MTPS I CA CWS I Overhauling of 1600 mm BFV including Actuator GB Overhauling checking and renewal of Nitril rubber seal and Painting of Intake Screen of Cooling water Pumps 1A 1B 1C in Unit I during AOH 2024 2025

Amount

Removal of RC valve in CWP 1A, 1B & 1C of size 200 mm along with R.C. pipe and manhole door and fitting the same after completion of work.

Charges for checking and Renewal of Nitrile rubber Seal in 1600 mm Butterfly valve in Cooling Water pump 1A, 1B & 1C, and if necessary /renewal of seal clamping pad, rethreading of worn-out threads in the seal mounting disc and clamping the seal with the disc. Checking the open / close operation of 1600 mm butterfly valves of Cooling Water pump 1A, 1B & 1C.

Overhauling of gear box assembly of 1600 mm B.F.V, including removal of Actuator, dismantling the gear box assembly, inspection, if necessary /renewal of spare and reassembling the same in 1A pump.

Overhauling of B.F.V of size 1600 mm provided at CWP 1A pump discharge line including dismantling the bearing assembly at both ends inspection , if necessary /renewal of spares and reassembling in 1A Butterfly valve size 1600mm.

Charges for lifting the screen, positioning, cleaning the debris and algae and placing the screens in its position after completion of painting works.

Charges for cleaning and painting with of epoxy red oxide primer and one coat of epoxy high build coal tar one over the other with proper interval over the intake screen frames structure of Cooling water pumps 1A,1B & 1C.

Charges for Overhauling of 600 mm size 150 /300 Class Gate valves in clarifier inlet & outlet valves of CWS including dismantling the valve, clearing all the parts checking the seating surface and lapping the gate/seat/flap and reassembling the valve with bonnet gasket and gland packing.(Gasket under contractor scope)

Cost of M 14 X 70 MM Length HT Bolt and nut with washer For Sl.No.2

Cost of Epoxy red oxide Primer For Sl.No.6

Cost of Coal Tar Black Paint For Sl.No.6

Cost of Epoxy Thinner For Sl.No.6

Cost of Consumable and T&P For Sl.No.1 To 6

SS ENGINEERING CONTRACTOR