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Karakaya Dam and HEPP
Owner State Hydraulic Works (DSİ) - TURKEY
Location South East of Turkey, on Fırat River
Contractor J.V. Italstrade Torno - ERG for Karakaya
Contract Value U.S. $ 600 x 106 (Civil works only)
Reservoir  
  Volume   9,58 x 109 m3
  Active volume 5,58 x 109 m3
  Maximum elevation 693 m
  Area 29.800 ha.
  Tributary area 80 km2
  Length 166 km
Dam    
  Type Arch gravity
  Height 173 m from foundation
  Crest elevation 698 m
  Crest length 462 m
  Concrete volume  2 x 106 m3
  Spillway Crest overstop, 10 ea. 17.100 m3/sec discharge
Diversion Tunnels   2 x 11,50 m diameter, circular, 3.500 m3/sec capacity
Power Plant   6 x 300 – 1.800 MVA
Annual output 7,5 x 109 Kwh

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