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
CountryChina
LocationCaopo Town, Wenchuan County, Ngawa, Sichuan Province
Coordinates31.3161°N 103.3708°E / 31.3161; 103.3708
StatusIn use
Opening date2002
Dam and spillways
Type of damArch
ImpoundsCaopo River
Height130 metres (427 ft)
Length230 metres (755 ft)
Width (crest)9.5 metres (31 ft)
Width (base)28 metres (92 ft)
Dam volume356,000 cubic metres (12,572,021 cu ft)
SpillwaysTwo discharge tunnels
Spillway capacity453 cubic metres per second (15,998 cu ft/s)
Reservoir
CreatesShapai Reservoir
Total capacity3,135,000,000 cubic metres (2,541,586 acre⋅ft)
Catchment area239.2 square kilometres (92 sq mi)
Power Station
Hydraulic head270 metres (886 ft)
Turbines4 x 18 MW
Installed capacity36 MW

See also

References

  1. "Introduction on Shapai Hydropower Station". China Water. Archived from the original on 12 May 2014. Retrieved 6 January 2011.


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