Biannual Maintenance Contract Of Cw , Ct And Intake Systems Ofstage 1 , 2 , 3 For Ntpc Korba , Biennial Maintenance Of Cw And Ct Area , Cw Pump ( <> ) Oh , Hp Water Pump ( Dia>6-12 ) Oh , Lp Water Pump ( Dia>12 ) Oh , Submersible Pumps ( 10Hp ) Oh , Nrv ( <> ) Repair , Elec Hoists ( >05-10Mt ) Oh , Eot/Cranes ( <> ) Repair , Pit/ Sump ( Cwp ) Cleaning , Eot/Cranes ( >30-60Mt ) Statutory Testing , Elec Hoists ( >05-10Mt ) Statutory Testing , Lp Valves ( 150Nb ) Serv , Lp Valves ( 450Nb ) Oh , Ms Piping ( Nb150 ) Erection , Bfv ( <> ) Serv , Expansion Joints ( <> ) Attend Defect , Air Release V/V ( <> ) Serv , Vert Pp ( <> ) Oh , Strainer ( <> ) Cleaning , Nrv ( Dia<=6 ) Attend Breakdown , Lp Water Pump ( Dia<=6 ) 24W Chks , Lp Water Pump ( Gland ) Attend Defect , Tw Screen ( <> ) -Oh , Tw Screen ( <> ) 12W Chks , Tw Screen ( <> ) Attend Breakdown , Cl2 Dosing ( Gas Filter ) Repl , Chlorine Tonners ( <> ) -Connection , Ms Piping ( Dia>6-12 ) Attend Defect , Cl2 Dosing ( <=100Kg/Hr ) Attend Breakdown , Submersible Pumps ( 15Hp ) Instal/Remove , Wtr Chnnl Gate ( <> ) Oh , Cw Pump ( <> ) Aligning , Vert Pp ( Ratchet ) Cleaning , Pit/ Sump ( <> ) Cleaning , Misc Works ( <> ) Repair , Ct Fan ( G . Box ) ( <> ) Oh , Gear Boxes ( <> ) 16W Chks , Ct Fan ( G . Box ) ( Oilseal ) Repl , Gear Boxes ( Oil Seal ) Repl , Ct Fan ( Drive Shaft ) Rpl-Brg , Ct Fan ( Blades ) Setting , Ct Fan ( Drive Shaft ) Aligning , Coupling ( Rubber Bush ) Repl , Ct Fan ( G . Box ) ( Oil ) Repl , Ct Fan ( Seal Disc ) Setting , Ct Drift Eliminators ( <> ) Setting , Ct Drift Eliminators ( <> ) Cleaning , Ct Dist Pipe/Nozzles ( <> ) Repair , Ct Dist Pipe/Nozzles ( <> ) 04W Chks , Ct Dist Pipe/Nozzles ( <> ) Cleaning , Lp Valves ( Dia>12 ) Serv , Lp Valves ( Dia>12 ) Oh , V/V G . Box ( <> ) Serv , Ct Fan ( Drive Shaft ) Repl , Eot/Cranes ( <> ) 24W Chks , Clean Road Between Cooling Towers , Ct Fan ( Blade Assy ) Repl , Ct Fill Packs ( <> ) -Repl , Water Channel ( <> ) Choking Removal , Ct Dist Pipe/Nozzles ( <> ) Overhauling Oh , Misc Works ( <> ) Cleaning , Cooling Tower ( <> ) Cleaning , Ms Piping ( Dia>12 ) Repl , Ct Fan ( G . Box ) ( Frame ) Repair , Clariflocultr Drive ( Railtrack ) Aligning , Lp Valves ( Dia>12 ) -Repl , Sludge Pump ( <> ) -Oh , Scaffolding ( <> ) Erection , Deptt <> Man . Dep-Diver , Wtr Chnnl Gate ( <> ) Fltng Debris Removal , Tw Screen ( <> ) Cleaning , Trashrackscreen ( <> ) Cleaning ( Online ) , Matl ( Steel ) Welding
