目录第一章概述............................................11.1项目名称.........................................................................11.2项目类型.........................................................................11.3项目建设单位.....................................................................11.4项目可行性编制单位...............................................................11.5项目概况.........................................................................11.6研究范围和研究内容...............................................................21.7报告编制依据.....................................................................21.8研究过程.........................................................................31.9主要研究结论.....................................................................3第二章社会经济发展及建设条件..............................82.1区域概况........................................................................82.2某某县城排水现状与规划..........................................................152.3建设条件评价....................................................................15第三章工程建设必要性......................................191、项目符合国家政策法规，有利于保护项目区水资源...................................193、建立排水系统，保护项目区环境，促进经济发展...................................194、和谐社会发展的需要...............................................................20第四章建设规模及设计技术标准.............................214.1建设规模.......................................................................214.2技术标准.......................................................................24第五章工程方案............................................265.1工程管道衔接情况调查............................................................265.2概述............................................................................375.3编制依据........................................................................375.4编制内容........................................................................375.5污水方案设计....................................................................415.6沟槽开挖........................................................................425.7管材比选........................................................................435.8管道基础........................................................................445.9回填及路面恢复..................................................................44第六章环境评价............................................466.1环境影响评价和保护..............................................................466.2自然环境的影响..................................................................466.3大气环境质量....................................................................466.4噪声............................................................................466.5污染防治措施....................................................................486.6保护生态环境措施................................................................486.7大气污染控制措施................................................................49第七章节能评价.............................................507.1节能减排的含义..................................................................507.2编制依据....................