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Shimenkan Hydropower Station is located in the middle of the Pu’er county on the Li Xian Jiang River, in Yunnan Province, which at the junction of Simao (right bank) and the Mojiang River County (left bank) ,and which is Li Xian Jiang River‘s the second cascade. Above dam site runoff area 6410km2, multi-year average flow of 130.3m~3 / s, annual flow of 41.1×10~8m~3. Above dam site is not currently shipping, and no long-term shipping requirements, no important power station downstream flood control object; downstream less farmland, irrigation, tributary of the major problems cited on the water solution, in the mainstream non-irrigation water requirements. Therefore, the main task of Shimenkan hydro-power development is for power generation.Construction of hydropower Shimenkan can promote sustained and steady development of Yunnan Province, to meet the needs of regional power development in support of "west to east", "Cloud Electric Delivery" strategy. Shimenkan Hydropower Station located in Simao Prefecture, is a set of ethnic minorities, remote and poor in one area, the current economic development has been lagging behind the construction of power plants could be an impetus to regional economic development, especially for Pu’er county economic development, to solve agriculture, life electricity, plays a very important role.Through engineering design argues that the main buildings of Shimenkan Hydropower Station include: concrete arch dam, water power systems, ground factory premises. This paper mainly discusses the project construction organization design and engineering of the economic evaluation in detail. According to the project construction conditions, through a more detailed proof design for the construction organizations of the main dam and water diversion for power generation system, an overall layout of the whole project planning, development of construction schedule, set up project management agencies, demonstrated the project of Shimenkan Hydropower Station is technical feasibility. Through price analysis Shimenkan Hydropower Station has a certain financial profitability, liquidity and price competition in the market capacity of hydropower Shimenkan financially feasible, and has a certain ability to resist risks. In particular, the plant has started construction of the cliff at Yayangshan hydropower station downstream, if we consider cascade rolling development, we can shorten the construction period, lower construction cost, it is recommended Shimenkan hydropower should promptly be developed and constructed after Yayangshan hydropower completed.
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