天然氣站動火連頭方案

1、第1頁共21頁目錄一、概況說明一、概況說明.......................................................................................................................................................2二、連頭具體位置：二、連頭具體位置：.............................

2、..............................................................................................................22.1連頭位置平面位置示意圖...............................................................................................

3、............................22.2連頭軸測示圖...............................................................................................................................................3三、連頭計劃三、連頭計劃..........................

4、.............................................................................................................................3四、本次動火連頭要點四、本次動火連頭要點..........................................................................

5、.............................................................4五、施工程序五、施工程序..................................................................................................................................................

6、.....45.1動火連頭程序...............................................................................................................................................45.2動火連頭工序說明..................................................

7、......................................................................................4六、氮氣置換檢查控制節(jié)點六、氮氣置換檢查控制節(jié)點.............................................................................................................

8、..................96.1氮氣置換控制流程圖...................................................................................................................................96.2氮氣置換主要控制節(jié)點............................................

9、...................................................................................9七、碰頭動火作業(yè)程序七、碰頭動火作業(yè)程序....................................................................................................................

10、.................107.1動火、置換人員配置.................................................................................................................................107.2割管.....................................................

11、........................................................................................................107.3管道對口與安裝........................................................................................................

12、.................................107.4防腐施工.....................................................................................................................................................10八、動火施工組織八、動火施工組織...........

13、..................................................................................................................................11九.HSE.HSE管理管理...........................................................................

14、.............................................................................129.1現(xiàn)場安全防護(hù)措施..................................................................................................................................

15、...129.2閥門內(nèi)漏控制措施.....................................................................................................................................139.3動火作業(yè)信息公告..........................................................

16、...........................................................................139.4作業(yè)票辦理及施工前現(xiàn)場確認(rèn).................................................................................................................149.5現(xiàn)場監(jiān)護(hù).....

17、................................................................................................................................................149.6放空置換的安全要求..............................................................

18、...................................................................149.7切割連頭的安全要求.................................................................................................................................149.8作業(yè)安全分

19、析.............................................................................................................................................149.9其他措施.....................................................................

20、................................................................................17十、應(yīng)急預(yù)案十、應(yīng)急預(yù)案..............................................................................................................................

21、.......................17十一、施工作業(yè)風(fēng)險及對策十一、施工作業(yè)風(fēng)險及對策.............................................................................................................................18十二、資源配置十二、資源配置..............................

22、...................................................................................................................19第3頁共21頁2.2連頭軸測示圖排污池放空立管高壓放空管固定墩低壓放空管從嘉明電廠來(低壓)動火連頭點1動火連頭點2動火連頭點3低壓放空管DN50排污管（去清管區(qū)）DN200高壓放空管（去清管DN200排污

23、管（去橫門末站）DN200排污管DN200高壓放空管DN150低壓放空管新建清管區(qū)已建工藝區(qū)二次連頭點采用法蘭連接從嘉明電廠來(高壓)二次連頭點采用法蘭連接圖二2.3連頭工程量連頭編號連頭管線具體位置規(guī)格焊口數(shù)備注動火連頭點1排污管XXX末站已建工藝區(qū)北側(cè)DN20020#1動火連頭點2高壓放空管XXX末站已建工藝區(qū)北側(cè)DN20020#1動火連頭點3低壓放空管XXX末站已建工藝區(qū)北側(cè)DN20020#1三、連頭計劃三、連頭計劃1)動火連頭時