bids are invited for pipeline leak arrest job 1 14 supply of material,plug valve of size 12.0 inch as per sow and sor of the tender , structural work, supply, fabrication and erection of cs structural steel as pipe or equipment supports of all sizes or thickness as per sow and sor of the tender , radiography of pipe joints, performance of radiographic inspection of piping of all types, sizes, thickness as per sow and sor of the tender , cutting and bevelling, cutting, bevelling and edge preparation as per sow and sor of the tender , welding, gas tungsten arc- gta or smaw welding as per sow and sor of the tender , welding, cutting and dismantling of pipeline section as per sow and sor of the tender , material handling, handling of new pipe or pipe supplied by gail for erection and fit up at site as per sow and sor of the tender , material handling, handling of new valve or valve supplied by gail for erection and fit up at site as per sow and sor of the tender , nitrogen purging, supply of nitrogen, vaporizer and other equipments or material required for purging the natural gas pipelines. the purging work is to be done as per the scope of work , painting of pipeline, supply of paints, solvents and primers, preparation of surfaces and application of primer and finish paints as per sow and sor of the tender , hydrotesting of the section at 1.4 times of the design pressure of the equipment, hydrotesting of 12 inch pipes supplied by gail as per sow and sor of the tender , loading, transportation and unloading of the material,valves, insulating joint, pipes, fittings etc from one gail site to other gail site as per sow and sor of the tender total quantity : 2508