Operation and Maintenance of 12 Nos of CWSS under Maintenance Division Namakkal in Namakkal District Package 3 2nd Call

Amount

12 Nos of CWSS in Namakkal Districts under Maintenance Division, Namakkal

Operation and maintenance of CWSS to 94 FAH and 75 wayside Habitations in Elachipalayam, Mallasamudram and Paramathy Union in Namakkal District including repairs, rectification works and supply of Chemicals for three years for the period from 01.11.2023 to 31.3.2026 (2023-2026).

Operation and maintenance of CWSS to VC&RI, Erumaipatty RTP and 64 Rural Habitations in Mohanur and Namakkal Union in Namakkal District including repairs, rectification works and supply of Chemicals for three years for the period from 01.11.2023 to 31.3.2026 (2023-2026).

Operation and Maintenance of CWSS to Auto Nagar and 37 Rural Habitations in Mohanur and Namakkal Union in Namakkal District including repairs, rectification works and supply of Chemicals for three years for the period from 01.11.2023 to 31.3.2026 (2023-2026).

Operation and Maintenance of CWSS to 90 Rural Habitations in Namakkal District including repairs, rectification works and supply of Chemicals for three years for the period from 01.11.2023 to 31.3.2026 (2023-2026).

Operation and Maintenance of CWSS to 2 Tps and 318 Rural Habitations in Namakkal District including repairs, rectification works and supply of Chemicals for three years for the period from 01.11.2023 to 31.3.2026 (2023-2026).

Operation and Maintenance of CWSS to 4 Tps and 1081 Rural Habitations in Namakkal District including repairs, rectification works and supply of Chemicals for three years for the period from 01.11.2023 to 31.3.2026 (2023-2026).

Operation and Maintenance of CWSS to 35 Rural Habitations in Kabilarmalai Union in Namakkal District including repairs, rectification works and supply of Chemicals for three years for the period from 01.11.2023 to 31.3.2026 (2023-2026).

Operation and Maintenance of CWSS to R.Pudupalayam and 29 other Rural Habitations in Paramathy Union in Namakkal District including repairs, rectification works and supply of Chemicals for three years for the period from 01.11.2023 to 31.3.2026 (2023-2026).

Operation and Maintenance of CWSS to Karuppampalayam and 15 other Rural Habitations in Kabilarmalai Union in Namakkal District including repairs, rectification works and supply of Chemicals for three years for the period from 01.11.2023 to 31.3.2026 (2023-2026).

Operation and Maintenance of CWSS to Vettuvampalayam and 15 other Rural Habitations in Kabilarmalai Union in Namakkal District including repairs, rectification works and supply of Chemicals for three years for the period from 01.11.2023 to 31.3.2026 (2023-2026).

Operation and Maintenance of CWSS to Alampalayam Town Panchayat and 90 Rural Habitations in Tiruchengode and Pallipalayam Union in Namakkal District for a Period from 01.11.2023 to 31.03.2026

Operation and Maintenance of CWSS to Kaliyanur Agraharam including Padaiveedu RTP and 255 Rural Habitations in Tiruchengode and Pallipalayam Union in Namakkal District for a Period from 01.11.2023 to 31.03.2026

Description of Work / Item(s)

Amount

CWSS to Karuppampalayam and 15 other Rural Habitations in Kabilarmalai Union in Namakkal District

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 Part - IV of Technical Bid, carrying out the O&M as per standard operating procedures, Acts and rules in force etc., complete and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair in pipes and specials and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure and Electricity charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Repair and Renewals For a period from 01.11.2023 to 31.03.2024

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

150mm AC pipes - 0.5m MS cut barrel

150mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

125mm AC pipes Collar Joint

150mm AC pipes Collar Joint

150mm AC pipes - 0.5m MS cut barrel

150mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion

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

30000 Liters capacity of sump

Labour charges for rewinding the following capacity of openwell submersible pumpset with new PVC insulated copper wire incl.removal of burnout coil,servicing the motor,replacing of bush,bearings shaftetc

for 20 HP Open well submersible pumpset - 1 No

Labour charges for dismantling the motor by removing end covers and removing the pump impeller, casing etc.,

Removing the old burnt winding cleaning the stamping and damaged slots and rewinding with new PVC insulated copper wire and after adjusting the olkd scrap material.

Removing the worn out thrust bearing, supply and fixing of new thrust plate and bearing circlip completely after adjusting the old scrap material.

Removing the damaged motor bush bearing supply and fixing of new bearing after adjusting the old scrap material

Damaged motor shaft meachininig it to match the new bush bearing after adjusted the old scrap materials

Removing the damaged oil seal,providing new one after adjusting the old scrap mater.

Removing the wornout pump sleeves, supply and fixing of stainless steel sleeves after adjusting the old scrap material

Supply, delivery and fixing of impeller after deducting the old scrap material

motor rotor including cost of soft turning and grinding polishing ect

Supply and fixing of gun dmetal casing bushes after adjusting the old scrap material

Charges for Lathe work for Motor and pump shaft grinding,removing the old bush machining and fixing new bush, sleeve, Turning, Boring, Grinding, Polishing including labour charges ect complete

Reassembling the pumpset impeller casing and painting, testing with running conditions.

for 7.5 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of new impeller cost deducting the old scrap materials values

Supply and fixing of oil seal.

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 5 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 3 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

Supply and Delivery ,fixing of starter spares of various ranges etc complete

For 3 HP

For 5 HP

For 7.50 HP

For 20 HP

Repair and Renewals For a period from 01.04.2024 to 31.03.2025

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

150mm AC pipes - 0.5m MS cut barrel

150mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

125mm AC pipes Collar Joint

150mm AC pipes Collar Joint

150mm AC pipes - 0.5m MS cut barrel

150mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion

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

30000 Liters capacity of sump

Labour charges for rewinding the following capacity of openwell submersible pumpset with new PVC insulated copper wire incl.removal of burnout coil,servicing the motor,replacing of bush,bearings shaftetc

for 20 HP Open well submersible pumpset - 1 No

Labour charges for dismantling the motor by removing end covers and removing the pump impeller, casing etc.,

Removing the old burnt winding cleaning the stamping and damaged slots and rewinding with new PVC insulated copper wire and after adjusting the olkd scrap material.

Removing the worn out thrust bearing, supply and fixing of new thrust plate and bearing circlip completely after adjusting the old scrap material.

Removing the damaged motor bush bearing supply and fixing of new bearing after adjusting the old scrap material

Damaged motor shaft meachininig it to match the new bush bearing after adjusted the old scrap materials

Removing the damaged oil seal,providing new one after adjusting the old scrap mater.

Removing the wornout pump sleeves, supply and fixing of stainless steel sleeves after adjusting the old scrap material

Supply, delivery and fixing of impeller after deducting the old scrap material

motor rotor including cost of soft turning and grinding polishing ect

Supply and fixing of gun dmetal casing bushes after adjusting the old scrap material

Charges for Lathe work for Motor and pump shaft grinding,removing the old bush machining and fixing new bush, sleeve, Turning, Boring, Grinding, Polishing including labour charges ect complete

Reassembling the pumpset impeller casing and painting, testing with running conditions.

for 7.5 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of new impeller cost deducting the old scrap materials values

Supply and fixing of oil seal.

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 5 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 3 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

Supply and Delivery ,fixing of starter spares of various ranges etc complete

For 3 HP

For 5 HP

For 7.50 HP

For 20 HP

Repair and Renewals For a period from 01.04.2025 to 31.03.2026

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

150mm AC pipes - 0.5m MS cut barrel

150mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

125mm AC pipes Collar Joint

150mm AC pipes Collar Joint

150mm AC pipes - 0.5m MS cut barrel

150mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion

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

30000 Liters capacity of sump

Labour charges for rewinding the following capacity of openwell submersible pumpset with new PVC insulated copper wire incl.removal of burnout coil,servicing the motor,replacing of bush,bearings shaftetc

for 20 HP Open well submersible pumpset - 1 No

Labour charges for dismantling the motor by removing end covers and removing the pump impeller, casing etc.,

Removing the old burnt winding cleaning the stamping and damaged slots and rewinding with new PVC insulated copper wire and after adjusting the olkd scrap material.

Removing the worn out thrust bearing, supply and fixing of new thrust plate and bearing circlip completely after adjusting the old scrap material.

Removing the damaged motor bush bearing supply and fixing of new bearing after adjusting the old scrap material

Damaged motor shaft meachininig it to match the new bush bearing after adjusted the old scrap materials

Removing the damaged oil seal,providing new one after adjusting the old scrap mater.

Removing the wornout pump sleeves, supply and fixing of stainless steel sleeves after adjusting the old scrap material

Supply, delivery and fixing of impeller after deducting the old scrap material

motor rotor including cost of soft turning and grinding polishing ect

Supply and fixing of gun dmetal casing bushes after adjusting the old scrap material

Charges for Lathe work for Motor and pump shaft grinding,removing the old bush machining and fixing new bush, sleeve, Turning, Boring, Grinding, Polishing including labour charges ect complete

Reassembling the pumpset impeller casing and painting, testing with running conditions.

for 7.5 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of new impeller cost deducting the old scrap materials values

Supply and fixing of oil seal.

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 5 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 3 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

Supply and Delivery ,fixing of starter spares of various ranges etc complete

For 3 HP

For 5 HP

For 7.50 HP

For 20 HP

Chemicals

Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Description of Work / Item(s)

Amount

CWSS to Vettuvampalayam and 15 other Rural Habitations in Kabilarmalai Union in Namakkal District

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 Part - IV of Technical Bid, carrying out the O&M as per standard operating procedures, Acts and rules in force etc., complete and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair in pipes and specials and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure and Electricity charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Repair and Renewals For a period from 01.11.2023 to 31.03.2024

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 6 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 6 KSC pipes - 1m

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

60000 Liters capacity of sump

Labour charges for rewinding the following capacity of openwell submersible pumpset with new PVC insulated copper wire incl.removal of burnout coil,servicing the motor,replacing of bush,bearings shaftetc

for 5 HP Open well submersible pumpset - 2 Nos

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 3 HP Open well submersible pumpset

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

Repair and Renewals of Electrical Spares and Transformers

Supply and delivery of following capacities of electro magnetic contactors of suitable capacity in AC three phase rating conforming to IS / IEC 60947

Supply and fixing of following directly operated bimetallic thermal over load relay with manual and auto reset model.

Supply and delivery of following power capacitor

1 KVR Capacitor

2 KVR Capacitor

Supply and delivery of 32 Amps, MCB ISOLATORS 10 KA, 3 pole, miniature circuit breaker (Higher End).

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 and fixing of S.R 65 size Analog Ammeter.

Supply and fixing of S.R 65 size Analog Voltmeter ( 600 V) A.C

Supply and fixing of 20 Watts 4 feet LED fitting with LED.

Supply and fixing of 30 Watts LED out door street light fitting with LED.

Supply and delivery of 2.5 sq.mm PVC insulated and sheathed 3 core flat type copper cable conforming to IS 694/ 1990.

Supply and delivery of 150 mm dia pressure Gauge and caccum guage including all accessories as per specification (For suction and delivery to be mounted on wall on teak wlld Board)

50mm GM Gate valve

50mm GI Flange set

Supply and delivery of 50mm GI pipe (medium)

Supply and delivery of 50mm GI Equal Elbow plain.

Supply and delivery of 50mm M.S Clampset.

Supply and Delivery ,fixing of starter spares of various ranges etc complete

Repair and Renewals For a period from 01.04.2024 to 31.03.2025

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 6 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 6 KSC pipes - 1m

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

60000 Liters capacity of sump

Labour charges for rewinding the following capacity of openwell submersible pumpset with new PVC insulated copper wire incl.removal of burnout coil,servicing the motor,replacing of bush,bearings shaftetc

for 5 HP Open well submersible pumpset - 2 Nos

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 3 HP Open well submersible pumpset

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

Repair and Renewals of Electrical Spares and Transformers

Supply and delivery of following capacities of electro magnetic contactors of suitable capacity in AC three phase rating conforming to IS / IEC 60947

Supply and fixing of following directly operated bimetallic thermal over load relay with manual and auto reset model.

Supply and delivery of following power capacitor

1 KVR Capacitor

2 KVR Capacitor

Supply and delivery of 32 Amps, MCB ISOLATORS 10 KA, 3 pole, miniature circuit breaker (Higher End).

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 and fixing of S.R 65 size Analog Ammeter.

Supply and fixing of S.R 65 size Analog Voltmeter ( 600 V) A.C

Supply and fixing of 20 Watts 4 feet LED fitting with LED.

Supply and fixing of 30 Watts LED out door street light fitting with LED.

Supply and delivery of 2.5 sq.mm PVC insulated and sheathed 3 core flat type copper cable conforming to IS 694/ 1990.

Supply and delivery of 150 mm dia pressure Gauge and caccum guage including all accessories as per specification (For suction and delivery to be mounted on wall on teak wlld Board)

50mm GM Gate valve

50mm GI Flange set

Supply and delivery of 50mm GI pipe (medium)

Supply and delivery of 50mm GI Equal Elbow plain.

Supply and delivery of 50mm M.S Clampset.

Supply and Delivery ,fixing of starter spares of various ranges etc complete

Repair and Renewals For a period from 01.04.2025 to 31.03.2026

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 6 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 6 KSC pipes - 1m

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

60000 Liters capacity of sump

Labour charges for rewinding the following capacity of openwell submersible pumpset with new PVC insulated copper wire incl.removal of burnout coil,servicing the motor,replacing of bush,bearings shaftetc

for 5 HP Open well submersible pumpset - 2 Nos

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 3 HP Open well submersible pumpset

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

Repair and Renewals of Electrical Spares and Transformers

Supply and delivery of following capacities of electro magnetic contactors of suitable capacity in AC three phase rating conforming to IS / IEC 60947

Supply and fixing of following directly operated bimetallic thermal over load relay with manual and auto reset model.

Supply and delivery of following power capacitor

1 KVR Capacitor

2 KVR Capacitor

Supply and delivery of 32 Amps, MCB ISOLATORS 10 KA, 3 pole, miniature circuit breaker (Higher End).

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 and fixing of S.R 65 size Analog Ammeter.

Supply and fixing of S.R 65 size Analog Voltmeter ( 600 V) A.C

Supply and fixing of 20 Watts 4 feet LED fitting with LED.

Supply and fixing of 30 Watts LED out door street light fitting with LED.

Supply and delivery of 2.5 sq.mm PVC insulated and sheathed 3 core flat type copper cable conforming to IS 694/ 1990.

Supply and delivery of 150 mm dia pressure Gauge and caccum guage including all accessories as per specification (For suction and delivery to be mounted on wall on teak wlld Board)

50mm GM Gate valve

50mm GI Flange set

Supply and delivery of 50mm GI pipe (medium)

Supply and delivery of 50mm GI Equal Elbow plain.

Supply and delivery of 50mm M.S Clampset.

Supply and Delivery ,fixing of starter spares of various ranges etc complete

Chemicals

Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Description of Work / Item(s)

Amount

CWSS to Alampalayam Town Panchayat and 90 Rural Habitations in Tiruchengode and Pallipalayam Union in Namakkal District

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 Part - IV of Technical Bid, carrying out the O&M as per standard operating procedures, Acts and rules in force etc., complete and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair in pipes and specials and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure and Electricity charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Repair and Renewals For a period from 01.11.2023 to 31.03.2024

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 2.2.6 of General conditions of Contract Part II.

Rewinding of burnout coil of stator in the motor of vertical turbine -squirrel cage Induction Motor at Avathipalayam HW including cost of all material, labour, removing, conveyance and re-erection etc., complete.

60 HP VT Motor

Charges for Removing the 60HP VT motor from bed assembly dismantling top pump alignment lock nut locking key locking screw rat chat with ball and disconnecting motor power cable from the terminal board, lifting the motor using chain block unit.

Charges for dismantling rotor with bearing locking nut and motor top cover with DE side bearing, starter body and removing the rotor and NDE side bearing etc, from work shop using pulley block.

Charges for cleaning the stator winding with petrol wash and removing the crease moisture in the winding by keeping the stator and rotor in the oven for 8 hours winding using Dr. Beck insulation varnish 2 times.

Rewinding of 60 HP Vertical type motor stator coil using copper ''F'' class double enameled wire and ''F'' class double insulated paper for phase and core completely insulating the winding wire by 2 coat of Dr. Beck insulating varnish and metal varnish for dust proof insulating the motor winding outside by apply 2 coats of metal varnish. burnout for original design of S1 duty motor (After deducting the old scraps materials)

Charges for supply and machining of bearing housing seating sleeve (CI metal) and fixing boring with riming etc, suitable for bearing size. After deducting the old scraps materials.

Supply and delivery of motor top taper angular contact bearing 7316 BMP ( Heavy duty imported bearing) after deducting the old scraps materials.

Supply and delivery of motor Bottom 6211/C3 bearing (Heavy duty imported bearing) after deducting the old scraps materials.

Charges for fabricated and machining of motor rotor lock nut after deducting the old scraps materials.

Labour charges for grovel test the rotor including cost of metal filling, apply for warmish painting the rotor etc.,

Supply and fixing of terminal plate (copper bolt and nuts) after deducting the old scraps materials.

Charges for assembling of motor bottom cover, stator (coil) body, fixing of top cover and rotor alignment setting of free rotating the rotor grease cup etc., charges re-assembling the 60 HP vertical turbine motor from the bed assembly and alignment free rotating rotor and clearance setting the pump impeller position, and terminal plate connection for panel cable and starter cable etc., including of load testing with Lpm measuring and finally apply painting and commissioning.

60 HP Vertical Turbine Pump

Charges for dismantling the motor stool and pulley head, oil seal, flexible bushes and bolt & nuts, etc.,

Charges for dismantling of discharge TEE, bed from the main pipe line.

Charges for dismantling the column pipe, spider, line shaft, gun metal bearings, line shaft bearings, column pipes removing one by one with proper tools arrangements, etc.

Dismantling of pump complete assembly for top casing, bowls, impellers pump shaft, bottom and suction casing, collar, impeller sleeve etc,. At workshop.

Charges for cleaning of all column pipes, bowls discharge ''T'' and motor stool complete by scraping with wire brash and applying two coats of anti-corrosive black paint including cost of paint and labour with tools, etc,.

Charges for reconditioning of stuffing box by welding, machining, threaded drilled to hole and providing graphite packing rope.

Supply and delivery of impeller lacking bush (after deducting the old scraps ,materials.)

Charges for reconditioning the line shaft, Head Shaft and impeller shaft by cleaning in threaded portion, removing of bend by hydraulic pressing and checking alignment in the lathe work shop, etc.

Charges for cleaning of bowl and reconditioning the worn-out area metal filling for specials electrodes welding and machining,etc. after deducting the old scraps materials.

supply delivery of Unbroken HT bolt and nuts with washer after deducting the old scraps materials.

Supply delivery of Oil gasket.

Charges for assembling of pump shaft, impeller, bowel, bush bearing, checking alignment painting, testing etc, complete, at workshop.

Charges for assembling of column pipe, line shaft, head shaft, line shaft bearing, spider, pump assembly etc, complete.

Charges for fixing the top base stool with base frame, and fixing motor with stool, head shaft coupling connecting & fixing discharge tee with pumping main stuffing box, gland, packing rope assembling and alignment and commissioning successfully to working conditions etc complete.

Rewinding of the following HSC pumpset's (Squirrel gauge Induction Motor) with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

270 HP HSC Motor

Charges for Disconnecting the 270HP motor stator terminal connection and other control cables, including removing the tire coupling set coupling, lifting the motor from the base frame to the control panel floor level and loading the motor in the truck using chain block to the pump house site including transporting the motor from pump house to workshop site.

Charges for dismantling the motor at workshop by removing the end covers, worn out bearings, bearing housing, rotor assembly and removing the burnt wires in the stator coil by special tools and etc.

Charges for complete rewinding of stator core by new high grade copper wire inside the slot, each layer by layer "F" class paper covered by insulation properly seating the winding inside the slot and not came out in the centrifugal action applying high quality Dr.Beg air drying insulating varnish for protect the winding from moisture and connecting windings to the motor terminals by providing new flexible copper leads and fixing terminal plate with new bolts & Nuts, checking winding resistance, IR value of stator core complete the rate.( after adjusted the old scrap wires etc.)

Charges for reconditioning the rotor shaft and bearing seating portion, metal filling by welding and machining to match the bearing the lathe works and finally dynamic balancing of the rotor assembly complete.

Supply, delivery and fixing DE side NU 320 C3 Roller bearing (after adjusted the old scrap materials)

Supply, delivery and fixing NDE side 6320 C3 Ball bearing (after adjusted the old scrap materials)

Charges for assembling the motor by inserting the rotor assembly into the stator core with proper arrangements and seating the bearings carefully by special tool arrangements, in the end covers and fixing the motor body, terminal board connecting the winding leads etc.

Removing the 400 Sqmm 3.5 core sewing damaged cable socket supply and fixing of new aluminum cable socket 6 Nos, using crimping tools insulation material etc.

Charges for reassembling of motor bend assembly and bend folds and Re-erection, checking assignment and commissions including Transport charges workshop to pump hose for pump house

Re fixing the 270 HP Jothi make HSC Motor in the bed Assembly, new tire coupling and providing cable connection to VFD Stator testing and commissioning as directed by the TWAD Board officers

Charges for Pump House 270HP motor Loading and unloading using 14 Ton Mobile crane etc complete.

supply, delivery and fixing of F 120 tire coupling with 12 mm bolt and nut sets (after adjusted the old scrap) materials.( Spare-1No)

Repair and Renewals For a period from 01.04.2024 to 31.03.2025

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 2.2.6 of General conditions of Contract Part II.

Rewinding of burnout coil of stator in the motor of vertical turbine -squirrel cage Induction Motor at Avathipalayam HW including cost of all material, labour, removing, conveyance and re-erection etc., complete.

60 HP VT Motor

Charges for Removing the 60HP VT motor from bed assembly dismantling top pump alignment lock nut locking key locking screw rat chat with ball and disconnecting motor power cable from the terminal board, lifting the motor using chain block unit.

Charges for dismantling rotor with bearing locking nut and motor top cover with DE side bearing, starter body and removing the rotor and NDE side bearing etc, from work shop using pulley block.

Charges for cleaning the stator winding with petrol wash and removing the crease moisture in the winding by keeping the stator and rotor in the oven for 8 hours winding using Dr. Beck insulation varnish 2 times.

Rewinding of 60 HP Vertical type motor stator coil using copper ''F'' class double enameled wire and ''F'' class double insulated paper for phase and core completely insulating the winding wire by 2 coat of Dr. Beck insulating varnish and metal varnish for dust proof insulating the motor winding outside by apply 2 coats of metal varnish. burnout for original design of S1 duty motor (After deducting the old scraps materials)

Charges for supply and machining of bearing housing seating sleeve (CI metal) and fixing boring with riming etc, suitable for bearing size. After deducting the old scraps materials.

Supply and delivery of motor top taper angular contact bearing 7316 BMP ( Heavy duty imported bearing) after deducting the old scraps materials.

Supply and delivery of motor Bottom 6211/C3 bearing (Heavy duty imported bearing) after deducting the old scraps materials.

Charges for fabricated and machining of motor rotor lock nut after deducting the old scraps materials.

Labour charges for grovel test the rotor including cost of metal filling, apply for warmish painting the rotor etc.,

Supply and fixing of terminal plate (copper bolt and nuts) after deducting the old scraps materials.

Charges for assembling of motor bottom cover, stator (coil) body, fixing of top cover and rotor alignment setting of free rotating the rotor grease cup etc., charges re-assembling the 60 HP vertical turbine motor from the bed assembly and alignment free rotating rotor and clearance setting the pump impeller position, and terminal plate connection for panel cable and starter cable etc., including of load testing with Lpm measuring and finally apply painting and commissioning.

60 HP Vertical Turbine Pump

Charges for dismantling the motor stool and pulley head, oil seal, flexible bushes and bolt & nuts, etc.,

Charges for dismantling of discharge TEE, bed from the main pipe line.

Charges for dismantling the column pipe, spider, line shaft, gun metal bearings, line shaft bearings, column pipes removing one by one with proper tools arrangements, etc.

Dismantling of pump complete assembly for top casing, bowls, impellers pump shaft, bottom and suction casing, collar, impeller sleeve etc,. At workshop.

Charges for cleaning of all column pipes, bowls discharge ''T'' and motor stool complete by scraping with wire brash and applying two coats of anti-corrosive black paint including cost of paint and labour with tools, etc,.

Charges for reconditioning of stuffing box by welding, machining, threaded drilled to hole and providing graphite packing rope.

Supply and delivery of impeller lacking bush (after deducting the old scraps ,materials.)

Charges for reconditioning the line shaft, Head Shaft and impeller shaft by cleaning in threaded portion, removing of bend by hydraulic pressing and checking alignment in the lathe work shop, etc.

Charges for cleaning of bowl and reconditioning the worn-out area metal filling for specials electrodes welding and machining,etc. after deducting the old scraps materials.

supply delivery of Unbroken HT bolt and nuts with washer after deducting the old scraps materials.

Supply delivery of Oil gasket.

Charges for assembling of pump shaft, impeller, bowel, bush bearing, checking alignment painting, testing etc, complete, at workshop.

Charges for assembling of column pipe, line shaft, head shaft, line shaft bearing, spider, pump assembly etc, complete.

Charges for fixing the top base stool with base frame, and fixing motor with stool, head shaft coupling connecting & fixing discharge tee with pumping main stuffing box, gland, packing rope assembling and alignment and commissioning successfully to working conditions etc complete.

Rewinding of the following HSC pumpset's (Squirrel gauge Induction Motor) with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

270 HP HSC Motor

Charges for Disconnecting the 270HP motor stator terminal connection and other control cables, including removing the tire coupling set coupling, lifting the motor from the base frame to the control panel floor level and loading the motor in the truck using chain block to the pump house site including transporting the motor from pump house to workshop site.

Charges for dismantling the motor at workshop by removing the end covers, worn out bearings, bearing housing, rotor assembly and removing the burnt wires in the stator coil by special tools and etc.

Charges for complete rewinding of stator core by new high grade copper wire inside the slot, each layer by layer "F" class paper covered by insulation properly seating the winding inside the slot and not came out in the centrifugal action applying high quality Dr.Beg air drying insulating varnish for protect the winding from moisture and connecting windings to the motor terminals by providing new flexible copper leads and fixing terminal plate with new bolts & Nuts, checking winding resistance, IR value of stator core complete the rate.( after adjusted the old scrap wires etc.)

Charges for reconditioning the rotor shaft and bearing seating portion, metal filling by welding and machining to match the bearing the lathe works and finally dynamic balancing of the rotor assembly complete.

Supply, delivery and fixing DE side NU 320 C3 Roller bearing (after adjusted the old scrap materials)

Supply, delivery and fixing NDE side 6320 C3 Ball bearing (after adjusted the old scrap materials)

Charges for assembling the motor by inserting the rotor assembly into the stator core with proper arrangements and seating the bearings carefully by special tool arrangements, in the end covers and fixing the motor body, terminal board connecting the winding leads etc.

Removing the 400 Sqmm 3.5 core sewing damaged cable socket supply and fixing of new aluminum cable socket 6 Nos, using crimping tools insulation material etc.

Charges for reassembling of motor bend assembly and bend folds and Re-erection, checking assignment and commissions including Transport charges workshop to pump hose for pump house

Re fixing the 270 HP Jothi make HSC Motor in the bed Assembly, new tire coupling and providing cable connection to VFD Stator testing and commissioning as directed by the TWAD Board officers

Charges for Pump House 270HP motor Loading and unloading using 14 Ton Mobile crane etc complete.

supply, delivery and fixing of F 120 tire coupling with 12 mm bolt and nut sets (after adjusted the old scrap) materials.( Spare-1No)

Repair and Renewals For a period from 01.04.2025 to 31.03.2026

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 2.2.6 of General conditions of Contract Part II.

Rewinding of burnout coil of stator in the motor of vertical turbine -squirrel cage Induction Motor at Avathipalayam HW including cost of all material, labour, removing, conveyance and re-erection etc., complete.

60 HP VT Motor

Charges for Removing the 60HP VT motor from bed assembly dismantling top pump alignment lock nut locking key locking screw rat chat with ball and disconnecting motor power cable from the terminal board, lifting the motor using chain block unit.

Charges for dismantling rotor with bearing locking nut and motor top cover with DE side bearing, starter body and removing the rotor and NDE side bearing etc, from work shop using pulley block.

Charges for cleaning the stator winding with petrol wash and removing the crease moisture in the winding by keeping the stator and rotor in the oven for 8 hours winding using Dr. Beck insulation varnish 2 times.

Rewinding of 60 HP Vertical type motor stator coil using copper ''F'' class double enameled wire and ''F'' class double insulated paper for phase and core completely insulating the winding wire by 2 coat of Dr. Beck insulating varnish and metal varnish for dust proof insulating the motor winding outside by apply 2 coats of metal varnish. burnout for original design of S1 duty motor (After deducting the old scraps materials)

Charges for supply and machining of bearing housing seating sleeve (CI metal) and fixing boring with riming etc, suitable for bearing size. After deducting the old scraps materials.

Supply and delivery of motor top taper angular contact bearing 7316 BMP ( Heavy duty imported bearing) after deducting the old scraps materials.

Supply and delivery of motor Bottom 6211/C3 bearing (Heavy duty imported bearing) after deducting the old scraps materials.

Charges for fabricated and machining of motor rotor lock nut after deducting the old scraps materials.

Labour charges for grovel test the rotor including cost of metal filling, apply for warmish painting the rotor etc.,

Supply and fixing of terminal plate (copper bolt and nuts) after deducting the old scraps materials.

Charges for assembling of motor bottom cover, stator (coil) body, fixing of top cover and rotor alignment setting of free rotating the rotor grease cup etc., charges re-assembling the 60 HP vertical turbine motor from the bed assembly and alignment free rotating rotor and clearance setting the pump impeller position, and terminal plate connection for panel cable and starter cable etc., including of load testing with Lpm measuring and finally apply painting and commissioning.

60 HP Vertical Turbine Pump

Charges for dismantling the motor stool and pulley head, oil seal, flexible bushes and bolt & nuts, etc.,

Charges for dismantling of discharge TEE, bed from the main pipe line.

Charges for dismantling the column pipe, spider, line shaft, gun metal bearings, line shaft bearings, column pipes removing one by one with proper tools arrangements, etc.

Dismantling of pump complete assembly for top casing, bowls, impellers pump shaft, bottom and suction casing, collar, impeller sleeve etc,. At workshop.

Charges for cleaning of all column pipes, bowls discharge ''T'' and motor stool complete by scraping with wire brash and applying two coats of anti-corrosive black paint including cost of paint and labour with tools, etc,.

Charges for reconditioning of stuffing box by welding, machining, threaded drilled to hole and providing graphite packing rope.

Supply and delivery of impeller lacking bush (after deducting the old scraps ,materials.)

Charges for reconditioning the line shaft, Head Shaft and impeller shaft by cleaning in threaded portion, removing of bend by hydraulic pressing and checking alignment in the lathe work shop, etc.

Charges for cleaning of bowl and reconditioning the worn-out area metal filling for specials electrodes welding and machining,etc. after deducting the old scraps materials.

supply delivery of Unbroken HT bolt and nuts with washer after deducting the old scraps materials.

Supply delivery of Oil gasket.

Charges for assembling of pump shaft, impeller, bowel, bush bearing, checking alignment painting, testing etc, complete, at workshop.

Charges for assembling of column pipe, line shaft, head shaft, line shaft bearing, spider, pump assembly etc, complete.

Charges for fixing the top base stool with base frame, and fixing motor with stool, head shaft coupling connecting & fixing discharge tee with pumping main stuffing box, gland, packing rope assembling and alignment and commissioning successfully to working conditions etc complete.

Rewinding of the following HSC pumpset's (Squirrel gauge Induction Motor) with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

270 HP HSC Motor

Charges for Disconnecting the 270HP motor stator terminal connection and other control cables, including removing the tire coupling set coupling, lifting the motor from the base frame to the control panel floor level and loading the motor in the truck using chain block to the pump house site including transporting the motor from pump house to workshop site.

Charges for dismantling the motor at workshop by removing the end covers, worn out bearings, bearing housing, rotor assembly and removing the burnt wires in the stator coil by special tools and etc.

Charges for complete rewinding of stator core by new high grade copper wire inside the slot, each layer by layer "F" class paper covered by insulation properly seating the winding inside the slot and not came out in the centrifugal action applying high quality Dr.Beg air drying insulating varnish for protect the winding from moisture and connecting windings to the motor terminals by providing new flexible copper leads and fixing terminal plate with new bolts & Nuts, checking winding resistance, IR value of stator core complete the rate.( after adjusted the old scrap wires etc.)

Charges for reconditioning the rotor shaft and bearing seating portion, metal filling by welding and machining to match the bearing the lathe works and finally dynamic balancing of the rotor assembly complete.

Supply, delivery and fixing DE side NU 320 C3 Roller bearing (after adjusted the old scrap materials)

Supply, delivery and fixing NDE side 6320 C3 Ball bearing (after adjusted the old scrap materials)

Charges for assembling the motor by inserting the rotor assembly into the stator core with proper arrangements and seating the bearings carefully by special tool arrangements, in the end covers and fixing the motor body, terminal board connecting the winding leads etc.

Removing the 400 Sqmm 3.5 core sewing damaged cable socket supply and fixing of new aluminum cable socket 6 Nos, using crimping tools insulation material etc.

Charges for reassembling of motor bend assembly and bend folds and Re-erection, checking assignment and commissions including Transport charges workshop to pump hose for pump house

Re fixing the 270 HP Jothi make HSC Motor in the bed Assembly, new tire coupling and providing cable connection to VFD Stator testing and commissioning as directed by the TWAD Board officers

Charges for Pump House 270HP motor Loading and unloading using 14 Ton Mobile crane etc complete.

supply, delivery and fixing of F 120 tire coupling with 12 mm bolt and nut sets (after adjusted the old scrap) materials.( Spare-1No)

Chemicals

Supply and delivery of Alum (Sulphate of Alumino Ferric) required for Water Treatment Plants confirming to IS specification 299/ 1980 and as amended from time to time for delivery at anywhere in Coimbatore District including loading, freight, unloading, transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Supply and delivery of Liquid Chlorine as per IS Specification (with Chlorine 99.8%, Moisture, Na2O3, Hydrogen and Carbondioxide are to be nil) required for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Description of Work / Item(s)

Amount

CWSS to Kaliyanur Agraharam including Padaiveedu RTP and 255 Rural Habitations in Tiruchengode and Pallipalayam Union in Namakkal District

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 Part - IV of Technical Bid, carrying out the O&M as per standard operating procedures, Acts and rules in force etc., complete and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair in pipes and specials and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure and Electricity charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Repair and Renewals For a period from 01.11.2023 to 31.03.2024

Repairs and Renewals of Electro Mechanical Equipments

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 2.2.6 of General conditions of Contract Part II.

Rewinding of burnout coil of stator in the motor of vertical turbine -squirrel cage Induction Motor at Avathipalayam HW including cost of all material, labour, removing, conveyance and re-erection etc., complete.

35 HP Vertical Turbine Pump

Labour charges for Removing the cable connections, removing the motor from the base removing the vertical turbine pump column pipes line shafts,couplings and 1 stage bowel assembly form the collection well.

Supply of stainless steel 304 grade (Non magnetic) line shaft length 1-5 meter OD 30mm (including Threading,checking of Alignment).

Supply of stainless steel 304 grade(Non magnetic) head shafts length 1.750 Meter,OD 30mm

Supply of EN 3 Steel line shaft coupling size OD 50mm x ID 30mm, Length 200mm,(including inner Threading and Air hole)

Supply of EN 3 Steel line shaft coupling size OD 50mm x ID 39mm, Length 200mm,(including inner Threading and Air hole)

Supply and delivery of stainless steel 304 grade (Non Magnetic) 1 Stage impeller shaft length 1.200 meter x 60mm OD (including,threading,key split ring cutting, circlip, cutting,checking of alignment)

Supply and delivery of 62mm OD, 50 mm ID, 1.5 meter length seamless shaft encloding tube with doubnle side mm thread.(with nend, checking).

Supply and delivery of 36mm ID x 50mm ID, 100mm length MM thread phosphor bronze line shaft bearing.

Supply and delivery of 230 volt solenoid coil 1 litre stainless steel lubricator box with stainless steel ball valve & nylon tube etc.

Supply and delivery of 100mm OD, 63mm ID length 100mm phenol costing (CI and sililcon materials) send coller, Rate inclusinve of cutting, machining, threading providing hole, with locking screw etc.

Suupply and delivery of phosphor bronze impeller seal ring ID 185mm &OD 205mm inclusive machining shaping with locking screw etc.

Supply and delivery of Neoprene Rubber for 200MM PIPE guide spider with 3 legs Bush.

Supply and delivery of impeller locking coller sleeve.

Supply and dellivery of phospher bronze metal bowl bearing ID 60mm X OD 70mm length 210mm (including tuning and machine & finishing).

Supply and suction and delivery case phosphor bronze beating ID60mm X OD 70mm length 210mm.

Supply and delivery of twine type stainless 304 grade strainer of suitable 300m OD size with bolt and nuts.

Supply and delivery of bowl studs (16 nos) 12 mm X 65 mm with washers (steel material mm thread)

Supply and delivery of case studs 12mm size with washers (Steel material mm thread)

Supply and delivery of stuffing box studs 12mm (Steel material mm thread)

Supply and delivery of stuffing box rope gland pigeon casting CI and silicon materials rate inclusinve of threading, machinining, shaping etc.

Impeller heating and brazing with phosphor bronze wherever impeeler thickness reduced and damaged part inclidng materials cost heating process etc complete.

Fininshing of impeller by shaping the impeller vanes and dia, key slot cutting in CNC lathe and balancing the impeller complete.

Charges for impeller Dynamic balancing for Avoid Vibration of Pumps

Supply of fire ply sheet for pumps.

Suuply and delilvery of 20 W 40 lubricating oil for (VT Oil lubricated Pumps).

Charges for (1) bowl assembly work, in bowl bush (ii) suction case bearing (iii) and delivery case bearing seating area tuning, finishing and seating the bowl suction case & delivery case bearing and tuning the current size match OD of pump shaft and locking the bearings etc.

Supply of Anticorrosive Black Paint for column pipes bowl assembly, base frame etc.

Labour charges for removing rust of column pipe bowl assembly, base frame before applying two coats of anti-Corrosive black paint etc.

Reassembling the pump impeller and bowl assembly and reerection of the column pipes line shafts and motor giving cable connections, testing and commissioning of pump set and transport charges (vice versa).

Rewinding of the following HSC pumpset's (Squirrel gauge Induction Motor) with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

100 HP HSC Pumpset (Squirrel gauge Induction Motor)

Removing pump from the bed in the booster station conveyed to work shop

Rewinding of 100 HP Squiral Gauge motor with high quality insulation ISI enamel copper wire in standard specifications after removing the burnt coil from the motor after deducting the cost of old coil.

Supply of Bearing SKF N 316 DE side

Supply of Bearing SKF N 6314 DE side

Lathe work of motor cover DE and NDE costing sleeve turning and Grainding charge

Lathe work of Rotor Shaft Welding and grainding charge

Supply and Delivery of Terminal Board

Supply, Delivery and fixing of pully pin type coupling set after adjusting old scrap materials

RE-erecting the Motor in the Sump, testing and commissioning.

Supply and delivery of 3Core, 1.1KV 150 sq.mm LT cable - 51 M

Labour charge for removing the following HSC pump top cover and dismandling the rotating assembly including removal of bearing, locknut, shaft sleeves, impeller neck ring, bush coller etc., replacing of all wornout spares, reconditioning of pump

100 HP HSC Pump

Dismantling and removing the top cover of pump, removing the impeller shaft and all other rotating damaged and worn out materials from the rotating assemble.

Supply and fixing of New Phosphor Bronze shaft sleeve after adjusted the old scrap material.

Supply and fixing of impeller shield Ring Phosphor Bronze after adjusted the old scrap material.

Supply and fixing of Rope Gland with stud after adjusted the old scrap material.

Supply, delivery anf fixing impeller lock nut after adjust the old scrap material

Supply, delivery and fixing of stuffing box bush Phosphor Bronze after adjust the old scrap material

Supply delivery and fixing of pump bearings for DE side N 309 after adjusted the old scrap material.

Supply, delivery and fixing of pump bearings for DE side 6309/C3

Reconditioning the pump shaft by welding the machining by grinding the bearing seating area in the pump shaft to suit new bearing for drive end and non drive end side.

Supply and fixing lock ring coupling pin copper tube with brass nipple for water colling arrangement after adjusting old scraps

Charges for providing pump DE & NDE side bearing housing sleeve in CI material to connect the bearing seating area to rectify the loose condition.

Charges for the bed alignment commissioning lead lift, tools and Zero-Zero accuracy and painting etc complete

Supply of fixing New Bronze impeller.

Repair and Renewals For a period from 01.04.2024 to 31.03.2025

Repairs and Renewals of Electro Mechanical Equipments

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

Rewinding of burnout coil of stator in the motor of vertical turbine -squirrel cage Induction Motor at Avathipalayam HW including cost of all material, labour, removing, conveyance and re-erection etc., complete.

35 HP Vertical Turbine Motor / Pump

Labour charges for Removing the cable connections, removing the motor from the base removing the vertical turbine pump column pipes line shafts,couplings and 1 stage bowel assembly form the collection well.

Supply of stainless steel 304 grade (Non magnetic) line shaft length 1-5 meter OD 30mm (including Threading,checking of Alignment).

Supply of stainless steel 304 grade(Non magnetic) head shafts length 1.750 Meter,OD 30mm

Supply of EN 3 Steel line shaft coupling size OD 50mm x ID 30mm, Length 200mm,(including inner Threading and Air hole)

Supply of EN 3 Steel line shaft coupling size OD 50mm x ID 39mm, Length 200mm,(including inner Threading and Air hole)

Supply and delivery of stainless steel 304 grade (Non Magnetic) 1 Stage impeller shaft length 1.200 meter x 60mm OD (including,threading,key split ring cutting, circlip, cutting,checking of alignment)

Supply and delivery of 62mm OD, 50 mm ID, 1.5 meter length seamless shaft encloding tube with doubnle side mm thread.(with nend, checking).

Supply and delivery of 36mm ID x 50mm ID, 100mm length MM thread phosphor bronze line shaft bearing.

Supply and delivery of 230 volt solenoid coil 1 litre stainless steel lubricator box with stainless steel ball valve & nylon tube etc.

Supply and delivery of 100mm OD, 63mm ID length 100mm phenol costing (CI and sililcon materials) send coller, Rate inclusinve of cutting, machining, threading providing hole, with locking screw etc.

Suupply and delivery of phosphor bronze impeller seal ring ID 185mm &OD 205mm inclusive machining shaping with locking screw etc.

Supply and delivery of Neoprene Rubber for 200MM PIPE guide spider with 3 legs Bush.

Supply and delivery of impeller locking coller sleeve.

Supply and dellivery of phospher bronze metal bowl bearing ID 60mm X OD 70mm length 210mm (including tuning and machine & finishing).

Supply and suction and delivery case phosphor bronze beating ID60mm X OD 70mm length 210mm.

Supply and delivery of twine type stainless 304 grade strainer of suitable 300m OD size with bolt and nuts.

Supply and delivery of bowl studs (16 nos) 12 mm X 65 mm with washers (steel material mm thread)

Supply and delivery of case studs 12mm size with washers (Steel material mm thread)

Supply and delivery of stuffing box studs 12mm (Steel material mm thread)

Supply and delivery of stuffing box rope gland pigeon casting CI and silicon materials rate inclusinve of threading, machinining, shaping etc.

Impeller heating and brazing with phosphor bronze wherever impeeler thickness reduced and damaged part inclidng materials cost heating process etc complete.

Fininshing of impeller by shaping the impeller vanes and dia, key slot cutting in CNC lathe and balancing the impeller complete.

Charges for impeller Dynamic balancing for Avoid Vibration of Pumps

Supply of fire ply sheet for pumps.

Suuply and delilvery of 20 W 40 lubricating oil for (VT Oil lubricated Pumps).

Charges for (1) bowl assembly work, in bowl bush (ii) suction case bearing (iii) and delivery case bearing seating area tuning, finishing and seating the bowl suction case & delivery case bearing and tuning the current size match OD of pump shaft and locking the bearings etc.

Supply of Anticorrosive Black Paint for column pipes bowl assembly, base frame etc.

Labour charges for removing rust of column pipe bowl assembly, base frame before applying two coats of anti-Corrosive black paint etc.

Reassembling the pump impeller and bowl assembly and reerection of the column pipes line shafts and motor giving cable connections, testing and commissioning of pump set and transport charges (vice versa).

Rewinding of the following HSC pumpset's (Squirrel gauge Induction Motor) with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

100 HP HSC Pumpset (Squirrel gauge Induction Motor)

Removing pump from the bed in the booster station conveyed to work shop

Rewinding of 100 HP Squiral Gauge motor with high quality insulation ISI enamel copper wire in standard specifications after removing the burnt coil from the motor after deducting the cost of old coil.

Supply of Bearing SKF N 316 DE side

Supply of Bearing SKF N 6314 DE side

Lathe work of motor cover DE and NDE costing sleeve turning and Grainding charge

Lathe work of Rotor Shaft Welding and grainding charge

Supply and Delivery of Terminal Board

Supply, Delivery and fixing of pully pin type coupling set after adjusting old scrap materials

RE-erecting the Motor in the Sump, testing and commissioning.

Supply and delivery of 3Core, 1.1KV 150 sq.mm LT cable - 51 M

Labour charge for removing the following HSC pump top cover and dismandling the rotating assembly including removal of bearing, locknut, shaft sleeves, impeller neck ring, bush coller etc., replacing of all wornout spares, reconditioning of pump

100 HP HSC Pump

Dismantling and removing the top cover of pump, removing the impeller shaft and all other rotating damaged and worn out materials from the rotating assemble.

Supply and fixing of New Phosphor Bronze shaft sleeve after adjusted the old scrap material.

Supply and fixing of impeller shield Ring Phosphor Bronze after adjusted the old scrap material.

Supply and fixing of Rope Gland with stud after adjusted the old scrap material.

Supply, delivery anf fixing impeller lock nut after adjust the old scrap material

Supply, delivery and fixing of stuffing box bush Phosphor Bronze after adjust the old scrap material

Supply delivery and fixing of pump bearings for DE side N 309 after adjusted the old scrap material.

Supply, delivery and fixing of pump bearings for DE side 6309/C3

Reconditioning the pump shaft by welding the machining by grinding the bearing seating area in the pump shaft to suit new bearing for drive end and non drive end side.

Supply and fixing lock ring coupling pin copper tube with brass nipple for water colling arrangement after adjusting old scraps

Charges for providing pump DE & NDE side bearing housing sleeve in CI material to connect the bearing seating area to rectify the loose condition.

Charges for the bed alignment commissioning lead lift, tools and Zero-Zero accuracy and painting etc complete

Supply of fixing New Bronze impeller.

Repair and Renewals For a period from 01.04.2025 to 31.03.2026

Repairs and Renewals of Electro Mechanical Equipments

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 2.2.6 of General conditions of Contract Part II.

Rewinding of burnout coil of stator in the motor of vertical turbine -squirrel cage Induction Motor at Avathipalayam HW including cost of all material, labour, removing, conveyance and re-erection etc., complete.

35 HP Vertical Turbine Motor / Pump

Labour charges for Removing the cable connections, removing the motor from the base removing the vertical turbine pump column pipes line shafts,couplings and 1 stage bowel assembly form the collection well.

Supply of stainless steel 304 grade (Non magnetic) line shaft length 1-5 meter OD 30mm (including Threading,checking of Alignment).

Supply of stainless steel 304 grade(Non magnetic) head shafts length 1.750 Meter,OD 30mm

Supply of EN 3 Steel line shaft coupling size OD 50mm x ID 30mm, Length 200mm,(including inner Threading and Air hole)

Supply of EN 3 Steel line shaft coupling size OD 50mm x ID 39mm, Length 200mm,(including inner Threading and Air hole)

Supply and delivery of stainless steel 304 grade (Non Magnetic) 1 Stage impeller shaft length 1.200 meter x 60mm OD (including,threading,key split ring cutting, circlip, cutting,checking of alignment)

Supply and delivery of 62mm OD, 50 mm ID, 1.5 meter length seamless shaft encloding tube with doubnle side mm thread.(with nend, checking).

Supply and delivery of 36mm ID x 50mm ID, 100mm length MM thread phosphor bronze line shaft bearing.

Supply and delivery of 230 volt solenoid coil 1 litre stainless steel lubricator box with stainless steel ball valve & nylon tube etc.

Supply and delivery of 100mm OD, 63mm ID length 100mm phenol costing (CI and sililcon materials) send coller, Rate inclusinve of cutting, machining, threading providing hole, with locking screw etc.

Suupply and delivery of phosphor bronze impeller seal ring ID 185mm &OD 205mm inclusive machining shaping with locking screw etc.

Supply and delivery of Neoprene Rubber for 200MM PIPE guide spider with 3 legs Bush.

Supply and delivery of impeller locking coller sleeve.

Supply and dellivery of phospher bronze metal bowl bearing ID 60mm X OD 70mm length 210mm (including tuning and machine & finishing).

Supply and suction and delivery case phosphor bronze beating ID60mm X OD 70mm length 210mm.

Supply and delivery of twine type stainless 304 grade strainer of suitable 300m OD size with bolt and nuts.

Supply and delivery of bowl studs (16 nos) 12 mm X 65 mm with washers (steel material mm thread)

Supply and delivery of case studs 12mm size with washers (Steel material mm thread)

Supply and delivery of stuffing box studs 12mm (Steel material mm thread)

Supply and delivery of stuffing box rope gland pigeon casting CI and silicon materials rate inclusinve of threading, machinining, shaping etc.

Impeller heating and brazing with phosphor bronze wherever impeeler thickness reduced and damaged part inclidng materials cost heating process etc complete.

Fininshing of impeller by shaping the impeller vanes and dia, key slot cutting in CNC lathe and balancing the impeller complete.

Charges for impeller Dynamic balancing for Avoid Vibration of Pumps

Supply of fire ply sheet for pumps.

Suuply and delilvery of 20 W 40 lubricating oil for (VT Oil lubricated Pumps).

Charges for (1) bowl assembly work, in bowl bush (ii) suction case bearing (iii) and delivery case bearing seating area tuning, finishing and seating the bowl suction case & delivery case bearing and tuning the current size match OD of pump shaft and locking the bearings etc.

Supply of Anticorrosive Black Paint for column pipes bowl assembly, base frame etc.

Labour charges for removing rust of column pipe bowl assembly, base frame before applying two coats of anti-Corrosive black paint etc.

Reassembling the pump impeller and bowl assembly and reerection of the column pipes line shafts and motor giving cable connections, testing and commissioning of pump set and transport charges (vice versa).

Rewinding of the following HSC pumpset's (Squirrel gauge Induction Motor) with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

100 HP HSC Pumpset (Squirrel gauge Induction Motor)

Removing pump from the bed in the booster station conveyed to work shop

Rewinding of 100 HP Squiral Gauge motor with high quality insulation ISI enamel copper wire in standard specifications after removing the burnt coil from the motor after deducting the cost of old coil.

Supply of Bearing SKF N 316 DE side

Supply of Bearing SKF N 6314 DE side

Lathe work of motor cover DE and NDE costing sleeve turning and Grainding charge

Lathe work of Rotor Shaft Welding and grainding charge

Supply and Delivery of Terminal Board

Supply, Delivery and fixing of pully pin type coupling set after adjusting old scrap materials

RE-erecting the Motor in the Sump, testing and commissioning.

Supply and delivery of 3Core, 1.1KV 150 sq.mm LT cable - 51 M

Labour charge for removing the following HSC pump top cover and dismandling the rotating assembly including removal of bearing, locknut, shaft sleeves, impeller neck ring, bush coller etc., replacing of all wornout spares, reconditioning of pump

100 HP HSC Pump

Dismantling and removing the top cover of pump, removing the impeller shaft and all other rotating damaged and worn out materials from the rotating assemble.

Supply and fixing of New Phosphor Bronze shaft sleeve after adjusted the old scrap material.

Supply and fixing of impeller shield Ring Phosphor Bronze after adjusted the old scrap material.

Supply and fixing of Rope Gland with stud after adjusted the old scrap material.

Supply, delivery anf fixing impeller lock nut after adjust the old scrap material

Supply, delivery and fixing of stuffing box bush Phosphor Bronze after adjust the old scrap material

Supply delivery and fixing of pump bearings for DE side N 309 after adjusted the old scrap material.

Supply, delivery and fixing of pump bearings for DE side 6309/C3

Reconditioning the pump shaft by welding the machining by grinding the bearing seating area in the pump shaft to suit new bearing for drive end and non drive end side.

Supply and fixing lock ring coupling pin copper tube with brass nipple for water colling arrangement after adjusting old scraps

Charges for providing pump DE & NDE side bearing housing sleeve in CI material to connect the bearing seating area to rectify the loose condition.

Charges for the bed alignment commissioning lead lift, tools and Zero-Zero accuracy and painting etc complete

Supply of fixing New Bronze impeller.

Chemicals

Supply and delivery of Alum (Sulphate of Alumino Ferric) required for Water Treatment Plants confirming to IS specification 299/ 1980 and as amended from time to time for delivery at anywhere in Coimbatore District including loading, freight, unloading, transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Supply and delivery of Liquid Chlorine as per IS Specification (with Chlorine 99.8%, Moisture, Na2O3, Hydrogen and Carbondioxide are to be nil) required for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Description of Work / Item(s)

Amount

CWSS to 94 FAH and 75 wayside Habitations in Elachi-palayam, Mallasamudram and Paramathy Union in Namakkal District

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 Part - IV of Technical Bid, carrying out the O&M as per standard operating procedures, Acts and rules in force etc., complete and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair in pipes and specials and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure and Electricity charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Repair and Renewals For a period from 01.11.2023 to 31.03.2024

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC all classes pipes - 1m

63mm OD PVC all classes pipes - 1m

75mm OD PVC all classes pipes - 1m

90mm OD PVC all classes pipes - 1m

110mm OD PVC all classes pipes - 1m

140mm OD PVC all classes pipes - 1m

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

50mm PVC - 1m

50mm PVC - 2m

63mm PVC - 1m

63mm PVC - 2m

75mm PVC - 1m

75mm PVC - 2m

90mm PVC - 1m

90mm PVC - 2m

110mm PVC - 1m

110mm PVC - 2m

140mm PVC - 1m

140mm PVC - 2m

Replacement of Burst occured AC Pipe with MS pipe including charges for carry out Earthwork excavation, Removing of bursted PSC pipe from trench, Dewatering, Supply and Fabrication of MS plate into barrels , specials, Hire charges for welding machine, Gas cutting machine, flood light, Lowering the MS pipe and specials in proper alignment with existing AC pipeline, Jointing by welding and Cement packing both machine ends and proper Refilling the trench after completion of work for the following Size of AC Pipe and as directed by TWAD Board officers.

150mm AC pipe

200mm AC pipe

350mm AC pipe

Attending leak in AC / PSC Pipe joint with lead and hemp yarn including charges for carry out Earthwork excavation, Dewatering, Jointing and proper refilling the trench after completion of work for the following Size of AC / PSC Pipe and as directed by TWAD Board officers.

150mm AC pipe Collar Leak

200mm AC pipe Collar Leak

250mm AC pipe Collar Leak

350mm AC / PSC pipe Collar Leak

Attending leak in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, including cost of MS Pipe and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.6.4 of General conditions of Contract - Part II.

150mm AC pipes of all Classes for circumfrential / longitudinal crack using MS step coller , cutt barrel with required length as per site condition

200mm AC pipes of all Classes for circumfrential / longitudinal crack using MS step coller , cutt barrel with required length as per site condition

250mm AC pipes of all Classes for circumfrential / longitudinal crack using MS step coller , cutt barrel with required length as per site condition

350mm AC pipes of all Classes for circumfrential / longitudinal crack using MS step coller , cutt barrel with required length as per site condition

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

10000 to 15000 Liters capacity of sump

30000 Liters capacity of sump

60000 Liters capacity of sump

150000 Liters capacity of sump

200000 Liters capacity of sump

300000 Liters capacity of sump

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 10/16 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 shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu.

150 mm Single Chamber Air Valve

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

Rewinding of burnout coil of stator in the motor of vertical turbine -squirrel cage Induction Motor at including cost of all material, labour, removing, conveyance and re-erection etc., complete.

35 HP Vertical Turbine Pump

Labour charges for Removing the cable connections, removing the motor from the base removing the vertical turbine pump column pipes line shafts,couplings and 1 stage bowel assembly form the collection well.

Supply of stainless steel 304 grade (Non magnetic) line shaft length 1-5 meter OD 30mm (including Threading,checking of Alignment).

Supply of stainless steel 304 grade(Non magnetic) head shafts length 1.750 Meter,OD 30mm

Supply of EN 3 Steel line shaft coupling size OD 50mm x ID 30mm, Length 200mm,(including inner Threading and Air hole)

Supply of EN 3 Steel line shaft coupling size OD 50mm x ID 39mm, Length 200mm,(including inner Threading and Air hole)

Supply and delivery of stainless steel 304 grade (Non Magnetic) 1 Stage impeller shaft length 1.200 meter x 60mm OD (including,threading,key split ring cutting, circlip, cutting,checking of alignment)

Supply and delivery of 62mm OD, 50 mm ID, 1.5 meter length seamless shaft encloding tube with doubnle side mm thread.(with nend, checking).

Supply and delivery of 36mm ID x 50mm ID, 100mm length MM thread phosphor bronze line shaft bearing.

Supply and delivery of 230 volt solenoid coil 1 litre stainless steel lubricator box with stainless steel ball valve & nylon tube etc.

Supply and delivery of 100mm OD, 63mm ID length 100mm phenol costing (CI and sililcon materials) send coller, Rate inclusinve of cutting, machining, threading providing hole, with locking screw etc.

Suupply and delivery of phosphor bronze impeller seal ring ID 185mm &OD 205mm inclusive machining shaping with locking screw etc.

Supply and delivery of Neoprene Rubber for 200MM PIPE guide spider with 3 legs Bush.

Supply and delivery of impeller locking coller sleeve.

Supply and dellivery of phospher bronze metal bowl bearing ID 60mm X OD 70mm length 210mm (including tuning and machine & finishing).

Supply and suction and delivery case phosphor bronze beating ID60mm X OD 70mm length 210mm.

Supply and delivery of twine type stainless 304 grade strainer of suitable 300m OD size with bolt and nuts.

Supply and delivery of bowl studs (16 nos) 12 mm X 65 mm with washers (steel material mm thread)

Supply and delivery of case studs 12mm size with washers (Steel material mm thread)

Supply and delivery of stuffing box studs 12mm (Steel material mm thread)

Supply and delivery of stuffing box rope gland pigeon casting CI and silicon materials rate inclusinve of threading, machinining, shaping etc.

Impeller heating and brazing with phosphor bronze wherever impeeler thickness reduced and damaged part inclidng materials cost heating process etc complete.

Fininshing of impeller by shaping the impeller vanes and dia, key slot cutting in CNC lathe and balancing the impeller complete.

Charges for impeller Dynamic balancing for Avoid Vibration of Pumps

Supply of fire ply sheet for pumps.

Suuply and delilvery of 20 W 40 lubricating oil for (VT Oil lubricated Pumps).

Charges for (1) bowl assembly work, in bowl bush (ii) suction case bearing (iii) and delivery case bearing seating area tuning, finishing and seating the bowl suction case & delivery case bearing and tuning the current size match OD of pump shaft and locking the bearings etc.

Supply of Anticorrosive Black Paint for column pipes bowl assembly, base frame etc.

Labour charges for removing rust of column pipe bowl assembly, base frame before applying two coats of anti-Corrosive black paint etc.

Reassembling the pump impeller and bowl assembly and reerection of the column pipes line shafts and motor giving cable connections, testing and commissioning of pump set and transport charges (vice versa).

Rewinding of the following HSC pumpset's (Squirrel gauge Induction Motor) with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

40 HP Motor - 1 No

Labour charges for disconnecting the electrical connection in the motor and removing the motor from the bed in the Booster station etc., complete.

Charges for dismantling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, preheating, vacuum impregnating the winding with Domical resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap etc., complete.

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6310 for NDE properly after deducting the cost of damaged bearing etc., complete.

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6311 for DE properly after deducting the cost of damaged bearing etc., complete.

Supply and Delvery of Tyre Coupling

Charges for removing damage bearing Cover sleeve from the motor body and fixing the new cover sleeve for NDE properly including cost of materials etc., complete.

Charges for removing damage bearing Cover sleeve from the motor body and fixing the new sleeve for DE properly including cost of materials etc., complete.

Charges for welding the eaten portion of the shaft and grinding the same to suit the bearing for DE and NDE etc., complete.

Change removing the damaged terminal board from the terminal box and fixing the new terminal board including the cost of materials etc., complete.

Rotor New Aluminiyam Die Costing old shaft removing and Re-fixing Hydraulic Charges and Welding Charges etc., complete.

Rotor Balancing Charges etc., complete.

40 HP HSC Pump - 1 No

Charges for removing the top cover of pump, removing the impeller shaft and all other rotating damaged and worn out materials from the rotating assembly like bearing shaft sleeves,stuffing box,bushes and flexible coupling from impleller shaft of the pump house and carriying to work shop.

Charges for supply and fixing SS 304 pump suitable size shaft adjusting the old scrap

Charges for impeller damaged portion, grinding V groove making brazing the sane bronze material amchining dynamic balancing of impeller to avoid vibration of pumps.

supply, delivery and fixing of impeller shield rings after adjusting the old scrap materials.

supply, delivery and fixing of bronze soft sleeve after adjusting the old scrap materials.

supply, delivery and fixing of water thrower after adjusting the old scrap materials.

supply ,delivery and fixing of stuffing box bush after adjusting the old scrap materials.

supply ,delivery and fixing of pump bearing for NDE side SKFsuitable size imported Ball bearing after adjusting the old scrap materials.

supply ,delivery and fixing of pump bearing for DE side SKFsuitable size imported ROLLER bearing after adjusting the old scrap materials.

Charges for supply and fixing of CI sleeves for the bearing housing in the place of wornout area of the bearing

supply, delivery and fixing of new impeller after adjusting the old scrap materials.

supply, delivery and fixing of pully coupling set after adjusting the old scrap materials.

Assembling the entire pump casing fire fly gas cut, bolt nuts and lubricants complete

charges for transporting of motor and pump from the work shop to pump house.unloading and aligning the pump fixing with motor and checking the alignment for zero -zero accuracy, providng terminal connections and commissioning sucessfully to good working conditions and painting etc.complete

50 HP HSC Pumpset (Squirrel gauge Induction Motor) - 1 No

Labour charges for disconnecting the electrical connection in the motor and removing the motor from the bed in the Booster station including conveyance to workshop.

Charges for dismantling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, pre heating, vacuum impregnating the winding with Domisol resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap.

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6310 for NDE properly after deducting the cost of damaged bearing

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6311 for DE properly after deducting the cost of damaged bearing

Supply, delivery and fixing the Tyre coupling

Labour charges for Re erecting the motor in the Booster station and commissioning including the cost of conveyance from workshop to Booster station.

Change for removing damage bearing Cover sleeve from the motor body and fixing the new cover sleeve for NDE properly including cost of materials.

Change for removing damage bearing Cover sleeve from the motor body and fixing the new sleeve for DE properly including cost of materials.

Change for welding the eaten portion of the shaft and grinding the same to suit the bearing for DE and NDE.

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

Rotor Balancing Charges

Change removing the damaged terminal board from the terminal box and fixing the new terminal board including the cost of materials

50 HP HSC Pump

Charges for removing the top cover of pump removing the impeller shaft and all other rotating damaged and worn out materials from the rotating assembly like bearing shaft, sleeves, stuffing box, bushes and flexible coupling from impeller shaft of the pump set by using chain block to the pump house and carrying to work shop.

Charges for supply and fixing SS 304 pump suitable size shaft after adjusting the old scrap

Charges for impeller damaged portion, grinding V-groove making brazing the same bronze material machining dynamic balancing of impeller to avoid vibration of pump.

Supply, Delivery and fixing of impeller shield rings after adjusting the old scrap materials

Supply, Delivery and fixing of bronze soft sleeve after adjusting the old scrap materials

Supply, Delivery and fixing of water thrower after adjusting the old scrap materials

Supply, Delivery and fixing of stuffing box bush, after adjusting the old scrap materials

Supply, Delivery and fixing of pump bearing for DE side, SKF suitable size imported Roller bearing after adjusting the old scrap materials

Supply, Delivery and fixing of pump bearing for NDE side, SKF suitable size imported Ball bearing after adjusting the old scrap materials

Charges for supply and fixing of CI sleeves for the bearing housing in the place of worn out area of the bearing seating portion, machining grinding to match bearing for DE & NDE side.

Supply, Delivery and fixing of New impeller after adjusting the old scrap materials: 1292 lpm x 89m

Supply, Delivery and fixing of pully coupling set after adjusting the old scrap materials

Assembling the entire pump casing firefly gasket, bolt, nuts and lubricants complete.

Charges for transporting of motor and pump from the workshop to pump house, unloading, aligning the pump, fixing with motor and checking the alignment for Zero-Zero accuracy, providing terminal connections and commissioning successfully to good working conditions and painting, etc complete.

Rewinding of coil for following HP Motor of HSC Pumpsets including all material, labour, etc.

75 HP HSC Motor - 2 Nos

Removing the 75 HP motor terminal connection including pulley assembly and bed bolts lifting the motor from the base loading the motor in the truck, transporting the motor from pump house to workshop etc., complete

Charges for dismantling the motor at workshop by removing the end covers, worn out bearings, bearings housing, rotor assembly and removing the burnt wires in the stator coil by special tools etc., complete

Charges for towards restacking the main stator core for a length of 10 using Dr.Becks CPV 4000 varnish mixed with thinner 205 backing in over to cure the core plate varnish cleaning and polishing slots ready for feeding etc., complete

Charges for complete rewinding of stator core by new high grade copper wire inside the slot each layer by layer F class paper covered by insulation properly seating the winding inside the slot and not came out in the centrifugal action, applying high quality Dr. Beck air drying insulating varnish for protect the windings to the motor terminals by providing new flexile copper leads and fixing terminal plate with new bolts & nuts, checking winding resistance,IR value of stator core complete the rate after adjusted the old scrap wires etc., complete

Charges for providing bearing housing sleeve in Cl materials to correct the bearing seating area to rectify the loose condition etc., complete.

Supply, delivery and fixing DE side NU 314 C3 Roller bearing after adjusting old scrap materials.

Supply, delivery and fixing NDE side 6314 C3 ball bearing after adjusting old scrap materials.

Supply, Delivery and Fixing of 90 Tyre Coupling incl 12mm bolts and nuts after adjusting old scrap materials.

Checking the rotor dynamic balancing fixing all components assembly the rotor etc., complete

Charges for assembling the motor by inserting the rotor assembly into the stator core with proper arrangements and seating the bearings carefully by special tool arrangement, in the end covers and fixing the motor body, terminal board connecting the winding leads etc., complete (including Transporting charges workshop to pump house)

Supply and delivery 75HP KEC Terminal Board with Bress washers etc, complete.

75 HP HSC Pump- 2 Nos

Dismantling and removing the top cover of pump, removing the impeller shaft and all other rotating damaged and worn out materials from the rotating assembly including Labour & Tools etc., complete.

Charges for reconditioning the pump shaft damaged worn out portion SS welding, bend removing by using Hydraulic machine and lathe work, machining, grinding the bearing seating area in the pump shaft including cost of material and labour cost etc., complete.

Charges for reconditioning Impeller worn out damaged portion, grinding V- Groove metal filling brazing the same bronze welding rod and lathe work machining, grinding, polishing dynamic balancing of Impeller to avoid vibration of pump including cost of material and labour etc., complete.

Supply and fixing of New Bronze Shaft Sleeve after deducted the old scrap material. etc., complete.

Supply and fixing of Impeller Shield Ring after deducted the old scrap material. etc., complete.

Supply and fixing of Rope Gland Stud after deducted the old scrap material etc., complete.

Supply and fixing of Water thrower after deducted the old scrap material. etc., complete.

Supply, delivery and fixing of Pump bearings for NDE & DE Side 6309/C3 after deducted the old scrap material etc., complete..

Supply and fixing pump rotating firefly gasket, graphite rope, bolt & nut, lubricant etc after deducted old scraps etc., complete.

Charges for assembling the pump rotating element fixing gunmetal impeller, sleeves, wear ring and checking the alignment including cost of labour etc., complete.

Charges for the bed alignment the pump fixing with motor and checking the alignment for Zero - Zero accuracy. Providing terminal connections and commissioning successfully to good working conditions and painting etc., complete.

Labour charges for rewinding the following capacity of openwell submersible pumpset with new PVC insulated copper wire incl.removal of burnout coil,servicing the motor,replacing of bush,bearings shaftetc

for 2 HP Open well submersible pumpset - 2 Nos

Charges for removing the pump impeller casing and finding faults in them etc., complete.

Removing the wornout thrust bearing Supply and fixing of thrust bearing etc., complete. after adjusting the cost of scrap materials

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc., complete. after adjusting the old scrap materials.

Supply and fixing of motor top and bottom bush bearing etc., complete. after deducting the old scrap materials.

Supply and fixing of casing bush etc., complete. after deducting the old scrap materials.

Supply and fixing of New impeller etc., complete. after deducting the old scrap materials.

Supply and fixing of shaft sleeves etc., complete. after deducting the old scrap materials.

Supply and fixing of oil seal etc., complete.

Re-assembling the pumpset impeller, casing, painting and testing etc., complete.

for 3 HP Open well submersible pumpset - 3 Nos

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 5 HP Open well submersible pumpset - 7 Nos

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 7.5 HP Open well submersible pumpset - 2 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of new impeller cost deducting the old scrap materials values

Supply and fixing of oil seal.

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 10.00 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them etc., complete.

Removing the wornout thrust bearing Supply and fixing of thrust bearing etc., complete. cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc., complete. cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing etc., complete. cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves etc., complete. cost deducting the old scrap materials values

Supply delivery and fixing of casing bush etc., complete. cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller etc., complete. cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc., complete.

Rewinding of the following Centrifugal mono block pumpset's with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

For 5 HP Mono Block Pumpset - 2 Nos

Removing the damaged wornout cooling fan, bearing, shaft sleeves, bushes and implier from the pump shaft

Removing the old burnt winding wire from the stator core cleaning stamping and damaged slats and rewinding the new copper winding wire and F class insulation materials using Dr.Beg insulating varnish oven heating and testing tec after deducting the old scraps materials

Supply and Fixing of DE and NDE ball bearing after deducting the old scraps materials

Supply of bronze metal pipe, following machining works of suitable size cutting, facing, turning, boring, grinding, polishing and fixing the bush to rotor after deducting the old scraps materials

Charges for dynamic balance check for the motor rotor including cost of welding, shaft turning, grinding, powder polishing etc.

Charges for re re-assembling the implier, cooling fan, pump assembly, finally motor testing and painting

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

3 HP Monoblock Pumpset - 1 No

Removing the damaged worn out cooling fan, bearing, shaft, sleeve, bushes and impeller from the pump shaft.

Removing the old burnt winding wire from the stator core cleaning stamping and damaged slots and rewinding the new copper winding wire and F class insulation materials using Dr.Beg insulation varnish oven heating and testing etc. after adjusting the old scrap copper materials etc after adjusting the old scrap materials.

Supply and delivery of shaft sleeves bushes.

Supply of braze metal pipe, following machining work of suitable size cutting, facing, turning, boring, grinding, polishing, and fixing the bush to rotor after the old scrap materials

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

For Bolt and Nut - 3 Kg

For 2 HP Mono Block Pumpset

Removal of motor parts rotor and end shields and removal of copper wire and cleaning the core and rewinding the 2 HP motor using varnish and necessary winding materials using new DE and NDE bearings of pumpset for painting and commissioning charge etc. complete.

Electro mechanical accessories in various location under AM of CWSS

Supply and fixing of following directly operated bimetallic thermal over load relay which operates in case of over load and also in case of under voltage with manual and auto reset model

Supply , delivery and fixing of DI-ELECTRIC CAPACITOR WITH TNEB TEST CERTIFICATE WITH ACCESSORIES INCLUDING BANKING CONFORMIING TO IS 2834

Repair and Renewals For a period from 01.04.2024 to 31.03.2025

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC all classes pipes - 1m

63mm OD PVC all classes pipes - 1m

75mm OD PVC all classes pipes - 1m

90mm OD PVC all classes pipes - 1m

110mm OD PVC all classes pipes - 1m

140mm OD PVC all classes pipes - 1m

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

50mm PVC - 1m

50mm PVC - 2m

63mm PVC - 1m

63mm PVC - 2m

75mm PVC - 1m

75mm PVC - 2m

90mm PVC - 1m

90mm PVC - 2m

110mm PVC - 1m

110mm PVC - 2m

140mm PVC - 1m

140mm PVC - 2m

Replacement of Burst occured AC Pipe with MS pipe including charges for carry out Earthwork excavation, Removing of bursted PSC pipe from trench, Dewatering, Supply and Fabrication of MS plate into barrels , specials, Hire charges for welding machine, Gas cutting machine, flood light, Lowering the MS pipe and specials in proper alignment with existing AC pipeline, Jointing by welding and Cement packing both machine ends and proper Refilling the trench after completion of work for the following Size of AC Pipe and as directed by TWAD Board officers.

150mm AC pipe

200mm AC pipe

350mm AC pipe

Attending leak in AC / PSC Pipe joint with lead and hemp yarn including charges for carry out Earthwork excavation, Dewatering, Jointing and proper refilling the trench after completion of work for the following Size of AC / PSC Pipe and as directed by TWAD Board officers.

150mm AC pipe Collar Leak

200mm AC pipe Collar Leak

250mm AC pipe Collar Leak

350mm AC / PSC pipe Collar Leak

Attending leak in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, including cost of MS Pipe and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.6.4 of General conditions of Contract - Part II.

150mm AC pipes of all Classes for circumfrential / longitudinal crack using MS step coller , cutt barrel with required length as per site condition

200mm AC pipes of all Classes for circumfrential / longitudinal crack using MS step coller , cutt barrel with required length as per site condition

250mm AC pipes of all Classes for circumfrential / longitudinal crack using MS step coller , cutt barrel with required length as per site condition

350mm AC pipes of all Classes for circumfrential / longitudinal crack using MS step coller , cutt barrel with required length as per site condition

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

10000 to 15000 Liters capacity of sump

30000 Liters capacity of sump

60000 Liters capacity of sump

150000 Liters capacity of sump

200000 Liters capacity of sump

300000 Liters capacity of sump

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 10/16 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 shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu.

150 mm Single Chamber Air Valve

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

Rewinding of burnout coil of stator in the motor of vertical turbine -squirrel cage Induction Motor at including cost of all material, labour, removing, conveyance and re-erection etc., complete.

35 HP Vertical Turbine Pump

Labour charges for Removing the cable connections, removing the motor from the base removing the vertical turbine pump column pipes line shafts,couplings and 1 stage bowel assembly form the collection well.

Supply of stainless steel 304 grade (Non magnetic) line shaft length 1-5 meter OD 30mm (including Threading,checking of Alignment).

Supply of stainless steel 304 grade(Non magnetic) head shafts length 1.750 Meter,OD 30mm

Supply of EN 3 Steel line shaft coupling size OD 50mm x ID 30mm, Length 200mm,(including inner Threading and Air hole)

Supply of EN 3 Steel line shaft coupling size OD 50mm x ID 39mm, Length 200mm,(including inner Threading and Air hole)

Supply and delivery of stainless steel 304 grade (Non Magnetic) 1 Stage impeller shaft length 1.200 meter x 60mm OD (including,threading,key split ring cutting, circlip, cutting,checking of alignment)

Supply and delivery of 62mm OD, 50 mm ID, 1.5 meter length seamless shaft encloding tube with doubnle side mm thread.(with nend, checking).

Supply and delivery of 36mm ID x 50mm ID, 100mm length MM thread phosphor bronze line shaft bearing.

Supply and delivery of 230 volt solenoid coil 1 litre stainless steel lubricator box with stainless steel ball valve & nylon tube etc.

Supply and delivery of 100mm OD, 63mm ID length 100mm phenol costing (CI and sililcon materials) send coller, Rate inclusinve of cutting, machining, threading providing hole, with locking screw etc.

Suupply and delivery of phosphor bronze impeller seal ring ID 185mm &OD 205mm inclusive machining shaping with locking screw etc.

Supply and delivery of Neoprene Rubber for 200MM PIPE guide spider with 3 legs Bush.

Supply and delivery of impeller locking coller sleeve.

Supply and dellivery of phospher bronze metal bowl bearing ID 60mm X OD 70mm length 210mm (including tuning and machine & finishing).

Supply and suction and delivery case phosphor bronze beating ID60mm X OD 70mm length 210mm.

Supply and delivery of twine type stainless 304 grade strainer of suitable 300m OD size with bolt and nuts.

Supply and delivery of bowl studs (16 nos) 12 mm X 65 mm with washers (steel material mm thread)

Supply and delivery of case studs 12mm size with washers (Steel material mm thread)

Supply and delivery of stuffing box studs 12mm (Steel material mm thread)

Supply and delivery of stuffing box rope gland pigeon casting CI and silicon materials rate inclusinve of threading, machinining, shaping etc.

Impeller heating and brazing with phosphor bronze wherever impeeler thickness reduced and damaged part inclidng materials cost heating process etc complete.

Fininshing of impeller by shaping the impeller vanes and dia, key slot cutting in CNC lathe and balancing the impeller complete.

Charges for impeller Dynamic balancing for Avoid Vibration of Pumps

Supply of fire ply sheet for pumps.

Suuply and delilvery of 20 W 40 lubricating oil for (VT Oil lubricated Pumps).

Charges for (1) bowl assembly work, in bowl bush (ii) suction case bearing (iii) and delivery case bearing seating area tuning, finishing and seating the bowl suction case & delivery case bearing and tuning the current size match OD of pump shaft and locking the bearings etc.

Supply of Anticorrosive Black Paint for column pipes bowl assembly, base frame etc.

Labour charges for removing rust of column pipe bowl assembly, base frame before applying two coats of anti-Corrosive black paint etc.

Reassembling the pump impeller and bowl assembly and reerection of the column pipes line shafts and motor giving cable connections, testing and commissioning of pump set and transport charges (vice versa).

Rewinding of the following HSC pumpset's (Squirrel gauge Induction Motor) with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

40 HP HSC Pumpset (Squirrel gauge Induction Motor)

Labour charges for disconnecting the electrical connection in the motor and removing the motor from the bed in the Booster station etc., complete.

Charges for dismantling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, preheating, vacuum impregnating the winding with Domical resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap etc., complete.

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6310 for NDE properly after deducting the cost of damaged bearing etc., complete.

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6311 for DE properly after deducting the cost of damaged bearing etc., complete.

Supply and Delvery of Tyre Coupling

Charges for removing damage bearing Cover sleeve from the motor body and fixing the new cover sleeve for NDE properly including cost of materials etc., complete.

Charges for removing damage bearing Cover sleeve from the motor body and fixing the new sleeve for DE properly including cost of materials etc., complete.

Charges for welding the eaten portion of the shaft and grinding the same to suit the bearing for DE and NDE etc., complete.

Change removing the damaged terminal board from the terminal box and fixing the new terminal board including the cost of materials etc., complete.

Rotor New Aluminiyam Die Costing old shaft removing and Re-fixing Hydraulic Charges and Welding Charges etc., complete.

Rotor Balancing Charges etc., complete.

40 HP HSC Pump - 1 No

Repairing / reconditioning of Pump for following HP HSC Pumpsets including all material, labour, etc.

Charges for removing the top cover of pump, removing the impeller shaft and all other rotating damaged and worn out materials from the rotating assembly like bearing shaft sleeves,stuffing box,bushes and flexible coupling from impleller shaft of the pump house and carriying to work shop.

Charges for supply and fixing SS 304 pump suitable size shaft adjusting the old scrap

Charges for impeller damaged portion, grinding V groove making brazing the sane bronze material amchining dynamic balancing of impeller to avoid vibration of pumps.

supply, delivery and fixing of impeller shield rings after adjusting the old scrap materials.

supply, delivery and fixing of bronze soft sleeve after adjusting the old scrap materials.

supply, delivery and fixing of water thrower after adjusting the old scrap materials.

supply ,delivery and fixing of stuffing box bush after adjusting the old scrap materials.

supply ,delivery and fixing of pump bearing for NDE side SKFsuitable size imported Ball bearing after adjusting the old scrap materials.

supply ,delivery and fixing of pump bearing for DE side SKFsuitable size imported ROLLER bearing after adjusting the old scrap materials.

Charges for supply and fixing of CI sleeves for the bearing housing in the place of wornout area of the bearing

supply, delivery and fixing of new impeller after adjusting the old scrap materials.

supply, delivery and fixing of pully coupling set after adjusting the old scrap materials.

Assembling the entire pump casing fire fly gas cut, bolt nuts and lubricants complete

charges for transporting of motor and pump from the work shop to pump house.unloading and aligning the pump fixing with motor and checking the alignment for zero -zero accuracy, providng terminal connections and commissioning sucessfully to good working conditions and painting etc.complete

50 HP HSC Pumpset (Squirrel gauge Induction Motor) - 1 No

Labour charges for disconnecting the electrical connection in the motor and removing the motor from the bed in the Booster station including conveyance to workshop.

Charges for dismantling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, pre heating, vacuum impregnating the winding with Domisol resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap.

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6310 for NDE properly after deducting the cost of damaged bearing

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6311 for DE properly after deducting the cost of damaged bearing

Supply, delivery and fixing the Tyre coupling

Labour charges for Re erecting the motor in the Booster station and commissioning including the cost of conveyance from workshop to Booster station.

Change for removing damage bearing Cover sleeve from the motor body and fixing the new cover sleeve for NDE properly including cost of materials.

Change for removing damage bearing Cover sleeve from the motor body and fixing the new sleeve for DE properly including cost of materials.

Change for welding the eaten portion of the shaft and grinding the same to suit the bearing for DE and NDE.

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

Rotor Balancing Charges

Change removing the damaged terminal board from the terminal box and fixing the new terminal board including the cost of materials

50 HP HSC Pump

Charges for removing the top cover of pump removing the impeller shaft and all other rotating damaged and worn out materials from the rotating assembly like bearing shaft, sleeves, stuffing box, bushes and flexible coupling from impeller shaft of the pump set by using chain block to the pump house and carrying to work shop.

Charges for supply and fixing SS 304 pump suitable size shaft after adjusting the old scrap

Charges for impeller damaged portion, grinding V-groove making brazing the same bronze material machining dynamic balancing of impeller to avoid vibration of pump.

Supply, Delivery and fixing of impeller shield rings after adjusting the old scrap materials

Supply, Delivery and fixing of bronze soft sleeve after adjusting the old scrap materials

Supply, Delivery and fixing of water thrower after adjusting the old scrap materials

Supply, Delivery and fixing of stuffing box bush, after adjusting the old scrap materials

Supply, Delivery and fixing of pump bearing for DE side, SKF suitable size imported Roller bearing after adjusting the old scrap materials

Supply, Delivery and fixing of pump bearing for NDE side, SKF suitable size imported Ball bearing after adjusting the old scrap materials

Charges for supply and fixing of CI sleeves for the bearing housing in the place of worn out area of the bearing seating portion, machining grinding to match bearing for DE & NDE side.

Supply, Delivery and fixing of New impeller after adjusting the old scrap materials: 1292 lpm x 89m

Supply, Delivery and fixing of pully coupling set after adjusting the old scrap materials

Assembling the entire pump casing firefly gasket, bolt, nuts and lubricants complete.

Charges for transporting of motor and pump from the workshop to pump house, unloading, aligning the pump, fixing with motor and checking the alignment for Zero-Zero accuracy, providing terminal connections and commissioning successfully to good working conditions and painting, etc complete.

Rewinding of coil for following HP Motor of HSC Pumpsets including all material, labour, etc.

75 HP HSC Motor - 2 Nos

Removing the 75 HP motor terminal connection including pulley assembly and bed bolts lifting the motor from the base loading the motor in the truck, transporting the motor from pump house to workshop etc., complete

Charges for dismantling the motor at workshop by removing the end covers, worn out bearings, bearings housing, rotor assembly and removing the burnt wires in the stator coil by special tools etc., complete

Charges for towards restacking the main stator core for a length of 10 using Dr.Becks CPV 4000 varnish mixed with thinner 205 backing in over to cure the core plate varnish cleaning and polishing slots ready for feeding etc., complete

Charges for complete rewinding of stator core by new high grade copper wire inside the slot each layer by layer F class paper covered by insulation properly seating the winding inside the slot and not came out in the centrifugal action, applying high quality Dr. Beck air drying insulating varnish for protect the windings to the motor terminals by providing new flexile copper leads and fixing terminal plate with new bolts & nuts, checking winding resistance,IR value of stator core complete the rate after adjusted the old scrap wires etc., complete

Charges for providing bearing housing sleeve in Cl materials to correct the bearing seating area to rectify the loose condition etc., complete.

Supply, delivery and fixing DE side NU 314 C3 Roller bearing after adjusting old scrap materials.

Supply, delivery and fixing NDE side 6314 C3 ball bearing after adjusting old scrap materials.

Supply, Delivery and Fixing of 90 Tyre Coupling incl 12mm bolts and nuts after adjusting old scrap materials.

Checking the rotor dynamic balancing fixing all components assembly the rotor etc., complete

Charges for assembling the motor by inserting the rotor assembly into the stator core with proper arrangements and seating the bearings carefully by special tool arrangement, in the end covers and fixing the motor body, terminal board connecting the winding leads etc., complete (including Transporting charges workshop to pump house)

Supply and delivery 75HP KEC Terminal Board with Bress washers etc, complete.

75 HP HSC Pump- 2 Nos

Dismantling and removing the top cover of pump, removing the impeller shaft and all other rotating damaged and worn out materials from the rotating assembly including Labour & Tools etc., complete.

Charges for reconditioning the pump shaft damaged worn out portion SS welding, bend removing by using Hydraulic machine and lathe work, machining, grinding the bearing seating area in the pump shaft including cost of material and labour cost etc., complete.

Charges for reconditioning Impeller worn out damaged portion, grinding V- Groove metal filling brazing the same bronze welding rod and lathe work machining, grinding, polishing dynamic balancing of Impeller to avoid vibration of pump including cost of material and labour etc., complete.

Supply and fixing of New Bronze Shaft Sleeve after deducted the old scrap material. etc., complete.

Supply and fixing of Impeller Shield Ring after deducted the old scrap material. etc., complete.

Supply and fixing of Rope Gland Stud after deducted the old scrap material etc., complete.

Supply and fixing of Water thrower after deducted the old scrap material. etc., complete.

Supply, delivery and fixing of Pump bearings for NDE & DE Side 6309/C3 after deducted the old scrap material etc., complete..

Supply and fixing pump rotating firefly gasket, graphite rope, bolt & nut, lubricant etc after deducted old scraps etc., complete.

Charges for assembling the pump rotating element fixing gunmetal impeller, sleeves, wear ring and checking the alignment including cost of labour etc., complete.

Charges for the bed alignment the pump fixing with motor and checking the alignment for Zero - Zero accuracy. Providing terminal connections and commissioning successfully to good working conditions and painting etc., complete.

Labour charges for rewinding the following capacity of openwell submersible pumpset with new PVC insulated copper wire incl.removal of burnout coil,servicing the motor,replacing of bush,bearings shaftetc

for 2 HP Open well submersible pumpset - 2 Nos

Charges for removing the pump impeller casing and finding faults in them etc., complete.

Removing the wornout thrust bearing Supply and fixing of thrust bearing etc., complete. after adjusting the cost of scrap materials

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc., complete. after adjusting the old scrap materials.

Supply and fixing of motor top and bottom bush bearing etc., complete. after deducting the old scrap materials.

Supply and fixing of casing bush etc., complete. after deducting the old scrap materials.

Supply and fixing of New impeller etc., complete. after deducting the old scrap materials.

Supply and fixing of shaft sleeves etc., complete. after deducting the old scrap materials.

Supply and fixing of oil seal etc., complete.

Re-assembling the pumpset impeller, casing, painting and testing etc., complete.

for 3 HP Open well submersible pumpset - 3 Nos

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 5 HP Open well submersible pumpset - 7 Nos

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 7.5 HP Open well submersible pumpset - 2 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of new impeller cost deducting the old scrap materials values

Supply and fixing of oil seal.

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 10.00 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them etc., complete.

Removing the wornout thrust bearing Supply and fixing of thrust bearing etc., complete. cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc., complete. cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing etc., complete. cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves etc., complete. cost deducting the old scrap materials values

Supply delivery and fixing of casing bush etc., complete. cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller etc., complete. cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc., complete.

Rewinding of the following Centrifugal mono block pumpset's with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

For 5 HP Mono Block Pumpset - 2 Nos

Removing the damaged wornout cooling fan, bearing, shaft sleeves, bushes and implier from the pump shaft

Removing the old burnt winding wire from the stator core cleaning stamping and damaged slats and rewinding the new copper winding wire and F class insulation materials using Dr.Beg insulating varnish oven heating and testing tec after deducting the old scraps materials

Supply and Fixing of DE and NDE ball bearing after deducting the old scraps materials

Supply of bronze metal pipe, following machining works of suitable size cutting, facing, turning, boring, grinding, polishing and fixing the bush to rotor after deducting the old scraps materials

Charges for dynamic balance check for the motor rotor including cost of welding, shaft turning, grinding, powder polishing etc.

Charges for re re-assembling the implier, cooling fan, pump assembly, finally motor testing and painting

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

3 HP Monoblock Pumpset - 1 Nos

Removing the damaged worn out cooling fan, bearing, shaft, sleeve, bushes and impeller from the pump shaft.

Removing the old burnt winding wire from the stator core cleaning stamping and damaged slots and rewinding the new copper winding wire and F class insulation materials using Dr.Beg insulation varnish oven heating and testing etc. after adjusting the old scrap copper materials etc after adjusting the old scrap materials.

Supply and delivery of shaft sleeves bushes.

Supply of braze metal pipe, following machining work of suitable size cutting, facing, turning, boring, grinding, polishing, and fixing the bush to rotor after the old scrap materials

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

For Bolt and Nut - 3 Kg

For 2 HP Mono Block Pumpset

Removal of motor parts rotor and end shields and removal of copper wire and cleaning the core and rewinding the 2 HP motor using varnish and necessary winding materials using new DE and NDE bearings of pumpset for painting and commissioning charge etc. complete.

Electro mechanical accessories in various location under AM of CWSS

Supply and fixing of following directly operated bimetallic thermal over load relay which operates in case of over load and also in case of under voltage with manual and auto reset model

Supply , delivery and fixing of DI-ELECTRIC CAPACITOR WITH TNEB TEST CERTIFICATE WITH ACCESSORIES INCLUDING BANKING CONFORMIING TO IS 2834

Repair and Renewals For a period from 01.04.2025 to 31.03.2026

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC all classes pipes - 1m

63mm OD PVC all classes pipes - 1m

75mm OD PVC all classes pipes - 1m

90mm OD PVC all classes pipes - 1m

110mm OD PVC all classes pipes - 1m

140mm OD PVC all classes pipes - 1m

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

50mm PVC - 1m

50mm PVC - 2m

63mm PVC - 1m

63mm PVC - 2m

75mm PVC - 1m

75mm PVC - 2m

90mm PVC - 1m

90mm PVC - 2m

110mm PVC - 1m

110mm PVC - 2m

140mm PVC - 1m

140mm PVC - 2m

Replacement of Burst occured AC Pipe with MS pipe including charges for carry out Earthwork excavation, Removing of bursted PSC pipe from trench, Dewatering, Supply and Fabrication of MS plate into barrels , specials, Hire charges for welding machine, Gas cutting machine, flood light, Lowering the MS pipe and specials in proper alignment with existing AC pipeline, Jointing by welding and Cement packing both machine ends and proper Refilling the trench after completion of work for the following Size of AC Pipe and as directed by TWAD Board officers.

150mm AC pipe

200mm AC pipe

350mm AC pipe

Attending leak in AC / PSC Pipe joint with lead and hemp yarn including charges for carry out Earthwork excavation, Dewatering, Jointing and proper refilling the trench after completion of work for the following Size of AC / PSC Pipe and as directed by TWAD Board officers.

150mm AC pipe Collar Leak

200mm AC pipe Collar Leak

250mm AC pipe Collar Leak

350mm AC / PSC pipe Collar Leak

Attending leak in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, including cost of MS Pipe and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.6.4 of General conditions of Contract - Part II.

150mm AC pipes of all Classes for circumfrential / longitudinal crack using MS step coller , cutt barrel with required length as per site condition

200mm AC pipes of all Classes for circumfrential / longitudinal crack using MS step coller , cutt barrel with required length as per site condition

250mm AC pipes of all Classes for circumfrential / longitudinal crack using MS step coller , cutt barrel with required length as per site condition

350mm AC pipes of all Classes for circumfrential / longitudinal crack using MS step coller , cutt barrel with required length as per site condition

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

10000 to 15000 Liters capacity of sump

30000 Liters capacity of sump

60000 Liters capacity of sump

150000 Liters capacity of sump

200000 Liters capacity of sump

300000 Liters capacity of sump

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 10/16 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 shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu.

150 mm Single Chamber Air Valve

Repairs and Renewals of Pumpset

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

Rewinding of burnout coil of stator in the motor of vertical turbine -squirrel cage Induction Motor at including cost of all material, labour, removing, conveyance and re-erection etc., complete.

35 HP Vertical Turbine Pump

Labour charges for Removing the cable connections, removing the motor from the base removing the vertical turbine pump column pipes line shafts,couplings and 1 stage bowel assembly form the collection well.

Supply of stainless steel 304 grade (Non magnetic) line shaft length 1-5 meter OD 30mm (including Threading,checking of Alignment).

Supply of stainless steel 304 grade(Non magnetic) head shafts length 1.750 Meter,OD 30mm

Supply of EN 3 Steel line shaft coupling size OD 50mm x ID 30mm, Length 200mm,(including inner Threading and Air hole)

Supply of EN 3 Steel line shaft coupling size OD 50mm x ID 39mm, Length 200mm,(including inner Threading and Air hole)

Supply and delivery of stainless steel 304 grade (Non Magnetic) 1 Stage impeller shaft length 1.200 meter x 60mm OD (including,threading,key split ring cutting, circlip, cutting,checking of alignment)

Supply and delivery of 62mm OD, 50 mm ID, 1.5 meter length seamless shaft encloding tube with doubnle side mm thread.(with nend, checking).

Supply and delivery of 36mm ID x 50mm ID, 100mm length MM thread phosphor bronze line shaft bearing.

Supply and delivery of 230 volt solenoid coil 1 litre stainless steel lubricator box with stainless steel ball valve & nylon tube etc.

Supply and delivery of 100mm OD, 63mm ID length 100mm phenol costing (CI and sililcon materials) send coller, Rate inclusinve of cutting, machining, threading providing hole, with locking screw etc.

Suupply and delivery of phosphor bronze impeller seal ring ID 185mm &OD 205mm inclusive machining shaping with locking screw etc.

Supply and delivery of Neoprene Rubber for 200MM PIPE guide spider with 3 legs Bush.

Supply and delivery of impeller locking coller sleeve.

Supply and dellivery of phospher bronze metal bowl bearing ID 60mm X OD 70mm length 210mm (including tuning and machine & finishing).

Supply and suction and delivery case phosphor bronze beating ID60mm X OD 70mm length 210mm.

Supply and delivery of twine type stainless 304 grade strainer of suitable 300m OD size with bolt and nuts.

Supply and delivery of bowl studs (16 nos) 12 mm X 65 mm with washers (steel material mm thread)

Supply and delivery of case studs 12mm size with washers (Steel material mm thread)

Supply and delivery of stuffing box studs 12mm (Steel material mm thread)

Supply and delivery of stuffing box rope gland pigeon casting CI and silicon materials rate inclusinve of threading, machinining, shaping etc.

Impeller heating and brazing with phosphor bronze wherever impeeler thickness reduced and damaged part inclidng materials cost heating process etc complete.

Fininshing of impeller by shaping the impeller vanes and dia, key slot cutting in CNC lathe and balancing the impeller complete.

Charges for impeller Dynamic balancing for Avoid Vibration of Pumps

Supply of fire ply sheet for pumps.

Suuply and delilvery of 20 W 40 lubricating oil for (VT Oil lubricated Pumps).

Charges for (1) bowl assembly work, in bowl bush (ii) suction case bearing (iii) and delivery case bearing seating area tuning, finishing and seating the bowl suction case & delivery case bearing and tuning the current size match OD of pump shaft and locking the bearings etc.

Supply of Anticorrosive Black Paint for column pipes bowl assembly, base frame etc.

Labour charges for removing rust of column pipe bowl assembly, base frame before applying two coats of anti-Corrosive black paint etc.

Reassembling the pump impeller and bowl assembly and reerection of the column pipes line shafts and motor giving cable connections, testing and commissioning of pump set and transport charges (vice versa).

Rewinding of the following HSC pumpset's (Squirrel gauge Induction Motor) with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

40 HP HSC Pumpset (Squirrel gauge Induction Motor)

40 HP Motor - 1 No

Labour charges for disconnecting the electrical connection in the motor and removing the motor from the bed in the Booster station etc., complete.

Charges for dismantling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, preheating, vacuum impregnating the winding with Domical resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap etc., complete.

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6310 for NDE properly after deducting the cost of damaged bearing etc., complete.

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6311 for DE properly after deducting the cost of damaged bearing etc., complete.

Supply and Delvery of Tyre Coupling

Charges for removing damage bearing Cover sleeve from the motor body and fixing the new cover sleeve for NDE properly including cost of materials etc., complete.

Charges for removing damage bearing Cover sleeve from the motor body and fixing the new sleeve for DE properly including cost of materials etc., complete.

Charges for welding the eaten portion of the shaft and grinding the same to suit the bearing for DE and NDE etc., complete.

Change removing the damaged terminal board from the terminal box and fixing the new terminal board including the cost of materials etc., complete.

Rotor New Aluminiyam Die Costing old shaft removing and Re-fixing Hydraulic Charges and Welding Charges etc., complete.

Rotor Balancing Charges etc., complete.

40 HP HSC Pump - 1 No

Repairing / reconditioning of Pump for following HP HSC Pumpsets including all material, labour, etc.

Charges for removing the top cover of pump, removing the impeller shaft and all other rotating damaged and worn out materials from the rotating assembly like bearing shaft sleeves,stuffing box,bushes and flexible coupling from impleller shaft of the pump house and carriying to work shop.

Charges for supply and fixing SS 304 pump suitable size shaft adjusting the old scrap

Charges for impeller damaged portion, grinding V groove making brazing the sane bronze material amchining dynamic balancing of impeller to avoid vibration of pumps.

supply, delivery and fixing of impeller shield rings after adjusting the old scrap materials.

supply, delivery and fixing of bronze soft sleeve after adjusting the old scrap materials.

supply, delivery and fixing of water thrower after adjusting the old scrap materials.

supply ,delivery and fixing of stuffing box bush after adjusting the old scrap materials.

supply ,delivery and fixing of pump bearing for NDE side SKFsuitable size imported Ball bearing after adjusting the old scrap materials.

supply ,delivery and fixing of pump bearing for DE side SKFsuitable size imported ROLLER bearing after adjusting the old scrap materials.

Charges for supply and fixing of CI sleeves for the bearing housing in the place of wornout area of the bearing

supply, delivery and fixing of new impeller after adjusting the old scrap materials.

supply, delivery and fixing of pully coupling set after adjusting the old scrap materials.

Assembling the entire pump casing fire fly gas cut, bolt nuts and lubricants complete

charges for transporting of motor and pump from the work shop to pump house.unloading and aligning the pump fixing with motor and checking the alignment for zero -zero accuracy, providng terminal connections and commissioning sucessfully to good working conditions and painting etc.complete

50 HP HSC Pumpset (Squirrel gauge Induction Motor) - 1 No

Labour charges for disconnecting the electrical connection in the motor and removing the motor from the bed in the Booster station including conveyance to workshop.

Charges for dismantling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, pre heating, vacuum impregnating the winding with Domisol resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap.

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6310 for NDE properly after deducting the cost of damaged bearing

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6311 for DE properly after deducting the cost of damaged bearing

Supply, delivery and fixing the Tyre coupling

Labour charges for Re erecting the motor in the Booster station and commissioning including the cost of conveyance from workshop to Booster station.

Change for removing damage bearing Cover sleeve from the motor body and fixing the new cover sleeve for NDE properly including cost of materials.

Change for removing damage bearing Cover sleeve from the motor body and fixing the new sleeve for DE properly including cost of materials.

Change for welding the eaten portion of the shaft and grinding the same to suit the bearing for DE and NDE.

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

Rotor Balancing Charges

Change removing the damaged terminal board from the terminal box and fixing the new terminal board including the cost of materials

50 HP HSC Pump

Charges for removing the top cover of pump removing the impeller shaft and all other rotating damaged and worn out materials from the rotating assembly like bearing shaft, sleeves, stuffing box, bushes and flexible coupling from impeller shaft of the pump set by using chain block to the pump house and carrying to work shop.

Charges for supply and fixing SS 304 pump suitable size shaft after adjusting the old scrap

Charges for impeller damaged portion, grinding V-groove making brazing the same bronze material machining dynamic balancing of impeller to avoid vibration of pump.

Supply, Delivery and fixing of impeller shield rings after adjusting the old scrap materials

Supply, Delivery and fixing of bronze soft sleeve after adjusting the old scrap materials

Supply, Delivery and fixing of water thrower after adjusting the old scrap materials

Supply, Delivery and fixing of stuffing box bush, after adjusting the old scrap materials

Supply, Delivery and fixing of pump bearing for DE side, SKF suitable size imported Roller bearing after adjusting the old scrap materials

Supply, Delivery and fixing of pump bearing for NDE side, SKF suitable size imported Ball bearing after adjusting the old scrap materials

Charges for supply and fixing of CI sleeves for the bearing housing in the place of worn out area of the bearing seating portion, machining grinding to match bearing for DE & NDE side.

Supply, Delivery and fixing of New impeller after adjusting the old scrap materials: 1292 lpm x 89m

Supply, Delivery and fixing of pully coupling set after adjusting the old scrap materials

Assembling the entire pump casing firefly gasket, bolt, nuts and lubricants complete.

Charges for transporting of motor and pump from the workshop to pump house, unloading, aligning the pump, fixing with motor and checking the alignment for Zero-Zero accuracy, providing terminal connections and commissioning successfully to good working conditions and painting, etc complete.

Rewinding of coil for following HP Motor of HSC Pumpsets including all material, labour, etc.

75 HP HSC Motor - 2 Nos

Removing the 75 HP motor terminal connection including pulley assembly and bed bolts lifting the motor from the base loading the motor in the truck, transporting the motor from pump house to workshop etc., complete

Charges for dismantling the motor at workshop by removing the end covers, worn out bearings, bearings housing, rotor assembly and removing the burnt wires in the stator coil by special tools etc., complete

Charges for towards restacking the main stator core for a length of 10 using Dr.Becks CPV 4000 varnish mixed with thinner 205 backing in over to cure the core plate varnish cleaning and polishing slots ready for feeding etc., complete

Charges for complete rewinding of stator core by new high grade copper wire inside the slot each layer by layer F class paper covered by insulation properly seating the winding inside the slot and not came out in the centrifugal action, applying high quality Dr. Beck air drying insulating varnish for protect the windings to the motor terminals by providing new flexile copper leads and fixing terminal plate with new bolts & nuts, checking winding resistance,IR value of stator core complete the rate after adjusted the old scrap wires etc., complete

Charges for providing bearing housing sleeve in Cl materials to correct the bearing seating area to rectify the loose condition etc., complete.

Supply, delivery and fixing DE side NU 314 C3 Roller bearing after adjusting old scrap materials.

Supply, delivery and fixing NDE side 6314 C3 ball bearing after adjusting old scrap materials.

Supply, Delivery and Fixing of 90 Tyre Coupling incl 12mm bolts and nuts after adjusting old scrap materials.

Checking the rotor dynamic balancing fixing all components assembly the rotor etc., complete

Charges for assembling the motor by inserting the rotor assembly into the stator core with proper arrangements and seating the bearings carefully by special tool arrangement, in the end covers and fixing the motor body, terminal board connecting the winding leads etc., complete (including Transporting charges workshop to pump house)

Supply and delivery 75HP KEC Terminal Board with Bress washers etc, complete.

75 HP HSC Pump- 2 Nos

Dismantling and removing the top cover of pump, removing the impeller shaft and all other rotating damaged and worn out materials from the rotating assembly including Labour & Tools etc., complete.

Charges for reconditioning the pump shaft damaged worn out portion SS welding, bend removing by using Hydraulic machine and lathe work, machining, grinding the bearing seating area in the pump shaft including cost of material and labour cost etc., complete.

Charges for reconditioning Impeller worn out damaged portion, grinding V- Groove metal filling brazing the same bronze welding rod and lathe work machining, grinding, polishing dynamic balancing of Impeller to avoid vibration of pump including cost of material and labour etc., complete.

Supply and fixing of New Bronze Shaft Sleeve after deducted the old scrap material. etc., complete.

Supply and fixing of Impeller Shield Ring after deducted the old scrap material. etc., complete.

Supply and fixing of Rope Gland Stud after deducted the old scrap material etc., complete.

Supply and fixing of Water thrower after deducted the old scrap material. etc., complete.

Supply, delivery and fixing of Pump bearings for NDE & DE Side 6309/C3 after deducted the old scrap material etc., complete..

Supply and fixing pump rotating firefly gasket, graphite rope, bolt & nut, lubricant etc after deducted old scraps etc., complete.

Charges for assembling the pump rotating element fixing gunmetal impeller, sleeves, wear ring and checking the alignment including cost of labour etc., complete.

Charges for the bed alignment the pump fixing with motor and checking the alignment for Zero - Zero accuracy. Providing terminal connections and commissioning successfully to good working conditions and painting etc., complete.

Labour charges for rewinding the following capacity of openwell submersible pumpset with new PVC insulated copper wire incl.removal of burnout coil,servicing the motor,replacing of bush,bearings shaftetc

for 2 HP Open well submersible pumpset - 2 Nos

Charges for removing the pump impeller casing and finding faults in them etc., complete.

Removing the wornout thrust bearing Supply and fixing of thrust bearing etc., complete. after adjusting the cost of scrap materials

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc., complete. after adjusting the old scrap materials.

Supply and fixing of motor top and bottom bush bearing etc., complete. after deducting the old scrap materials.

Supply and fixing of casing bush etc., complete. after deducting the old scrap materials.

Supply and fixing of New impeller etc., complete. after deducting the old scrap materials.

Supply and fixing of shaft sleeves etc., complete. after deducting the old scrap materials.

Supply and fixing of oil seal etc., complete.

Re-assembling the pumpset impeller, casing, painting and testing etc., complete.

for 3 HP Open well submersible pumpset - 3 Nos

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 5 HP Open well submersible pumpset - 7 Nos

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 7.5 HP Open well submersible pumpset - 2 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of new impeller cost deducting the old scrap materials values

Supply and fixing of oil seal.

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 10.00 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them etc., complete.

Removing the wornout thrust bearing Supply and fixing of thrust bearing etc., complete. cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc., complete. cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing etc., complete. cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves etc., complete. cost deducting the old scrap materials values

Supply delivery and fixing of casing bush etc., complete. cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller etc., complete. cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc., complete.

Rewinding of the following Centrifugal mono block pumpset's with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

For 5 HP Mono Block Pumpset - 2 Nos

Removing the damaged wornout cooling fan, bearing, shaft sleeves, bushes and implier from the pump shaft

Removing the old burnt winding wire from the stator core cleaning stamping and damaged slats and rewinding the new copper winding wire and F class insulation materials using Dr.Beg insulating varnish oven heating and testing tec after deducting the old scraps materials

Supply and Fixing of DE and NDE ball bearing after deducting the old scraps materials

Supply of bronze metal pipe, following machining works of suitable size cutting, facing, turning, boring, grinding, polishing and fixing the bush to rotor after deducting the old scraps materials

Charges for dynamic balance check for the motor rotor including cost of welding, shaft turning, grinding, powder polishing etc.

Charges for re re-assembling the implier, cooling fan, pump assembly, finally motor testing and painting

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

3 HP Monoblock Pumpset - 1 Nos

Removing the damaged worn out cooling fan, bearing, shaft, sleeve, bushes and impeller from the pump shaft.

Removing the old burnt winding wire from the stator core cleaning stamping and damaged slots and rewinding the new copper winding wire and F class insulation materials using Dr.Beg insulation varnish oven heating and testing etc. after adjusting the old scrap copper materials etc after adjusting the old scrap materials.

Supply and delivery of shaft sleeves bushes.

Supply of braze metal pipe, following machining work of suitable size cutting, facing, turning, boring, grinding, polishing, and fixing the bush to rotor after the old scrap materials

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

For Bolt and Nut - 3 Kg

For 2 HP Mono Block Pumpset

Removal of motor parts rotor and end shields and removal of copper wire and cleaning the core and rewinding the 2 HP motor using varnish and necessary winding materials using new DE and NDE bearings of pumpset for painting and commissioning charge etc. complete.

Electro mechanical accessories in various location under AM of CWSS

Supply and fixing of following directly operated bimetallic thermal over load relay which operates in case of over load and also in case of under voltage with manual and auto reset model

Supply , delivery and fixing of DI-ELECTRIC CAPACITOR WITH TNEB TEST CERTIFICATE WITH ACCESSORIES INCLUDING BANKING CONFORMIING TO IS 2834

Chemicals

Supply and delivery of Alum (Sulphate of Alumino Ferric) required for Water Treatment Plants confirming to IS specification 299/ 1980 and as amended from time to time for delivery at anywhere in Coimbatore District including loading, freight, unloading, transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Supply and delivery of Liquid Chlorine as per IS Specification (with Chlorine 99.8%, Moisture, Na2O3, Hydrogen and Carbondioxide are to be nil) required for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Description of Work / Item(s)

Amount

CWSS to VC&RI, Erumaipatty RTP and 64 Rural Habitations in Mohanur and Namakkal Union in Namakkal District

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 Part - IV of Technical Bid, carrying out the O&M as per standard operating procedures, Acts and rules in force etc., complete and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair in pipes and specials and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure and Electricity charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Repair and Renewals For a period from 01.11.2023 to 31.03.2024

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

Attending leak in AC / PSC Pipe joint with lead and hemp yarn including charges for carry out Earthwork excavation, Dewatering, Jointing and proper refilling the trench after completion of work for the following Size of AC / PSC Pipe and as directed by TWAD Board officers.

150mm AC pipes Collar Joint

200mm AC pipes Collar Joint

250mm AC pipes Collar Joint

300mm AC pipes Collar Joint

400mm AC pipes Collar Joint

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, including 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.

150mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

200mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

250mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

300mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

300mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, excluding cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.6.4 of General conditions of Contract - Part II.

150 mm AC pipes of all Classes with required size of MS pipe including cost of pipe

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

60000 Liters capacity of sump

100000 Liters capacity of sump

400000 Liters capacity of sump

Labour charges for rewinding the following capacity of openwell submersible pumpset with new PVC insulated copper wire incl.removal of burnout coil,servicing the motor,replacing of bush,bearings shaftetc

for 3 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

Rewinding of the following Centrifugal mono block pumpset's with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

For 7.50 HP Mono Block Pumpset

Removal of HP centrifugal pumpset and its accessories for attending repairs etc. complete.

Removing the damaged winding wire and stator cleaning and rewinding the stator with ‘F’ class insulation materials applying two coats Dr. Beck insulation varnish etc. after adjusting old scrap materials.

Supply and fixing of DE& NDE side bearings after adjusting old scrap materials.

Supply and fixing of DE & NDE side bearing sleeves including lathe works after adjusting old scrap materials.

Supply and fixing of rope gland stud with SS nuts after adjusting old scrap materials.

Supply and fixing of Gun metal pump bush including lathe works after adjusting old scrap materials.

Reassembling the stator and rotor completely, painting and testing etc.

Supply and Delivery of bolt and nut. (8.58 KG)

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

Rewinding of the following HSC pumpset's (Squirrel gauge Induction Motor) with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

20 HP HSC Pumpset for - 1 No

Labour charges for disconnecting the electrical connection in the motor and removing the motor from the bed in the Booster station including conveyance to workshop.

Charges for dismantling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, pre heating, vacuum impregnating the winding with Domisol resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap.

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6309 for NDE properly after deducting the cost of damaged bearing

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size NU 309 for DE properly after deducting the cost of damaged bearing

Change for removing damage bearing Cover sleeve from the motor body and fixing the new cover sleeve for NDE properly including cost of materials.

Change for removing damage bearing Cover sleeve from the motor body and fixing the new sleeve for DE properly including cost of materials.

Change for welding the eaten portion of the shaft and grinding the same to suit the bearing for DE and NDE.

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

Rotor Balancing Charges

Change removing the damaged terminal board from the terminal box and fixing the new terminal board including the cost of materials

Supply, delivery and fixing the Tyre coupling

Labour charges for Re erecting the motor in the Booster station and commissioning including the cost of conveyance from workshop to Booster station.

25 HP HSC motor for - 1 No

Labour charges for disconnecting the electrical connection in the motor and removing the motor from the bed in the Booster station including conveyance to workshop.

Labour charge for dismandling the motor by removing end covers, both side worns out bearings, rotor core assembly carefully, etc. removing the burnt stator winding wires from slot by special tool arrangements, cleaning the stator core by compressor air, pressurizing water with cleaning agents, preheating of the stator core in the high capacity oven for removing the moisture in the stator core and applying two coat of Dr.beg insulating varnish in stator core, complete etc.

Charges for dismandling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, pre heating, vacuum impregnating the winding with Domisol resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap.

Supply of Bearing NU 6313 DE side labour charges for old bearing remove and fixing the new bearing and etc.,

Supply of Bearing 6311 NDE side labour charges for old bearing remove and fixing the new bearing and etc.,

Lathe work of Motor cover DE and NDE costing sleeve Turning and grinding charge

Lathe work of rotor shaft Welding and grinding charge

Supply and delivery of Terminal Board

Supply and delivery of Tyre coupling

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

Rotor Balancing Charges

Reassembling the motor and conveyed work shop to pump House re erecting the motor and testing

60 HP HSC Pumpset (Squirrel gauge Induction Motor) - 2 Nos

Labour charge for removing of electrical connection in the stator side, earth, supporting bolt & nuts, flexible tyre coupling induction motor and lifting the motor from base frame to floor by movable pulley block arrangements at pump house

Labour charge for dismantling the motor by removing end covers, both side wornout bearings rotor core assembly carefully, etc. removing the burnt stator winding weirs from slot by special tool arrangements, cleaning the stator core by compressor air, pressurizing water with cleaning agents, preheating of the stator core in the high capacity oven for removing the moisture in the stator core and applying two coat of Dr.beg insulating varnish in stator core, complete etc.

Charges for dismantling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, preheating, vacuum impregnating the winding with Domical resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap.

Supply of Bearing NU 6313 DE side labour charges for old bearing remove and fixing the new bearing and etc

Supply of Bearing 6311 NDE side labour charges for old bearing remove and fixing the new bearing and etc

Lathe work of Motor cover DE and NDE costing sleeve Turning and grinding charge

Lathe work of rotor shaft Welding and grinding charge

Supply and delivery of Terminal Board

Supply and delivery of Tyre coupling

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

Rotor Balancing Charges

Reassembling the motor at pump house and testing.

Labour charges for removing the following HSC pump top cover and dismandling the rotating assembly including removal of bearing, locknut, shaft sleeves, impeller neck ring,bush coller etc., replacing of all wornout spares, reconditioning of pump shaft (with minimum one year Guarantee).

20 HP HSC Pump for - 1 No

Removing the pump from the bed in the Booster Station conveyed to workshop

Supply and Delivery of DE N 6305 Bearing Suitable

Supply and Delivery of NDE 6305 Bearing Suitable

Supply and Delivery of packing sheet & Rope and Grease and cooling Tube

Supply and Delivery of Brass Shield Ring Suitable

Supply and Delivery of Tyre Couppler SF 70

Supply and Delivery of Shaft Sleeve

Lathe work of Bearing Cover DE and NDE costing Sleeve Turning and grainding charge

Supply and Delivery of Pump Shaft

Reassembling the Pump and Conveyed to Booster Station from workshop re-erecting the pump and testing

25 HP HSC Pump for - 1 No

Charges for Disconnecting the pump from suction and delivery pipes and removing the pump from the bed in the Booster Station conveyed to workshop and dismantling the pump.

Charges for removing damaged barring from the shaft and fixing the new bearing of size 6308 for NDE 308 for DE propertly after deducting the cost of old bearing

Charges for removing the damaged cover sleeve from the pump body and fixing the new cover sleeve for NDE

Charges for removing the damaged cover sleeve from the pump body and fixing the new cover sleeve for DE

Charges for welding the wornout parts of shaft both ends and grinding the same to suit the new bearing.

Charges for removing the damaged SS bush from the shaft and fixing the new SS bush properly including the cost of materilals

Charges for removing the damaged neck ring from the shaft and fixing the new neck ring properly including the cost of materials

Reassembling the pump with shaft impeller using new packing sheet, new rope and new SS bolt & nuts properly

Supply and fixing new bronze impeller (after deducting old scraps value)

Supply and fixing of 25HP pump set rope gland with stud.(after deducting old scraps value)

60 HP HSC Pump for 2 Nos

Charges for removing the top cover of pump removing the impeller shaft and all other rotating damaged and worn out materilas from the roating assembly like bearing shaft, sleeves, stuffing box, bushes and flexible coupling from impeller shaft of the pump set by using chain block to the pump house and carrying to work shop.

Charges for supply and fixing SS 304 pump suitable size shaft adjusting the old scrap

Charges for impeller damaged portion, grinding V-groove making brazing the same bronze material machining dynamic balancing of impeller to avoid vibration of pump.

Supply, delivery and fixing of impeller shield rings after adjusting the old scrap materials

Supply, delivery and fixing of bronze soft sleeve after adjusting the old scrap materials

Supply, delivery and fixing of water thrower after adjusting the old scrap materials

Supply, delivery and fixing of stuffing box bush, after adjusting the old scrap materials

Supply, delivery and fixing of pump bearing for DE side, SKF suitable size imported roller bearing after adjusting the old scrap materials.

Supply, delivery and fixing of pump bearing for DE side, SKF suitable size imported ball bearing after adjusting the old scrap materials.

Charges for supply and fixing of CL sleeves for the bearing housing in the place of worn out area of the bearing seating portion, machining grinding to match bearing for DE & NDE side.

Supply, delivery and fixing of new impeller, after adjusting the old scrap materials

supply, delivery and fixing of pully coupling set after adjusting the old scrap materials.

Assembling the entire pump casing firefly gasket, bot, nuts and lubricants complete.

Charges for transporting of motor and pump from the workshop to pump house, unloading, aligning the pum, fixing with motor and checking the alignment for zero-zero accuracy, providing terminal connections and commissioning successfully to good working conditions and painting, etc complete.

Labour charge for Reerection of following capacities of HSC Pumpset after attending repairs

20 HP HSC Pumpset

25 HP HSC Pumpset

60 HP HSC Pumpset

Labour charge for Removal of following capacities of HSC Pumpset to attending repairs

20 HP HSC Pumpset

25 HP HSC Pumpset

60 HP HSC Pumpset

Repair and Renewals For a period from 01.04.2024 to 31.03.2025

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

Attending leak in AC / PSC Pipe joint with lead and hemp yarn including charges for carry out Earthwork excavation, Dewatering, Jointing and proper refilling the trench after completion of work for the following Size of AC / PSC Pipe and as directed by TWAD Board officers.

150mm AC pipes Collar Joint

200mm AC pipes Collar Joint

250mm AC pipes Collar Joint

300mm AC pipes Collar Joint

400mm AC pipes Collar Joint

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, including 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.

150mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

200mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

250mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

300mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

300mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, excluding cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.6.4 of General conditions of Contract - Part II.

150 mm AC pipes of all Classes with required size of MS pipe including cost of pipe

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

60000 Liters capacity of sump

100000 Liters capacity of sump

400000 Liters capacity of sump

Labour charges for rewinding the following capacity of openwell submersible pumpset with new PVC insulated copper wire incl.removal of burnout coil,servicing the motor,replacing of bush,bearings shaftetc

for 3 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

Rewinding of the following Centrifugal mono block pumpset's with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

For 7.50 HP Mono Block Pumpset

Removal of HP centrifugal pumpset and its accessories for attending repairs etc. complete.

Removing the damaged winding wire and stator cleaning and rewinding the stator with ‘F’ class insulation materials applying two coats Dr. Beck insulation varnish etc. after adjusting old scrap materials.

Supply and fixing of DE& NDE side bearings after adjusting old scrap materials.

Supply and fixing of DE & NDE side bearing sleeves including lathe works after adjusting old scrap materials.

Supply and fixing of rope gland stud with SS nuts after adjusting old scrap materials.

Supply and fixing of Gun metal pump bush including lathe works after adjusting old scrap materials.

Reassembling the stator and rotor completely, painting and testing etc.

Supply and Delivery of bolt and nut ,

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

Rewinding of the following HSC pumpset's (Squirrel gauge Induction Motor) with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

20 HP HSC Pumpset

Labour charges for disconnecting the electrical connection in the motor and removing the motor from the bed in the Booster station including conveyance to workshop.

Charges for dismantling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, pre heating, vacuum impregnating the winding with Domisol resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap.

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6309 for NDE properly after deducting the cost of damaged bearing

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size NU 309 for DE properly after deducting the cost of damaged bearing

Change for removing damage bearing Cover sleeve from the motor body and fixing the new cover sleeve for NDE properly including cost of materials.

Change for removing damage bearing Cover sleeve from the motor body and fixing the new sleeve for DE properly including cost of materials.

Change for welding the eaten portion of the shaft and grinding the same to suit the bearing for DE and NDE.

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

Rotor Balancing Charges

Change removing the damaged terminal board from the terminal box and fixing the new terminal board including the cost of materials

Supply, delivery and fixing the Tyre coupling

Labour charges for Re erecting the motor in the Booster station and commissioning including the cost of conveyance from workshop to Booster station.

25 HP HSC motor - 1 No

Labour charges for disconnecting the electrical connection in the motor and removing the motor from the bed in the Booster station including conveyance to workshop.

Labour charge for dismandling the motor by removing end covers, both side worns out bearings, rotor core assembly carefully, etc. removing the burnt stator winding wires from slot by special tool arrangements, cleaning the stator core by compressor air, pressurizing water with cleaning agents, preheating of the stator core in the high capacity oven for removing the moisture in the stator core and applying two coat of Dr.beg insulating varnish in stator core, complete etc.

Charges for dismandling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, pre heating, vacuum impregnating the winding with Domisol resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap.

Supply of Bearing NU 6313 DE side labour charges for old bearing remove and fixing the new bearing and etc.,

Supply of Bearing 6311 NDE side labour charges for old bearing remove and fixing the new bearing and etc.,

Lathe work of Motor cover DE and NDE costing sleeve Turning and grinding charge

Lathe work of rotor shaft Welding and grinding charge

Supply and delivery of Terminal Board

Supply and delivery of Tyre coupling

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

Rotor Balancing Charges

Reassembling the motor and conveyed work shop to pump House re erecting the motor and testing

60 HP HSC Pumpset (Squirrel gauge Induction Motor) - 2 Nos

Labour charge for removing of electrical connection in the stator side, earth, supporting bolt & nuts, flexible tyre coupling induction motor and lifting the motor from base frame to floor by movable pulley block arrangements at pump house

Labour charge for dismantling the motor by removing end covers, both side wornout bearings rotor core assembly carefully, etc. removing the burnt stator winding weirs from slot by special tool arrangements, cleaning the stator core by compressor air, pressurizing water with cleaning agents, preheating of the stator core in the high capacity oven for removing the moisture in the stator core and applying two coat of Dr.beg insulating varnish in stator core, complete etc.

Charges for dismantling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, preheating, vacuum impregnating the winding with Domical resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap.

Supply of Bearing NU 6313 DE side labour charges for old bearing remove and fixing the new bearing and etc

Supply of Bearing 6311 NDE side labour charges for old bearing remove and fixing the new bearing and etc

Lathe work of Motor cover DE and NDE costing sleeve Turning and grinding charge

Lathe work of rotor shaft Welding and grinding charge

Supply and delivery of Terminal Board

Supply and delivery of Tyre coupling

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

Rotor Balancing Charges

Reassembling the motor at pump house and testing.

Labour charges for removing the following HSC pump top cover and dismandling the rotating assembly including removal of bearing, locknut, shaft sleeves, impeller neck ring,bush coller etc., replacing of all wornout spares, reconditioning of pump shaft (with minimum one year Guarantee).

20 HP HSC Pump for - 1 No

Removing the pump from the bed in the Booster Station conveyed to workshop

Supply and Delivery of DE N 6305 Bearing Suitable

Supply and Delivery of NDE 6305 Bearing Suitable

Supply and Delivery of packing sheet & Rope and Grease and cooling Tube

Supply and Delivery of Brass Shield Ring Suitable

Supply and Delivery of Tyre Couppler SF 70

Supply and Delivery of Shaft Sleeve

Lathe work of Bearing Cover DE and NDE costing Sleeve Turning and grainding charge

Supply and Delivery of Pump Shaft

Reassembling the Pump and Conveyed to Booster Station from workshop re-erecting the pump and testing

25 HP HSC Pump

Charges for Disconnecting the pump from suction and delivery pipes and removing the pump from the bed in the Booster Station conveyed to workshop and dismantling the pump.

Charges for removing damaged barring from the shaft and fixing the new bearing of size 6308 for NDE 308 for DE propertly after deducting the cost of old bearing

Charges for removing the damaged cover sleeve from the pump body and fixing the new cover sleeve for NDE

Charges for removing the damaged cover sleeve from the pump body and fixing the new cover sleeve for DE

Charges for welding the wornout parts of shaft both ends and grinding the same to suit the new bearing.

Charges for removing the damaged SS bush from the shaft and fixing the new SS bush properly including the cost of materilals

Charges for removing the damaged neck ring from the shaft and fixing the new neck ring properly including the cost of materials

Reassembling the pump with shaft impeller using new packing sheet, new rope and new SS bolt & nuts properly

Supply and fixing new bronze impeller (after deducting old scraps value)

Supply and fixing of 25HP pump set rope gland with stud.(after deducting old scraps value)

60 HP HSC Pump for 2 Nos

Charges for removing the top cover of pump removing the impeller shaft and all other rotating damaged and worn out materilas from the roating assembly like bearing shaft, sleeves, stuffing box, bushes and flexible coupling from impeller shaft of the pump set by using chain block to the pump house and carrying to work shop.

Charges for supply and fixing SS 304 pump suitable size shaft adjusting the old scrap

Charges for impeller damaged portion, grinding V-groove making brazing the same bronze material machining dynamic balancing of impeller to avoid vibration of pump.

Supply, delivery and fixing of impeller shield rings after adjusting the old scrap materials

Supply, delivery and fixing of bronze soft sleeve after adjusting the old scrap materials

Supply, delivery and fixing of water thrower after adjusting the old scrap materials

Supply, delivery and fixing of stuffing box bush, after adjusting the old scrap materials

Supply, delivery and fixing of pump bearing for DE side, SKF suitable size imported roller bearing after adjusting the old scrap materials.

Supply, delivery and fixing of pump bearing for DE side, SKF suitable size imported ball bearing after adjusting the old scrap materials.

Charges for supply and fixing of CL sleeves for the bearing housing in the place of worn out area of the bearing seating portion, machining grinding to match bearing for DE & NDE side.

Supply, delivery and fixing of new impeller, after adjusting the old scrap materials

supply, delivery and fixing of pully coupling set after adjusting the old scrap materials.

Assembling the entire pump casing firefly gasket, bot, nuts and lubricants complete.

Charges for transporting of motor and pump from the workshop to pump house, unloading, aligning the pum, fixing with motor and checking the alignment for zero-zero accuracy, providing terminal connections and commissioning successfully to good working conditions and painting, etc complete.

Labour charge for Reerection of following capacities of HSC Pumpset after attending repairs

20 HP HSC Pumpset

25 HP HSC Pumpset

60 HP HSC Pumpset

Labour charge for Removal of following capacities of HSC Pumpset to attending repairs

20 HP HSC Pumpset

25 HP HSC Pumpset

60 HP HSC Pumpset

Repair and Renewals For a period from 01.07.2025 to 31.03.2026

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

Attending leak in AC / PSC Pipe joint with lead and hemp yarn including charges for carry out Earthwork excavation, Dewatering, Jointing and proper refilling the trench after completion of work for the following Size of AC / PSC Pipe and as directed by TWAD Board officers.

150mm AC pipes Collar Joint

200mm AC pipes Collar Joint

250mm AC pipes Collar Joint

300mm AC pipes Collar Joint

400mm AC pipes Collar Joint

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, including 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.

150mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

200mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

250mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

300mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

300mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, excluding cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.6.4 of General conditions of Contract - Part II.

150 mm AC pipes of all Classes with required size of MS pipe including cost of pipe

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

60000 Liters capacity of sump

100000 Liters capacity of sump

400000 Liters capacity of sump

Labour charges for rewinding the following capacity of openwell submersible pumpset with new PVC insulated copper wire incl.removal of burnout coil,servicing the motor,replacing of bush,bearings shaftetc

for 3 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

Rewinding of the following Centrifugal mono block pumpset's with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

For 7.50 HP Mono Block Pumpset

Removal of HP centrifugal pumpset and its accessories for attending repairs etc. complete.

Removing the damaged winding wire and stator cleaning and rewinding the stator with ‘F’ class insulation materials applying two coats Dr. Beck insulation varnish etc. after adjusting old scrap materials.

Supply and fixing of DE& NDE side bearings after adjusting old scrap materials.

Supply and fixing of DE & NDE side bearing sleeves including lathe works after adjusting old scrap materials.

Supply and fixing of rope gland stud with SS nuts after adjusting old scrap materials.

Supply and fixing of Gun metal pump bush including lathe works after adjusting old scrap materials.

Reassembling the stator and rotor completely, painting and testing etc.

Supply and Delivery of bolt and nut ,

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

Rewinding of the following HSC pumpset's (Squirrel gauge Induction Motor) with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

20 HP HSC Pumpset

Labour charges for disconnecting the electrical connection in the motor and removing the motor from the bed in the Booster station including conveyance to workshop.

Charges for dismantling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, pre heating, vacuum impregnating the winding with Domisol resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap.

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size 6309 for NDE properly after deducting the cost of damaged bearing

Charges for removing the damaged bearing from the shaft and fixing of new bearing of size NU 309 for DE properly after deducting the cost of damaged bearing

Change for removing damage bearing Cover sleeve from the motor body and fixing the new cover sleeve for NDE properly including cost of materials.

Change for removing damage bearing Cover sleeve from the motor body and fixing the new sleeve for DE properly including cost of materials.

Change for welding the eaten portion of the shaft and grinding the same to suit the bearing for DE and NDE.

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

Rotor Balancing Charges

Change removing the damaged terminal board from the terminal box and fixing the new terminal board including the cost of materials

Supply, delivery and fixing the Tyre coupling

Labour charges for Re erecting the motor in the Booster station and commissioning including the cost of conveyance from workshop to Booster station.

25 HP HSC motor - 1 No

Labour charges for disconnecting the electrical connection in the motor and removing the motor from the bed in the Booster station including conveyance to workshop.

Labour charge for dismandling the motor by removing end covers, both side worns out bearings, rotor core assembly carefully, etc. removing the burnt stator winding wires from slot by special tool arrangements, cleaning the stator core by compressor air, pressurizing water with cleaning agents, preheating of the stator core in the high capacity oven for removing the moisture in the stator core and applying two coat of Dr.beg insulating varnish in stator core, complete etc.

Charges for dismandling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, pre heating, vacuum impregnating the winding with Domisol resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap.

Supply of Bearing NU 6313 DE side labour charges for old bearing remove and fixing the new bearing and etc.,

Supply of Bearing 6311 NDE side labour charges for old bearing remove and fixing the new bearing and etc.,

Lathe work of Motor cover DE and NDE costing sleeve Turning and grinding charge

Lathe work of rotor shaft Welding and grinding charge

Supply and delivery of Terminal Board

Supply and delivery of Tyre coupling

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

Rotor Balancing Charges

Reassembling the motor and conveyed work shop to pump House re erecting the motor and testing

60 HP HSC Pumpset (Squirrel gauge Induction Motor) - 2 Nos

Labour charge for removing of electrical connection in the stator side, earth, supporting bolt & nuts, flexible tyre coupling induction motor and lifting the motor from base frame to floor by movable pulley block arrangements at pump house

Labour charge for dismantling the motor by removing end covers, both side wornout bearings rotor core assembly carefully, etc. removing the burnt stator winding weirs from slot by special tool arrangements, cleaning the stator core by compressor air, pressurizing water with cleaning agents, preheating of the stator core in the high capacity oven for removing the moisture in the stator core and applying two coat of Dr.beg insulating varnish in stator core, complete etc.

Charges for dismantling the motor threading out the rotor from the stator core pack, stripping out the old winding, rewinding the stator using dual coated polyamide enameled special made copper wire with F style insulation, preheating, vacuum impregnating the winding with Domical resin, baking in oven, applying finishing varnishes for the overhang portions including assembling and conducting no load trial run at rated voltage including the cost of winding materials required after deducting the cost of copper scrap.

Supply of Bearing NU 6313 DE side labour charges for old bearing remove and fixing the new bearing and etc

Supply of Bearing 6311 NDE side labour charges for old bearing remove and fixing the new bearing and etc

Lathe work of Motor cover DE and NDE costing sleeve Turning and grinding charge

Lathe work of rotor shaft Welding and grinding charge

Supply and delivery of Terminal Board

Supply and delivery of Tyre coupling

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

Rotor Balancing Charges

Reassembling the motor at pump house and testing.

Labour charges for removing the following HSC pump top cover and dismandling the rotating assembly including removal of bearing, locknut, shaft sleeves, impeller neck ring,bush coller etc., replacing of all wornout spares, reconditioning of pump shaft (with minimum one year Guarantee).

20 HP HSC Pump for - 1 No

Removing the pump from the bed in the Booster Station conveyed to workshop

Supply and Delivery of DE N 6305 Bearing Suitable

Supply and Delivery of NDE 6305 Bearing Suitable

Supply and Delivery of packing sheet & Rope and Grease and cooling Tube

Supply and Delivery of Brass Shield Ring Suitable

Supply and Delivery of Tyre Couppler SF 70

Supply and Delivery of Shaft Sleeve

Lathe work of Bearing Cover DE and NDE costing Sleeve Turning and grainding charge

Supply and Delivery of Pump Shaft

Reassembling the Pump and Conveyed to Booster Station from workshop re-erecting the pump and testing

25 HP HSC Pump

Charges for Disconnecting the pump from suction and delivery pipes and removing the pump from the bed in the Booster Station conveyed to workshop and dismantling the pump.

Charges for removing damaged barring from the shaft and fixing the new bearing of size 6308 for NDE 308 for DE propertly after deducting the cost of old bearing

Charges for removing the damaged cover sleeve from the pump body and fixing the new cover sleeve for NDE

Charges for removing the damaged cover sleeve from the pump body and fixing the new cover sleeve for DE

Charges for welding the wornout parts of shaft both ends and grinding the same to suit the new bearing.

Charges for removing the damaged SS bush from the shaft and fixing the new SS bush properly including the cost of materilals

Charges for removing the damaged neck ring from the shaft and fixing the new neck ring properly including the cost of materials

Reassembling the pump with shaft impeller using new packing sheet, new rope and new SS bolt & nuts properly

Supply and fixing new bronze impeller (after deducting old scraps value)

Supply and fixing of 25HP pump set rope gland with stud.(after deducting old scraps value)

60 HP HSC Pump for 2 Nos

Charges for removing the top cover of pump removing the impeller shaft and all other rotating damaged and worn out materilas from the roating assembly like bearing shaft, sleeves, stuffing box, bushes and flexible coupling from impeller shaft of the pump set by using chain block to the pump house and carrying to work shop.

Charges for supply and fixing SS 304 pump suitable size shaft adjusting the old scrap

Charges for impeller damaged portion, grinding V-groove making brazing the same bronze material machining dynamic balancing of impeller to avoid vibration of pump.

Supply, delivery and fixing of impeller shield rings after adjusting the old scrap materials

Supply, delivery and fixing of bronze soft sleeve after adjusting the old scrap materials

Supply, delivery and fixing of water thrower after adjusting the old scrap materials

Supply, delivery and fixing of stuffing box bush, after adjusting the old scrap materials

Supply, delivery and fixing of pump bearing for DE side, SKF suitable size imported roller bearing after adjusting the old scrap materials.

Supply, delivery and fixing of pump bearing for DE side, SKF suitable size imported ball bearing after adjusting the old scrap materials.

Charges for supply and fixing of CL sleeves for the bearing housing in the place of worn out area of the bearing seating portion, machining grinding to match bearing for DE & NDE side.

Supply, delivery and fixing of new impeller, after adjusting the old scrap materials

supply, delivery and fixing of pully coupling set after adjusting the old scrap materials.

Assembling the entire pump casing firefly gasket, bot, nuts and lubricants complete.

Charges for transporting of motor and pump from the workshop to pump house, unloading, aligning the pum, fixing with motor and checking the alignment for zero-zero accuracy, providing terminal connections and commissioning successfully to good working conditions and painting, etc complete.

Labour charge for Reerection of following capacities of HSC Pumpset after attending repairs

20 HP HSC Pumpset

25 HP HSC Pumpset

60 HP HSC Pumpset

Labour charge for Removal of following capacities of HSC Pumpset to attending repairs

20 HP HSC Pumpset

25 HP HSC Pumpset

60 HP HSC Pumpset

Chemicals

Supply and delivery of Alum (Sulphate of Alumino Ferric) required for Water Treatment Plants confirming to IS specification 299/ 1980 and as amended from time to time for delivery at anywhere in Coimbatore District including loading, freight, unloading, transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Supply and delivery of Liquid Chlorine as per IS Specification (with Chlorine 99.8%, Moisture, Na2O3, Hydrogen and Carbondioxide are to be nil) required for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Description of Work / Item(s)

Amount

CWSS to Auto Nagar and 37 Rural Habitations in Mohanur and Namakkal Union in Namakkal District

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 Part - IV of Technical Bid, carrying out the O&M as per standard operating procedures, Acts and rules in force etc., complete and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair in pipes and specials and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure and Electricity charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Repair and Renewals For a period from 01.11.2023 to 31.03.2024

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 6 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 6 KSC pipes - 1m

50mm OD PVC 6 KSC pipes - 2m

63mm OD PVC 4 KSC pipes - 2m

75mm OD PVC 4 KSC pipes - 2m

90mm OD PVC 4 KSC pipes - 2m

110mm OD PVC 4 KSC pipes - 2m

140mm OD PVC 4 KSC pipes - 2m

140mm OD PVC 6 KSC pipes - 2m

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

10000 Liters capacity of sump

30000 Liters capacity of sump

35000 Liters capacity of sump

115000 Liters capacity of sump

Repair and Renewals For a period from 01.04.2024 to 31.03.2025

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 6 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 6 KSC pipes - 1m

50mm OD PVC 6 KSC pipes - 2m

63mm OD PVC 4 KSC pipes - 2m

75mm OD PVC 4 KSC pipes - 2m

90mm OD PVC 4 KSC pipes - 2m

110mm OD PVC 4 KSC pipes - 2m

140mm OD PVC 4 KSC pipes - 2m

140mm OD PVC 6 KSC pipes - 2m

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

10000 Liters capacity of sump

30000 Liters capacity of sump

35000 Liters capacity of sump

115000 Liters capacity of sump

Repair and Renewals For a period from 01.04.2025 to 31.03.2026

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 6 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 6 KSC pipes - 1m

50mm OD PVC 6 KSC pipes - 2m

63mm OD PVC 4 KSC pipes - 2m

75mm OD PVC 4 KSC pipes - 2m

90mm OD PVC 4 KSC pipes - 2m

110mm OD PVC 4 KSC pipes - 2m

140mm OD PVC 4 KSC pipes - 2m

140mm OD PVC 6 KSC pipes - 2m

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

10000 Liters capacity of sump

30000 Liters capacity of sump

35000 Liters capacity of sump

115000 Liters capacity of sump

Chemicals

Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Description of Work / Item(s)

Amount

CWSS to 90 Rural Habitations in Namakkal District

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 Part - IV of Technical Bid, carrying out the O&M as per standard operating procedures, Acts and rules in force etc., complete and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair in pipes and specials and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure and Electricity charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Repair and Renewals For a period from 01.11.2023 to 31.03.2024

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

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, including 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.

250mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

300mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

Attending leak in AC / PSC Pipe joint with lead and hemp yarn including charges for carry out Earthwork excavation, Dewatering, Jointing and proper refilling the trench after completion of work for the following Size of AC / PSC Pipe and as directed by TWAD Board officers.

250mm AC pipes Collar Joint

300mm AC pipes Collar Joint

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

25000 Liters capacity of sump

60000 Liters capacity of sump

150000 Liters capacity of sump

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

30HPHSC MOTOR UNIT NO:I

Charges for Dismantling and removing the 30 HP Motor from base frame assembly for terminal UG Cable connection, pulley assembly, bed bolts and nuts, leading, lifting and loadig the motor to truck

Charges for Dismantling rotor with bearing locking nut and motor end covers with DE and NDE side bearing from the stator body and removing the rotor including cosnumables and T&P etc.,

Charges for supply and delivery of new high grade copper wire of suitable size, rewinding the stator coil fully by using new copper wire by special tool arrangements, providing double sheet of "F" class paper, covering the winding wires in between phases inside the slot and properly supported in the overhang portion of stator windings and appling two coat of Dr,Beg air drying superior qualityinsulating varnish and drying the sator winding for removing the moisture etc., and providing internal connections between coils and properly taking copper leads for external connection with fibre class insulation after adjusting the old scrap etc., complete.

charges to towards making grooving in the damaged portion of the Driven side of the bearing seating area of motor and filling with high quality metals electrode by using welding, machining, grinding and properly checking the alignment and providing sleeve etc., complete.

Supply and fixing of ball bearing 6311/C3 for DE and NDE side 6309 suitable size by using hydraulic pressing system for perfct seating. After adjusting the old scarp materials etc.,

Supply of Servo GEM 3 grease

Labour charges for Grovel test the rotor including cost of metel filling, apply for warnish painting the rotor etc.,

Supply, delivery and fixing Tyre Coupling (Make; Fenner) after deducting th eold scraps meterials

Charges for fabricated and machining of motor rotor lock nut after deducting the old scraps materials

Supply and delivery of terminal plate (copper bolt and nuts) after deducting the old scraps materials

Charges for assembly the motor by inserting the rotor assembly in to the stator core with proper arrangements and seating the bearings; and special tool arrangement in the end covers and fixing the motor body, terminal board connecting the winding leads etc.,

30 HP HSC Pump

Labour charges for dismantling the motor by removing end covers, both side worn bearings, rotor core assembly carefully,etc., cleaning the stator core by compressor air, pressurizing water with cleaning agents, preheating of the stator core in the high capacity oven for removing the moisture in the stator core and applying two coat of Dr. Beg insulating varnish in stator core, complete etc.,

Charges for supply and fixing SS 304 pump shaft of suitable size (after deducting old scrap material)

Charges for impeller damaged portion, grinding V-groove making brazing the same bronze material, machining, dynamic balancing of impeller to avoid vibration of pump.

Supply, delivery and fixing of branze shaft sleeve after adjusting the old scrap materials.

Supply, delivery and fixing of impeller shield rings after adjusted the old scrap materials.

Supply, delivery and fixing of water thrower after adjusting the old scrap materials.

Supply, delivery and fixing of stuffing box bush after adjusting the old scrap materials.

Supply, delivery and fixing of pump bearings for NU 308 C3 DE side, SKF imported bearing after adjusted the old scrap materials.

Supply, delivery and fixing of pump bearings for 6308 C3 NDE side, SKF suitable size ball bearing after adjusted the old scrap materials.

Assembling the entire pump casing using Firefly gasket, bolts, nuts and lubricants complete.

Charges for transporting of pump from workshop to pump house, unloading, aligning th pump, fixing with motor and checking the alignment for zero -zero accuracy. Providing terminal connections and commissioning sucessfully to good working conditions and painting , etc., complete

15 HP HSC Pump

Removing the HSC pump top cover, rotating assembly, tyre coupling, removing terminal connection and base frame of 15HP pump,removing the side covers.

Dismantlilng rotation assembly one by one removing the worn out bearings,shaft sleeves, lock nuts and radial type impellers etc., completer.

Pump main shaft worn oup part SS welding and lath works and SS impeller locking key including lath works etc complete.

Supply and fixing of both side ball bearings double side sleeve work for bearing seating worn out part sleeve works casting+SS materials including lathe works etc., complete.

Supply and fixing of phosphor bronze or SS + casting shaft sleeves with close toleranceto the pump including lath turning works etc complete.

Supply and fixing of phosphor bronze lock nuts including lathe turning works etc.,complete.

Supply and fixing of water throwers, graphite pacing rope, gasket etc.,

Assembling the rotaing assembly by fixing radial type impeller, new shaft sleeve,lock nuts, new bearings etc cover and setting alignment and fixing rotating assembly in to the pump fixing top covers using new bolt nuts and tyre coupling etc., complete.

Rewinding of the following Centrifugal mono block pumpset's with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

For 1 HP Mono Block Pumpset

Removal of motor parts rotor and end shields and removal of copper wire and cleaning the core and rewinding the 1 HP motor using varnish and necessary winding materials using new DE and NDE bearings of pumpset for painting and commissioning charge etc. complete.

For 5 HP Mono Block Pumpset -1 No

Removing the damaged wornout cooling fan, bearing, shaft sleeves, bushes and implier from the pump shaft

Removing the old burnt winding wire from the stator core cleaning stamping and damaged slats and rewinding the new copper winding wire and F class insulation materials using Dr.Beg insulating varnish oven heating and testing tec after deducting the old scraps materials

Supply and Fixing of DE and NDE ball bearing after deducting the old scraps materials

Supply of bronze metal pipe, following machining works of suitable size cutting, facing, turning, boring, grinding, polishing and fixing the bush to rotor after deducting the old scraps materials

Charges for dynamic balance check for the motor rotor including cost of welding, shaft turning, grinding, powder polishing etc.

Charges for re re-assembling the implier, cooling fan, pump assembly, finally motor testing and painting

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

For 7.50 HP Mono Block Pumpset - 1 No

Removal of HP centrifugal pumpset and its accessories for attending repairs etc. complete.

Removing the damaged winding wire and stator cleaning and rewinding the stator with ‘F’ class insulation materials applying two coats Dr. Beck insulation varnish etc. after adjusting old scrap materials.

Supply and fixing of DE& NDE side bearings after adjusting old scrap materials.

Supply and fixing of DE & NDE side bearing sleeves including lathe works after adjusting old scrap materials.

Supply and fixing of rope gland stud with SS nuts after adjusting old scrap materials.

Supply and fixing of Gun metal pump bush including lathe works after adjusting old scrap materials.

Reassembling the stator and rotor completely, painting and testing etc.

Supply and Delivery of bolt and nut ,

for 2 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them etc., complete.

Removing the wornout thrust bearing Supply and fixing of thrust bearing etc., complete. after adjusting the cost of scrap materials

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc., complete. after adjusting the old scrap materials.

Supply and fixing of motor top and bottom bush bearing etc., complete. after deducting the old scrap materials.

Supply and fixing of casing bush etc., complete. after deducting the old scrap materials.

Supply and fixing of New impeller etc., complete. after deducting the old scrap materials.

Supply and fixing of shaft sleeves etc., complete. after deducting the old scrap materials.

Supply and fixing of oil seal etc., complete.

Re-assembling the pumpset impeller, casing, painting and testing etc., complete.

for 3 HP Open well submersible pumpset - 3 Nos

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 5 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

Labour charge for Reerection of following capacities of HSC Pumpset after attending repairs

15 HP HSC Pump

30 HP HSC Pump

Labour charge for Removal of following capacities of HSC Pumpset to attending repairs

15 HP HSC Pump

30 HP HSC Pump

Supply and delivery of following moulded case circuit breaker (MCCB)-3 Pole

63 A MCCB

32 A MCCB

Supply and delivery of following capacities of electro magnetic contactors of suitable capacity in AC three phase rating conforming to IS / IEC 60947

Supply and fixing of following directly operated bimetallic thermal over load relay with manual and auto reset model

Supply and delivery of following power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440v 50 HZ conforming to ISS with ISI marking

2 KVAR Capacitor

3 KVAR Capacitor

6 KVAR Capacitor

Supply , delivery and fixing of single phase preventer.

Supply and fixing of 20 Watts 4 feet LED fitting with LED.

Supply and fixing of 30 Watts LED out door street light fitting with LED.

Supply and delivery of 150 mm dia pressure Gauge and caccum guage including all accessories as per specification (For suction and delivery to be mounted on wall on teak wlld Board)

Supply of (Servo) 20-40 w grade lubricant oil.

Supply and Delivery of 50mm GM Gate Valve

Supply and delivery of 50 mm G.I pipe(medium).

Repair and Renewals For a period from 01.04.2024 to 31.03.2025

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

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, including 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.

250mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

300mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

Attending leak in AC / PSC Pipe joint with lead and hemp yarn including charges for carry out Earthwork excavation, Dewatering, Jointing and proper refilling the trench after completion of work for the following Size of AC / PSC Pipe and as directed by TWAD Board officers.

250mm AC pipes Collar Joint

300mm AC pipes Collar Joint

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

25000 Liters capacity of sump

60000 Liters capacity of sump

150000 Liters capacity of sump

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

30HPHSC MOTOR UNIT NO:I

Charges for Dismantling and removing the 30 HP Motor from base frame assembly for terminal UG Cable connection, pulley assembly, bed bolts and nuts, leading, lifting and loadig the motor to truck

Charges for Dismantling rotor with bearing locking nut and motor end covers with DE and NDE side bearing from the stator body and removing the rotor including cosnumables and T&P etc.,

Charges for supply and delivery of new high grade copper wire of suitable size, rewinding the stator coil fully by using new copper wire by special tool arrangements, providing double sheet of "F" class paper, covering the winding wires in between phases inside the slot and properly supported in the overhang portion of stator windings and appling two coat of Dr,Beg air drying superior qualityinsulating varnish and drying the sator winding for removing the moisture etc., and providing internal connections between coils and properly taking copper leads for external connection with fibre class insulation after adjusting the old scrap etc., complete.

charges to towards making grooving in the damaged portion of the Driven side of the bearing seating area of motor and filling with high quality metals electrode by using welding, machining, grinding and properly checking the alignment and providing sleeve etc., complete.

Supply and fixing of ball bearing 6311/C3 for DE and NDE side 6309 suitable size by using hydraulic pressing system for perfct seating. After adjusting the old scarp materials etc.,

Supply of Servo GEM 3 grease

Labour charges for Grovel test the rotor including cost of metel filling, apply for warnish painting the rotor etc.,

Supply, delivery and fixing Tyre Coupling (Make; Fenner) after deducting th eold scraps meterials

Charges for fabricated and machining of motor rotor lock nut after deducting the old scraps materials

Supply and delivery of terminal plate (copper bolt and nuts) after deducting the old scraps materials

Charges for assembly the motor by inserting the rotor assembly in to the stator core with proper arrangements and seating the bearings; and special tool arrangement in the end covers and fixing the motor body, terminal board connecting the winding leads etc.,

30 HP HSC Pump

Labour charges for dismantling the motor by removing end covers, both side worn bearings, rotor core assembly carefully,etc., cleaning the stator core by compressor air, pressurizing water with cleaning agents, preheating of the stator core in the high capacity oven for removing the moisture in the stator core and applying two coat of Dr. Beg insulating varnish in stator core, complete etc.,

Charges for supply and fixing SS 304 pump shaft of suitable size (after deducting old scrap material)

Charges for impeller damaged portion, grinding V-groove making brazing the same bronze material, machining, dynamic balancing of impeller to avoid vibration of pump.

Supply, delivery and fixing of branze shaft sleeve after adjusting the old scrap materials.

Supply, delivery and fixing of impeller shield rings after adjusted the old scrap materials.

Supply, delivery and fixing of water thrower after adjusting the old scrap materials.

Supply, delivery and fixing of stuffing box bush after adjusting the old scrap materials.

Supply, delivery and fixing of pump bearings for NU 308 C3 DE side, SKF imported bearing after adjusted the old scrap materials.

Supply, delivery and fixing of pump bearings for 6308 C3 NDE side, SKF suitable size ball bearing after adjusted the old scrap materials.

Assembling the entire pump casing using Firefly gasket, bolts, nuts and lubricants complete.

Charges for transporting of pump from workshop to pump house, unloading, aligning th pump, fixing with motor and checking the alignment for zero -zero accuracy. Providing terminal connections and commissioning sucessfully to good working conditions and painting , etc., complete

15 HP HSC Pump

Removing the HSC pump top cover, rotating assembly, tyre coupling, removing terminal connection and base frame of 15HP pump,removing the side covers.

Dismantlilng rotation assembly one by one removing the worn out bearings,shaft sleeves, lock nuts and radial type impellers etc., completer.

Pump main shaft worn oup part SS welding and lath works and SS impeller locking key including lath works etc complete.

Supply and fixing of both side ball bearings double side sleeve work for bearing seating worn out part sleeve works casting+SS materials including lathe works etc., complete.

Supply and fixing of phosphor bronze or SS + casting shaft sleeves with close toleranceto the pump including lath turning works etc complete.

Supply and fixing of phosphor bronze lock nuts including lathe turning works etc.,complete.

Supply and fixing of water throwers, graphite pacing rope, gasket etc.,

Assembling the rotaing assembly by fixing radial type impeller, new shaft sleeve,lock nuts, new bearings etc cover and setting alignment and fixing rotating assembly in to the pump fixing top covers using new bolt nuts and tyre coupling etc., complete.

Rewinding of the following Centrifugal mono block pumpset's with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

For 1 HP Mono Block Pumpset

Removal of motor parts rotor and end shields and removal of copper wire and cleaning the core and rewinding the 1 HP motor using varnish and necessary winding materials using new DE and NDE bearings of pumpset for painting and commissioning charge etc. complete.

For 5 HP Mono Block Pumpset -1 No

Removing the damaged wornout cooling fan, bearing, shaft sleeves, bushes and implier from the pump shaft

Removing the old burnt winding wire from the stator core cleaning stamping and damaged slats and rewinding the new copper winding wire and F class insulation materials using Dr.Beg insulating varnish oven heating and testing tec after deducting the old scraps materials

Supply and Fixing of DE and NDE ball bearing after deducting the old scraps materials

Supply of bronze metal pipe, following machining works of suitable size cutting, facing, turning, boring, grinding, polishing and fixing the bush to rotor after deducting the old scraps materials

Charges for dynamic balance check for the motor rotor including cost of welding, shaft turning, grinding, powder polishing etc.

Charges for re re-assembling the implier, cooling fan, pump assembly, finally motor testing and painting

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

For 7.50 HP Mono Block Pumpset - 1 No

Removal of HP centrifugal pumpset and its accessories for attending repairs etc. complete.

Removing the damaged winding wire and stator cleaning and rewinding the stator with ‘F’ class insulation materials applying two coats Dr. Beck insulation varnish etc. after adjusting old scrap materials.

Supply and fixing of DE& NDE side bearings after adjusting old scrap materials.

Supply and fixing of DE & NDE side bearing sleeves including lathe works after adjusting old scrap materials.

Supply and fixing of rope gland stud with SS nuts after adjusting old scrap materials.

Supply and fixing of Gun metal pump bush including lathe works after adjusting old scrap materials.

Reassembling the stator and rotor completely, painting and testing etc.

Supply and Delivery of bolt and nut ,

for 2 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them etc., complete.

Removing the wornout thrust bearing Supply and fixing of thrust bearing etc., complete. after adjusting the cost of scrap materials

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc., complete. after adjusting the old scrap materials.

Supply and fixing of motor top and bottom bush bearing etc., complete. after deducting the old scrap materials.

Supply and fixing of casing bush etc., complete. after deducting the old scrap materials.

Supply and fixing of New impeller etc., complete. after deducting the old scrap materials.

Supply and fixing of shaft sleeves etc., complete. after deducting the old scrap materials.

Supply and fixing of oil seal etc., complete.

Re-assembling the pumpset impeller, casing, painting and testing etc., complete.

for 3 HP Open well submersible pumpset - 3 Nos

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 5 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

Labour charge for Reerection of following capacities of HSC Pumpset after attending repairs

15 HP HSC Pump

30 HP HSC Pump

Labour charge for Removal of following capacities of HSC Pumpset to attending repairs

15 HP HSC Pump

30 HP HSC Pump

Supply and delivery of following moulded case circuit breaker (MCCB)-3 Pole

63 A MCCB

32 A MCCB

Supply and delivery of following capacities of electro magnetic contactors of suitable capacity in AC three phase rating conforming to IS / IEC 60947

Supply and fixing of following directly operated bimetallic thermal over load relay with manual and auto reset model

Supply and delivery of following power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440v 50 HZ conforming to ISS with ISI marking

2 KVAR Capacitor

3 KVAR Capacitor

6 KVAR Capacitor

Supply , delivery and fixing of single phase preventer.

Supply and fixing of 20 Watts 4 feet LED fitting with LED.

Supply and fixing of 30 Watts LED out door street light fitting with LED.

Supply and delivery of 150 mm dia pressure Gauge and caccum guage including all accessories as per specification (For suction and delivery to be mounted on wall on teak wlld Board)

Supply of (Servo) 20-40 w grade lubricant oil.

Supply and Delivery of 50mm GM Gate Valve

Supply and delivery of 50 mm G.I pipe(medium).

Repair and Renewals For a period from 01.04.2025 to 31.03.2026

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

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, including 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.

250mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

300mm AC pipes of all classes for circumfrential/longitudinal crack using MS step coller, cutt barrel with required length as per site condion including cost of pipe

Attending leak in AC / PSC Pipe joint with lead and hemp yarn including charges for carry out Earthwork excavation, Dewatering, Jointing and proper refilling the trench after completion of work for the following Size of AC / PSC Pipe and as directed by TWAD Board officers.

250mm AC pipes Collar Joint

300mm AC pipes Collar Joint

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

25000 Liters capacity of sump

60000 Liters capacity of sump

150000 Liters capacity of sump

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

30HPHSC MOTOR UNIT NO:I

Charges for Dismantling and removing the 30 HP Motor from base frame assembly for terminal UG Cable connection, pulley assembly, bed bolts and nuts, leading, lifting and loadig the motor to truck

Charges for Dismantling rotor with bearing locking nut and motor end covers with DE and NDE side bearing from the stator body and removing the rotor including cosnumables and T&P etc.,

Charges for supply and delivery of new high grade copper wire of suitable size, rewinding the stator coil fully by using new copper wire by special tool arrangements, providing double sheet of "F" class paper, covering the winding wires in between phases inside the slot and properly supported in the overhang portion of stator windings and appling two coat of Dr,Beg air drying superior qualityinsulating varnish and drying the sator winding for removing the moisture etc., and providing internal connections between coils and properly taking copper leads for external connection with fibre class insulation after adjusting the old scrap etc., complete.

charges to towards making grooving in the damaged portion of the Driven side of the bearing seating area of motor and filling with high quality metals electrode by using welding, machining, grinding and properly checking the alignment and providing sleeve etc., complete.

Supply and fixing of ball bearing 6311/C3 for DE and NDE side 6309 suitable size by using hydraulic pressing system for perfct seating. After adjusting the old scarp materials etc.,

Supply of Servo GEM 3 grease

Labour charges for Grovel test the rotor including cost of metel filling, apply for warnish painting the rotor etc.,

Supply, delivery and fixing Tyre Coupling (Make; Fenner) after deducting th eold scraps meterials

Charges for fabricated and machining of motor rotor lock nut after deducting the old scraps materials

Supply and delivery of terminal plate (copper bolt and nuts) after deducting the old scraps materials

Charges for assembly the motor by inserting the rotor assembly in to the stator core with proper arrangements and seating the bearings; and special tool arrangement in the end covers and fixing the motor body, terminal board connecting the winding leads etc.,

30 HP HSC Pump

Labour charges for dismantling the motor by removing end covers, both side worn bearings, rotor core assembly carefully,etc., cleaning the stator core by compressor air, pressurizing water with cleaning agents, preheating of the stator core in the high capacity oven for removing the moisture in the stator core and applying two coat of Dr. Beg insulating varnish in stator core, complete etc.,

Charges for supply and fixing SS 304 pump shaft of suitable size (after deducting old scrap material)

Charges for impeller damaged portion, grinding V-groove making brazing the same bronze material, machining, dynamic balancing of impeller to avoid vibration of pump.

Supply, delivery and fixing of branze shaft sleeve after adjusting the old scrap materials.

Supply, delivery and fixing of impeller shield rings after adjusted the old scrap materials.

Supply, delivery and fixing of water thrower after adjusting the old scrap materials.

Supply, delivery and fixing of stuffing box bush after adjusting the old scrap materials.

Supply, delivery and fixing of pump bearings for NU 308 C3 DE side, SKF imported bearing after adjusted the old scrap materials.

Supply, delivery and fixing of pump bearings for 6308 C3 NDE side, SKF suitable size ball bearing after adjusted the old scrap materials.

Assembling the entire pump casing using Firefly gasket, bolts, nuts and lubricants complete.

Charges for transporting of pump from workshop to pump house, unloading, aligning th pump, fixing with motor and checking the alignment for zero -zero accuracy. Providing terminal connections and commissioning sucessfully to good working conditions and painting , etc., complete

15 HP HSC Pump

Removing the HSC pump top cover, rotating assembly, tyre coupling, removing terminal connection and base frame of 15HP pump,removing the side covers.

Dismantlilng rotation assembly one by one removing the worn out bearings,shaft sleeves, lock nuts and radial type impellers etc., completer.

Pump main shaft worn oup part SS welding and lath works and SS impeller locking key including lath works etc complete.

Supply and fixing of both side ball bearings double side sleeve work for bearing seating worn out part sleeve works casting+SS materials including lathe works etc., complete.

Supply and fixing of phosphor bronze or SS + casting shaft sleeves with close toleranceto the pump including lath turning works etc complete.

Supply and fixing of phosphor bronze lock nuts including lathe turning works etc.,complete.

Supply and fixing of water throwers, graphite pacing rope, gasket etc.,

Assembling the rotaing assembly by fixing radial type impeller, new shaft sleeve,lock nuts, new bearings etc cover and setting alignment and fixing rotating assembly in to the pump fixing top covers using new bolt nuts and tyre coupling etc., complete.

Rewinding of the following Centrifugal mono block pumpset's with 'F' class insulation material and rewinding new copper enamel wire (with minimum one year Guarantee) including removal of burnt coil, servicing the motor replacing of worn out parts, reconditioning of rotor etc., including testing charges etc., complete excluding removing and re-erection and convaying charges and after deducting the old Scrap materials and as directed by TWAD Board officers.

For 1 HP Mono Block Pumpset

Removal of motor parts rotor and end shields and removal of copper wire and cleaning the core and rewinding the 1 HP motor using varnish and necessary winding materials using new DE and NDE bearings of pumpset for painting and commissioning charge etc. complete.

For 5 HP Mono Block Pumpset -1 No

Removing the damaged wornout cooling fan, bearing, shaft sleeves, bushes and implier from the pump shaft

Removing the old burnt winding wire from the stator core cleaning stamping and damaged slats and rewinding the new copper winding wire and F class insulation materials using Dr.Beg insulating varnish oven heating and testing tec after deducting the old scraps materials

Supply and Fixing of DE and NDE ball bearing after deducting the old scraps materials

Supply of bronze metal pipe, following machining works of suitable size cutting, facing, turning, boring, grinding, polishing and fixing the bush to rotor after deducting the old scraps materials

Charges for dynamic balance check for the motor rotor including cost of welding, shaft turning, grinding, powder polishing etc.

Charges for re re-assembling the implier, cooling fan, pump assembly, finally motor testing and painting

Rotor New Aluminiyam Die Costing old shaft removing and RE-fixing Hydraulic Charges and Welding Charges

For 7.50 HP Mono Block Pumpset - 1 No

Removal of HP centrifugal pumpset and its accessories for attending repairs etc. complete.

Removing the damaged winding wire and stator cleaning and rewinding the stator with ‘F’ class insulation materials applying two coats Dr. Beck insulation varnish etc. after adjusting old scrap materials.

Supply and fixing of DE& NDE side bearings after adjusting old scrap materials.

Supply and fixing of DE & NDE side bearing sleeves including lathe works after adjusting old scrap materials.

Supply and fixing of rope gland stud with SS nuts after adjusting old scrap materials.

Supply and fixing of Gun metal pump bush including lathe works after adjusting old scrap materials.

Reassembling the stator and rotor completely, painting and testing etc.

Supply and Delivery of bolt and nut ,

for 2 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them etc., complete.

Removing the wornout thrust bearing Supply and fixing of thrust bearing etc., complete. after adjusting the cost of scrap materials

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc., complete. after adjusting the old scrap materials.

Supply and fixing of motor top and bottom bush bearing etc., complete. after deducting the old scrap materials.

Supply and fixing of casing bush etc., complete. after deducting the old scrap materials.

Supply and fixing of New impeller etc., complete. after deducting the old scrap materials.

Supply and fixing of shaft sleeves etc., complete. after deducting the old scrap materials.

Supply and fixing of oil seal etc., complete.

Re-assembling the pumpset impeller, casing, painting and testing etc., complete.

for 3 HP Open well submersible pumpset - 3 Nos

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, Delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

for 5 HP Open well submersible pumpset - 1 No

Charges for removing the pump impeller casing and finding faults in them

Removing the wornout thrust bearing Supply and fixing of thrust bearing cost deducting the old scrap material values.

Removing the old burnt winding and cleaning the stamping and damaged slots and rewinding the new PVC insulated copper wire etc cost deducting the old scrap materials values

Supply, delivery and fixing of motors top and bottom bush bearing cost deducting the old scrap materials values

Supply delivery and fixing of shaft sleeves cost deducting the old scrap materials values

Supply delivery and fixing of casing bush cost deducting the old scrap materials values

Supply and fixing of oil seal.

Supply delivery and fixing of New impeller cost deducting the old scrap materials values

Re-assembling the pumpset impeller, casing, painting and testing etc.

Labour charge for Reerection of following capacities of HSC Pumpset after attending repairs

15 HP HSC Pump

30 HP HSC Pump

Labour charge for Removal of following capacities of HSC Pumpset to attending repairs

15 HP HSC Pump

30 HP HSC Pump

Supply and delivery of following moulded case circuit breaker (MCCB)-3 Pole

63 A MCCB

32 A MCCB

Supply and delivery of following capacities of electro magnetic contactors of suitable capacity in AC three phase rating conforming to IS / IEC 60947

Supply and fixing of following directly operated bimetallic thermal over load relay with manual and auto reset model

Supply and delivery of following power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440v 50 HZ conforming to ISS with ISI marking

2 KVAR Capacitor

3 KVAR Capacitor

6 KVAR Capacitor

Supply , delivery and fixing of single phase preventer.

Supply and fixing of 20 Watts 4 feet LED fitting with LED.

Supply and fixing of 30 Watts LED out door street light fitting with LED.

Supply and delivery of 150 mm dia pressure Gauge and caccum guage including all accessories as per specification (For suction and delivery to be mounted on wall on teak wlld Board)

Supply of (Servo) 20-40 w grade lubricant oil.

Supply and Delivery of 50mm GM Gate Valve

Supply and delivery of 50 mm G.I pipe(medium).

Chemicals

Supply and delivery of Stable Bleaching Powder as per IS Specification 1065/ 1989 and as amended from time to time for Grade I for Water Treatment Plants in TWAD Board, and to delivery at anywhere in Coimbatore District including loading, freight, unloading, stacking transit, insurance and all other incidental charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Description of Work / Item(s)

Amount

CWSS to 2 Tps and 318 Rural Habitations in Namakkal District

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 Part - IV of Technical Bid, carrying out the O&M as per standard operating procedures, Acts and rules in force etc., complete and as directed by TWAD Board Oficers and excluding cost towards attending leak, burst repair in pipes and specials and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure and Electricity charges.

For a period from 01.11.2023 to 31.03.2024

For a period from 01.04.2024 to 31.03.2025

For a period from 01.04.2025 to 31.03.2026

Repair and Renewals For a period from 01.11.2023 to 31.03.2024

Supply and delivery of PVC rigid pipes for potable water supply with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, and unloading, stacking at site in good condition etc., complete as directed by the TWAD Board officers

50mm OD PVC 6 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 1m

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

50mm OD PVC 6 KSC pipes - 1m

50mm OD PVC 6 KSC pipes - 2m

63mm OD PVC 4 KSC pipes - 1m

63mm OD PVC 4 KSC pipes - 2m

75mm OD PVC 4 KSC pipes - 1m

75mm OD PVC 4 KSC pipes - 2m

90mm OD PVC 4 KSC pipes - 1m

90mm OD PVC 4 KSC pipes - 2m

110mm OD PVC 4 KSC pipes - 1m

110mm OD PVC 4 KSC pipes - 2m

140mm OD PVC 4 KSC pipes - 1m

140mm OD PVC 4 KSC pipes - 2m

Attending leak in AC / PSC Pipe joint with lead and hemp yarn including charges for carry out Earthwork excavation, Dewatering, Jointing and proper refilling the trench after completion of work for the following Size of AC / PSC Pipe and as directed by TWAD Board officers.

150mm AC pipe Collar Leak

200mm AC pipe Collar Leak

250mm AC pipe Collar Leak

400mm PSC pipe Collar Leak

450mm PSC pipe Collar Leak

600mm PSC pipe Collar Leak