OT 15/24-25

Amount

Inspection of HP, LP Side Condenser Tubes and inspection & cleaning of Water Boxes: Charges for Dismantling the HP & LP side condenser water box manhole doors 08 Nos and providing approach platform & scaffolding arrangement for inspection/cleaning of HP, LP Condenser water box manhole rubber chords and Box up the condenser water box including consumables and T&P charges.

Painting of HP, LP Condenser water box (Inner Surface): Charges for Painting of corroded inner surface of water box 8 Nos both HP & LP side with two coats of anti-corrosive black paint/epoxy (Asian/Berger make) and cost of paints and other cost of required consumables..

Inspection and cleaning of HP, LP Condenser hot well:- Charges for Opening the hot well manhole, providing approach platform for cleaning the hot well, clean both the HP & LP Shell side of condenser hot well by wire brush, renew the hot well manhole rubber chords and Box up both the LHS & RHS condenser hot well including consumables and T&P charges.

Inspection, Cleaning and aligning of OLTCS ball collection screens: Charges for Opening of OLTC System outlet Ball collecting screen manhole doors in cooling water outlet line, inspection and cleaning the debris in collecting screen, aligning of ball collecting screens and closing of manhole doors with renewal of gaskets.

Overhauling/Repairing/Replacement of Relief valve in surface condenser: Charges for dismantling Relief valve flange, Dismantling all the internals, inspection, cleaning the flange seating area, renewal of gasket and assembling of Relief valve properly.

Overhauling of Ball Circulating Pump: Charges for Disconnecting the pump Suction & Discharge lines ,Dismantling the pump from motor, Disconnecting all external fittings from pump casing (cooling pipe , pre gauge ,oil reservoir & air cock).Dismantling the mechanical seal, pump shaft with impeller ,inspection of wear ring & bearings, Replacing if necessary ,reassemble the all parts & commission the pump, including the of T&P .

Strengthening of Condenser: (Sliding support, water pipe support, packing plate, connecting plate, condenser tube surface plate): Charges for strengthening of the existing HP/LP flash tank supporting plates by cutting, edge preparation, rectification & welding of the plates.

Inspection and cleaning of condensate inlet to flash tank nozzle: Charges for removal of Bend pipe dismantling of bolts & nut inside the flash tank nozzle pipes and removal of nozzles using using special tools. After removal of nozzle, inspection and cleaning by air & jet water than assembling of nozzles flanges & pipe bend with suitable gaskets including the cost of consumables and T&P’s.

Cleaning of condenser tubes with water jet cleaning: Charges for cleaning condenser tubes with water jet cleaning including water jet nozzles, hoses and high pressure pumps, allied consumables and T&P’s.

JS ENGINEERING WORKS