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Kayrakkum Dam
The Kayrakkum Dam, also spelt variously as Kayrakum, Kairakum, Qayraqqum or Qayroqqum, is an embankment dam on the Syr Darya River near the town of Kayrakkum in Sughd Province, Tajikistan. It is situated on the western edge of the Fergana Valley and creates Kayrakkum Reservoir. The reservoir supplies water for irrigation, primarily in Uzbekistan downstream, and hydroelectric power production. The reservoir is also a Ramsar site. The dam's power station has an installed capacity of 126 MW and is operated by Barki Tojik.〔(【引用サイトリンク】url=http://www.industcards.com/hydro-tajikistan.htm )〕 Construction on the dam began in 1952. It began to impound its reservoir in 1956 and the first two generators were commissioned that year. The other four were operational in 1957 and the project was complete in 1959. The power station is currently undergoing a rehabilitation which should be completed in 2020. Two new and larger turbines will increase the installed capacity to 142 MW.
The tall and long embankment dam is filled with sand, gravel and rock. It's spillway and power station are co-located on the left side of the dam in a gravity dam section. The spillway contains six maintenance gates and six operational gates with a total discharge capacity of . The power station houses six 21 MW Kaplan turbine-generators. Kayrakkum Reservoir has a total storage capacity of and surface of . Of the total reservoir capacity, can be used for irrigation downstream and/or power generation. is dead or unusable storage.〔
==See also==
*Farkhad Dam – downstream
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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