【正文】 成都地鐵 5 號線一、二期工程土建 11 標(biāo) 降水工程安全專項(xiàng)施工方案 編制 審核 審批 中鐵 十九 局集團(tuán)有限公司 成都地鐵 5 號線土建 11 標(biāo)項(xiàng)目經(jīng)理部 二〇一六年 四 月 成都地鐵 5 號線一、二期工程土建 11 標(biāo) 降水工程安全專項(xiàng)施工方案 中鐵十九局集團(tuán)有限公司 1 目 錄 第一章 編制目的及編制依據(jù) ............................................................................................. 1 編制依據(jù) ................................................................................................................ 1 第二章 工程概況 ................................................................................................................. 2 工程概況 ................................................................................................................ 2 工程地質(zhì)及水文地質(zhì)情況 .................................................................................... 3 地下管線信息 .......................................................................................................11 與鄰近建筑的關(guān)系 .............................................................................................. 12 第三章 施工總體安排 ....................................................................................................... 15 施工安排 .............................................................................................................. 15 進(jìn)度計(jì)劃 .............................................................................................................. 15 勞動力計(jì)劃 .......................................................................................................... 15 機(jī)械設(shè)備、材料計(jì)劃 .......................................................................................... 15 第四章 降水設(shè)計(jì)方案 ....................................................................................................... 17 降水方法 .............................................................................................................. 17 降水井、集水井設(shè) 計(jì) .......................................................................................... 18 涌水量計(jì)算 ......................................................................................................... 19 降水井?dāng)?shù)量計(jì)算 ................................................................................................. 20 降水井結(jié)構(gòu) .......................................................................................................... 21 降水井井深 ......................................................................................................... 22 降水井平面布置 .................................................................................................. 22 降水井水泵選型 .................................................................................................. 22 第五章 降水施工方案 ....................................................................................................... 24 降水施工工藝 ...................................................................................................... 24 降水施工方法 ...................................................................................................... 25 降水施工管理 ...................................................................................................... 26 降水運(yùn)轉(zhuǎn)及維護(hù) ....................................................................................... 26 成都地鐵 5 號線一、二期工程土建 11 標(biāo) 降水工程安全專項(xiàng)施工方案 中鐵十九局集團(tuán)有限公司 2 水位及砂率控制 ........................................................................................28 降水效果檢查 ............................................................................................28 降水施工注意事項(xiàng) ............................................................................................... 28 第六章 危險源辨識 ............................................................................................................ 30 降水過程中危險源辨識 ....................................................................................... 30 降水工程 ....................................................................................................30 觸電事故 ....................................................................................................30 起重吊裝 ....................................................................................................30 道路沉降 ....................................................................................................30 周邊建筑物 ................................................................................................30 基坑周邊管線 ............................................................................................30 危險源分級表 ....................................................................................................... 30 針對不同風(fēng)險源采取的措施 ............................................................................... 31 周邊道路、建筑物及管線保護(hù)措施 ........................................................31 降水施工安全保證措施 ............................................................................32 臨時用電安全措施 ....................................................................................32 起重吊運(yùn)安全保證措施 ............................................................................34 坑壁涌水處置措施 ....................................................................................35 第七章 施工安全技術(shù)措施 ................................................................................................ 37 組織保證 ............................................................................................................... 37 施工安全保證措施 ............................................................................................... 37 孔口安全防護(hù) ............................................................................................37 臨時用電安全措施 ....................................................................................37 制度保證措施 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