目录第一章工程概况.........................................................................................31.1工程简介................................................................................................31.2环境简介................................................................................................31.2.1工程环境.............................................................................................31.2.2地质环境.............................................................................................3第二章编制依据........................................................................................4第三章施工部署.........................................................................................43.1总体安排................................................................................................43.2工期安排................................................................................................43.3机械设备安排.........................................................................................53.4材料进场................................................................................................63.5人员布置................................................................................................6第四章施工方案.........................................................................................74.1施工流程及组织....................................................................................74.2施工准备................................................................................................74.3沟槽开挖和管道基础............................................................................84.4管道安装..............................................................................................114.4.1球墨铸铁管安装...............................................................................114.4.2焊接钢管安装...................................................................................244.4.3法兰连接...........................................................................................274.5附属设施安装......................................................................................284.5.1消火栓...............................................................................................294.5.2排气阀...............................................................................................294.5.3排泥阀...............................................................................................304.5.4闸阀与蝶阀.......................................................................................314.5.5管道支墩施工...................................................................................324.6管道试压试验.......................................................................................334.6.1试验分区...........................................................................................334.6.2试验准备...........................................................................................334.6.3试验要求...........................................................................................344.6.4冲洗与消毒.......................................................................................354.7防腐与回填....................................................
