Washing cleaning and servicing of chlorination system for different water supply scheme of dubrajpur and mayureswar ii blocks under bolpur mechanical division phe dte

Operation and maintenance of distribution system including rising main and fhtc for achintyanagar (zone-i, ii) piped water supply scheme of pathar pratima block under kakdwip sub-division of alipore division, phe dte. (for 365 days)

Operation, maintenance and guarding of gaseous chlorination plant at ohr zone no- 40 under arsenic affected area surface based water supply project in south 24 pgs district under s.24pgs mechanical division phe dte.

Operation, maintenance and guarding of gaseous chlorination plant at ohr zone no- 26 under arsenic affected area surface based water supply project in south 24 pgs district under s.24pgs mechanical division phe dte.

Operation, maintenance and guarding of gaseous chlorination plant at ohr zone no- 40 under arsenic affected area surface based water supply project in south 24 pgs district under s.24pgs mechanical division phe dte.

Operation, maintenance and guarding of gaseous chlorination plant at ohr zone no- 24 under arsenic affected area surface based water supply project in south 24 pgs district under s.24pgs mechanical division phe dte.

Operation, maintenance and guarding of gaseous chlorination plant at ohr zone no- 40 under arsenic affected area surface based water supply project in south 24 pgs district under s.24pgs mechanical division phe dte.

Operation, maintenance and guarding of gaseous chlorination plant at ohr zone no- 7 nandarampur under arsenic affected area surface based water supply project in south 24 pgs district under s.24pgs mechanical division phe dte.

Operation, maintenance and guarding of gaseous chlorination plant at ohr zone no- 30 and 34 under arsenic affected area surface based water supply project in south 24 pgs district under s.24pgs mechanical division phe dte.

Operation, maintenance and guarding of gaseous chlorination plant at ohr zone no- 16 and 20 under arsenic affected area surface based water supply project in south 24 pgs district under s.24pgs mechanical division phe dte.