xxxyyy水电站防洪影响评价报告（送审稿）xx市水利水电勘测设计院二○○六年十月编写单位：xx市水利水电勘测设计院目录1概述............................................................................................................................11.1项目背景............................................................................................................11.2评价依据............................................................................................................21.3技术路线及工作内容........................................................................................32基本情况....................................................................................................................42.1工程概况............................................................................................................42.2流域概况..........................................................................................................102.3气象及泥沙......................................................................................................102.4YY江河流规划..................................................................................................113河道演变..................................................................................................................133.1河道概况..........................................................................................................133.2库区主要工程地质问题评价..........................................................................153.3库区山洪灾害现状及演变趋势......................................................................164防洪评价计算..........................................................................................................174.1水文分析计算..................................................................................................174.2YYY水库的调洪作用分析计算.........................................................................204.3坝址至OO小学河道水面线推算.....................................................................224.4工程对水流流态和水质的影响......................................................................235防洪综合评价..........................................................................................................275.1建设项目与有关规划的关系..........................................................................275.2YYY水电站库区淹没影响.................................................................................275.3库区浸没危害影响的评价..............................................................................285.4对上游OO电站的防洪影响.............................................................................295.5水库建成后清水下泄对下游河道的冲刷影响..............................................295.5建设项目防御洪涝的设防标准与措施是否适当..........................................296防治与补救措施......................................................................................................306.1建设项目影响分析..........................................................................................306.2防治补救措施工程量......................................................................................307结论和建议............................................................................................
