目 录 1 评价对象与依据..............................................................................1 1.1 评价对象及范围............................................................................1 1.2 评价依据........................................................................................1 2 建设项目概述...................................................................................8 2.1 建设项目概况................................................................................8 2.2 自然环境概况.............................................................................. 11 2.3 地质概况......................................................................................12 2.4 建设方案概况..............................................................................18 3 定性定量评价.................................................................................39 3.1 场址单元......................................................................................39 3.2 坝体单元......................................................................................42 3.3 防排洪系统单元..........................................................................57 3.4 排渗设施......................................................................................66 3.5 安全监测单元..............................................................................67 3.6 辅助设施单元..............................................................................68 3.7 安全标志单元..............................................................................68 3.8 安全管理单元..............................................................................68 3.9 重大危险源辨识单元..................................................................70 4 安全对策措施建议.........................................................................71 4.1 场址安全对策措施......................................................................71 4.2 坝体安全对策措施......................................................................714.3 防排洪系统安全对策措施......................................................... 71 4.4 安全监测安全对策措施..............................................................72 4.5安全管理安全对策措施..............................................................73 4.6冬季安全生产对策措施..............................................................73 4.7 安全设施设计中重视的对策措施............................................. 73 5 评价结论......................................................................................... 75 5.1 主要危险、有害因素..................................................................75 5.2 重点防范的重大危险、有害因素............................................. 75 5.3 应重视的安全对策措施建议..................................................... 75 5.4 总体评价结论.............................................................................75 6 附件................................................................................................. 77 7 附图................................................................................................. 78