NIeT NO.124/2025-26/01

Annual Operation and Maintenance of CWPP unit with Solar Power connection

Operation and maintenance of entire installations (except day to day operation) which includes: a) Cleaning of site, checking of valves and pipes, checking of electrical connections, cleaning solar panel etc. twice in a month Back-wash handover, must be done at least once a week mandatorily. b) Replacement of damaged Valves, Bib cocksand any other parts of all unit as and when necessary; c) Repair/ replacement of pumping machinery i/c controller, PV Panel, wiring, swithches etc. as and when necessary; d) Painting of M.S. structureand all painted surface at the end of each year

Complete overhauling of Oxidation Vessel, Pre-Filter Vessel and Back-wash Vessel as and when required by engagement of labour& equipments (the work to be executed on written instruction & superviation of the E-in-C.) which includes: a) Complete removal of media from the vessels, breaking of clots and thorough washing and cleaning of all media; b)placement of all media with 10% of fresh new media (lost during washing) including cost and carriage of the fresh new media

Complete replacement of MnO2 and Green sand in the Oxidation Vessel and Pre-Filter Vessel as and when required by engagement of labour & equipment Complete removal of old media from the vesssels and placement of new media including cost and carriage.