倒虹吸專項方案

1、1目 錄1、工程概況..........................................12、施工總體規(guī)劃......................................23、施工計劃..........................................74、施工導(dǎo)流、圍堰....................................95、降水....................

2、..........................136、便道修筑..........................................137、土方施工..........................................158、鋼制管道安裝......................................189、鎮(zhèn)墩、閥井施工...................................

3、.2010、土方回填.........................................2411、質(zhì)量保證措施.....................................2512、安全生產(chǎn)、環(huán)境保護(hù)與文明施工措施.................282根據(jù)設(shè)計圖紙要求結(jié)合施工現(xiàn)場具體情況，倒虹吸施工工序為：施工測量→場地平整→施工導(dǎo)流→修筑圍堰→土方開挖→鋪設(shè)砂礫石墊層→Ⅱ級鋼筋混凝土“F”型接口管安裝→聚硫