at River Palar nera Veppur including cost of all material, labour, removing, conveyance and re-erection etc., complete

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

10 HP Starter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO SUMAITHANGI & 13 OTHER HABITATIONS IN WALAJAH UNION IN RANIPET DISTRICT FOR THE YEAR 2027-2028

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

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. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

Attending Leaks in the PVC 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes

75mm OD PVC 4 KSC pipes

90mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

140mm OD PVC 4 KSC pipes

160mm OD PVC 4 KSC pipes

100mm GI Pipe

Rewinding of Motors 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 2.8 of General conditions of Contract Part II.

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of stator in the motor of 466pm x 67 m 10 HP Submerssible pumpset at Athipattu - Sumaithangi H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to IS7098/Rm. I/1988) 3core x50sqmm

Supply and delivery of the following Electrical Works : consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO KADAPERI & 7 OTHER HABITATIONS IN WALAJAH UNION IN RANIPET DISTRICT FOR THE YEAR 2027-2028

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

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 2.6.4 of General conditions of Contract - Part II.

50mm OD PVC 4 KSC pipes (Minor)

63mm OD PVC 4 KSC pipes (Minor)

75mm OD PVC 4 KSC pipes (Minor)

110mm OD PVC 4 KSC pipes (Minor)

140mm OD PVC 4 KSC pipes (Minor)

160mm OD PVC 4 KSC pipes (Minor)

160mm OD PVC 6 KSC pipes (Minor)

100mm DI Pipe (Minor)

Open Well Submersible Pump Set

Rewinding of Motors 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of stator in the motor of 466pm x 67 m 10 HP Submerssible pumpset at Athipattu - Sumaithangi H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Supply , delivery and fixing of single phase preventer should protect the motor against single phasing, reverse phasing and unbalance supply

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and delivery of the following Electrical Works : consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO VANAPADI & 14 OTHER HABITATIONS IN WALAJAH UNION IN RANIPET DISTRICT FOR THE YEAR 2027-2028

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

Attending Leaks in the PSC/AC 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 directed by the TWAD Board officers.

200mm AC CL 15 pipes Coller leak(Minor)

250mm AC CL 15 pipes Coller Leak(Minor)

200mm AC CL 15 pipes( Minor)

250mm AC CL 15 pipes ( Minor)

Attending Leaks in the PVC 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes ( Minor)

90mm OD PVC 4 KSC pipes ( Minor)

110mm OD PVC 4 KSC pipes ( Minor)

140mm OD PVC 4 KSC pipes ( Minor)

Repair & Renewals and Leak & Bursts :

Attending Leaks in the HDPE 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 directed by the TWAD Board officers.

200 HDPE PN 6 Pipes

160 HDPE PN 6 Pipes

125 HDPE PN 6 Pipes

110 HDPE PN 6 Pipes

90 HDPE PN 6 Pipes

75 HDPE PN 6 Pipes

63 HDPE PN 6 Pipes

Open Well Submersible Pump Set

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of in the motor of 1600lpm x 50 m (30HP)Centrifugal pumpset at Sump including cost of all material, labour, removing, conveyance and re-erection etc., complete

Rewinding of burnout coil of the motor of 500lpm x 40 m(7.5HP) Submersible pumpset at Gugayanallur including cost of all material, labour, removing, conveyance and re-erection etc., complete

Reparing and reconditioning pump of 800 lpm x 20 m 7.5HP- submersible pumpset at Thakkampalayam including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 500 lpm x18 m 5HP- Submersible pumpset at Gugayanallur including cost of all material, labour, removing, conveyance and re-erection etc., complete

Supply and delivery of L.T. CABLES 70 sq mm 3.0 CORE 1.1 KV GRADE Armoured Aluminium Conductor croos linked Polyethylene insulated PVC Shethedcables confirming to IS 7098 (PART I)/1988 with ISI marking.

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.

0.50 LL capacity of sump .

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

Bulbs ( LED / Tube / Incandescent / others)

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

80mm GI Pipe

CHEMICALS (bleaching powder)

Annual Maintanance estimate for CWSS to Sembedu and 88 other habitations in Kaveripakkam, Sholinghur & Arakkonam Union of Ranipet District near Tiruparkadal of Palar River for the year 2027-28

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

Repair & Renewals and Leak & Bursts :

Attending Leaks in the HDPE 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 directed by the TWAD Board officers.

280 HDPE PN 6 Pipes

250 HDPE PN 6 Pipes

225 HDPE PN 6 Pipes

200 HDPE PN 6 Pipes

160 HDPE PN 6 Pipes

140 HDPE PN 6 Pipes

125 HDPE PN 6 Pipes

110 HDPE PN 6 Pipes

90 HDPE PN 6 Pipes

75 HDPE PN 6 Pipes

63 HDPE PN 6 Pipes

Attending joint Leaks in the DI 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

300 mm DI K7

Attending leaks using welding works in the DI pipelines damaged by highways, local bodies and etc., 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

300mm DI pipes

Attending leaks using clampset works in the DI pipelines damaged by highways, local bodies and etc., 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

300mm DI pipes

Starters

ALUMINIUM CABLE

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3.5 core 10 Sq.mm conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3.5 core 16 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3.5 core 25 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 4 Sq.mm flat type PVC insulated copper cable confirming to IS 694/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges (to be laid in between Panel Board to OW Pset at sump through starter) etc.., complete., and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3.5 core 70 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3 core 10Sq.mm flat type PVC insulated copper cable confirming to IS 694/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges (to be laid in between Panel Board to OW Pset at sump through starter) etc.., complete., and as directed by the TWAD Board Officers

Supply and delivery of 1.1 KV Grade 3 core 25 Sq.mm insulated and steel armoured Copper cable confirming to IS 694 (PartI)/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3 core 35 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply, delivey and fixing of MOULDED CASE CIRCUIT BREAKER (MCCB) WITH THERMO MAGNETIC RELEASE - 4 Pole-with Rotary handle and Spreades terminal

Range - 32-100 63A/100A

Range - 125

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

Supply, delivey and fixing 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.

Supply, delivey and fixing of Preventer – Single Phasing - 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 auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Supply, delivey and fixing of FUSE UNITS (ANCHOR /EQUIVALENT)

63 Amps Porcelain fuse unit (500 V)

100 Amps Porcelain fuse unit (500 V)

200 Amps Porcelain fuse unit (500 V)

Supply, delivey and fixing of CHANGE OVER SWITCHES

16 Amps three phase 500 V 4 pole Change over switch

32 Amps three phase 500 V 4 pole Change over switch

63 Amps three phase 500 V 4 pole Change over switch

100 Amps three phase 500 V 4 pole Change over switch

125 A 4 pole Change Over Switch

250A 3 phase 4 pole change over switch

SUPPLY AND DELIVERY OF 150mm dia Pressure Gauge and Vaccum guage including all accessories as per specification

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

SUMP CLEANING

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.

0.25LL to 0.35LL Capacity sumps

0.40 to 0.60LL, Capacity sump

0.65,LL to 1.05LL Capacity sump

1.20LL to 2.50LL Capacity sump

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Voltmeter- Three Phase Class 1-AC

d 96 mm X 96 mm Three Phase Ammeter Class 1-1A

Supply and delivery of Mechanical Joint collar with necessary rubber insertions , bolts & nuts including , loading & unloading, transporting charges etc., complete at site as per standard specification etc., complete and as directed by the TWAD Board Officers.

Supply and Delivery of DI D/F Gate valves (Soft Seated) resilient seated soft sealing gate valves (sluice valves) with body bonnet of ductile cast iron of grade GGG40 or equivalent grade, wedge fully rubber lined with EPDM, replaceable spindle nut, without gland packing and with 3 O-Ring protection on the shaft and seals of NBR and the valves should be of vaccum tight and 100% leak proof with face to face dimentions as per BS 5163-89/ ISI 14846-2000/ DIN 3202 F 4. All the valves should be with electrostatic powder coating both inside and outside with pocket less straight thro' body passage. All the valves are to be compatible for burried application with pressure rating PN 10/16 etc. complete and as directed by the TWAD Board Officers

250 mm dia DI D/F Gate Valves

200 mm dia DI D/F Gate Valves

150 mm dia DI D/F Gate Valves

100 mm dia DI D/F Gate Valves

80 mm dia DI D/F Gate Valves

50 mm dia DI D/F Gate Valves

Supply and delivery of CI Single air valve as per IS: 14845/2000

80 mm dia AV in 250 to 300 mm Main

50 mm dia AV in 100 to 200 mm Main

25 mm dia AV in 63 to 90 mm Main

Supply and delivery of common salt as amended from time to time. The contractor shall supply to the contractor's storage yard / site. The cost includes labour charges for loading, transit insurance, conveyance charges, unloading, processing and handling etc., complete and as directed by TWAD Board officers.Note: Additional quantity should be pumped as per the instructions of the Engineer, if any required.

Open Well Submersible Pump Set

Rewinding of motor and reconditioning of pumpset and repair works to 1 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 2 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 3 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 4 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 7.5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

HSC Pumpsets

Rewinding of motor and reconditioning of pumpset and repair works to 20HP centrifugal HSC Motor Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 40HP centrifugal HSC Motor Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

CHEMICALS (bleaching powder)

CWSS to Vellore 4 Nos

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO CHENNAKUPPAM AND 26 OTHER HABITATIONS IN K.V. KUPPAM UNION IN VELLORE DISTRICT FOR THE YEAR 2027-2028 (01.04.2027 to 31.03.2028)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure .........., 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 .

Attending Leaks in the PVC/HDPE/DI pipelines (Minor/Circumfrential Leak) 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes

90mm OD PVC 4 KSC pipes

140mm OD PVC 4 KSC pipes

150mm DI K7

200mm DI K7

90 HDPE PN6

Attending the Repair and Renewal works in Submersible Pumpset. (500 lpmX25M) 5HP -1no (Pavalathurai)

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the Repair and Renewal works in Submersible Pumpset. 1. 250 lpmX40M - 7.5HP (2nos) at Badarapallai 2. 350 lpm x 60M -7.5 HP (2nos) at Machanur 3. 630 lpm x 25M -7.5 HP (6nos) at IW 3,4 &5

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the Repair and Renewal works in Submersible Pumpset. 1.660 lpmX 75M - 20HP (2nos) at PK Puram 2. 765 lpm x700M - 20 HP (2nos) at PK Puram

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the Repair and Renewal works in Submersible Pumpset. (1500 lpmX 60M) 40HP

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Head works at Pavalathurai

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and fixing of 100 Amps three phase 500 V 4 pole change over switch

Supply and delivery of 500 Amps porcelain fuse (500v)

Charges for removing the burnt power capacitor and labour charges for fixing the new 2 KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials. (2 KVAR*286=572)

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. (vide separate sheet)

0.30LL capacity of Booster sump at Badarapalli and Machanur

0.50LL capacity of Headworks collection sump at Pavalathurai

0.40LL capacity of Booster sump at PK Puram

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

50mm GM Gate valve

80mm GM Gate valve

R I Sheet

50mm GI Pipe

65mm GI Pipe

80mm GI Pipe

Box type single fluorescent fitting with copper choke and condensor complete with ISI mark - 4 Ft. 40 Watts with ballast (Lower end) Pg.No.191

Annexure for attending the Repair works in DOL Starter (5 HP)

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the Repair works in Star Delta Starter for 7.5HP

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter for 20.00 HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starterfor 40.00 HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO SENJI AND 28 OTHER HABITATIONS IN K.V. KUPPAM UNION IN VELLORE DISTRICT FOR THE YEAR 2027-2028 (01.04.2027 to 31.03.2028)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure .........., 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 .

Attending Leaks in the PVC/HDPE pipelines (Minor/Circumfrential Leak) 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes

75mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

110mm OD PVC 6 KSC pipes

63 HDPE PN6

Attending the Repair and Renewal works in Submersible Pumpset. (390lpmX35M) 5HP

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Head works at Rajathoppu Dam

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and fixing of 100 Amps three phase 500 V 4 pole change over switch

Charges for removing the burnt power capacitor and labour charges for fixing the new 2 KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials. (2 KVAR*286=572)

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. (vide separate sheet)

3.0 LL capacity of sump

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

50mm GM Gate valve

80mm GM Gate valve

R I Sheet

50mm GI Pipe

65mm GI Pipe

80mm GI Pipe

Box type single fluorescent fitting with copper choke and condensor complete with ISI mark - 4 Ft. 40 Watts with ballast (Lower end)

Annexure for attending the Repair works in DOL Starter (5 HP)

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO SETHUVANDAI AND 4 OTHER HABITATIONS IN K.V. KUPPAM UNION IN VELLORE DISTRICT FOR THE YEAR 2027-2028 (01.04.2027 to 31.03.2028)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure .........., 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 .

Attending Leaks in the PVC pipelines (Minor/Circumfrential Leak) 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 directed by the TWAD Board officers.

90mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

140mm OD PVC 4 KSC pipes

160mm OD PVC 4 KSC pipes

Attending the Repair and Renewal works in Submersible Pumpset. (500lpmX54M)15HP

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Head works at Hyderpuram

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and fixing of 100 Amps three phase 500 V 4 pole change over switch

Charges for removing the burnt power capacitor and labour charges for fixing the new 2 KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials. (2 KVAR*286=572)

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.

0.10LL capacity of sump

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

50mm GM Gate valve

80mm GM Gate valve

R I Sheet

80mm GI Pipe

Box type single fluorescent fitting with copper choke and condensor complete with ISI mark - 4 Ft. 40 Watts with ballast (Lower end)

ATTENDING AND REPAIRING OF THREE PHASE PANEL BOARD STAR- DELTA WITH TWO LEVEL GUARD AND AUTO START - 7.5 HP

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

ANNUAL MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO SHOLAMUR AND 25 OTHER HABITATIONS IN K.V. KUPPAM UNION IN VELLORE DISTRICT FOR THE YEAR 2027-2028 (01.04.2027 to 31.03.2028)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure .........., 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 .

Attending Leaks in the PVC/HDPE pipelines (Minor/Circumfrential Leak) 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes

90mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

110mm OD PVC 6 KSC pipes

63 HDPE PN6

75 HDPE PN6

Attending the Repair and Renewal works in Submersible Pumpset. (233 LPMX54M) 7.5HP (2 nos) & 176 LPMX50M) 7.5HP (4nos)

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Head works at Thirumani

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and fixing of 100 Amps three phase 500 V 4 pole change over switch

Charges for removing the burnt power capacitor and labour charges for fixing the new 2 KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials.

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. (vide separate sheet)

0.10LL capacity of sump

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

50mm GM Gate valve

80mm GM Gate valve

R I Sheet

65mm GI Pipe

80mm GI Pipe

Box type single fluorescent fitting with copper choke and condensor complete with ISI mark - 4 Ft. 40 Watts with ballast (Lower end)

Attending the Repair works in 3 Phase Star Delta Starter (7.5 HP)

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

CWSS to Tirupattur 1 No

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries , carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board 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 and electricity. ( 365 Days X 11.72 ML/Day = 4277.8MLD)

Repair & Renewals and Leak & Bursts :

Attending Leaks in HDPE pipelines of this CWSS for the following items,as per the standard procedure including earthworkexcavation,dewatering,removing,relaying,jointing,civil works, cost of materials and all other incidential charges, etc complete within the stipulated time limit as directed by the TWAD Board officers.

160 HDPE 6 KSC Pipes

140 HDPE 6 KSC Pipes

125 HDPE 6 KSC Pipes

110 HDPE 6 KSC Pipes

90 HDPE 6 KSC Pipes

75 HDPE 6 KSC Pipes

63 HDPE 6 KSC Pipes

160 HDPE 8 KSC Pipes

140 HDPE 8 KSC Pipes

125 HDPE 8 KSC Pipes

90 HDPE 8 KSC Pipes

75 HDPE 8 KSC Pipes

110 HDPE 10 KSC Pipes

90 HDPE 10 KSC Pipes

140 HDPE 12.5 KSC Pipes

110 HDPE 12.5 KSC Pipes

75 HDPE 12.5 KSC Pipes

140 HDPE 16 KSC Pipes

125 HDPE 16 KSC Pipes

Attending Joints Leaks in the DI 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 incidential charges, ect complete

300 mm DI K9

250 mm DI K9

150 mm DI K9

100 mm DI K9

400 mm DI K7

300 mm DI K7

250 mm DI K7

200 mm DI K7

150 mm DI K7

100 mm DI K7

Attending leaks using welding works in the DI pipelines damaged by highways, local bodies and etc., 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 incidential charges, etc complete

100mm DI pipes

150mm DI pipes

200mm DI pipes

250mm DI pipes

300mm DI pipes

400mm DI pipes

Attending leaks using clampset works in the DI pipelines damaged by highways, local bodies and etc., 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 incidential charges, etc complete

100mm DI pipes

150mm DI pipes

200mm DI pipes

250mm DI pipes

300mm DI pipes

400mm DI pipes

Pumpsets

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-mechanical items to bring back the scheme / components into normal running conditition as per standard specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.8 of General conditions of Contract Part II etc as directed by TWAD Board officers.

Open well submersible pump sets

Rewinding of motor and reconditioning of pumpset and repair works to 1 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 2 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 3 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 4 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 7.5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 10 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 12.5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 17.5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

HSC Pumpsets

Rewinding of motor and repair works to 20HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 20HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 22.5HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 22.5HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 25HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 25HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 40HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 40HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 45HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 45HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 47.5HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 47.5HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 75HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 75HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Starters

ALUMINIUM CABLE

Supply and delivery of 1.1 KV Grade 3 core 10 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 16 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 25 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3.5 core 185 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 4 Sq.mm flat type PVC insulated copper cable confirming to IS 694/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges (to be laid in between Panel Board to OW Pset at sump through starter) etc.., complete., and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 95 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 6 Sq.mm flat type PVC insulated copper cable confirming to IS 694/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges (to be laid in between Panel Board to OW Pset at sump through starter) etc.., complete., and as directed by the TWAD Board Officers

Supply and delivery of 1.1 KV Grade 3 core 50 Sq.mm PVC insulated and steel armoured Copper cable confirming to IS 694 (PartI)/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 70 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply, delivey and fixing of MOULDED CASE CIRCUIT BREAKER (MCCB) WITH THERMO MAGNETIC RELEASE , Spreader Terminal and Rotary Handle- 4 Pole

Range - 63-100

Range - 125

Range - 160

Range - 250

Range - 400

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

Supply, delivey and fixing 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.

Supply, delivey and fixing of Preventer – Single Phasing - 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 auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Supply, delivey and fixing of FUSE UNITS (ANCHOR /EQUIVALENT)

63 Amps Porcelain fuse unit (500 V)

100 Amps Porcelain fuse unit (500 V)

200 Amps Porcelain fuse unit (500 V)

Supply, delivey and fixing of CHANGE OVER SWITCHES

16 Amps three phase 500 V 4 pole Change over switch

32 Amps three phase 500 V 4 pole Change over switch

63 Amps three phase 500 V 4 pole Change over switch

100 Amps three phase 500 V 4 pole Change over switch

125 A 4 pole Change Over Switch

200 Amps three phase 500 V 4 pole Change over switch

250A 3 phase 4 pole change over switch

Supply, delivey and fixing of PVC INSULATED SINGLE CORE MULTI STRAND FIRE RETARDANT FLEXIBLE COPPER CABLE WITH ISI MARK CONFORMING TO IS

SUPPLY AND DELIVERY OF 150mm dia Pressure Gauge and Vaccum guage including all accessories as per specification

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

SUMP CLEANING

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.

0.15LL to 0.30LL Capacity sumps

0.35LL to 0.45LL Capacity sump

0.50LL to 0.60LL Capacity sump

0.65LL to 0.75LL Capacity sump

0.80LL to 1.00LL Capacity sump

1.05LL to 1.25LL Capacity sump

1.30LL to 1.50LL Capacity sump

1.55LL to 1.75LL Capacity sump

2.05LL to 3.00LL Capacity sump

3.05LL to 6.00LL Capacity sump

6.05LL to 9.00LL Capacity sump

15.00LL to 29.50 LL Capacity of Sump

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Digital Voltmeter 3 phase

Digital Ammeter 3 phase

Supply and delivery of Mechanical Joint collar with necessary rubber insertions , bolts & nuts including , loading & unloading, transporting charges etc., complete at site as per standard specification etc., complete and as directed by the TWAD Board Officers.

Supply and Delivery of DI D/F Gate valves (Soft Seated) resilient seated soft sealing gate valves (sluice valves) with body bonnet of ductile cast iron of grade GGG40 or equivalent grade, wedge fully rubber lined with EPDM, replaceable spindle nut, without gland packing and with 3 O-Ring protection on the shaft and seals of NBR and the valves should be of vaccum tight and 100% leak proof with face to face dimentions as per BS 5163-89/ ISI 14846-2000/ DIN 3202 F 4. All the valves should be with electrostatic powder coating both inside and outside with pocket less straight thro' body passage. All the valves are to be compatible for burried application with pressure rating PN 10/16 etc. complete and as directed by the TWAD Board Officers

250 mm dia DI D/F Gate Valves

200 mm dia DI D/F Gate Valves

150 mm dia DI D/F Gate Valves

100 mm dia DI D/F Gate Valves

80 mm dia DI D/F Gate Valves

50 mm dia DI D/F Gate Valves

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float made of Polytetrafluroethylene / Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu etc. complete and as directed by the TWAD Board Officers

100 mm dia AV in 350 to 500 mm Main

80 mm dia AV in 250 to 300 mm Main

50 mm dia AV in 100 to 200 mm Main

Supply , delivery and fixing of CI Single air valve of size 25 mm dia AV in 63 to 90 mm Main as per IS: 14845/2000 including loading, freight, transit, unloading and stacking them at site etc. complete and as directed by TWAD Board Officers

25 mm dia AV in 63 to 90 mm Main

Supply and delivery of common salt as amended from time to time. The contractor shall supply to the contractor's storage yard / site. The cost includes labour charges for loading, transit insurance, conveyance charges, unloading, processing and handling etc., complete and as directed by TWAD Board officers.Note: Additional quantity should be pumped as per the instructions of the Engineer, if any required.

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 #

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO ARAKONAM TIRUTTANI MUNICIPALITIES IN RANIPET AND THIRUVALLUR DISTRICT FOR THE YEAR 2028-2029

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

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. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

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 2.6.4 of General conditions of Contract - Part II.

300mm Ac Cl 15 pipes (Minor)

200mm Ac Cl 15 pipes (Minor)

300mm Ac Cl 15 pipes coller leak

200mm Ac Cl 15 pipes coller leak

150 mm CI K7 Pipe

63 mm GI PIPE

80MM GI Pipe

125 mm GI pipe

100mm GI pipe

HSC PUMPSETS

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of in the motor of 3334lpm x 57 m (60HP)Centrifugal pumpset at Athipattu H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete

Rewinding of burnout coil of the motor of 2084lpm x 39 m(40HP) Centrifugal pumpset at Winterpet Booster including cost of all material, labour, removing, conveyance and re-erection etc., complete

Reparing and reconditioning pump of 564 lpm x 24 m 5HP- Open well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 564 lpm x 24 m 7.5HP- Open well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 2084 lpm x 39 m 30HP- Centrifugal pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete

COPPER CABLE

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

Supply and delivery of 100 Amps porcelain fuse (500v)

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, sodium hypochlorite solution, common salt 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.

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.

2.0 LL capacity of sump

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

Bulbs ( LED / Tube / Incandescent / others)

7.5 HP Starter

CHEMICALS (bleaching powder)

CWSS TO BHEL INDUSTRIAL COMPLEX

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 2.6.4 of General conditions of Contract - Part II.

110mm PVC 4 ksc pipes (Minor)

140mm PVC 4 KSC Pipes(Minor)

200mm DI /K7 pipes(Minor)

250mm DI pipes(Minor)

250mm CI pipes(Minor)

600mm CI pipes(Minor)

60mm GI pipes

45mm GI pipes

90mm PVC pipes(Minor)

45mm PVC pipes(Minor)

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of in the motor of 3623lpm x 26 m (60HP)Centrifugal pumpset at Thengal H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete

Rewinding of burnout coil of the motor of 2577lpm x17 m(15HP) Open well submersible pumpset at Thengal HW including cost of all material, labour, removing, conveyance and re-erection etc., complete

Reparing and reconditioning pump of 500Lpm x 25 m (7.5HP) m 5HP- Bore well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 500Lpm x 25 m (5HP) m 5HP- Bore well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Head works atThengal

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

15 HP 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.

20 LL Capacity sump

CHEMICALS (bleaching powder)

CWSS TO BHEL Way side Villages in Ranipet distric

110mm PVC 4 ksc pipes (Minor)

140mm PVC 4 KSC Pipes(Minor)

60mm GI pipes(Minor)

45mm GI pipes

90mm PVC pipes(Minor)

45mm PVC pipes(Minor)

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Reparing and reconditioning pump of 270Lpm x 255m (7.5HP) m 5HP- Bore well submersible pumpset at Sump at Navloc including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 250Lpm x 40 m (5HP) m 5HP- Bore well submersible pumpset at Sump at Narasingapuram including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Rewinding of burnout coil of the motor of 1200LPM x 34 M (20HP) Open well Submersible pumpset H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete

Head works

Cleaning of Sump at headworks and booster 1 LL cap.

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

15 HP Starter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO KALAVAI TOWN PANCHAYAT AND 3 OTHER HABITATIONS IN SORAIYUR PANCHAYAT IN THIMIRI UNION IN ARCOT UNION RANIPET DISTRICT FOR THE YEAR 2028-2029

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

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. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

Attending Leaks in the PSC/AC 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 directed by the TWAD Board officers.

350mm PSC Cl 15 pipes (Minor)

250mm Ac Cl 15 pipes (Minor)

Attending Leaks in the PVC 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 directed by the TWAD Board officers.

140mm OD PVC 4Ksc Pipes(Minor)

110mm OD PVC 4Ksc Pipes(Minor)

90mm OD PVC 4Ksc Pipes(Minor)

300MM AC Pipes(Minor)

300 mm MS Pipes(Minor)

125 mm GI pipe(Minor)

100mm GI pipe(Minor)

HSC Pumpsets

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Reparing and reconditioning pump of 715 lpm x 16 m 5HP- submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 185 lpm x 46 m 5HP- Open well submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 436lpm x 18m Head 20HP- Open well submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 800LPM X 16M Head 7.5HP- Open well submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 420LPM X 40M Head 7.5HP- Open well submersible pumpset at Headworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

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.

2.0 LL capacity of sump

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

Bulbs ( LED / Tube / Incandescent / others)

choke

7.5 HP Starter

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

80mm GI Pipe

CHEMICALS (bleaching powder)

CWSS TO Sathur and 12 other Habitations

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 2.6.4 of General conditions of Contract - Part II.

110mm PVC 4 ksc pipes (Minor)

140mm PVC 4 KSC Pipes(Minor)

90mm OD PVC 4Ksc Pipes(Minor)

75mm OD PVC 4Ksc Pipes(Minor)

150mm AC CL 15 Pipes(Minor)

200mm AC CL 15 Pipes(Minor)

180mm HDPE PN 6 Pipes(Minor)

90mm HDPE PN 6 Pipes(Minor)

75mm HDPE PN 6 Pipes(Minor)

63mm HDPE PN 6 Pipes(Minor)

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of the motor of 1200lpm x40 m(20HP) Open well submersible pumpset at HW including cost of all material, labour, removing, conveyance and re-erection etc., complete

Reparing and reconditioning pump of 600Lpm x 24 m (7.5HP) - Bore well submersible pumpset at Heaworks including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 304Lpm x 32 m (5HP) - Bore well submersible pumpset at Booster including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 406Lpm x 32 m (5HP) - Bore well submersible pumpset at Booster including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Head works

Cleaning of Sump at headworks and booster 50000 lit cap.

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to ISS 1554.) 3core x50sqmm

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

15 HP Starter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO VEPPUR & 5 OTHER HABITATIONS IN ARCOT UNION RANIPET DISTRICT FOR THE YEAR 2028-2029

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

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. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I) (304 daysX0.21)=63.84

Attending Leaks in the PVC 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 directed by the TWAD Board officers.

90mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

160mm OD PVC 4 KSC pipes

150mm AC CL 15 Pipes(Minor)

100mm GI pipes

100mm DI pipes(Minor)

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 2.8 of General conditions of Contract Part II.B74

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of in the motor of 500lpm x 50 m (10HP) Submersible pumpset at River Palar nera Veppur including cost of all material, labour, removing, conveyance and re-erection etc., complete

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

10 HP Starter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO SUMAITHANGI & 13 OTHER HABITATIONS IN WALAJAH UNION IN RANIPET DISTRICT FOR THE YEAR 2028-2029

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

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. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

Attending Leaks in the PVC 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes

75mm OD PVC 4 KSC pipes

90mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

140mm OD PVC 4 KSC pipes

160mm OD PVC 4 KSC pipes

100mm GI Pipe

Rewinding of Motors 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 2.8 of General conditions of Contract Part II.

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of the motor of 15 hp Submersible pumpset at River Palar nera Athipattu including cost of all material, labour, removing, conveyance and re-erection etc., complete

Supplying and laying of PVC insulated and PVC sheathed steel armoured cable with aluminium conductor of following size to be laid (conforming to IS7098/Rm. I/1988) 3core x50sqmm

Supply and delivery of the following Electrical Works : consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO KADAPERI & 7 OTHER HABITATIONS IN WALAJAH UNION IN RANIPET DISTRICT FOR THE YEAR 2028-2029

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

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 2.6.4 of General conditions of Contract - Part II.

50mm OD PVC 4 KSC pipes (Minor)

63mm OD PVC 4 KSC pipes (Minor)

75mm OD PVC 4 KSC pipes (Minor)

110mm OD PVC 4 KSC pipes (Minor)

140mm OD PVC 4 KSC pipes (Minor)

160mm OD PVC 4 KSC pipes (Minor)

160mm OD PVC 6 KSC pipes (Minor)

100mm DI Pipe (Minor)

Open Well Submersible Pump Set

Rewinding of Motors 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of stator in the motor of 466pm x 67 m 10 HP Submerssible pumpset at Athipattu - Sumaithangi H.W including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Supply , delivery and fixing of single phase preventer should protect the motor against single phasing, reverse phasing and unbalance supply

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and delivery of the following Electrical Works : consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

CHEMICALS (bleaching powder)

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO VANAPADI & 14 OTHER HABITATIONS IN WALAJAH UNION IN RANIPET DISTRICT FOR THE YEAR 2028-2029

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

Attending Leaks in the PSC/AC 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 directed by the TWAD Board officers.

200mm AC CL 15 pipes Coller leak(Minor)

250mm AC CL 15 pipes Coller Leak(Minor)

200mm AC CL 15 pipes( Minor)

250mm AC CL 15 pipes ( Minor)

Attending Leaks in the PVC 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes ( Minor)

90mm OD PVC 4 KSC pipes ( Minor)

110mm OD PVC 4 KSC pipes ( Minor)

140mm OD PVC 4 KSC pipes ( Minor)

Repair & Renewals and Leak & Bursts :

Attending Leaks in the HDPE 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 directed by the TWAD Board officers.

200 HDPE PN 6 Pipes

160 HDPE PN 6 Pipes

125 HDPE PN 6 Pipes

110 HDPE PN 6 Pipes

90 HDPE PN 6 Pipes

75 HDPE PN 6 Pipes

63 HDPE PN 6 Pipes

Open Well Submersible Pump Set

Rewinding of Motors in pumping stations 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 2.8 of General conditions of Contract Part II.

Rewinding of burnout coil of in the motor of 1600lpm x 50 m (30HP)Centrifugal pumpset at Sump including cost of all material, labour, removing, conveyance and re-erection etc., complete

Rewinding of burnout coil of the motor of 500lpm x 40 m(7.5HP) Submersible pumpset at Gugayanallur including cost of all material, labour, removing, conveyance and re-erection etc., complete

Reparing and reconditioning pump of 800 lpm x 20 m 7.5HP- submersible pumpset at Thakkampalayam including cost of all material, labour, removing, conveyance and re-erection etc., complete - OW - 1

Reparing and reconditioning pump of 500 lpm x 18 m 5HP- Submersible pumpset at Gugayanallur including cost of all material, labour, removing, conveyance and re-erection etc., complete

Supply and delivery of L.T. CABLES 70 sq mm 3.0 CORE 1.1 KV GRADE Armoured Aluminium Conductor croos linked Polyethylene insulated PVC Shethedcables confirming to IS 7098 (PART I)/1988 with ISI marking.

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.

0.50 LL capacity of sump .

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Volt Meter

Ammeter

Bulbs ( LED / Tube / Incandescent / others)

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

80mm GI Pipe

CHEMICALS (bleaching powder)

Annual Maintanance estimate for CWSS to Sembedu and 88 other habitations in Kaveripakkam, Sholinghur & Arakkonam Union of Ranipet District near Tiruparkadal of Palar River for the year 2028-29

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

Repair & Renewals and Leak & Bursts :

Attending Leaks in the HDPE 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 directed by the TWAD Board officers.

280 HDPE PN 6 Pipes

250 HDPE PN 6 Pipes

225 HDPE PN 6 Pipes

200 HDPE PN 6 Pipes

160 HDPE PN 6 Pipes

140 HDPE PN 6 Pipes

125 HDPE PN 6 Pipes

110 HDPE PN 6 Pipes

90 HDPE PN 6 Pipes

75 HDPE PN 6 Pipes

63 HDPE PN 6 Pipes

Attending joint Leaks in the DI 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

300 mm DI K7

Attending leaks using welding works in the DI pipelines damaged by highways, local bodies and etc., 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

300mm DI pipes

Attending leaks using clampset works in the DI pipelines damaged by highways, local bodies and etc., 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

300mm DI pipes

Starters

ALUMINIUM CABLE

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3.5 core 10 Sq.mm conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3.5 core 16 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3.5 core 25 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 4 Sq.mm flat type PVC insulated copper cable confirming to IS 694/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges (to be laid in between Panel Board to OW Pset at sump through starter) etc.., complete., and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3.5 core 70 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3 core 10Sq.mm flat type PVC insulated copper cable confirming to IS 694/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges (to be laid in between Panel Board to OW Pset at sump through starter) etc.., complete., and as directed by the TWAD Board Officers

Supply and delivery of 1.1 KV Grade 3 core 25 Sq.mm insulated and steel armoured Copper cable confirming to IS 694 (PartI)/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 1.1 KV Grade 3 core 35 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply, delivey and fixing of MOULDED CASE CIRCUIT BREAKER (MCCB) WITH THERMO MAGNETIC RELEASE - 4 Pole-with Rotary handle and Spreades terminal

Range - 32-100 63A/100A

Range - 125

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

Supply, delivey and fixing 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.

Supply, delivey and fixing of Preventer – Single Phasing - 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 auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Supply, delivey and fixing of FUSE UNITS (ANCHOR /EQUIVALENT)

63 Amps Porcelain fuse unit (500 V)

100 Amps Porcelain fuse unit (500 V)

200 Amps Porcelain fuse unit (500 V)

Supply, delivey and fixing of CHANGE OVER SWITCHES

16 Amps three phase 500 V 4 pole Change over switch

32 Amps three phase 500 V 4 pole Change over switch

63 Amps three phase 500 V 4 pole Change over switch

100 Amps three phase 500 V 4 pole Change over switch

125 A 4 pole Change Over Switch

250A 3 phase 4 pole change over switch

SUPPLY AND DELIVERY OF 150mm dia Pressure Gauge and Vaccum guage including all accessories as per specification

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

SUMP CLEANING

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.

0.25LL to 0.35LL Capacity sumps

0.40 to 0.60LL, Capacity sump

0.65,LL to 1.05LL Capacity sump

1.20LL to 2.50LL Capacity sump

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Voltmeter- Three Phase Class 1-AC

d 96 mm X 96 mm Three Phase Ammeter Class 1-1A

Supply and delivery of Mechanical Joint collar with necessary rubber insertions , bolts & nuts including , loading & unloading, transporting charges etc., complete at site as per standard specification etc., complete and as directed by the TWAD Board Officers.

Supply and Delivery of DI D/F Gate valves (Soft Seated) resilient seated soft sealing gate valves (sluice valves) with body bonnet of ductile cast iron of grade GGG40 or equivalent grade, wedge fully rubber lined with EPDM, replaceable spindle nut, without gland packing and with 3 O-Ring protection on the shaft and seals of NBR and the valves should be of vaccum tight and 100% leak proof with face to face dimentions as per BS 5163-89/ ISI 14846-2000/ DIN 3202 F 4. All the valves should be with electrostatic powder coating both inside and outside with pocket less straight thro' body passage. All the valves are to be compatible for burried application with pressure rating PN 10/16 etc. complete and as directed by the TWAD Board Officers

250 mm dia DI D/F Gate Valves

200 mm dia DI D/F Gate Valves

150 mm dia DI D/F Gate Valves

100 mm dia DI D/F Gate Valves

80 mm dia DI D/F Gate Valves

50 mm dia DI D/F Gate Valves

Supply and delivery of CI Single air valve as per IS: 14845/2000

80 mm dia AV in 250 to 300 mm Main

50 mm dia AV in 100 to 200 mm Main

25 mm dia AV in 63 to 90 mm Main

Supply and delivery of common salt as amended from time to time. The contractor shall supply to the contractor's storage yard / site. The cost includes labour charges for loading, transit insurance, conveyance charges, unloading, processing and handling etc., complete and as directed by TWAD Board officers.Note: Additional quantity should be pumped as per the instructions of the Engineer, if any required.

Open Well Submersible Pump Set

Rewinding of motor and reconditioning of pumpset and repair works to 1 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 2 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 3 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 4 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 7.5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

HSC Pumpsets

Rewinding of motor and reconditioning of pumpset and repair works to 20HP centrifugal HSC Motor Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 40HP centrifugal HSC Motor Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

CHEMICALS (bleaching powder)

CWSS to Vellore 4 Nos

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO CHENNAKUPPAM AND 26 OTHER HABITATIONS IN K.V. KUPPAM UNION IN VELLORE DISTRICT FOR THE YEAR 2028-2029 (01.04.2028 to 31.03.2029)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure .........., 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 .

Attending Leaks in the PVC/HDPE/DI pipelines (Minor/Circumfrential Leak) 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes

90mm OD PVC 4 KSC pipes

140mm OD PVC 4 KSC pipes

150mm DI K7

200mm DI K7

90 HDPE PN6

Attending the Repair and Renewal works in Submersible Pumpset. (500 lpmX25M) 5HP -1no

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the Repair and Renewal works in Submersible Pumpset. 1. 250 lpmX40M - 7.5HP (2nos) at Badarapallai 2. 350 lpm x 60M -7.5 HP (2nos) at Machanur 3. 630 lpm x 25M -7.5 HP (6nos) at IW 3,4 &5

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the Repair and Renewal works in Submersible Pumpset. 1.660 lpmX 75M - 20HP (2nos) at PK Puram 2. 765 lpm x700M - 20 HP (2nos) at PK Puram

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the Repair and Renewal works in Submersible Pumpset. (1500 lpmX 60M) 40HP

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Head works at Pavalathurai

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and fixing of 100 Amps three phase 500 V 4 pole change over switch

Supply and delivery of 500 Amps porcelain fuse (500v)

Charges for removing the burnt power capacitor and labour charges for fixing the new 2 KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials. (2 KVAR*286=572)

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. (vide separate sheet)

0.30LL capacity of Booster sump at Badarapalli and Machanur

0.50LL capacity of Headworks collection sump at Pavalathurai

0.40LL capacity of Booster sump at PK Puram

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

50mm GM Gate valve

80mm GM Gate valve

R I Sheet

50mm GI Pipe

65mm GI Pipe

80mm GI Pipe

Box type single fluorescent fitting with copper choke and condensor complete with ISI mark - 4 Ft. 40 Watts with ballast (Lower end) Pg.No.191

Annexure for attending the Repair works in DOL Starter (5 HP)

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the Repair works in Star Delta Starter for 7.5HP

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter for 20.00 HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starterfor 40.00 HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO SENJI AND 28 OTHER HABITATIONS IN K.V. KUPPAM UNION IN VELLORE DISTRICT FOR THE YEAR 2028-2029 (01.04.2028 to 31.03.2029)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure , 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 .

Attending Leaks in the PVC/HDPE pipelines (Minor/Circumfrential Leak) 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes

75mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

110mm OD PVC 6 KSC pipes

63 HDPE PN6

Attending the Repair and Renewal works in Submersible Pumpset. (390lpmX35M) 5HP

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Head works at Rajathoppu Dam

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and fixing of 100 Amps three phase 500 V 4 pole change over switch

Charges for removing the burnt power capacitor and labour charges for fixing the new 2 KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials. (2 KVAR*286=572)

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. (vide separate sheet)

3.0 LL capacity of sump

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

50mm GM Gate valve

80mm GM Gate valve

R I Sheet

50mm GI Pipe

65mm GI Pipe

80mm GI Pipe

Box type single fluorescent fitting with copper choke and condensor complete with ISI mark - 4 Ft. 40 Watts with ballast (Lower end)

Annexure for attending the Repair works in DOL Starter (5 HP)

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

THE OPERATION AND MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO SETHUVANDAI AND 4 OTHER HABITATIONS IN K.V. KUPPAM UNION IN VELLORE DISTRICT FOR THE YEAR 2028-2029 (01.04.2028 to 31.03.2029)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure .........., 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 .

Attending Leaks in the PVC pipelines (Minor/Circumfrential Leak) 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 directed by the TWAD Board officers.

90mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

140mm OD PVC 4 KSC pipes

160mm OD PVC 4 KSC pipes

Attending the Repair and Renewal works in Submersible Pumpset. (500lpmX54M)15HP

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Head works at Hyderpuram

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and fixing of 100 Amps three phase 500 V 4 pole change over switch

Charges for removing the burnt power capacitor and labour charges for fixing the new 2 KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials. (2 KVAR*286=572)

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.

0.10LL capacity of sump

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

50mm GM Gate valve

80mm GM Gate valve

R I Sheet

80mm GI Pipe

Box type single fluorescent fitting with copper choke and condensor complete with ISI mark - 4 Ft. 40 Watts with ballast (Lower end)

ATTENDING AND REPAIRING OF THREE PHASE PANEL BOARD STAR- DELTA WITH TWO LEVEL GUARD AND AUTO START - 7.5 HP

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

ANNUAL MAINTENANCE ESTIMATE FOR COMBINED WATER SUPPLY SCHEME TO SHOLAMUR AND 25 OTHER HABITATIONS IN K.V. KUPPAM UNION IN VELLORE DISTRICT FOR THE YEAR 2028-2029 (01.04.2028 to 31.03.2029)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all schemee components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure .........., 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 .

Attending Leaks in the PVC/HDPE pipelines (Minor/Circumfrential Leak) 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 directed by the TWAD Board officers.

63mm OD PVC 4 KSC pipes

90mm OD PVC 4 KSC pipes

110mm OD PVC 4 KSC pipes

110mm OD PVC 6 KSC pipes

63 HDPE PN6

75 HDPE PN6

Attending the Repair and Renewal works in Submersible Pumpset. (233 LPMX54M) 7.5HP (2 nos) & 176 LPMX50M) 7.5HP (4nos)

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

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

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

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

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

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Head works at Thirumani

Supply and delivery of 100 Amps porcelain fuse (500v)

Supply and fixing of 100 Amps three phase 500 V 4 pole change over switch

Charges for removing the burnt power capacitor and labour charges for fixing the new 2 KVAR capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials.

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. (vide separate sheet)

0.10LL capacity of sump

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

50mm GM Gate valve

80mm GM Gate valve

R I Sheet

65mm GI Pipe

80mm GI Pipe

Box type single fluorescent fitting with copper choke and condensor complete with ISI mark - 4 Ft. 40 Watts with ballast (Lower end)

Attending the Repair works in 3 Phase Star Delta Starter (7.5 HP)

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

CWSS to Tirupattur 1 No

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries , carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board 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 and electricity. ( 365 Days X 11.82 ML/Day = 4314.3 MLD)

Repair & Renewals and Leak & Bursts :

Attending Leaks in HDPE pipelines of this CWSS for the following items,as per the standard procedure including earthworkexcavation,dewatering,removing,relaying,jointing,civil works, cost of materials and all other incidential charges, etc complete within the stipulated time limit as directed by the TWAD Board officers.

160 HDPE 6 KSC Pipes

140 HDPE 6 KSC Pipes

125 HDPE 6 KSC Pipes

110 HDPE 6 KSC Pipes

90 HDPE 6 KSC Pipes

75 HDPE 6 KSC Pipes

63 HDPE 6 KSC Pipes

160 HDPE 8 KSC Pipes

140 HDPE 8 KSC Pipes

125 HDPE 8 KSC Pipes

90 HDPE 8 KSC Pipes

75 HDPE 8 KSC Pipes

110 HDPE 10 KSC Pipes

90 HDPE 10 KSC Pipes

140 HDPE 12.5 KSC Pipes

110 HDPE 12.5 KSC Pipes

75 HDPE 12.5 KSC Pipes

140 HDPE 16 KSC Pipes

125 HDPE 16 KSC Pipes

Attending Joints Leaks in the DI 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 incidential charges, ect complete

300 mm DI K9

250 mm DI K9

150 mm DI K9

100 mm DI K9

400 mm DI K7

300 mm DI K7

250 mm DI K7

200 mm DI K7

150 mm DI K7

100 mm DI K7

Attending leaks using welding works in the DI pipelines damaged by highways, local bodies and etc., 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 incidential charges, etc complete

100mm DI pipes

150mm DI pipes

200mm DI pipes

250mm DI pipes

300mm DI pipes

400mm DI pipes

Attending leaks using clampset works in the DI pipelines damaged by highways, local bodies and etc., 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 incidential charges, etc complete

100mm DI pipes

150mm DI pipes

200mm DI pipes

250mm DI pipes

300mm DI pipes

400mm DI pipes

Pumpsets

Carrying out the following repair works occuring during the maintenance period in the Electrical, Mechanical and Elctro-mechanical items to bring back the scheme / components into normal running conditition as per standard specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.8 of General conditions of Contract Part II etc as directed by TWAD Board officers.

Open well submersible pump sets

Rewinding of motor and reconditioning of pumpset and repair works to 1 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 2 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 3 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 4 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 7.5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 10 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 12.5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pumpset and repair works to 17.5 HP Open Well Submersible Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of Submersible pumpset etc., complete and as directed by the TWAD Board Officers

HSC Pumpsets

Rewinding of motor and repair works to 20HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 20HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 22.5HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 22.5HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 25HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 25HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 40HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 40HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 45HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 45HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 47.5HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 47.5HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Rewinding of motor and repair works to 75HP centrifugal HSC Motor including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of motor etc., complete and as directed by the TWAD Board Officers

Rewinding of reconditioning of pumpset and repair works to 75HP centrifugal HSC Pump Set including cost of rewinding, bearing, bush, shaft and impeller sleeve, conveyance, labour charges for removing and re-erection of pumpset etc., complete and as directed by the TWAD Board Officers

Starters

ALUMINIUM CABLE

Supply and delivery of 1.1 KV Grade 3 core 10 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 16 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 25 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3.5 core 185 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 4 Sq.mm flat type PVC insulated copper cable confirming to IS 694/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges (to be laid in between Panel Board to OW Pset at sump through starter) etc.., complete., and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 95 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 6 Sq.mm flat type PVC insulated copper cable confirming to IS 694/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges (to be laid in between Panel Board to OW Pset at sump through starter) etc.., complete., and as directed by the TWAD Board Officers

Supply and delivery of 1.1 KV Grade 3 core 50 Sq.mm PVC insulated and steel armoured Copper cable confirming to IS 694 (PartI)/1990 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply and delivery of 1.1 KV Grade 3 core 70 Sq.mm armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (part I)/1988 with ISI marking to receive supply including cost of loading, freight, transit, insurance, incidental charges, packing, unloading and handling charges etc. complete and as directed by the TWAD Board Officers.

Supply, delivey and fixing of MOULDED CASE CIRCUIT BREAKER (MCCB) WITH THERMO MAGNETIC RELEASE , Spreader Terminal and Rotary Handle- 4 Pole

Range - 63-100

Range - 125

Range - 160

Range - 250

Range - 400

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

Supply, delivey and fixing 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.

Supply, delivey and fixing of Preventer – Single Phasing - 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 auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Supply, delivey and fixing of FUSE UNITS (ANCHOR /EQUIVALENT)

63 Amps Porcelain fuse unit (500 V)

100 Amps Porcelain fuse unit (500 V)

200 Amps Porcelain fuse unit (500 V)

Supply, delivey and fixing of CHANGE OVER SWITCHES

16 Amps three phase 500 V 4 pole Change over switch

32 Amps three phase 500 V 4 pole Change over switch

63 Amps three phase 500 V 4 pole Change over switch

100 Amps three phase 500 V 4 pole Change over switch

125 A 4 pole Change Over Switch

200 Amps three phase 500 V 4 pole Change over switch

250A 3 phase 4 pole change over switch

Supply, delivey and fixing of PVC INSULATED SINGLE CORE MULTI STRAND FIRE RETARDANT FLEXIBLE COPPER CABLE WITH ISI MARK CONFORMING TO IS

SUPPLY AND DELIVERY OF 150mm dia Pressure Gauge and Vaccum guage including all accessories as per specification

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

SUMP CLEANING

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.

0.15LL to 0.30LL Capacity sumps

0.35LL to 0.45LL Capacity sump

0.50LL to 0.60LL Capacity sump

0.65LL to 0.75LL Capacity sump

0.80LL to 1.00LL Capacity sump

1.05LL to 1.25LL Capacity sump

1.30LL to 1.50LL Capacity sump

1.55LL to 1.75LL Capacity sump

2.05LL to 3.00LL Capacity sump

3.05LL to 6.00LL Capacity sump

6.05LL to 9.00LL Capacity sump

15.00LL to 29.50 LL Capacity of Sump

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

Digital Voltmeter 3 phase

Digital Ammeter 3 phase

Supply and delivery of Mechanical Joint collar with necessary rubber insertions , bolts & nuts including , loading & unloading, transporting charges etc., complete at site as per standard specification etc., complete and as directed by the TWAD Board Officers.

Supply and Delivery of DI D/F Gate valves (Soft Seated) resilient seated soft sealing gate valves (sluice valves) with body bonnet of ductile cast iron of grade GGG40 or equivalent grade, wedge fully rubber lined with EPDM, replaceable spindle nut, without gland packing and with 3 O-Ring protection on the shaft and seals of NBR and the valves should be of vaccum tight and 100% leak proof with face to face dimentions as per BS 5163-89/ ISI 14846-2000/ DIN 3202 F 4. All the valves should be with electrostatic powder coating both inside and outside with pocket less straight thro' body passage. All the valves are to be compatible for burried application with pressure rating PN 10/16 etc. complete and as directed by the TWAD Board Officers

250 mm dia DI D/F Gate Valves

200 mm dia DI D/F Gate Valves

150 mm dia DI D/F Gate Valves

100 mm dia DI D/F Gate Valves

80 mm dia DI D/F Gate Valves

50 mm dia DI D/F Gate Valves

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float made of Polytetrafluroethylene / Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu etc. complete and as directed by the TWAD Board Officers

100 mm dia AV in 350 to 500 mm Main

80 mm dia AV in 250 to 300 mm Main

50 mm dia AV in 100 to 200 mm Main

Supply , delivery and fixing of CI Single air valve of size 25 mm dia AV in 63 to 90 mm Main as per IS: 14845/2000 including loading, freight, transit, unloading and stacking them at site etc. complete and as directed by TWAD Board Officers

25 mm dia AV in 63 to 90 mm Main

Supply and delivery of common salt as amended from time to time. The contractor shall supply to the contractor's storage yard / site. The cost includes labour charges for loading, transit insurance, conveyance charges, unloading, processing and handling etc., complete and as directed by TWAD Board officers.Note: Additional quantity should be pumped as per the instructions of the Engineer, if any required.

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