annual maintenance sewerage scheme bhiwani town renovation of existing 450 mm rcc np3 pipe near defense colony disposal bhiwani town and all other works contingent thereto , ns item , plugging and deplugging existing sewer line for repair of 450 mm rcc pipe np3 in existing manhole with all arrangement where depth is about 8 mtr.130l. , plugging and deplugging existing sewer line for repair of 300 mm sw pipe in existing manhole with all arrangement where de th is about 8 mtr. bgl. , lowering of sub soil water level upto 3.00 mtr. below the foundation concrete of the sewer by providing well point system including cost of boring providing and installing pipes for the bores developing for successful bore providing and installation of pumping machinery suction / delivery pipes, disposal of water place, including cost .of repair maintenance, running cost of pumping machinery. consumable items, pay of the operational staff will arranged by the contractor& electric supply will be given by the department