Shapai Dam
Dam in Ngawa, Sichuan Province
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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]
CountryChina
LocationCaopo Town, Wenchuan County, Ngawa, Sichuan Province
Coordinates31.3161°N 103.3708°E
StatusIn use
| Shapai Dam | |
|---|---|
  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 ft3) |
| 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 |
