中建土方開挖及基坑支護(hù)安全專項施工方案

項目專項施工方案

遷建項目

基坑支護(hù)、降水及土方開挖

安全專項施工方案（二次報審）

編制單位：中建八局第一建設(shè)有限公司

編制人：

日期：2023年3月25日

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項目專項施工方案

目錄

第一章編制依據(jù)..........................................................................................................................................-8-

第二章工程概況.........................................................................................................................................-10-

2.1工程建設(shè)概況表........................................................................................................................................-10-

2.2設(shè)計概況....................................................................................................................................................-10-

2.2.1設(shè)計開挖深度...................................................................................................................................-10-

2.2.2基坑支護(hù)設(shè)計概況...........................................................................................................................-11-

2.3工程施工條件............................................................................................................................................-16-

2.3.1場地現(xiàn)狀、基坑周邊環(huán)境特點.......................................................................................................-16-

2.3.2工程地質(zhì)、水文地質(zhì).......................................................................................................................-17-

第三章施工安排及總體部署........................................................................................................................-20-

3.1項目管理組織............................................................................................................................................-20-

3.2項目管理目標(biāo)............................................................................................................................................-22-

3.3各項資源供應(yīng)方式....................................................................................................................................-22-

3.3.1勞務(wù)資源安排一覽表.......................................................................................................................-22-

3.3.2工程用資源配置安排一覽表...........................................................................................................-23-

3.3.3儀器采購供應(yīng)安排一覽表...............................................................................................................-23-

3.4施工流水段的劃分及施工工藝流程........................................................................................................-24-

3.4.1施工流水段的劃分...........................................................................................................................-24-

3.4.2施工工藝流程...................................................................................................................................-27-

3.5工程施工重點和難點分析及應(yīng)對措施....................................................................................................-27-

3.6新技術(shù)應(yīng)用要求........................................................................................................................................-28-

第四章施工進(jìn)度計劃.................................................................................................................................-28-

4.1施工計劃....................................................................................................................................................-29-

4.2材料封樣及樣板計劃................................................................................................................................-29-

4.3工程量表....................................................................................................................................................-29-

第五章施工準(zhǔn)備與資源配置計劃..............................................................................................................-31-

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項目專項施工方案

5.1施工準(zhǔn)備計劃............................................................................................................................................-31-

5.1.1技術(shù)準(zhǔn)備...........................................................................................................................................-31-

5.1.2現(xiàn)場準(zhǔn)備...........................................................................................................................................-34-

5.2資源配置計劃............................................................................................................................................-35-

5.2.1勞動力配置計劃...............................................................................................................................-35-

5.2.2工程用原材料需要量計劃...............................................................................................................-36-

5.2.3生產(chǎn)工藝設(shè)備需要量計劃...............................................................................................................-36-

5.2.4工程施工主要周轉(zhuǎn)材料配置計劃...................................................................................................-36-

5.2.5施工機(jī)具配置計劃...........................................................................................................................-37-

5.2.6測量計量儀器配置計劃...................................................................................................................-38-

5.2.7水電用量計劃（峰值）...................................................................................................................-38-

5.2.8臨時用水計劃...................................................................................................................................-39-

5.3施工現(xiàn)場平面布置....................................................................................................................................-39-

5.3.1施工現(xiàn)場平面布置圖.......................................................................................................................-39-

5.3.2基坑臨邊防護(hù)...................................................................................................................................-39-

5.3.3限載措施...........................................................................................................................................-40-

5.3.4其它設(shè)施...........................................................................................................................................-40-

第六章施工方案技術(shù)參數(shù)及工藝要求.......................................................................................................-41-

6.1方案及技術(shù)參數(shù)........................................................................................................................................-41-

6.1.1土方開挖技術(shù)參數(shù)...........................................................................................................................-41-

6.1.2基坑支護(hù)技術(shù)參數(shù)...........................................................................................................................-41-

6.2施工總流程及施工工藝............................................................................................................................-46-

6.2.1支護(hù)樁施工工藝.................................................................................................................................-52-

止水帷幕施工...............................................................................................................................................-58-

鋼管樁施工...................................................................................................................................................-59-

6.2.4基坑降水施工.....................................................................................................................................-61-

6.2.5基坑開挖與土釘墻施工.....................................................................................................................-63-

6.2.6錨索施工工藝流程和技術(shù)要求.......................................................................................................-65-

土方開挖施工方法.......................................................................................................................................-66-

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項目專項施工方案

6.3施工要點....................................................................................................................................................-67-

6.3.1灌注樁施工技術(shù)要求.........................................................................................................................-68-

6.3.2土釘墻的施工技術(shù)要求.....................................................................................................................-68-

6.3.3噴射混凝土面層施工技術(shù)要求.........................................................................................................-68-

6.3.4錨桿的施工技術(shù)要求.........................................................................................................................-69-

旋噴錨索的施工技術(shù)要求...........................................................................................................................-69-

管井施工及降水技術(shù)要求：.......................................................................................................................-69-

6.3.6微型鋼管樁施工技術(shù)要求...............................................................................................................-70-

水位觀測井施工技術(shù)要求...........................................................................................................................-70-

三軸攪拌樁施工技術(shù)要求...........................................................................................................................-70-

6.3.9試驗和檢測.........................................................................................................................................-71-

6.3.10土石方開挖施工要點.......................................................................................................................-72-

6.4質(zhì)量標(biāo)準(zhǔn)....................................................................................................................................................-75-

6.4.1基坑支護(hù)質(zhì)量標(biāo)準(zhǔn)及控制要求.......................................................................................................-75-

6.4.2土方開挖質(zhì)量檢驗標(biāo)準(zhǔn)...................................................................................................................-77-

6.5基坑監(jiān)測....................................................................................................................................................-77-

6.5.1監(jiān)測內(nèi)容及項目...............................................................................................................................-77-

6.5.2基準(zhǔn)點、監(jiān)測點的布設(shè)和保護(hù).......................................................................................................-78-

6.5.3現(xiàn)場巡視.............................................................................................................................................-80-

6.5.4監(jiān)測頻率.............................................................................................................................................-81-

監(jiān)測預(yù)警值...................................................................................................................................................-82-

監(jiān)測信息的提交...........................................................................................................................................-82-

6.6基坑驗收及要求........................................................................................................................................-83-

6.6.1驗收依據(jù)和條件...............................................................................................................................-83-

6.6.2驗收標(biāo)準(zhǔn)...........................................................................................................................................-83-

6.6.3驗收程序...........................................................................................................................................-88-

6.6.4驗收內(nèi)容...........................................................................................................................................-88-

6.6.5驗收人員...........................................................................................................................................-89-

第七章進(jìn)度管理計劃.................................................................................................................................-91-

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項目專項施工方案

7.1確定施工進(jìn)度控制點................................................................................................................................-91-

7.2施工進(jìn)度管理組織機(jī)構(gòu)和職責(zé)分工........................................................................................................-91-

7.3進(jìn)度管理措施............................................................................................................................................-93-

7.4分包單位的進(jìn)度管理措施........................................................................................................................-94-

第八章質(zhì)量管理計劃.................................................................................................................................-94-

8.1質(zhì)量控制目標(biāo)分解....................................................................................................................................-94-

8.2質(zhì)量管理的組織機(jī)構(gòu)和職責(zé)分工............................................................................................................-95-

8.3確定質(zhì)量控制點........................................................................................................................................-96-

8.4質(zhì)量保證措施............................................................................................................................................-97-

8.5成品保護(hù)措施............................................................................................................................................-99-

8.6分包單位的質(zhì)量管理措施......................................................................................................................-100-

第九章安全管理計劃...............................................................................................................................-100-

9.1職業(yè)健康安全管理分解目標(biāo)..................................................................................................................-100-

9.2安全管理組織機(jī)構(gòu)和職責(zé)分工..............................................................................................................-100-

9.3職業(yè)健康安全重大危險源......................................................................................................................-103-

9.4職業(yè)健康安全資源配置計劃..................................................................................................................-103-

9.5安全生產(chǎn)管理制度..................................................................................................................................-103-

9.6安全生產(chǎn)保證措施..................................................................................................................................-104-

9.7分包單位安全管理措施............................................................................................................................-105-

第十章環(huán)境管理計劃...............................................................................................................................-105-

10.1環(huán)境管理目標(biāo)........................................................................................................................................-105-

10.2環(huán)境管理組織機(jī)構(gòu)和職責(zé)分工............................................................................................................-106-

10.3重大環(huán)境因素清單................................................................................................................................-106-

10.4環(huán)境保護(hù)資源配置計劃........................................................................................................................-107-

10.5環(huán)境保護(hù)措施........................................................................................................................................-107-

10.6揚(yáng)塵控制措施........................................................................................................................................-107-

第十一章綠色施工管理計劃....................................................................................................................-109-

11.1綠色施工組織機(jī)構(gòu)和職責(zé)分工............................................................................................................-109-

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項目專項施工方案

11.2綠色施工實施措施................................................................................................................................-110-

11.3綠色施工評價........................................................................................................................................-110-

第十二章季節(jié)性施工措施........................................................................................................................-110-

12.1雨季施工................................................................................................................................................-110-

12.1.1施工準(zhǔn)備.......................................................................................................................................-110-

12.1.2雨季施工措施...............................................................................................................................-112-

12.2冬期施工................................................................................................................................................-113-

12.2.1施工準(zhǔn)備.......................................................................................................................................-113-

12.2.2冬期施工措施...............................................................................................................................-114-

第十三章成品保護(hù)管理計劃....................................................................................................................-115-

13.1成品保護(hù)管理組織和職責(zé)分工............................................................................................................-115-

13.2成品保護(hù)計劃及保證措施....................................................................................................................-116-

13.3基坑日常維護(hù)........................................................................................................................................-116-

第十四章應(yīng)急預(yù)案...................................................................................................................................-117-

14.1事故類型和危害程度分析....................................................................................................................-117-

14.2組織機(jī)構(gòu)及職責(zé)分工............................................................................................................................-117-

14.2.1應(yīng)急組織機(jī)構(gòu)...............................................................................................................................-117-

14.2.2應(yīng)急小組職責(zé)分工.......................................................................................................................-117-

14.3預(yù)防與預(yù)警............................................................................................................................................-119-

14.3.1危險源監(jiān)控...................................................................................................................................-119-

14.3.2危險源的預(yù)防、控制措施...........................................................................................................-119-

14.4信息報告程序........................................................................................................................................-120-

14.5應(yīng)急物資儲備........................................................................................................................................-121-

14.6應(yīng)急處理和預(yù)案....................................................................................................................................-121-

14.6.1基坑坍塌應(yīng)急處理和救援預(yù)案...................................................................................................-121-

14.6.2火災(zāi)事故應(yīng)急處理與救援預(yù)案...................................................................................................-122-

14.6.3起重傷害或機(jī)械傷害事故應(yīng)急處理和救援預(yù)案........................................................................-123-

14.6.4物體打擊事故應(yīng)急處理與救援預(yù)案...........................................................................................-124-

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項目專項施工方案

14.6.5大型機(jī)械裝拆、作業(yè)中突發(fā)事件應(yīng)急處理與救援預(yù)案............................................................-124-

14.6.6管線、管道事故應(yīng)急處理與救援預(yù)案.......................................................................................-125-

14.6.7雨季施工應(yīng)急預(yù)案.......................................................................................................................-126-

14.6.8基坑超挖預(yù)案...............................................................................................................................-127-

14.6.9道路開裂、坍塌...........................................................................................................................-127-

第十五章疫情防控預(yù)案及異常情況處理措施...........................................................................................-128-

15.1病毒類型和風(fēng)險描述............................................................................................................................-128-

15.1.1主要癥狀.........................................................................................................................................-128-

15.1.2可能傳播途徑.................................................................................................................................-128-

15.1.3主要防控措施.................................................................................................................................-128-

15.1.4風(fēng)險描述.......................................................................................................................................-128-

15.2疫情防控組織機(jī)構(gòu)、疫情防控措施....................................................................................................-128-

15.2.1成立疫情防控小組.........................................................................................................................-128-

15.2.2疫情防控流程及疫情控制...........................................................................................................-133-

15.2.3疫情防控措施...............................................................................................................................-133-

15.3疫情防控檢查、演練及培訓(xùn)交底..........................................................................................................-138-

15.3.1疫情防控準(zhǔn)備...............................................................................................................................-138-

15.3.2疫情防控演練...............................................................................................................................-138-

15.3.3教育培訓(xùn)及交底...........................................................................................................................-139-

15.4疫情防控設(shè)備、物資、藥品清單及獲得地點....................................................................................-139-

15.4.1疫情防控物資準(zhǔn)備.......................................................................................................................-139-

15.5防控設(shè)備維護(hù)及隊伍建設(shè)......................................................................................................................-139-

15.5.1設(shè)備維護(hù).......................................................................................................................................-139-

15.5.2疫情防控專業(yè)隊伍的建設(shè)和培訓(xùn)...............................................................................................-139-

15.6項目部疫情異常情況應(yīng)急預(yù)案..............................................................................................................-140-

15.6.1工作目標(biāo).......................................................................................................................................-140-

15.6.2工作原則.........................................................................................................................................-140-

15.6.3突發(fā)事件的應(yīng)急反應(yīng)...................................................................................................................-140-

附圖01：基坑及土石方開挖施工階段施工現(xiàn)場平面布置圖........................................................................-1-

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項目專項施工方案

附圖02：基坑及土石方開挖施工階段臨水平面布置圖...............................................................................-2-

附圖03：基坑及土石方開挖施工階段臨電平面布置圖...............................................................................-3-

附件04施工進(jìn)度計劃橫道圖.......................................................................................................................-4-

第一章編制依據(jù)

序號類別文件名稱編號

1《中華人民共和國合同法》國家主席令第15號

2《中華人民共和國建筑法》國家主席令第46號

3《中華人民共和國安全生產(chǎn)法》國家主席令第13