MTPS I TM UNIT I Replacing the defective Main Steam Stop valves Left and Right at Turbine end as per IBR Specification including drawl of Reconditioned valves from stores leading lifting erection alignment

Amount

Changing the defective GV 350 MM / 2500 Class Main Steam Stop valves (Left & Right) at Turbine end as per IBR Specification including Providing the scaffolding arrangements, arresting the pipe, cutting the existing valve, ‘J’ groove preparation on both sides, Tig & arc Welding by IBR Welder. Pipe size OD 354 mmm x Thick 49.2 mm.

Spool piece welding for changing the defective GV 350 MM / 2500 Class Main Steam Stop valves (Left & Right) at Turbine end as per IBR Specification, ‘J’ groove preparation on both sides, Tig & arc Welding by IBR Welder. Pipe size OD 354 mmm x Thick 49.2 mm. (If necessary)

Stress reliving the welded area of MSSVs, GV 350 MM / 2500 Class, pipe size OD 354 mmm x Thick 49.2 mm

Stress reliving the welded area of spool piece of MSSVs, GV 350 MM / 2500 Class, pipe size OD 354 mmm x Thick 49.2 mm

Cost of welding electrodes for Item Sl. No :1. Electrode: E 9018 B3 (7 Rods for 1 joint)

Cost of Argon Gas used for cutting and preheating for welding work. (For Item Sl.No:1)

Consumables and Tools & plants for Item Sl.No: 1 to 4

ANNAI ENTERPRISES