Part- a) details survey, designing and drawing, construction of 7.0mld capacity conventional water treatment plant, 16 nos rcc elevated service reservoir, staff quarter compound wall, supply and laying clear water rising main and distribution networks, house connection, supplying and installation of vt and centrifugal pump motor, five years operation & maintenance with allied works etc. all complete job for full coverage of taljhari block., part- b) details survey, designing and drawing, construction of 7.0 mld capacity conventional water treatment plant, 13 nos rcc elevated service reservoir, staff quarter compound wall, supply and laying of clear water rising main and distribution networks, house connection, supplying and installation of vt and centrifugal pump motor, five years operation & maintenance with allied works etc. all complete job for full coverage of borio block under drinking water & sanitation division, sahibganj on turnkey basis for the 2021-22.