中国神化煤制油化工有限公司北京工程分公司中国神化煤制油化工有限公司新疆煤化工分公司神华新疆68万吨/年煤基新材料项目全厂系统工程地管施工方案编制：审核：批准：总承包单位：中国成达工程有限公司施工单位：中国化学工程第三建设有限公司目录第一章编制说明及编制依据.........................................................................................................11.1编制说明.............................................................................................................................11.2编制目的............................................................................................................................11.3编制依据.............................................................................................................................1第二章工程概况........................................................................................................................32.1工程简述.............................................................................................................................32.2主要实物工作量................................................................................................................42.3工程特点............................................................................................................................5第三章地管具体施工措施及方法...............................................................................................63.1主要施工程序.....................................................................................................................63.2施工原则............................................................................................................................73.3施工前准备.........................................................................................................................73.4材料的验收........................................................................................................................73.5施工程序、施工方法及技术要求.....................................................................................93.5.1管道施工程序..........................................................................................................93.5.2主要施工方法........................................................................................................103.5.3管线定位放线，管沟开槽及回填........................................................................103.5.4管道防腐................................................................................................................143.5.5无缝钢管（20#钢）、螺旋电熔焊管（Q235B）安装.......................................153.5.5.1管道焊接.............................................................................................................153.5.5.2无缝钢管（20#钢）、螺旋电熔焊管（Q235B）安装技术要求....................183.5.6夹砂玻璃钢管、耐高温玻璃钢管安装................................................................213.5.7钢骨架PE复合管安装..........................................................................................223.5.8球墨铸铁管安装....................................................................................................233.5.9钢筋混凝土管安装................................................................................................243.5.10阀...
