【正文】 1 深圳市城市軌道交通 9 號(hào)線(xiàn)工程 文錦站 基坑 支護(hù)與 土方 開(kāi) 挖 安全 專(zhuān)項(xiàng) 施工方案 編制： 審核： 審批： 中建三局建設(shè)工程股份有限公司 深圳市城市軌道交通 9 號(hào)線(xiàn) BT 項(xiàng)目 91041 標(biāo)段項(xiàng)目經(jīng)理部 2020 年 3 月 2 目錄 第一章 編制說(shuō)明 .......................................................................................................................... 4 編制依據(jù) .......................................................................................................................... 4 編制原則 .......................................................................................................................... 5 章、節(jié)及圖、表編目說(shuō)明 .............................................................................................. 5 第二章 工程概況 .......................................................................................................................... 6 工程簡(jiǎn)介 .......................................................................................................................... 6 工程地質(zhì)及水文地質(zhì)條件 .............................................................................................. 7 基坑周邊環(huán)境條件 ........................................................................................................ 10 施工圖技術(shù)要求 ............................................................................................................ 11 第三章 工程特點(diǎn)、施工重難點(diǎn)及對(duì)策 .................................................................................... 14 工程特點(diǎn) ........................................................................................................................ 14 施工重點(diǎn)及對(duì)策 ............................................................................................................ 14 施工難點(diǎn)及對(duì)策 ........................................................................................................... 16 第四章 施工組 織與部署 ............................................................................................................ 19 施工場(chǎng)地平面布置 ....................................................................................................... 19 施工進(jìn)度安排 ............................................................................................................... 23 項(xiàng)目組織機(jī)構(gòu)及職責(zé) .................................................................................................... 25 施工勞動(dòng)力組織 ............................................................................................................ 28 施工主要機(jī)械安排 ........................................................................................................ 29 施工主要材料計(jì)劃 ........................................................................................................ 30 第五章 基坑支護(hù)及開(kāi)挖施工方案 ............................................................................................ 31 地連墻施工 .................................................................................................................... 31 基坑降、排水 ................................................................................................................ 35 冠梁及支撐施工 ........................................................................................................... 38 基坑開(kāi)挖施工 ............................................................................................................... 42 基坑開(kāi)挖過(guò)程的監(jiān)測(cè) ................................................................................................... 56 周邊建（構(gòu)）筑物保護(hù) ................................................................................................ 58 地下管線(xiàn)保護(hù) ............................................................................................................... 59 第 6 章 質(zhì)量控制及保證措施 .................................................................................................. 62 3 質(zhì)量保證體系 ................................................................................................................ 62 地連墻施工質(zhì)量保證 .................................................................................................... 63 降水工程質(zhì)量保證措施 ............................................................................................... 66 基坑開(kāi)挖及支護(hù)的質(zhì)量控制措施 ............................................................................... 66 第 7 章 安全生產(chǎn)保證措施 ...................................................................................................... 68 安全生產(chǎn)保證體系 ........................................................................................................ 68 安全管理措施 ............................................................................................................... 69 起重機(jī)施工安全要求 ................................................................................................... 70 施工現(xiàn)場(chǎng)用電安全 ....................................................................................................... 71 雨季施工安全 ................................................................................................................ 71 第 8 章 文明施工及環(huán)境保護(hù) .................................................................................................... 72 現(xiàn)場(chǎng)文明施工 ............................................................................................................... 72 環(huán)境保護(hù)措施 ............................................................................................................... 72 第 9 章 施工應(yīng)急預(yù)案 ................................................................................................................ 74 重大危險(xiǎn)源識(shí)別及評(píng)估 ................................................................................................ 74 基坑開(kāi)挖的應(yīng)急處理措施 ........................................................................................... 76 應(yīng)急救援方法 .....................................................................