【正文】 深圳液化天然氣項目（迭福站址）冷排水工程（陸域段）施工項目 深基坑土石方開挖及支護工程 專項施工方案 編制單位 : 北京市海龍公路工程公司 編 制 人 : 審 核 人 : 審 批 人： 編制日期： 2021 年 07 月 20 日 2 目 錄 第一章 工程概況 ....................................................................................................................................................... 4 工程概況 ................................................................................................................................................... 4 工程地質(zhì)及水文地質(zhì) .............................................................................................................................. 4 本專項方案涉及的主要施工內(nèi)容 ......................................................................................................... 6 基坑概況 ................................................................................................................................................... 6 施工重難點分析及應(yīng)對措施 .................................................................................................................. 7 第二章 編制依據(jù) ....................................................................................................................................................... 9 第三章 施工組織部署 ............................................................................................................................................11 施工管理目標(biāo) .........................................................................................................................................11 項目組織機構(gòu) .........................................................................................................................................12 勞動力配置計劃 .....................................................................................................................................13 主要機械設(shè)備配置 .................................................................................................................................15 第四章 主要項目施工方法 ....................................................................................................................................16 施工測量放線 .........................................................................................................................................16 土方工程施工 .........................................................................................................................................17 排水溝施工 .............................................................................................................................................19 石方工程施工 .........................................................................................................................................20 邊坡支護施工 .........................................................................................................................................23 圍護樁施工 ............................................................................................................................................28 內(nèi)支撐架設(shè)施工 .....................................................................................................................................33 基坑監(jiān)控量測 .........................................................................................................................................33 第五章 施工進度計劃 ............................................................................................................................................35 施工進度計劃安排 .................................................................................................................................35 進度控制的協(xié)調(diào)措施 ............................................................................................................................36 3 施工進度計劃的動態(tài)控制 ....................................................................................................................36 第六章 應(yīng)急救援預(yù)案 ..........................................................................................................................................37 安全應(yīng)急機制 .........................................................................................................................................37 危險源分析及應(yīng)急救援預(yù)案 ................................................................................................................39 第七章 工程質(zhì)量保證措施 ....................................................................................................................................41 質(zhì)量保證與承諾 .....................................................................................................................................41 質(zhì)量保證體系 ........................................................................................................................................42 施工現(xiàn)場質(zhì)量保證措施 ........................................................................................................................44 第八章 安全文明施工措施 ....................................................................................................................................47 安全施工措施 .........................................................................................................................................47 文明施工措施 .........................................................................................................................................53 第九章 環(huán)境保護措施 ............................................................................................................................................55 環(huán)境保護目標(biāo) .........................................................................................................................................55 環(huán)境保護體系 ...................................................................................................................