Thursday, July 21, 2011
Thursday, June 23, 2011
The Power House has been constructed at the toe of intake embankment at the ground surface elevation of 865 ft. S.P.D. The water to Power House is supplied through five steel lined tunnel of 30/26 ft. diameter. Each tunnel is designed to feed two generating units. The Present installed capacity at Power Station is 1000 Megawatts with 15% over load generating capacity at high reservoir level. The Power House tailrace discharges into New Bong Canal which has a length of 25,000 ft. with discharge capacity of about 49,000 cusecs, and terminates at an automatic gate control headworks at 7miles downstream located near old Bong Escape headworks.
The Main Dam is located at Mangla on the river Jhelum.It is an earth-fill type dam with maximum height of 380 ft. above river bed with a crest length of 11,000 ft (3,353 meters).The Main Spillway is a gated concrete structure of submerged orifice type with nine radial gated 36'x40' capable of passing a peak flood of 870,000 cusecs at maximum conservation level of 1202 ft. S.P.D. The Main spillway consists of an approach channel head works, two-stage stilling basin with too chutes and pools separated by a weir and a tailrace channel leading into the river Jhelum.