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Srisailam Dam
The Srisailam Dam is a dam constructed across the Krishna River in the border of Mahabubnagar District, Telangana (Left bank) and Kurnool district, Andhra Pradesh (Right bank) in India and is the 3rd largest capacity hydroelectric project in the country.
The dam was constructed in a deep gorge in the Nallamala Hills in between Mahabubnagar and Kurnool districts, above sea level. It is long, high and has crest gates. It has a reservoir of . Project has an estimated live capacity to hold 178.74 billion cubic feet. The left bank power station houses reversible Francis-pump turbines (for pumped-storage) and the right bank contains Francis-turbine generators.
==Project history==
The Srisailam project began in 1960, initially as a power project, across the Krishna, near Srisailam. After several delays, the main dam was finally completed twenty years later in 1980 July 26. In the meantime the project was converted into a multipurpose facility with a generating capacity of by its second stage which was expected to be completed in 1987. The dam is to provide water for an estimated with its catchment area of and water spread of . Under the right branch canal in Kurnool and Kadapa districts will have assured irrigation. From the initial modest estimate of for a power project the total cost of the multipurpose project was estimated to cross in its enlarged form. The high and wide dam has alone cost together with the installation of four generating sets of each. The right branch canal is estimated to cost and the initial investment of has been provided by the World Bank. The projected cost-benefit ratio of the project has been worked out at 1:1.91 at 10% interest on capital outlay.. On 2 October 2009, Srisailam dam experienced a record inflow which threatened the dam.〔(Managing historic flood in the Krishna river basin in the year 2009 )〕
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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