衡阳市铜桥港污水处理工程可行性研究报告XX省建筑设计院目录1总论.................................................................................................................41.1项目背景.........................................................................................................41.2编制目的.........................................................................................................41.3编制依据及基础资料.......................................................................................41.4编制原则..........................................................................................................61.5编制范围..........................................................................................................72概况........................................................................................................................82.1城市概况..........................................................................................................82.2自然条件..........................................................................................................92.3供水现状........................................................................................................102.4排水现状........................................................................................................113项目建设的必要性...............................................................................................143.1保护湘江流域水体水质和生态环境的需要..................................................143.2衡阳市经济建设和发展的需要.....................................................................153.3节能减排，坚持走可持续发展道路，构建和谐社会的需要.......................154工程建设规模.......................................................................................................174.1城市总体规划分析.........................................................................................174.2工程规模........................................................................................................184.3污水量预测.................................