【正文】 氣；管道焊接彎頭采用彎曲半徑 的煨制彎頭，三通接口應(yīng)由生產(chǎn)廠家予以加固，其強(qiáng)度滿足設(shè)計(jì)施工規(guī)范要求； 直埋管道周圍鋪砂蓋砂不小于 200mm,轉(zhuǎn)彎處不小于 300mm； 管道焊接前用鐵條綁棉球，來回拉拽清理官腔，焊口試壓完畢后進(jìn)行接頭保溫發(fā)泡處理。 1 目 錄 一、編制依據(jù) .......................................................................................................................................................................4 施工合同 ....................................................................................................................................................................4 施工圖紙 ....................................................................................................................................................................4 主要規(guī)范規(guī)程 ...........................................................................................................................................................5 主要圖集 ....................................................................................................................................................................8 主要標(biāo)準(zhǔn) ....................................................................................................................................................................8 主要法規(guī) ....................................................................................................................................................................8 其它 ............................................................................................................................................................................9 二、工程概況 .................................................................................................................................................................... 10 總體介紹 ................................................................................................................................................................. 10 建筑概況表 ..............................................................................................................................................................11 結(jié)構(gòu)設(shè)計(jì)概況 ........................................................................................................................................................ 12 專業(yè)設(shè)計(jì)概況 ........................................................................................................................................................ 13 工程的特點(diǎn)及施工難點(diǎn) ....................................................................................................................................... 15 三、施工部署 .................................................................................................................................................................... 18 施工組織機(jī)構(gòu) ........................................................................................................................................................ 18 任務(wù)的劃分 ............................................................................................................................................................. 29 施工部署原則及總體施工順序 ........................................................................................................................... 30 組織協(xié)調(diào) ................................................................................................................................................................. 31 施工進(jìn)度計(jì)劃（附施工進(jìn)度計(jì)劃圖） .............................................................................................................. 32 勞動力安排 ............................................................................................................................................................. 32 主要分項(xiàng)工程工程量 ............................................................................................................................................ 33 四、施工準(zhǔn)備 .................................................................................................................................................................... 34 技術(shù)準(zhǔn)備 ................................................................................................................................................................. 34 施工現(xiàn)場準(zhǔn)備 ........................................................................................................................................................ 37 2 加工訂貨計(jì)劃 ........................................................................................................................................................ 40 臨時(shí)設(shè)施計(jì)劃 ........................................................................................................................................................ 41 臨時(shí)圍檔及施工道路計(jì)劃 ................................................................................................................................... 41 五、主要施工方法 ........................................................................................................................................................... 41 流水段的劃分 ........................................................................................................................................................ 41 大型機(jī)械的選用 .................................................................................................................................................... 42 測量施工 ................................................................................................................................................................. 42 土方工程 ................................................................................................................................................................. 46 鋼筋工程 ................................................................................................................................................................ 49 模板工程 ................................................................................................