Period
June 2005
Client
Iran Water and Power Resources Development Company
Location
Lower section of the Bakhtiari River in Lorestan Province, situated on the southwestern slopes of the Zagros Mountains
Stage
Implementation of diversion system and access roads
Technical Specifications
• Type: Double-arch concrete dam
• Height from foundation: 315 m
• Foundation depth: 10 m
• Crest length: 509 m
• Base width: 50 m
• Crest width: 10 m
• Reservoir volume: 4,845 million m³
• Reservoir surface area: 58.7 km²
• Reservoir length: 59 km
Moshanir Responsibility:
Moshanir was responsible for Phase II design, engineering services, and supervision of dam and power plant operations.
Key Achievements
• Recognized as the tallest double-arch concrete dam in the world with a height of 315 m
• Second largest artificial water reservoir in Iran after Karkheh Dam, with a storage volume of 4.8 billion m³ at normal water level
• Minimal social impacts associated with reservoir inundation
• Planned installed capacity of the power plant: 1,500 MW
• Long-term benefits through agricultural development of lands surrounding the dam
