Overhaul And Break-Down Repair Works For Esp A-Pass Internals Of Unit-1 As And When Required During Running And Overhaul The Year 2025-26 Include All T P Consumables, nellore-Andhra Pradesh

Overhaul And Break-Down Repair Works For Esp A-Pass Internals Of Unit-1 As And When Required During Running And Overhaul The Year 2025-26 Include All T P Consumables-Repairing and replacing of spares parts for EERM Gear box Repairs and replacing of spare parts for CERM & GD rapping gear boxes Opening and closing of all access doors per field( each job consists of 16 nos Doors) Replacement/ Repairing of inner arms or outer arms or both with hammers ( each job consists of 10 Nos) Replacement/Repairing of bent shock bars Cleaning and clearing of heavily accumulated ash in the Ash hoppers and inspection of air leaks in hoppers. Replacement/ alignment of rapping shafts Leveling of suspended frames inside the ESP Replacement/ hard facing of eroded/ cracked grip couplers of EERM drive shafts Replacement/Reparing of EERM drive shaft bearings( each job consists of 4 Nos) Replacement of worn out/ inspection and missing bolts, nuts, cleaning of collecting electrodes and checking of clearances between the collecting electrodes and emitting frame(I JOB=4 Passes) Tack welding of inner arms and plain bearings for both EERM and CERM drive shaft system ( each job consists of 5 Nos fields) Welding of cracked collecting electrode in ESP fields ( each job consists of 8 Nos fields). Replacement/repairing of damaged pin wheels( each job consists of 4 Nos) Carrying out inspection of one ESP field and welding of sheared collecting electrodes/Electrode in ESP fields Carrying out inspection of one field for tracing the snapped emitting electrodes and removing the same on ESP fields Carrying out inspection of one field cleaning of ash in its hoppers of ESP. Replacement of plain bearings assemblies,dismandling the worn out bearings of rapping shafts of collecting ,emmiting and GD (each job consists of 10 Nos) Replacement and repairing of pin wheels, pads, thrust bearings and alignment of EERM drive shaft and pin wheels.. Overhauling of EERM gear box Overhauling of CERM and GDRM gear box Welding of leaking joints in the ducts and hoppers( each job consists of 10 mtrs) Hard facing of Emitting electrode frame where the hammer is striking the frame Fabrication of U clamps for collecting electrodes( each job consists of 50 Nos) Welding of U clamps for collecting electrodes at the top, bottom and middle( each job consists of 50Nos) straightening of badly damaged and bent collecting electrodes in ESP -A,B passes of Boiler , welding of U- guides and carrying out alignment of collecting electrodes to maintain gap between the collecting electrodes per 4no

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