MTPS I O AHS Bottom Ash Hopper III IV Outsourcing the operation and routine maintenance break down maintenance of scrapper feeders clinker grinders

Charges for carrying out round the clock shift operation and routine shift maintenance in Bottom Ash Hopper, Scrapper feeders, Clinker Grinders, HP/LP pipelines, Valves, Mixing apparatus of Economizer hoppers and air preheater hoppers and clearing of choke in Scrapper Feeders, Clinker Grinders, Mixing apparatus of Economizer hoppers and air preheater hoppers and also in trenches from bottom ash hopper to ash handling pump house sump for Unit-III (1 operation includes 3 shifts per day for Unit-III)

Charges for carrying out round the clock shift operation and routine shift maintenance in Bottom Ash Hopper, Scrapper feeders, Clinker Grinders, HP/LP pipelines, Valves, Mixing apparatus of Economizer hoppers and air preheater hoppers and clearing of choke in Scrapper Feeders, Clinker Grinders, Mixing apparatus of Economizer hoppers and air preheater hoppers and also in trenches from bottom ash hopper to ash handling pump house sump for Unit-IV (1 operation includes 3 shifts per day for Unit-IV)

Charges for dismantling of Scrapper feeder submerged wheel door frames, cleaning and inspection of bearings, shafts, oil seals if necessary for replacement of bearings old/new and reassembling after packing with gasket.

Charges for Cutting, removal and renewal of complete set of worn out / eroded ‘U’ Clamps, ‘L’ bracket, Scrapper Chains and Scrapper Bars in scrapper feeder Reassembling of Scrapper bars ‘ L’ bracket, Scrapper Chains and ‘U’ Clamps, Self locking plate.

Charges for renewal of wornout bearings/ main drive shaft` in scrapper feeder by dismantling gear box, gear coupling dissection of scrapper bar chain shackle removing main drive shaft from plumber block renewing the bearings and reassembling.

Charges for dismantling of scrapper feeder, return idler wheel/ take up idler wheel new /old and removal of inspection of bearings, shafts, oil seals if necessary replacement of bearings old / new and reassembling.

Charges for removing clinker grinder gear box top covers, cleaning the gear teeth, internals oil seals, renewal of bearings and drive pinion shaft and refilling oil.

Charges for dismantling of clinker grinder bearing housing replacing the old/new bearings in driven and driver rollers and reassembling the same.

Charges for dismantling of clinker grinder which this work involves removal of driven sprocket, gear wheels, bearing housing cover, bearing housing gland assembly, bearing housing base plate, clinker grinder drive and driven shaft with rollers, Apron plate and guide plates and seal water line in CG’s.

Charges for replacement of wornout S.S liner plates, Scrapper bar guide plates etc., by removing scrapper bar, “U” links from scrapper feeder and reassembling after replacement of SS liner plate, scrapper bar guide plates. (Required quantity of SS plates will be supplied by TNPGCL)