Tender For Ttps - Mech.Ii - Tm Ii - Opening Of Hpt Front Bearing Pedestal Top Cover To Attend The Speed Sensor Problem By Instrumentation-Ii, Inspection Of Main Oil Pump Complete Assembly, Opening Of Lpt Rear Bearing Pedestal Top Cover, Inspection Of
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Project Description
Tender for Ttps - Mech.Ii - Tm Ii - Opening Of Hpt Front Bearing Pedestal Top Cover To Attend The Speed Sensor Problem By Instrumentation-Ii, Inspection Of Main Oil Pump Complete Assembly, Opening Of Lpt Rear Bearing Pedestal Top Cover, Inspection Of Turbine Bearing No;4 To Attend The Barring Gear Problem By Correcting The Jack Oil Pockets In Unit V During Annual Overhaul 2026-27
BOQ
| Sl. No. | Item Description |
| 1 | Dismantling of HPT front pedestal top cover, Decoupling of the main oil pump from HPT shaft, removal of oil lines from MOP, removal of MOP top casing, dismantling the gear coupling, inspection & rectification, dismantling of main oil pump, rotor float checking, side and top oil clearance checking, inspection of impeller, wear ring clearance checking, inspection of bearings and correction works, replacement of bearings, governor impeller if necessary and assembling of governing impeller, assembling the impeller with main shaft, placing the rotor assembly in the bearing, checking and adjusting the axial float of MOP, placing the MOP top cover, alignment of HP Shaft and MOP, oil flushing, Connecting the oil lines, assembling front pedestal top cover. |
| 2 | Removal of Turbine Bearing pedestal No: 4 top cover, Disassembling of Yoke after removing the keys, bearing top half, positionig the shaft lifting device, lifting the rotor from bottom half bearing, removal of jack oil line hoses, removing the bearing bottom half from its position, inspection of jack oil pockets in the bottom half bearing and correction of jack oil pockets, inspection of jack oil hoses and replace if necessary, DPT checking of top and bottom half bearings, Positioning the bottom half bearing, removing the shaft lifting device, assembling the top half bearing, yoke, fitted keys and jack oil hoses, checking the jack oil lift by putting JOP and correcting the same, assembling the bearing pedestal top cover and commissioning |
| 3 | Providing the dial gauge in Turbine shaft near Bearing 1 to 6 to check the rotor lift by putting jack oil pump and correction of lift to the required values Please Enable Macros to View BoQ information |
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