XXXXXXX管道天然气供气工程顶管穿越施工方案编制：审核：审批：XXXXXXXXX有限公司XXXX年XX月XX日目录1.0编制依据...................................................................................................................................................12.0工程概况...................................................................................................................................................22.1巴州区辖区内顶管穿越G244工程概况.........................................................................................22.2恩阳区辖区内顶管穿越G244工程概况.........................................................................................32.3随G244东侧并行4.178KM(巴恩快速路盘兴燕飞山-恩阳新区外环路口)管道工程概况..........43.0燃气管道穿越公路施工.........................................................................................................................123.1顶管穿越砼套管施工方案.............................................................................................................123.2公路顶管穿越施工程序.................................................................................................................133.3施工准备.........................................................................................................................................143.4测量放线.........................................................................................................................................143.5作业坑开挖.....................................................................................................................................143.6安装导向支架、就位顶管机和套管..............................................................................................153.7顶管作业.........................................................................................................................................153.8挖土排土.........................................................................................................................................163.9拆除顶管设施.................................................................................................................................173.10砼套管与道路路基之间灌浆填注................................................................................................174.0砼套管内燃气管道安装施工.................................................................................................................194.1焊接管道.........................................................................................................................................194.1.1材料控制：.........................................................................................................................194.1.2管道组装：.........................................................................................................................194.2砼套管内灌砂填注.........................................................................................................................204.3工作管穿越及套管封堵.................................................................................................................214.4阴极保护安装.................................................................................................................................214.5恢复地貌.......
