Annual Rate Contract For Maintenance Of Boiler Pressure Parts Of Stage-I And Stage-Ii , Btps Under Banda Dept . , Btps , Wbpdcl Annual Rate Contract For Maintenance Of Boiler Pressure Parts Of Stage I And Stage Ii , Btps Under B And

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Annual Rate Contract For Maintenance Of Boiler Pressure Parts Of Stage-I And Stage-Ii , Btps Under Banda Dept . , Btps , Wbpdcl Annual Rate Contract For Maintenance Of Boiler Pressure Parts Of Stage I And Stage Ii , Btps Under B And A Dept . , Btps , Wbpdcl , Maintenence Of Boiler Pr . Parts Stage IUnit Capacity 60Mwx2 , Economiser Tube JointTube Od 51 Mm , Thickness 4 . 8 Mm , Material: Sa 210 Gr . C Or Equivalent , Insert At Furnace Wall , Goose NeckS-Pannel & Roof Tube ( 1 Insert = 02 Nos . Joint ) Tube Od:63 . 5 Mm To 69 . 9 Mm , Thickness From 5 . 1 To 6 . 3 Mm , Material: Sa 210 Gr . A Or Equivalent , Joint At Saturated ScreenRoof & Side Wall , Screen Tube , Primary Superheater Tube , Secondary Superheater Tube . ( Od: 63 . 5 Mm , Thickness: 5 Mm Upto 6 . 9 Mm , Material: Sa213t11 Or Equivalnt ) , Insert At Furnace Wall , Goose NeckS-Pannel & Roof Tube ( 1 Insert = 02 Nos . Joint ) Tube Od:63 . 5 Mm To 69 . 9 Mm , Thickness From 5 . 1 To 6 . 3 Mm , Material: Sa 210 Gr . A Or Equivalent , Joint At Saturated ScreenRoof & Side Wall , Screen Tube , Primary Superheater Tube , Secondary Superheater Tube . ( Od: 63 . 5 Mm , Thickness: 5 Mm Upto 6 . 9 Mm , Material: Sa213t11 Or Equivalnt ) , Insert At Furnace Wall , Goose NeckS-Pannel & Roof Tube ( 1 Insert = 02 Nos . Joint ) Tube Od:63 . 5 Mm To 69 . 9 Mm , Thickness From 5 . 1 To 6 . 3 Mm , Material: Sa 210 Gr . A Or Equivalent , Joint At Saturated ScreenRoof & Side Wall , Screen Tube , Primary Superheater Tube , Secondary Superheater Tube . ( Od: 63 . 5 Mm , Thickness: 5 Mm Upto 6 . 9 Mm , Material: Sa213t11 Or Equivalnt ) , Maintenence Of Boiler Pr . Parts Stage IiUnit Capacity 215 Mwx1 , Lp Water CleaningEconomizer Zone , Psh & Prh , Joint For Lnsertion Of Water Wall Tube , Cage Rear Wall Below Main Cavity & Baffle Wall Tube Below Main Cavity , Size: 63 . 5X5 . 4 , Mat: Bs3059/45S2 Or 5A210gr . C , Insertion Joint For Division Wall TubeSize: 82 . 5X7 , Mat: Bs3059/45S2; Or Sa210gr . C , Joint For Lnsertion Of Furnace Roof , Cage Rear Wall & Baffle Wall Tube Above Main Cavity , Size:63 . 5X4 . 8 , Mat: Bs3059/620S2 Or Sa213t11 , Joint For Insertion Of Economiser TubeSize: 38 . 1X3 . 6 , Mat: Bs3o59/45S2 Or Sa210gr . C , Insertion Joint Of Psh Bottom & MiddleSize:57 . 1X6 , Mat: Bs3059/620S2 Or Sa213t11 , Joint For Insertion Of Psh Top Bank TubeTube , Size: 63 . 5X3 . 6 , Mat: Bs3059/33S2 OrSa210gr . C , Insertion Joint Of Prh Bottom & MiddleSize: 57X3 . 2 , Mat: Bs3059/620S2 Or Sa213t11 , Joint For Lnsertion Of Prh Top Bank TubeSize: 57X3 . 2 , Mat: Bs3059/620S2 Or Sa213t11 , Joint For Lnsertion Of Plsh And Fsh Inlet Tube , Size: 44 . 5X7 , Mat: Sa213t22 , Joint For Lnsertion Of Fsh & Frh TubeSize: 50 . 8X3 . 6 , Mat: Sa213t91 , Economiser/Psh/Prh Coil Lifting , Inspection Repairing And Fitting With Proper Alignment ( If Required For Preventive Inspection Beyond The Leakage Area ) , Platen Sh , Fsh , Frh Coil PullingInspection And Proper Alignment Of Coil And Panel With Clit And Support Welding , Second Pass Scaffolding Per 6 Meter , Common Work For Stage I & Ii , Stress Relieving , Radiography , Lremoval And Refitting Of Refractory , Replacement Of High Pressure Valve Size Upto 2 , Replacement Of High Pressure Line ( 1/2 To 4 ) ( Unit Of 01 Number Includes Two Joints ) , Deinsulation & Insulation With CladdingOf Wall , Casing And Pipe And Other Area Of Boiler , Hp Valve Welding From 50 Nb Upto 100 NbPipe , Hp Valve Gland Packing ReplacementUpto 6 , Hp Valve ServicingIncluding Gland Packing & Bonnet Seal Replacement Upto 4 , D-Metering Of Boiler TubeAt Any Area Of Boiler For Thickness Measurement ( Minimum Survey 150 Nos . /Day ) , Minimum Mobilization ChargeIf Total Executed Job Value Less Than Rs . 15000 . 00 , Vertical ScaffoldingFor Approaching Roof Tube/ Wall Reheater/ Mrh/ Platen/ Division Panel ( Per 6 Meter Vertical ) For Stage I & For Approaching Furnace/ Roof Tube/ Pendent Reheater/ Platen/Fsh & Division Panel ( Per 6 Meter Vertical ) For Stage Ii , Horizontal Scaffolding For Approaching Platen Sh/ Divisional Wall/ Scw/ Roof Tubes/Furnace ( Per 6 Meter Horizontal ) For Stage I & For Approaching Rh/ Platen Sh / Final Sh / Divisional Panel/Scw/ Roof Tubes/ Furnace ( Per 6 Meter Horizontal ) For Stage Ii , Guard Tube And Guard PlateRemoval , Fabrication And Fitting , Build Up In Eroded TubesAs Per Requirement , Repairing Of Skin Casing , Fabrication Of Bends Of Any DegreeOf Any Boiler Tube , Fitting And Welding Of Tube AttachmentWherever Require , Membrane Strip Fitting & Welding , Fabrication And Erection Of Steel ItemsBy Ms Plate/ Ms Angle/ Ms Channel/ I Beam Etc . , Boiler Metal Temp Tc & Mounting Replace , Thermowell Replacement In Hp Line , Gst