Rc For Attending Boiler Tube Leakage And Other Allied Works And High Pressure Welding Jobs Of B And A , T And C And I Dept . Of Stps . , Monthly Amount For Lumpsum Scope Of Work Done By 01 No . Hp Welder , 5 No . Non Agreemental Skilled Worker With 02 No . Supervisor Under Supervison Of Agency . , Radiography Joint As Per Schedule , Dismantling/ Lifting Of Ltsh Coils & Placed In Position After Repairing . , Dismantling/ Lifting Of Economiser Coils & Placed In Position After Repair , Fins Fitting & Running Welding At New Insert Position Of Water Wall / Steam Cool Wall Etc . , Stress Relieving As Per Schedule , Refractory Work Inside Boiler Different Headers And Guard Plate . , Rectification Of Buck Stay , Correction Of Buck Stay Of 2Nd Pass , Welding Of Economiser Tube , ( 38 . 1 Mm X 4 . 0 Mm ) , Welding Of Ltsh Tube , ( 47 . 63 Mm X 5 . 0 Mm ) , Welding Of Steam Cool Wall , Hanger , Steam Coll Spacer Tube ( 44 . 5X4 . 5/5 Mm ) , Welding Of Water Wall Tube ( 63 . 5X5 . 6 Mm ) , Welding Of Fsh/Psh Tube , ( 47 . 63 Mm X 5/6/8/10 Mm ) , Welding Of Reheater Tube , ( 63 . 5 Mm X 4 . 5 Mm ) , Repairing Of Header By Build Up , High Pressure Welding Of More Than 63 . 5 Mm Dia Pipe , Fabrication Of Different Size Bend . , Pent House Cleaning , Boiler 2Nd Pass Cleaning , Removal Of Insulation And Reinsulation During Btl & Opportunity Period , High Pr . Welding Above 25 Nb And Upto 65 Nb Diameter Pipe At Different Position , High Pr . Welding Above 65 Nb And Upto 80 Nb Diameter Pipe At Different Position , High Pr . Welding Above 80 Nb And Upto 100 Nb Diameter Pipe At Different Position , High Pr . Welding Above 100 Nb And Upto 150 Nb Diameter Pipe At Different Position , High Pr . Welding Above 150 Nb And Upto 200 Nb Diameter Pipe At Different Position , High Pr . Welding Above 200 Nb And Upto 300 Nb Diameter Pipe At Different Position , High Pr . Valve Replacement , Upto 50 Nb , High Pr . Valve Replacement , Upto 250 Nb , Welding Of Turbine Lub Oil Line Upto 50 Nb Diameter . , Welding Of Turbine Lub Oil Line From 50 Nb To 100 Nb Diameter Pipe At Different Place , Boiler Metal Temperature Measuring Thermocouple With Mounting Arrangement Replacement . , Thermowell Replacement In High Pressure Line .