bids are invited for bpcl piyala installation commissioning of 8 inches gi 45 degrees bend , supply fabrication and erection of 6inches gi pipe line , supply fabrication welding of sorf150class 6 inches gi sorf flange , supplying fabrication welding testing and commissioning of 6inches gi 90 degrees bend , supplying fabrication welding testing and commissioning of gi 45 degrees bend , supply and making connection of 6 inches blind flanges to blind the top end of the sprinkler line , supplying and fixing 150 class cs plate type 6 inches non return valve plate type , supply fabrication and erection of 4 inches gi pipe line , supply fabrication welding of sorf150class gi 4inches gi sorf flange , supplying fabrication welding testing and commissioning of 4inches gi 90 band , supplying fabrication welding testing and commissioning of 4inches gi 45 degree bend , supply and making connection of 4 inches blind flanges to blind the top end of the sprinkler line , supply fabrication and erection of 3inches gi pipe line , supply fabrication and welding of sorf150 class gi 3inches sorf , supply and fixing 1inches drain valve with 1 inch pipeline on each riser for tanks , supply and fixing of water spray nozzle half inches total quantity : 58517