bids are invited for service charges for cleaning of bar screening chamber , supply and laying of upvc 2inch pipe and fitting - supply and laying of upvc 2 inch pipe and fitting , main cable armour copper conductor 10 sqmm 2x4 core , supply and fixing of bar screening plate moc ss304 size 2500 mm x 1500 mm with 10 mm perforation and support etc - supply and fixing of bar screening plate moc ss304 size 2500 mm x 1500 mm with 10 mm perforation and support , supply and fixing of raw sewage pumps 3 hp 3 phase make johnson cutter pump 18 cubic mtr per hr 15 mtr head 2 working 1 standby - supply and fixing of raw sewage pumps 3 hp 3 phase cutter pump 18 cubic mtr per hr at 15 mtr head 2 working 1 standby , supply and fixing of treated water pump 3 hp 3 phase make kriloskar model kds 325plus pluse - supply and fixing of treated water pump 3 hp 3 phase make kirloskar model kds 325 plus plus , supply and fixing of air blower 5 hp make aakash model ab 44 - supply and fixing of air blower 5 hp , repairing of sludge pump including oiling greasing alignment dismantling and assembly replacement of mechanical seal bearing impeller etc and rewinding of 2 hp motor - repairing of sludge pump including oiling greasing alignment dismantling and assembly replacement of mechanical seal bearing impeller and rewinding of 2 hp motor , supply and fixing of ion exchange make filtration media for multi grade filter including pebbles gravels silex and filtration sand etc - supply and fixing of ion exchange make filtration media for multi grade filter including pebbles gravels silex and filtration sand , supply and fixing of ion exchange make activated carbon for activated carbon filter , service charges for vacating and filling of filters , supply and fixing of fine bubble diffuser 3 inch for fmr , supply and fixing of digital flow meter 2 inch for inlet and outlet , supply and laying of cable tray with support and dressing of cables and required - supply and laying of cable tray with support a