目录第一章总论................................................................................................................................41.1项目由来及建设的必要性.................................................................................41.2评价目的、原则与方法.........................................................................................71.3编制依据.................................................................................................................81.4评价标准...............................................................................................................101.5评价等级...............................................................................................................121.6评价因子...............................................................................................................131.7评价范围...............................................................................................................131.8建设项目的主要环境影响及相应的保护目标....................................................141.9评价工作重点.......................................................................................................171.10评价方法与工作程序.........................................................................................17第二章建设项目概况及工程分析............................................................................................192.1建设项目概况.............................................................................................................192.2工程项目组成................................................................................................................192.3工程设计指标................................................................................................................212.4工程建成后的排水设施................................................................................................232.5工程施工方案................................................................................................................252.6施工可行性....................................................................................................................262.7工程占地........................................................................................................................262.8工程分析........................................................................................................................272.9产业政策及规划符合性................................................................................................29第三章工程地区环境概况..................................................................................................323.1自然环境概况..................................................................................................323.2社会环境简况................................................................................................................333.3城市排水........................................................................................................................343.4项目沿线地表状况........................................................................................................353.5主要环境问题............................................................................................................