天然气站动火连头方案

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目录 一、概况说明 ....................................................................................................................................................... 2 二、连头具体位置： ........................................................................................................................................... 2 ................................................................................................................ 2 2.1连头位置平面位置示意图 .................................................................................................................................. 3 2.2连头轴测示图 三、连头计划 ....................................................................................................................................................... 3 四、本次动火连头要点 ....................................................................................................................................... 4 五、施工程序 ....................................................................................................................................................... 4 .................................................................................................................................. 4 5.1动火连头程序 ........................................................................................................................................ 4 5.2动火连头工序说明 六、氮气置换检查控制节点 ............................................................................................................................... 9 ....................................................................................................................... 9 6.1氮气置换控制流程图 ................................................................................................................... 9 6.2氮气置换主要控制节点 七、碰头动火作业程序 ..................................................................................................................................... 10 ..................................................................................................................... 10 7.1动火、置换人员配置 .............................................................................................................................................. 10 7.2割管 ............................................................................................................................ 10 7.3管道对口与安装 ....................................................................................................................................... 10 7.4防腐施工 八、动火施工组织 ............................................................................................................................................. 11 九.HSE管理 ........................................................................................................................................................ 12 ......................................................................................................................... 12 9.1现场安全防护措施 ......................................................................................................................... 13 9.2阀门内漏控制措施 ......................................................................................................................... 13 9.3动火作业信息公告 ....................................................................................................... 14 9.4作业票办理及施工前现场确认 ....................................................................................................................................... 14 9.5现场监护 ..................................................................................................................... 14 9.6放空置换的安全要求 ..................................................................................................................... 14 9.7切割连头的安全要求 ................................................................................................................................ 14 9.8作业安全分析 ....................................................................................................................................... 17 9.9其他措施 十、应急预案 ..................................................................................................................................................... 17 十一、施工作业风险及对策 ............................................................................................................................. 18 十二、资源配置 ................................................................................................................................................. 19 1 23 第页共页