【正文】 .......................................................................................................................5 .....................................................................................................................................5 二、編制依據(jù)及執(zhí)行的規(guī)范、標準 ........................................................................................................5 .....................................................................................................................................6 、規(guī)程及標準 ............................................................................................................6 三、本公司承諾 ....................................................................................................................................6 四、工程項目目標 .................................................................................................................................6 .....................................................................................................................................6 .....................................................................................................................................7 、職業(yè)安全健康 以及文明施工目標 .......................................................................................7 五、施工部署 ........................................................................................................................................7 ..............................................................................................................................7 ..........................................................................................................................8 .....................................................................................................................................9 ...................................................................................................................9 ........................................................................................................................ 10 ............................................................................................ 10 ..................................................................................................................... 11 六、一般施工技術(shù)方案 ....................................................................................................................... 11 設(shè)計交樁 .................................................................................................................................. 11 測量放線 .................................................................................................................................. 12 施工便道修筑 ........................................................................................................................... 13 作業(yè)帶清理 ............................................................................................................................... 13 防腐管運輸與保管 .................................................................................................................... 14 布管 ......................................................................................................................................... 15 管口清理 .................................................................................................................................. 16 管口組對 .................................................................................................................................. 16 焊接與檢驗 ............................................................................................................................... 17 3 防腐補口、補傷 ...................................................................................................................... 18 ................................................................................................................................. 19 管線下溝 ................................................................................................................................ 20 管溝回填 ................................................................................................................................ 21 ................................................................................................................................. 21 連頭 ....................................................................................................................................... 21 管道清管、試壓 ...................................................................................................................... 22 附屬工程施工 ......................................................................................................................... 23 七、定向鉆方案施工技術(shù)措施 ............................................................................................................. 23 、定向鉆施工簡介 ...................................................................................................................... 23 、定向鉆施工工藝及措施 ........................................................................................................... 25 八、清管及水壓試驗 ........................................................................................................................... 27 、主要工序 ................................................................................................................................ 27 、準備工作 ................................................................................................................................ 27 、管段清管 ................................................................................................................................ 28 九、螺旋管安裝焊接 ........................................................................................................................... 34 （ 1）焊接人員 .................................................