Rate Contract For Maintenance Of Bowl Type Coal Mill Of Two Units Of Stps , Wbpdcl , Rate Contract For Maintenance Of Bowl Type Coal Mill Of U#5 & 6 Under M / M ( B&A ) Dept . , Santaldih T . P . , Wbpdcl , Repairing / Replacement Of Bowl Hub Skirt With Necessary Works . , Dismantling , Replacement / Readjustment Of Upper Air Seal With All Necessary Work After Proper Cleaning Of Leaked Coal From Labyrinth Seal , Dismantling , Replacement / Readjustment Of Lower Air Seal With All Necessary Work Including Application Of Belezona , If Required After Proper Cleaning Of Leaked Coal From Labyrinth Seal , One No . Rja Replacement With Grinding Roll Replacement , Necessary Work , Roller Setting And Box Up . , Servicing Of One No . Rja With One Set New Bearing & Roller Fitting Including Checking Of Bearing Clearance , Cleaning And Servicing Journal Shaft , Journal Head , Trunion , Caps & Bushing And Replacement Of Upper Journal Housing Liner By Spares Or By Fabrication From M . S . Plate . Repairing / Replacement Of Welding Plug , If Required . , Servicing Of One No . Rja Without Replacement Of Journal Bearing & Roller Fitting Including Checking Of Bearing Clearance , Cleaning And Servicing Of Journal Shaft , Journal Head , Trunion And Caps & Bushing And Replacement Of Upper Journal Housing Liner By Spares Or By Fabrication From M . S . Plate . Repairing / Replacement Of Welding Plug , If Required . , Removal , Servicing And Refitting Of Rja Stop Bolt With All Necessary Work . , Replacement Of One No . Seal Air Supply Flexible Hose . , Schedule Maintenance Of Mill ( As Per Scope Of Work ) , Rejection Passage Cleaning , Scrapper Checking & Minor Repairing , Pa Fan Inlet Duct Checking & Cleaning . , Replacement Of One No . Scrapper Assembly Either By Spares Or By Fabrication From M . S . Plate . , Cutting & Placement Of Ms Plate In Pa Duct At Mill Inlet To Prevent Hot Air Entry Due To Passing Of Had / Hag And Normalization After Work . , Scrapper Door Repairing , Patch Work Of Mill Bottom Side Liner ( Scrapper Zone ) , Static Part Gap Repairing / Part Replacement Of Airport Assembly , Replacement Of One No Classifier Deflector Blade , Adjustment Of Link For Classifier Blade Opening , Servicing And Adjustment Of All Links For Proper Opening Of All Classifier Blades , Checking , Dismantling & Replacement Of One No Complete Spring Assembly With Replacement Of Damaged Spares If Required With Subsequent Spring Compression Load Checking / Adjustment & Roller Setting Of Mill Including Box Up . , Mill Internal Checking For Removal Of Foreign Materials Including Roller Setting . , Repairing / Replacement Of Rejection Chute , Box , Pipe & Expansion Joint Between Rejection Port Outlet And Rejection Box . , Repairing / Replacement Of Separator Grating Inside Rejection Box After Proper Cleaning . , Dismantling & Servicing Or Replacement Of Knife Gate Before Rejection Box With Complete Fittings After Proper Cleaning , Dismantling & Servicing Or Replacement Of Rejection Box Outlet Gates With Complete Fittings . , Rejection Passage Chockage Cleaning By Poking & Hammering From Out Side And Freeness Checking Of Knife Gate Before Rejection Box . , Patch Work On Drop Pipe And Mpo / Mdv Body After Proper Cleaning Of Mill Top . , Feeder To Mill Chute Replacement After Proper Cleaning Of Mill Top . , Feeder To Mill Drop Pipe Replacement ( Both Upper & Lower ) With Necessary Works , Replacement Of One No . Gasket / Seal Of Victaulic Coupling / Dresser Coupling At Mill Top . , Cleaning Of Coal And Clinker From Grinding Zone Of Coal Mill , Application Of M-Seal / Belzona / Grease Packing On Mpo / Mdv / Coal Pipe . , Coal Mill ( Xrp 883 ) Overhauling Work , Replacement Of Damaged Air Port Assembly Including Static Assy . With Necessary Works . , Replacement Of Insulation Cover Plate At Rejection Passage With All Necessary Work , Repairing / Replacement Of Mill Body Liner , Air Port Assembly , Upper Journal Liner Plates And Other Mill Internal After Removal Of 3 Nos Rja Assembly . Roller Setting And Mill Box Up , Replacement / Servicing Of Trunnian Bush With Roller Setting , Coal Cleaning From Mill-Top & Mill Floor , Repairing / Replacement Of Mill Upper Journal Liner Assembly And Skip Roller Guard Plate , Repairing Of Journal Head Assembly By Hard Facing , Fabrication Of Mill Upper Journal Liner Plate Complete Set By 8 . 0Mm Ms Plate , Reclamation Job Of Coal Feeder Outlet Chute
