硅砂生产线改扩建工程水土保持方案报告目录1综合说明.............................................................................................................................21.1项目背景.........................................................................................................................................21.2主体工程概况、方案设计深度及设计水平年.............................................................................21.3项目区水土流失重点防治区划分情况，防治标准执行等级.....................................................31.4水土流失防治责任范围及面积.....................................................................................................31.5水土流失预测结果.........................................................................................................................41.6水土保持措施总体布局、主要工程量.........................................................................................41.7水土保持投资估算及效益分析.....................................................................................................51.8结论.................................................................................................................................................62水土保持方案编制总则.....................................................................................................72.1方案编制的目的和意义.................................................................................................................72.2编制依据.........................................................................................................................................72.3水土流失防治的执行标准...........................................................................................................102.4指导思想.......................................................................................................................................122.5方案编制原则...............................................................................................................................122.6设计深度和设计水平年...............................................................................................................143项目概况...........................................................................................................................153.1工程名称、地理位置及主要控制点...........................................................................................153.2工程建设目的、必要性及意义...................................................................................................163.3推荐方案工程概况.......................................................................................................................173.4主要设计方案及内容...................................................................................................................184项目区概况.......................................................................................................................204.1项目区地理位置...........................................................................................................................204.2自然环境概况...............................................................................................................................204.3社会经济概况..............................
