construction of 02 ( two ) nos. different capacities 20 mtr. staging height r.c.c. over head reservoirs as per departmental design, drawing & specification with r.c.c. bored pile & pile cap including soil investigation, laying distribution system, rising main, functional household tap connection ( fhtc ) and construction of 09 ( nine ) nos. chlorination room of size 5.0m x 4.0m for jaldhapa, shyampur ( part-ii ) & mirzapur mouza of mograhat-ii block, for implementation of jjm under augmentation of surface water based w / s scheme in the arsenic affected areas of south 24 parganas district under baruipur sub division of south 24 pgns. w / s division-i, p.h.e dte. [ no. of fhtc = 9688 ] [ tsm / 017282, tsm / 017546, tsm / 016565 ]