bids are invited for operation and maintenance of effluent/sewage treatment plant - complete system; specialized agencies; under amc and functional - annual maintenance contract for operation and maintenance of 50 m3/day mbbr technology sewage treatment plant at hubballi airport, including preventive maintenance,break down and corrective maintenance with min. man power as per the special conditions of contract , detailed scope of work and aai requirement on all days including sundays and holidays etc. complete as required. , painting of stp ms tanks, electrical panels,water pumps, earth pit covers etc located near stp plant with one or more coats of spray painting with synthatic enamel paint of approved brand and manufacturer to give an even shade, including cleaning of surface with rust removal material etc., complete as required. , rewinding/servicing of various type of mono block/submersible pump,motor etc of following capacity as and when required including all other associated works like bearing replacement shaft work etc complete as required. , kirloskar brothers pvt ltd make, 3 phase, 1.5 hp, mono block pump set. , kirloskar brothers pvt ltd make, 3 phase, 2.5 hp, mono block pump set. , bharat bijalee make, 3 phase, 3 hp, mono block pump set. , supply of chemicals like pac, hypochlorite, urea and dap to the site for stp operation as and when required basis etc. complete as required. , supply of 2 multi-port valve with consisting of right to left side mounting arrangement suitable for replacing existing valves installed at stp as and when required basis at site complete as required as per site requirement. , conducting following test on monthly basis as per kspcb / cpcb norms and submission of reports including collection of s le, transportation charges etc complete as required. , stp treated water test as per kspcb norms , stp raw water test as per kspcb norms