MTPS I TM UNIT II changing the defective BFP Suction valve 2C IPT Flange and Stud heating line valve AS8 H2CBP A and B suction valves 2 Nos by cutting and welding and changing the defective eroded 1 and 2 drain line and vent line valves pipes

Amount

Labour charges for replacement of valves, pipes, subs, bends and Reducers by Non IBR welding works. Replacing the defective drain line valves or equivalent in Heater drip, condenser air, Auxiliary steam, and drain water lines etc by Non IBR welder.

Labour charges for IBR welding for cutting and welding of GLV 1”/1500/2500 class valves or equivalent joints by IBR welder.

Replacing the existing defective Valve of AS – 8 checking and cleaning of new valve, cutting the existing valve of size OD 73 mm x 14 mm, Edge preparation, fixing in location, positioning the valve with line, checking the alignment for welding by IBR welder with TIG and Arc welding as per IBR specification and Making stress relieving.(Rate for 1 No equivalent joint)

Stress Relieving charges for newly welded AS-8 valve welding joints of pipe size: OD 73 mm x 14 mm thick.(Rates arrived for 3 sectional joint)

Labour charges for replacing the defective drain line valves or equivalent in Cooling water lines and ACW lines by Non IBR welder.(ERW pipe, reducer & bends) Rate for Two number Non IBR cutting and welding)

Gasket renewing for 250/300/350 mm valve, this work involves Removing the valve from line, Cleaning the flange surface on both sides, Preparation of gaskets for both ends, positioning the valve in the Line with gaskets and tightening the flange bolts & nuts.

Cost of welding electrodes for Non-IBR welding. Electrode : E7018 –A1 (ARC) (For Item Sl.No:1)

Cost of welding electrodes for IBR welding. Electrode: E 9018 B3 (For Item Sl.No:2 & 3)

Cost of welding electrodes for (ERW) Non-IBR welding. Electrode : E 6013 (For Item Sl.No:5)

Cost of TIG Rod for Alloy Steel (For Item Sl.No:3) Welding Electrode required for filling : 0.20. kg (for 3 Butt Joints = 9 equivalent joints)

Cost of Argon Gas used for cutting and preheating for welding work. (For Item Sl.No:3)

Cost of Cutting Gas for cutting the pipes, valves & bends wherever necessary.

Consumables and Tools & plants for Item Sl.No:1 to 6