bids are invited for title 1 - dismantling compete air blower system with electric motor repair and complete servicing to air blower system and motor including replacement of complete gear oil filter pad fan belts and other connected items required for smooth and efficient running of air blower system complete all as specified and directed by oem and engr in charge , title 2 - dismantling complete monoblock centrifugal pump set including electric motor capacity upto 3 hp repair complete servicing and overhauling of pump motor set including replacement of ball bearing water seal gasket and complete greasing and other connected items required for smooth and efficeint runnnig to pump set complete all as specified and directed by engr in charge , title 3 - m and l for cleaning of all tanks sludge collection tank mbbr tank post areation tank chlorination tank treated water storage tank complete all as specified and directed by engr in charge , title 4 - m and l for replacement of mbbr media complete all as specified and directed by oem and engr in charge , title 5 - m and l for replacement of tube deck media complete all as specified and directed by oem and engr in charge , title 6 - m and l for replacement of filter media multi grade filter frp 1865 vassal complete all as specified and directed by oem and engr in charge , title 7 - m and l for replacement of filter media activated carbon filter frp 1865 vassal complete all as specified and directed by oem and engr in charge , title 8 - m and l for replacement of top bottom distribution system 1 point 5 inch for both filters complete all as specified and directed by oem and engr in charge , title 9 - m and l for replacement of suitable size ultra violet lamp complete all as specified and directed by oem and engr in charge , title 10 - m and l for replacement of filter press cloths 12x 12 inch manul type complete all as specified and directed by oem and engr in charge , title 11 - m and l for replacement of control wiring