Shapai Dam
The Shapai Dam is an arch dam on the Caopo River in Wenchuan County, Ngawa, Sichuan Province, China. The dam is 130 metres (427 ft) tall and composed of roller-compacted concrete. There are no spillways on the face of the dam but two tunnels are utilized with a discharge capacity of 453 cubic metres per second (15,998 cu ft/s). A single penstock feeds water to a power station 5 kilometres (3 mi) downstream. The power station contains 2 x 18 MW generators with a combined capacity of 36 MW.[1]
| Shapai Dam | |
|---|---|
  Location of Shapai Dam in China | |
| Country | China |
| Location | Caopo Town, Wenchuan County, Ngawa, Sichuan Province |
| Coordinates | 31.3161°N 103.3708°E |
| Status | In use |
| Opening date | 2002 |
| Dam and spillways | |
| Type of dam | Arch |
| Impounds | Caopo River |
| Height | 130 metres (427 ft) |
| Length | 230 metres (755 ft) |
| Width (crest) | 9.5 metres (31 ft) |
| Width (base) | 28 metres (92 ft) |
| Dam volume | 356,000 cubic metres (12,572,021 cu ft) |
| Spillways | Two discharge tunnels |
| Spillway capacity | 453 cubic metres per second (15,998 cu ft/s) |
| Reservoir | |
| Creates | Shapai Reservoir |
| Total capacity | 3,135,000,000 cubic metres (2,541,586 acre⋅ft) |
| Catchment area | 239.2 square kilometres (92 sq mi) |
| Power Station | |
| Hydraulic head | 270 metres (886 ft) |
| Turbines | 4 x 18 MW |
| Installed capacity | 36 MW |
References
- "Introduction on Shapai Hydropower Station". China Water. Archived from the original on 12 May 2014. Retrieved 6 January 2011.
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