Kinjo Dam

Kinjo Dam
Country Japan
Location Naha, Okinawa
Coordinates 26°12′44″N 127°43′03″E / 26.21222°N 127.71750°E / 26.21222; 127.71750Coordinates: 26°12′44″N 127°43′03″E / 26.21222°N 127.71750°E / 26.21222; 127.71750
Status Operational
Construction began 1989
Opening date 2000
Dam and spillways
Type of dam Concrete gravity
Height 19 m (62 ft)
Length 120 m (394 ft)
Elevation at crest 52 m (171 ft)
Dam volume 14,250 m3 (18,638 cu yd)
Spillways 5-openings
Spillway type Service, uncontrolled overflow
Reservoir
Total capacity 510,000 m3 (413 acre·ft)
Active capacity 470,000 m3 (381 acre·ft)
Catchment area 1.7 km2 (1 sq mi)
Surface area 400 m2 (4,306 sq ft)[1]

The Kinjo Dam (金城ダム Kinjō Damu) is a concrete gravity dam on the Li River in Naha, Okinawa Prefecture, Japan. It is designated as a cultural property and is located 500 m (1,640 ft) south of Shuri Castle.[2] Construction on the dam began in 1989 and it was completed in 2000.[3] Its main purpose is flood control and on average, it can control an intake of 40 m3/s (1,413 cu ft/s); releasing 23 m3/s (812 cu ft/s). The 19 m (62 ft) tall and 120 m (394 ft) long dam was constructed on fragile rock and is set on a deep concrete staircase foundation.[1]

References

  1. 1 2 "Dam Design" (in Japanese). Okinawa Dam. Retrieved 26 July 2011.
  2. "Location and Cultural Heritage" (in Japanese). Okinawa Dam. Retrieved 26 July 2011.
  3. "Kinjo Dam Overview" (in Japanese). Okinawa Dam. Retrieved 26 July 2011.
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