job contract for preventive / breakdown maintenance . of mechanical equipments at ntpc koldam job contract for preventive / breakdown maint . of mechanical equipments , gates and hoists along with gallery dewatering and and w / shop equipmentsat ntpc-koldam hpes , routine maint . contract ( mech equipment ) , draft tube ( <> ) attend tube lkg , francis turbine turbine u / wtr parts clea , shaft seal assembly ( <> ) attend tube lkg , generator ( lower guide brg ) checking , guide apparatus ( <> ) repl , francis turbine ( gv servomotor ) attend t , turbine gov . sys ( pp set ) checking , submersible pumps ( <> ) checking , treated water pump ( <> ) rpl-brg , treated water pump ( <> ) lubrication , recipro comp ( <> ) ( leakage attending ) , recipro comp ( <> ) 01w chks , lp valves ( dia<=6 ) serv , lp valves ( dia>6-12 ) -attend defect , centrifuge ( <> ) cleaning , eot / cranes ( >90mt ) lubrication , dg sets ( alt ) ( <> ) -attend defect , dg sets ( alt ) ( <> ) 04w chks , misc works ( <> ) dewatering , ms piping ( <> ) welding , francis turbine ( <> ) fabrication , lp valves ( 100nb ) repl , safety valve ( <> ) attend defect , lp water pump ( <> ) decpl / cpl / algn , strainer / filter ( <> ) cleaning , misc works ( <> ) manpower gang ( adl ) , scaffolding ( <> ) erection , hydrocarbon separato ( <> ) 01w chks , francis turbine ( <> ) 01w chks , francis turbine ( <> ) 04w chks , francis turbine ( <> ) 12w chks , raw water pump ( <> ) 01w chks , treated water pump ( <> ) 01w chks , raw water pump ( <> ) attend tube lkg , treated water pump ( <> ) 24w chks , miv ( <> ) daily chks , miv ( <> ) 04w chks , screw comp ( <=10nm3 ) 01w chks , screw comp ( <=10nm3 ) 24w chks , recipro comp ( filter ) cleaning , recipro comp ( <> ) 24w chks , turbine gov . sys ( pp set ) 04w chks , ac sys ahu blwr ( <> ) -04w chks , ac sys chiller unit ( <> ) 04w chks , ac sys chiller pump ( <> ) 04w chks , wtertretmntpln ( lwtp ) ( stg-1 ) opn / mtc , fire sys ( <> ) inspection , turbine gov . sys ( pp set ) cleaning , misc works ( <> ) hndlg&stacking , generator ( gen brk & jack sys ) ( leakage , misc works ( <> ) painting , francis turbine ( <> ) depl / hiring , draft tube ( draft tube gate ) attend brea , draft tube ( draft tube gate ) 01w chks , draft tube ( draft tube gate ) 04w chks , draft tube ( draft tube gate ) 24w chks , draft tube ( draft tube gate ) 52w chks , power intake gate ( bonnet cover ) daily c , power intake gate ( bonnet cover ) 01w chk , power intake gate ( bonnet cover ) 52w chk , power intake gate ( <> ) 01w chks , power intake gate ( <> ) 04w chks , power intake gate ( <> ) 24w chks , power intake gate ( <> ) 52w chks , power intake gate ( stop log ) 04w chks , power intake gate ( stop log ) 52w chks , spillway ( radial gate ) 01w chks , spillway ( flap gate ) 01w chks , spillway ( radial gate ) 04w chks , spillway ( flap gate ) 04w chks , spillway ( radial gate ) 24w chks , spillway ( flap gate ) 24w chks , spillway ( radial gate ) 52w chks , spillway ( flap gate ) 52w chks , spillway ( hyd cylinder ) 52w chks , gantry crane ( 60t ) 04w chks , gantry crane ( <> ) 04w chks , gantry crane ( 60t ) 12w chks , gantry crane ( <> ) 12w chks , gantry crane ( 60t ) 52w chks , gantry crane ( 40t ) daily chks , gantry crane ( 40t ) 04w chks , gantry crane ( 40t ) 12w chks , gantry crane ( 40t ) 52w chks , submersible pumps ( <> ) attend breakdown , gantry crane ( <> ) attend breakdown , gantry crane ( <> ) 52w chks , misc works ( <> ) cleaning