bids are invited for operation and day to day maintenance 1 26 bar screen ss 304 coarse screen perforation of 10 12 mm , bar screen ss 304 fine screen perforation of 4-5 mm , sit 2 nos. of self priming centrifugal monoblock sewage pump and motor , sit 2 nos. 1w 1s of 120 m3 per hr capacity of twinlobe rotory air blower , sitc of hypochlorite dosing system , sit of 2nos1w 1s of centrifugal, monoblock, pump and motor filter feed pump. , sit of 2 nos 1w 1s of centrifugal, monoblock, pump and motorgarden pump. , sitc mgf capacity not less than 10 m3 per hr , sitc of acf of capacity not less than 10 m3 per hr , sitc of 1no. sludge transfer pump. , sf of 80 mm dia. gi puddle flanges , dsitc motor control panel , supply and laying of 3 core x 4 sq. mm xlpe insulated, pvc sheathed copper armoured l.t. cable , supply and laying of 3 core x 2.5 sq. mm xlpe insulated, pvc sheathed copper armoured l.t. cable , earthing with g.i. earth plate 600 mm x 600 mm x 6 mm thick , providing and fixing 25 mm x 5 mm g.i strip in 40 mm dia g.i.pipe , providing and fixing 25 mm x 5 mm g.i. strip , providing and fixing 6 swg dia, g.i. wire , fixing of 100 150 mm width x 50 mm depth of perforated hot dip galvanised gi cable trays , sitc of water flow meter , testing and commissioning of stp , obtaining approval from state pollution control board , operation and day to day maintenance of 50 kld sbr technologystp , water sample testing of treated water of sewage treatment plant , servicing, overhauling and repairing of air blower , supply and replacement of air filters of air blower , overhauling of mgf and acf , removal of sludge from stp tanks through tanker sitc of 50 kld sbr technology stp including two years total quantity : 624