Golden Prize of National Quality Prize
Silver Prize of National Excellent Project Design
Prize of Excellent Design of Ministry of Water Resources and Power
Second Prize of Provincial Science-Technology Progress
The double-arch dam of the project, which firstly adopts large and middle size holes for flood discharging, is a milestone of arch dam design progress.
Ouyanghai Hydroproject is located in Chonglingshui Canyon of the first grade tributary of Xiangjiang River in Hunan Province. It is a large scale (Grade II) hydro-project, possessing comprehensive utilization benefits mainly for irrigation, incorporated with generation and navigation. Construction of the Project started in 1966 and accomplished in 1975. The total reservoir capacity is 0.425 billion m3 with irrigation area of 0.7299 million Mu. The dam adopts vaulted concrete dam, which has firstly adopted large and middle size holes of 11.5m×7m for flood discharging. The project adopts dam toe diversion cannel power station with installed capacity of 66MW (3×12MW+1×30MW).