detailed survey, designing and drawing, construction of 2.70 mld capacity water treatment plant, esr 2.80 lakh litre capacity with 24 m staging, esr 4.40 lakh litre capacity with 10 m staging, staff quarter, compound wall, supplying and laying raw, clear water rising main and distribution network, house connection, intake well, gangway, infiltration gallery, supplying and installation of vertical turbine & centrifugal pump motor and five years operation & maintenance with allied works etc. all complete job for chongakhar & adjoining villages coverage rural water supply scheme, block birni under d. w. & s. division giridih - 2 on turnkey basis.”