bids are invited for custom bid for services - rev ing of effluent treatment facility at bpcl vijayawada lpg plant - supply and fixing of 1.5 galvanized iron b class pipeline as per is 1239/is 3589 including cutting, threading, bending and joining with class b gi fitting with threaded/welded ends such as tees, bends, unions, elbows, reducers, sockets, check nuts, plug bends etc. with necessary cl s and supports as per scope of work , 2 kl hdpe water tank with isi mark and conforming to is 12701 and with gi fittings for inlet, outlet, overflow, scour float valve, connections of required size and diameter as per site requirement , electrical motor with pump as per technical specifications , digital water flow meter 1.5 threaded type as per technical specifications , supply and fixing of structural steel for foundation of hdpe tank including foundation bolts, 1 coat primer and 2 coat enamel paint , installation and commissioning charges for electrical motor, hdpe water tank and digital flow meter