The purpose for construction of this dam is using the Karun River hydroelectric potential and controlling upstream surface currents.
The project was awarded as the premier concrete project in Iran in 2010 in the 8th anniversary of Iranian Concrete Conference. This dam was impounded on April 2010 and officially operated on July 2010.
Project Technical Specification:
Dam type: Double arched concrete Dam
Dam height: 230 meters from the foundation
Crest width: 7 meters
Width of the dam bottom: 34.5 meters
Crest length: 440 meters
Diversion System: 2 No. of tunnels, each 9.5 m dia. and total length of 1364m. The Cofferdam has 45m Rockfill body covered with a soil-cement layer.
Type of spillway: In right abutment, Ogee with radial gate and free over dam crest (5 openings with dimensions 12 and 10 meters)
Spillway discharge capacity: 9600 m3/s
Power plant capacity installed: 1,000 MW
Annual energy production: 2,107 GWh
Total reservoir volume: 2,300,000,000 cubic meters
Total excavation volume: 1,850,000 cubic meters
Total volume of Embankment: 850,000 cubic meters
Total volume of concrete: 1,800,000 cubic meters