bids are invited for pipe ag api 10-14 - fabrication, welding, testing & commissioning of above ground pipeline (api 5lgrade a/b supplied by bpcl as free issue material) :transporting of all piping items from owners storage pointto work site ; fabrication including cutting,edge preparation, fitup,welding and erection of above ground pipeline over existing pedestals; overheads on racks and at all elevations ;connecting withequipment nozzles; tapping for pressure gauges; sample connection etc.using recommended make / size of welding electrode conforming to is 814;this also includes alignment; internal cleaning and flushing by water;hydrostatic testing at 10.5 kg/cm2,rectification of any leakage & re-testing of pipelines to the specified pressure ;draining; drying; completing all such works in all respectsas per the specification; drawings and instruction of engineer in charge. for flushing/hydrotesting would be arranged by contractor at his own cost.scope of work also includes reconcilation of bpcl supplied piping materials and transportation of surplus free issue materials to owners storage yard within the plant premises. payment under this item would be made in inch metre dia of pipeline excluding the lengths of bends/elbows/reducers/valves/tees. welding procedure should conform to asme sec ix/api 1104 as applicable. api 5l grade a/b size of pipe from 250 nb upto 350 nb , sorf weld 150# 10-14 - fabrication, welding of the supplied sorf(free issue material by bpcl), 150#on the pipelines / fittings using approved make / size of welding electrode confirming to is 814; with three or more runs of weld on the outside for sizes more than 150 nb and 2 runs for sizes less than 150 nb and one or more runs inside(depending on the size of the flange) including cutting and beveling ends as necessary; cleaning of internal / external surfaces where welding is to be done; grinding of welds; etc.; as directed.welding procedure should conform to asme sec ix /api 1104.payment shall