OT28

Amount

Overhauling of MOT Alfa Laval make MAB-206 S-24 oil centrifuges in Main Turbine Lube oil system – 2 Nos. & COT oil system – 1 No. Charges for overhauling of MOT Alfa Laval make MAB-206 oil centrifuge includes dismantling of oil centrifuge pump’s bowl, vertical and horizontal shaft, checking and replacing of all the worn out bearings, oil seals, ‘O’ rings and other components, cleaning all the components thoroughly including plate heat exchanger, Suction and discharge lines and assembling all in sequence and checking the trial run including the cost of consumables and T&P charges. (Bearings & Spares will be supplied by board).

Overhauling of MOT Alfa Laval make MAB-103 B-24 oil centrifuges in TDBFP A&B Lube oil system – 1 No. Charges for overhauling of MOT Alfa Laval make MAB-103 oil centrifuge includes dismantling of oil centrifuge pump’s bowl, vertical and horizontal shaft, checking and replacing of all the worn out bearings, oil seals, ‘O’ rings and other components, cleaning all the components thoroughly including plate heat exchanger, Suction and discharge lines and assembling all in sequence and checking the trial run including the cost of consumables and T&P charges.(Bearings & Spares will be supplied by board)

Overhauling of TDBFP A&B AOPs, HP/LP Bypass external filtration unit transfer pump, HP/LP Bypass control oil pump, EH oil external filtration unit oil transfer pump, EH oil Recirculation pumps, Condenser pit dewatering pumps,: Charges for decoupling the motor from pump, Dismantling the coupling hub, Removing the pump from tank, Dismantling, repairing, cleaning of internal parts, replacement of bearing and pin bush coupling bolts if necessary and reassembling of the pump including the cost of consumables and T&P’s. (TDBFP – A&B AOPs – 4 Nos., HP/LP Bypass control oil pump – 2 Nos., HP/LP Bypass external filtration unit transfer pump – 1 No., MOT external filtration unit transfer pump – 1 No., EH oil external filtration unit transfer pump – 1 No., EH oil Recirculation pumps – 2 Nos, Condenser pit dewatering pump – 2 Nos.,)

Overhauling of Oil Vapour Extraction Fan: Charges for overhauling of Oil Vapour Extraction Fan (OVEF) after Isolation of the fan, by removing the Inlet butterfly valve and inlet spool piece, dismantling the fan end cover ,impeller shaft center bolt ,radial bolts, axial bolt, removing the shaft key and impeller, cleaning the fan internals, impeller, casing and end cover etc.., check the conditions of impeller bush clearance, repair/replacement of damaged components, replacing of fanned cover gasket and reassembling of all the parts in the correct sequence.

Cleaning of oil vapour stripper separator filter elements in Main Turbine Lube oil system: Charges for cleaning of oil vapor stripper separator filter elements dismantling of both fan discharge NRVs outlet pipes unto stripper inlet flange by removing all the bolts and nuts on the NRVs, stripper, stripper flange and providing proper supports to the stripper, cleaning filter elements stripper internals, NRV flaps, bolts & nuts etc., reassembling NRVs with new ‘O’ rings, stripper top flange gasket in proper sequence.

Inspection of various equipments by opening of manhole doors: Charges for Opening of various manhole doors, Inspection & cleaning inside the equipment, removing existing gasket, cleaning the studs & seating area, cutting new gasket as per requirement, fixing the gasket and closing the manhole doors properly as per the direction of engineer in charge.

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