目录第一章总论.................................................................................................................11.1项目背景.................................................................11.1.1项目名称..............................................................11.1.2项目承办单位概况......................................................11.1.3编制依据..............................................................11.2项目概况.................................................................41.2.1拟建地点..............................................................41.2.2污水处理工程设计规模..................................................51.2.3主要建设条件..........................................................91.2.4项目投入资金..........................................................91.2.5主要技术经济指标......................................................91.3问题与建议..............................................................10第二章项目建设的意义和必要性....................................................................................122.1项目建设的背景..........................................................122.2项目建设的必要性........................................................122.3项目建设的意义..........................................................13第三章工程规模、进出水水质.......................................................................................153.1建设规模确定............................................................153.1.1基础数据.............................................................153.1.2处理模式选择.........................................................153.1.3污水量...............................................................153.1.4污水处理站建设规模的确定.............................................173.2设计进水水质和出水水质..................................................193.2.1进水水质预测.........................................................193.2.2设计进水水质.........................................................193.2.3设计出水水质.......................................................20第四章场址选择............................................................................................................244.1厂址选择的原则..........................................................244.2厂址的确定..............................................................244.2.1厂址位置确定.........................................................244.2.2厂址占地面积确定.....................................................254.3项目选址的自然环境状况..................................................264.4区域村庄概况............................................................294.5项目选址的经济环境状况..................................................32第五章设计方案............................................................................................................345.1设计依据及原则..........................................................345.2项目涉及村污水治理现状..................................................345.3生活污水收集管网设计....................................................365.2.2排水体制设计.........................................................375.2.3污水管网埋深设计.....................................................375.2.4管道水力计算.....................................