Combined Contract For Oh And Maint . Of Stg-1 , 2 And 3 And Bph Ashhandling System For 2019-21 At Ntpc Korba , O / H & Maint . Of St#1 Ash Handling System , S / Conveyor ( <> ) -Oh , C / Grinder ( <=210Mw# ) -Oh , Bah Gate ( <=210Mw# ) -Oh , Ba Hopper ( Sealplate ) Repl , Bah Gate ( Power Cylinder ) Oh , Ba Hopper ( Refractory ) Oh , Ba Hopper ( Nozzles ) Repair , Ba Hopper ( Sealplate ) Instal / Remove , Buffer Hopper ( <> ) Painting , Aci Ash Line ( Dia>6-12 ) Rotation , Ms Piping ( Dia>6-12 ) Attend Defect , Fluidising Pads ( <> ) Serv , Collector Tank ( <> ) Inspection , Flushing App ( <> ) Oh , Ash Slurry P / P ( Dia>12 ) Oh , Ash Slurry P / P ( Dia>12 ) -Repl , Elec Hoists ( >03-05Mt ) Oh , S / Conveyor ( Tensioning Stn ) Repl , S / Conveyor ( Head Shaft ) Repl , S / Conveyor ( Guide Chanel ) Repl , Return Idlers ( <> ) Repl , S / Conveyor ( Tensioning Stn ) Attend Defec , S / Conveyor ( Scrapper Bars ) Oh , S / Conveyor ( Chain ) Jointing , C / Grinder ( <=210Mw# ) Repl , Gear Boxes ( H1-200 ) Oh , Fluid Cplg ( Pst ) Oh , C / Grinder ( <=210Mw# ) Aligning , Ash Valves ( Deflector Cone ) Repl , Ash Valves ( Dia>6-12 ) Oh , Ash Valves ( Dia>12 ) -Attend Defect , Matl ( Misc ) Fabrication , Vac Pp / Blwr ( >20Nm3 ) -Oh , Vac Pp / Blwr ( >20Nm3 ) Repl , Aci Ash Line ( Dia>6-12 ) Water Washing , Strainer / Filter ( 100Nb ) Cleaning , Misc Works ( <> ) Attend Defect , Misc Works ( <> ) Inspection , Ms Piping ( Nb150 ) Repl , Fluid Cplg ( <> ) Oh , Fluid Cplg ( <> ) Repl , Submersible Pumps ( <> ) Oh , Hp Water Pump ( <> ) Oh , Esp / Area ( Fields ) Serv , Lp Valves ( Dia<=6 ) Serv , Knife Gate V / V ( <> ) Repl Dmgd Item:001 , Scaffolding ( <> ) Instal / Remove , Maint Of Ash / Water Line & Inspection I / B , Ms Piping ( Nb300 ) Repl , Ms Ash Line ( Dia>12 ) Repl , Ms Ash Line ( Dia>6-12 ) Rotation , Ms Ash Line ( Dia>12 ) Rotation , Ms Ash Line ( Dia>12 ) -Attend Defect , Ms Ash Line ( Dia>12 ) Repair , Bends / Laterals ( Dia>12 ) Fabrication , Ms Piping ( 450Nb ) Choking Removal , Ms Ash Line ( Dia>12 ) Patrolling , Pipe Cplg ( Gasket ) Repl , Reimb . Of Cell Phone Recharge Voucher , Misc Works ( <> ) Welding , Cb Ash Pipe ( Dia>12 ) -Repl , O / H & Maint . Of St#2 Ba Area , S / Conveyor ( Head Shaft ) Serv , S / Conveyor ( Drive Shaft ) Serv , S / Conveyor ( Scrapper Bars ) Repl , S / Conveyor ( Scrapper Bars ) Refurbishing , S / Conveyor ( Scrapper Bars ) 24W Chks , S / Conveyor ( Upr Deck ) Oh , S / Conveyor ( Lwr Deck ) Oh , S / Conveyor ( Chain ) Repl , S / Conveyor ( Chain ) Adjustment , S / Conveyor ( >200Mw# ) Shifting , S / Conveyor ( <> ) Serv , S / Conveyor ( Flaps ) Servicing , S / Conveyor ( Wheel ) Oh , S / Conveyor ( Slip Coupling ) Repl , S / Conveyor ( Tensioning Stn ) Oh , Conv Pulleys ( <> ) Oh , Conv Pulleys ( <> ) Repl , C / Grinder ( >210Mw# ) Serv , C / G F . Cplg / G . Box ( <> ) Repl , C / Grinder ( Roll ) Hardfacing , C / Grinder ( >210Mw# ) Repl , C / Grinder ( >210Mw# ) -Attend Defect , Ash Slurry P / P ( Dia>6-12 ) Oh , Ash Slurry P / P ( Dia>6-12 ) -Repl , Aci Ash Line ( Dia>6-12 ) Choking Remova , Ash Slurry P / P ( Dia>6-12 ) -04W Chks , Vert Pp ( <> ) Oh , Lp Water Pump ( <> ) Oh , Lp Water Pump ( <> ) Serv , Bah Gate ( >210Mw# ) Serv , Bah Gate ( >210Mw# ) -Oh , Ba Hopper ( Refractory ) Oh , Ba Hopper ( Seal Trough ) Oh , Ba Hopper ( Refr Cooling Hdr ) Repl , Ba Hopper ( View Glass ) Cleaning , Bah Gate ( Manhole ) Repair , Scaffolding ( <> ) Instal / Remove , Elec Winch ( >05-10Mt ) -Serv , Knife Gate V / V ( <> ) Oh , Pit / Sump ( ) Cleaning , Coupling ( <> ) Attend Breakdown , S / C F . Cplg / G . Box ( <> ) -Oh , Ash Slurry P / P ( Suc Pipe ) Attend Defect , S / Conveyor ( >200Mw# ) Inspection , S / Conveyor ( Trplex Chain ) Repl , Aci Ash Line ( Dia>6-12 ) ( Leakage Atten , Vert Pp ( <> ) 08W Chks , Ash Slurry P / P ( 1300 M3hr ) Oh , Ash Slurry P / P ( Dia>12 ) -Repl , Ash Slurry P / P ( Dia>12 ) Serv , Ash Slurry P / P ( Suc Adopter ) Reclamation , Ash Slurry P / P ( Suc Pipe ) Repl , Ash Slurry P / P ( Suc Adopter ) Repl , Ash Slurry P / P ( Counter Shaft ) Repair , Ash Slurry P / P ( Belt ) Repl , Ash Slurry P / P ( 1300 M3hr ) Aligning , Fluid Cplg ( <> ) Oh , Fluid Cplg ( <> ) Repl , Fluid Cplg ( Oil Cooler ) Serv , Sealwater Pp ( <> ) Oh , Submersible Pumps ( <> ) Oh , Pit / Sump ( Valve ) Oh , Knife Gate V / V ( <> ) Remove & Apply , Ash Slurry P / P ( Gland ) Checking , Ms Piping ( Nb150 ) Repl , Ms Ash Line ( Dia>6-12 ) Repl , Ms Piping ( Dia>12 ) Repl , Bends / Laterals ( <> ) Attend Defect , Ash Valves ( Dia<=6 ) -Repl , Ash Valves ( Dia>6-12 ) -Repl , Ash Valves ( Dia>12 ) -Repl , Matl ( Misc ) Fabrication , Structures ( Grill ) Erection , Elec Hoists ( >05-10Mt ) -Serv , O / H & Maint Of Stg-2 Dfa & Silo , Collector Tank ( <> ) Attend Defect , Collector Tank ( <> ) Oh , Vac Pp / Blwr ( <=10Nm3 ) Attend Defect , Vac Pp / Blwr ( <=10Nm3 ) -Oh , Sgv ( <> ) Repair , Sgv ( <> ) Repl , Mhv ( <> ) Repair , Mhv ( <> ) Repl , Knife Gate V / V ( <> ) Repl Dmgd Item:001 , Dry Fly Ash ( Evacuation Sys ) Oh , Buffer Hopper ( Dump Gate ) Repl Dmgd Item , Buffer Hopper ( Dump Gate ) Repl , Buffer Hopper ( Rsv ) Attend Defect , Buffer Hopper ( Rsv ) Repl , Air Lock Valve ( <> ) Attend Defect , Air Lock Valve ( <> ) Repl , Multiport Vv ( 2 Way V / V ) Serv , Multiport Vv ( 2 Way V / V ) Attend Defect , Safety Valve ( <> ) Cleaning , Buffer Hopper ( <> ) Cleaning , Bag Filters ( <> ) -Repl , Recipro Comp ( Filter ) Cleaning , Recipro Comp ( Cylinder ) Oh , Recipro Comp ( Crankcase ) Oh , Recipro Comp ( Cooler ) Serv , Air Drying Unit ( Prefilter ) Cleaning , Air Drying Unit ( Silica Gel ) Repl , Screw Comp ( >20Nm3 ) Servicing , Screw Comp ( Inter / After Cooler ) Cleaning , Ash Silo ( Bag Filter ) Cleaning , Vert Pp ( <> ) Attend Defect , Vert Pp ( <> ) Oh , Pit / Sump ( ) Cleaning , Silo Vent Fan ( <> ) Attend Defect , Silo Vent Fan ( <> ) -Oh , Blwr / Fan ( <> ) Repair , Blwr / Fan ( <=25Kw ) Oh , Dustconditioner ( <> ) -Attend Defect , Dustconditioner ( <> ) Repair , Ash Silo ( Hmdc ) Oh , Rotary Feeder ( <> ) -Attend Defect , Rotary Feeder ( <> ) -Oh , Aci Ash Line ( Dia>6-12 ) -Oh , Aci Ash Line ( Dia>6-12 ) -Attend Defect , Bends / Laterals ( Dia>12 ) Jointing , Coupling ( <> ) Repl , Aci Ash Line ( Dia>6-12 ) Water Washing , Misc Works ( <> ) Reclamation , Buffer Hopper ( Manhole ) Attend Defect , Dry Fly Ash ( Satge-2 ) Inspection , Misc Works ( <> ) Monitoring , Mhv ( <> ) Attend Defect , Flushing App ( <> ) Repl , Collector Tank ( Seal Box ) Repl , Vac Pp / Blwr ( <=10Nm3 ) Attend Breakdown , Ash Silo ( <=1000Mt ) Attend Defect , Ash Silo ( Merering Cutoffgate Oh , Ash Silo ( <=1000Mt ) Cleaning , Ash Silo ( Target Box ) Repair , Blwr / Fan ( Drive Belt ) Attend Defect , Blwr / Fan ( >25Kw ) Oh , Misc Works ( <> ) Fabrication , Air Drying Unit ( Changeover V / V ) Serv , Misc Works ( <> ) Attend Breakdown , Misc Works ( <> ) Instal / Remove , Misc Works ( <> ) Cladding , Ms Piping ( Nb150 ) Repl , Ms Ash Line ( Dia>6-12 ) Repl , Ms Piping ( Dia>12 ) Repl , Bends / Laterals ( Dia<=6 ) -Repl , Bends / Laterals ( Dia>6-12 ) -Repl , Bends / Laterals ( Dia>12 ) -Repl , Ash Valves ( Dia<=6 ) -Repl , Ash Valves ( Dia>6-12 ) -Repl , Ash Valves ( Dia>12 ) -Repl , Matl ( Misc ) Fabrication , Structures ( Grill ) Erection , Elec Hoists ( >05-10Mt ) -Serv , Misc Works ( <> ) Letter Writing , Screw Comp ( >20Nm3 ) Aligning , Misc Works ( <> ) Man . Dep-Hsw , O / H & Maint . Of St#3 Ash Handling System , S / Conveyor ( Head Shaft ) Oh , S / Conveyor ( Scrapper Bars ) Repl , S / Conveyor ( Scrapper Bars ) Repair , S / Conveyor ( Scrapper Bars ) Reclamation , S / Conveyor ( Scrapper Bars ) 24W Chks , S / Conveyor ( Upr Deck ) Serv , S / Conveyor ( Lwr Deck ) S
