Supply gasket flat, gasket on tank manhole, metallic gasket, stud bolt with nut, non return valve, 1.5d elbow, flange joint slip on raised face-slip, strainer pipe, bitumen filling in pcc gap, ms grating, pressure gauge gycerine filled, isolation of underground pipe line, removal of flanged valves, dismantling of pipe, cleaning of pipe lines near pump house, wraping & coating of pipeline, supply of structural steel consisting of steel plates, rolled steel joists, channels, angles, tubes, pipes, rectangular/square hollow steel sections, chequered plates etc. in columns, rafters, joists, trusses, gratings of approved design, swing platforms of approved design, insert plates in rcc/brickwork, anchor bolts for steel structure, sleeve pipes, anchor nuts, washers, foundation bolts, dismantling structural work like stairs, platforms, tanks, sheds etc by cold cut method, removal of flanged valves, internal buffing of tank, opening & box up of roof manholes and shell manholes, scaffolding (erection +dismantling), without installation of safety net, transportation from stores/scrap yard, cutting, fabrication, welding and erection of structural steel made out from rolled section i.e. channels, angles, beams, plates etc including hand railing, ladder, brackets, gratings and all other structures, hiring of crane/ hydra, fabrication and welding pipeline, removal of garbage/rcc/pcc or any type of waste material from hpcl premises.