目 录 1 安全评价的目的、范围、依据与工作程序.........................................1 1.1 安全现状评价目的...............................................................................1 1.2 安全评价的范围...................................................................................1 1.3 安全现状评价依据...............................................................................1 1.4 安全评价的工作程序...........................................................................8 2 项目概况.................................................................................................. 9 2.1 企业概况............................................................................................... 9 2.2 自然环境概况.......................................................................................9 2.3 地质概况............................................................................................. 10 2.4 尾矿库设计概况.................................................................................10 2.5 尾矿库现状......................................................................................... 13 3 主要危险、有害因素辨识及分析....................................................... 30 3.1 主要危险因素辨识及分析.................................................................30 3.2 主要有害因素辨识及分析.................................................................37 4 评价单元划分与评价方法选择........................................................... 38 4.1 评价单元划分.....................................................................................38 4.2 评价方法选择.....................................................................................38 4.3 各评价单元采用的评价方法.............................................................39 5 定性定量评价........................................................................................40 5.1 周边环境单元.....................................................................................40 5.2 尾矿坝单元......................................................................................... 415.3 排洪系统单元.....................................................................................52 5.4 安全监测设施单元.............................................................................59 5.5 辅助设施单元.....................................................................................60 5.6 安全管理单元.....................................................................................61 5.7 重大事故隐患判定单元.....................................................................63 5.8“延期换证审核”单元..........................................................................66 6 建议补充的安全对策措施....................................................................68 6.1 周边环境单元.....................................................................................68 6.2 尾矿坝单元......................................................................................... 68 6.3 排洪系统单元.....................................................................................69 6.4 安全监测设施单元.............................................................................69 6.5 安全管理单元.....................................................................................69 6.6 冬季运行管理对策措施.....................................................................70 7 安全评价结论........................................................................................72 7.1 安全现状综合评述.............................................................................72 7.2 各评价单元评价结果.........................................................................72 7.3 总体评价结论.....................................................................................74 8 附件........................................................................................................ 75 9 附图........................................................................................................ 76