assistance in repair and maintenance of various systems viz 11 kv overhead line from power house to bagga dam , work of electrical installation of karian colony ( including operation of two 500 kva dg sets and ofc line between karian township , power house and dam sit , assistance in r&m of various systems viz . 11 kv overhead line from ph to bagga dam , electrical installations of karian colony ( including operation of two 500 kva dg sets ) and ofc lines between karian township , ph and dam site , fixed charges ( as specified in schedule a-1 ) , epf charges for manpower ( as specified in schedule a-1 ) , service charges -inclusive of contractor profit and overhead charges , mediclaim policy charges / esic for deployed manpower ( as specified in schedule a-1 )