Annual Maintenance Contract For Replacement Of Gravimetric Feeder Belts, Replacement Of Head Pulley Bearings, Coupling Halves, Studs, Bronze And Rubber Bushes Of Main Drive Pulley Coupling, Take Up Pulley Bearings Replacement And Overhauling Of Main Reducer Gearbox, Rc Feeders And Patch Welding Of 22 Inch Coal Pipes From All Corners Of Boiler To Classifier Outlet Gate And Dismantling Of Damaged Feeder Outlet Upper And Lower Chutes And Replacement Of New Or Reconditioned Chutes, Replacement Of Center Feed Pipe Of 36 Inch Gravimet Feeder Outlet, Repairing Of 22 Inch Coal Pipes From Classifier Outlet Gates To All Corners Of Boiler And Rectification Of Coal Leaks In Critical Areas Of In Service 22 Inch Coal Pipes (48 Nos) From Mill Outlet Bends To Fuel Inlet Bends, Clearing Of Coal Jam At Bunker Chute Or Bunker Raw Coal Gate Of Unit-3 And 4, Stage-ii, Dr. Mvr Rtpp As And When Required For A Period Of 06 Months From 01.10.2026 Or The Date Of Awarding Work To 31.03.2027.