MTPS I CA CWS I Complete dismantling inspection Overhaul and renewal of pump components in 2 Nos Cooling Water Pump of capacity 16000 M3 per Hr Single Stage 64 inch VMF Model 1175 KW motor in stage I

Amount

Charges for dismantling the cooling water pump motor from motor stool assembly, moving to repair bay and positioning on the spare motor stool assembly. Again lifting and moving towards the cooling water pump, positioning and reassembling the motor after completion of cooling water pump overhaul works.

Charges for dismantling the flexible coupling assembly lock nut, bearing plate, thrust bearing, cooling coil & water lines and bearing oil pan. Cleaning and inspection of the components, renewing the worn-out components, Corroded Bolts and Nuts and reassembling.

Charges for dismantling of motor stool with pump components of Thrust block, Discharge elbow, Drive shaft, Element – III & II, Intermediate shaft top half coupling, Intermediate shaft, Element – I, pump shaft half coupling, Pump casing, Bearing housing, Pump shaft with impeller, Suction bell mouth assembly, Bell mouth liner (7 mm Rubber cord to be provided wherever necessary on contractor scope) and reassembling.

Charges for cutting and removal of existing worn-out shaft sleeves (SS) in impeller shaft bottom / impeller shaft top /Intermediate shaft / Drive shaft stuffing box sleeve and assembling of new sleeves by gas flame heating.

Charges for lifting of impeller along with pump shaft, setting to the impeller stand, removing the impeller from the pump shaft by using hydraulic jack and gas flame heating over the impeller stem portion and reassembling of existing/new impeller with existing / new pump shaft and finally tightening of impeller lock nut and deflector with S.S. Allen screws and tag welding.

After completion of overhaul works, charges for measuring overall lift, providing correct lift and locking with lock nut. Alignment of cooling water pump with motor after tightening of motor bed bolts and finally observation and attending of minor defects noticed during trial run of cooling water pump.

Charges for loading the pump shafts and bushes to outside work shop for machining and bring it back to MTPS-I after machining and unloading it in Cooling water pump house.

Charges for painting with one coat of rust convertor , one coat of epoxy red oxide primer and one coat of epoxy high build coal tar one over the other with proper intervals for the water immersed pump components.

Painting charges for two coats of enamel light / smoke grey, black, green paint including cleaning the surface for discharge elbow, thrust pad, motor stool, bearing housing (black paint), lubricating oil cooling water lines (green paint) etc.

Charges for dismantling & renewal of corroded G.I pipe lines such as dia 25 mm & 15 mm and its fittings in cooling water pump air release and cooling line by new pipe line which includes pipe cutting to required size & laying along with fittings and valves wherever required. (25 mm G.I pipe and fittings will be provided by TNPGCL)

Cost of Rust Convertor for Sl.No.8

Cost of Epoxy red oxide Primer for Sl.No.8

Cost of Coal Tar Black Paint for Sl.No.8

Cost of Epoxy Thinner for Sl.No.8

Cost of Light Grey Enamel paint for Sl.No.9

Cost of Thinner for Sl.No.9

Cost of Gasket , Champion , Style-20,Size: 2000 x 1500 x 5 mm for Sl.No.5

Cost of S.S. 316 Allen Bolt of size: M 20 x 70 mm, full thread for Sl.No.5

Cost of HT bolt Grade 10.9 of size M 33 x 220 mm length, 70 mm thread length, 3.50 mm pitch, nut with 2 Nos. of 5 mm thick plate washer for Sl.No.2

Cost of SS 316 Stud of size M 24 x 3 x 120 mm length, nut with 1 No. of of 5 mm thick washer for Sl.No.2

Cost of SS 316 Stud of size M 24 x 3x 80 mm length, nut with 1 No. of of 5 mm thick washer for Sl.No.2

Charges for checking the trueness and machining charges of SS shaft of 2.540 meter length-3Nos[ 800 kg of weight], S.S Shaft of 1.992 meter length-1No[ 650 kg of weight], S.S Shaft of 1.735 meter length-1No[600 kg of weight]and including Charges for Transporting of Vehicles.

Cost of Moly Graf NR- Copper based Anti seize Compound for Sl.No.5

Rubber Bush with brass inner liner suitable for flexible coupling with Resistivity value: above 100 (Mega Ω). (Spares for CWP, Model: 64” VMF for Sl.No.2.

Spherical roller Thrust bearing for Cooling water pump - Bearing No.29434M – Brass cage Make: NSK

Cost of cutting Gas for Sl.No.2,3,4&5

Cost of MS welding electrode Sl.No.10

Cost of 15 mm G.I pipe, Class ‘B’ for Sl.No.2

Cost of 15 mm Gun metal valve, Heavy duty for Sl.No.2

Cost of Consumable and T&P.

SS ENGINEERING CONTRACTOR (BID ID -1469691)