MTPS I TM UNIT IV Replacing the Defective valves VDAS 122 DW 14 Modification of HPT IPT existing 1 casing drain line valves into 2 valves changing the eroded drip line reducers expanders and changing the defective eroded plug broken 1 2 drain line

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.

Checking and cleaning of new valve, Cutting the existing Valve of size OD-114.3 x 8.56 mm thick, Edge preparation, positioning the valve with pipe lines, checking the alignment for welding by IBR welder with TIG and Arc welding as per IBR specification. (VDAS-122) (Rate for 1 No equivalent joint)

Stress Relieving charges for newly welded VDAS-122 valve welding joints of pipe size: OD 114.3 x 8.56 mm thick. (Rate for 1 sectional joint)

Replacing the existing defective Valve of DW-14 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. (Rate for 1 No equivalent joint)

Stress Relieving charges for newly welded DW-14 valve welding joints of pipe size: OD 73 mm x 14 mm thick. (Rates arrived for 1 No sectional joint)

Cutting and Welding of GLV 1"/1500/ 2500 class valves or equivalent joints by IBR Welder. Charges for cutting the defective 1" valve or equivalent 2 Nos 1" joints in drain / vent line, grinding and welding the new valve in the line by IBR welder.

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)

Transportation of valve from central store to site Transporting the valves and pipes from central store to Unit-II repair bay and repair bay to work spot.

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

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

Cost of Cutting Gas for cutting the pipes, valves & bends wherever necessary (For Item Sl.No.1,2,3&5)

Cost of Argon Gas used for cutting and preheating for welding work. (For Item Sl.No:4&6)

Cost of Cutting Gas for cutting the pipes, valves & bends wherever necessary (For Item Sl.No.3 & 5 & 6)

Consumables and Tools & plants for Item Sl.No:1 to 8

T S CONTRACTOR (BID ID -1091627)