construction of composite gravity dam on river orr of gross capacity of 371.80 m

construction of composite gravity dam on river orr of gross capacity of 371.80 mcm on turnkey basis comprising of concrete overflow non overflow blocks earthen dam including survey geological investigations preparation and submission of la cases for land acquisition of dam seat and submergence area rehabilitation and resettlement plan including property survey planning design estimation preparation of construction drawings and construction of concrete dam which includes ogee spillway with surplussing arrangement and radial gates with hoisting arrangements and energy dissipation arrangement gantry crane stop log arrangements inspection and deck slab bridge etc erection of one number elevator for connecting dam top to inspection gallery and foundation gallery including proper ventilation in galleries and control room including lighting arrangement irrigation and environmental sluice in dam with all hoisting arrangements and obtaining approval of all construction drawings from the compete