Annual Contract For Operation Maintenance And Coal Unloading Of Chp Stage I Ntpc Barauni , Annual Rate Contract For Fm St-I , Coupling ( <> ) Repl , Impact Idlers ( <> ) -Repl , Gear Boxes ( Holdback ) Repl , Pulley / Cplg ( Nde-Brg ) Repl , Chutes ( Skirtrubber ) Repl , Pulley / Cplg ( Non Drive ) Repl , Conv Pulleys ( <> ) -Repl , Primary Crushers ( Hammers ) Repl , Sec . Crushers ( Hammer ) Attend Breakdown , Grizzly Feeders ( Shaft Assly . ) Repl , Vibro Feeders ( <> ) -Attend Defect , Sec . Crushers ( Rotor Assly ) Repl , Primary Crushers ( Screen Plate ) Repl , Travelling Tripper ( <> ) -Attend Defect , Travelling Tripper ( Tripper Wheel ) Rerai , Travelling Tripper ( <> ) -Oh , Ilms / Cbms ( Pulley Brg ) Repl , Gear Boxes ( Gears ) Repl , Gear Boxes ( I / P Shaft ) Repl , Gear Boxes ( 10-50Ltrs ) Repl , Gear Boxes ( 50-100Ltrs ) Repl , Gear Boxes ( <> ) Decpl / Cpl / Algn , Travelling Tripper ( Lt Gearbox ) Repl , Gear Boxes ( <> ) Attend Defect , Matl ( Scrap ) Disposal , Misc Works ( <> ) -Fabrication , Chutes ( <> ) -Repair , Chutes ( <> ) Fabrication , Sec . Crushers ( Bkr Plate ) Fabrication , Conv Pulleys ( <> ) Rpl-Brg , Belt Conv ( 1000-1400Mm Wd 02W Chks , Belt Conv ( 1000-1400Mm Wd 04W Chks , Ilms / Cbms ( <> ) 02W Chks , Ilms / Cbms ( <> ) -04W Chks , Grizzly Feeders ( <> ) 02W Chks , Primary Crushers ( <> ) 02W Chks , Primary Crushers ( <> ) 04W Chks , Travelling Tripper ( <> ) 02W Chks , Travelling Tripper ( <> ) 04W Chks , Flap Gates ( <> ) 04W Chks , Rack Pinnion Gate ( <> ) 04W Chks , Pit / Sump ( ) 04W Chks , Ds / De System ( <> ) 04W Chks , Ms Piping ( Dia<=6 ) Repl , Lp Water Pump ( Dia<=6 ) -Attend Defect , Ds / De System ( Sprnklr ) Repair , Ms Piping ( Dia<=6 ) Attend Defect , Misc Works ( <> ) Attend Defect , Deptt <> Manpower Gang ( Adl ) , Misc Works ( <> ) Attend Defect , Misc Works ( <> ) Attend Breakdown , Wagon Tipplers ( <> ) 02W Chks , Wagon Tipplers ( <> ) 04W Chks , Wagon Tipplers ( <> ) 12W Chks , Wagon Tipplers ( <> ) Inspection , Sec . Crushers ( <> ) Inspection , Elec Hoists ( <> ) Repair , Elec Hoists ( <> ) 08W Chks , Dozer <> Manpower Gang ( Adl ) , Belt Conv ( 1000-1400Mm Wd Cold Vulcn Joi , Conv Pulleys ( 1000-1400Mm Wd ) Lagging , Belt Conv ( Patch ) Attend Defect , Belt Conv ( 1000-1400Mm Wd Laying , Belt Conv ( Edge ) Repair , Belt Conv ( 1000-1400Mm Wd Checking , Belt Conv ( 1000-1400Mm Wd Fastnr Fixing , Deptt <> Man . Dep-Engr , Deptt <> Man . Dep-Hsw , Deptt <> Man . Dep-Sw , Deptt <> Man . Dep-Usw , Wagons ( Box-N ) Unloading , Deptt <> Manpower Gang ( Adl ) , Deptt <> Manpower Gang ( Adl ) , Apron Fdr ( <> ) 04W Chks