tender for annual operation & maintenance of distribution system and rising main pipeline & functional house hold tap connection (ci/di/upvc) murshidabad municipality, nashipur, jiaganj municipality, lalbagh s.d hospital, kantanagar, gap (phase_ii) water supply scheme of lalbagh sub-division under murshidabad division, p.h.engineering dte. for 1(one) year [ valve operation , repairing of bursting / leakage of lds and rising main , maintenance of valves , cleaning of ohr , carrying chlorine from dept. store to the work site , repairing of functional house hold tap connection , cleaning of ferrules , periodical washing of lds , monthly testing of water etc]