地下车库土方开挖施工方案

'龙元建设集团有限公司珠影文体广场一期工程土方开挖方案地下车库土方开挖施工方案1、地质概况根据建材广州地址工程勘察院提供的岩土工程勘察报告，本工程基础范围主要为淤泥质粘土、粉土和砂土。2、工程概况肇庆大旺珠影文体广场一期工程由肇庆珠影文体产业投资有限公司建设开发。工程位于肇庆市高新园区，南临工业大街，西临体育场西路，东临体育场东路，北侧为市民广场，建筑面积为169588.77平方米，本工程建设层数为1＃~8#楼30层地下一层，10＃楼25层地下一层，11#楼24层地下一层。基础采用预应力管桩，自然地坪相当于设计标高－1.500m左右，基础底标高为－6.100m～－10.600m等多种标高，开挖深度为－4.60m～－9.10m等。3、土方开挖施工准备⑴、测量放线及测量桩点的保护a、基坑开挖之前，场内所有的红线桩及建筑物的定位桩必需经过校验。明确在桩基施工阶段红线桩及定位桩是否产生移位，若有移位应会同规划、设计、建设单位研究处理方案。b、对场边道路及场内的临时设施做好定位标记，以备观测。c、在基坑开挖前，根据施工图纸、建筑轴线位置放出土方开挖放坡边线。d、constructionworkareaintheformofconferencereviews.(2)reviewprogramreviewdateisdeterminedbytheprojectmanager;AccordingtotheprojectmanagerofprojectqualitycontrolDepartmentrequirespreparationofamanagementplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;ReviewProjectOfficeissuednoticesofmeetings;Projectmanagerfacilitatesthereviewmeeting,scheduledcontentunderreview;QualitycontrolDepartmentisresponsiblefortherecords,thepreparationofthereviewreportandcorrectiveactionplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;QualitycontrolDepartmentisresponsibleforthepreparationofrecordsandreportsthedistributionlist,orpublishtotheInternetbyengineeringpartoftheprojectstaffanddepartments.OrganizedbythequalitycontrolDepartmentisresponsiblefortrackingtheimplementationofcorrectivemeasuresinspections.3.4.5theoutputfromthemanagementreviewshallincludethefollowingelements:theeffectivenessandsuitabilityofthequalitymanagementsystem,whetheritbemaintainedandrevised;Qualitypolicyandqualityobjectivesareachievedandtomeetcustomerrequirements,whetheritbemaintainedandrevised;Theallocationofresourcestomeetrequirements,whetheryouneedtoaddoradjust.3.4.6correctiveactiontrackingandverificationontheissuesraisedinthereview,bytheprimaryresponsibilityofdepartmentsdrawupcorrespondingspecificcorrective,preventiveandcorrectivemeasures,andseriouslyimplemented.ProjectqualitycontrolDepartmentisresponsibleforthetracking,verificationandevaluationtheeffectofcorrectiveandpreventiveactions.3.4....(1)thesafetyprogramsanddepartmentsdealingwiththeformationofurbanspatial第11页共11页 龙元建设集团有限公司珠影文体广场一期工程土方开挖方案土方的机械开挖易碰压测量桩，因此在基坑开挖前，基坑开挖范围内的所有轴线和水准点都引出施工活动区域以外，并设置涂红漆的钢筋支架予以保护。a、所有的测量桩、红线点一经核实后，项目部就落实专人对基点进行定期检查复核，以确保红线点的准确性。⑴、施工照明的准备基坑开挖期间，机械施工用电主要是夜间照明和机械的现场小修理用电。a、所有用电均可以从现场基坑边配备的配电箱内接引通过手提小电箱架空引至土方开挖区域。但施工用电必需有值班电工专门负责，禁止操作工人随意连接。b、整个施工现场的夜间照明通过塔吊安置的8个5KW大太阳灯照明。c、挖土机操作范围内的夜间照明采用活动灯架，每个灯架安装1000W小磺钨灯，每台挖土机配备活动灯架4个，其中基底挖土工作面2个，槽上装车工作面2个。d、现场大门口，放坡位置均视情况放置一定数量的照明灯及散光灯和警戒灯。⑵、动力的组织准备主要劳动力的定员及配备见下表：机械及工种机械台数定员人数班制配备人数备注挖土机4428单机双班运土汽车2020240机修人员2212constructionworkareaintheformofconferencereviews.(2)reviewprogramreviewdateisdeterminedbytheprojectmanager;AccordingtotheprojectmanagerofprojectqualitycontrolDepartmentrequirespreparationofamanagementplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;ReviewProjectOfficeissuednoticesofmeetings;Projectmanagerfacilitatesthereviewmeeting,scheduledcontentunderreview;QualitycontrolDepartmentisresponsiblefortherecords,thepreparationofthereviewreportandcorrectiveactionplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;QualitycontrolDepartmentisresponsibleforthepreparationofrecordsandreportsthedistributionlist,orpublishtotheInternetbyengineeringpartoftheprojectstaffanddepartments.OrganizedbythequalitycontrolDepartmentisresponsiblefortrackingtheimplementationofcorrectivemeasuresinspections.3.4.5theoutputfromthemanagementreviewshallincludethefollowingelements:theeffectivenessandsuitabilityofthequalitymanagementsystem,whetheritbemaintainedandrevised;Qualitypolicyandqualityobjectivesareachievedandtomeetcustomerrequirements,whetheritbemaintainedandrevised;Theallocationofresourcestomeetrequirements,whetheryouneedtoaddoradjust.3.4.6correctiveactiontrackingandverificationontheissuesraisedinthereview,bytheprimaryresponsibilityofdepartmentsdrawupcorrespondingspecificcorrective,preventiveandcorrectivemeasures,andseriouslyimplemented.ProjectqualitycontrolDepartmentisresponsibleforthetracking,verificationandevaluationtheeffectofcorrectiveandpreventiveactions.3.4....(1)thesafetyprogramsanddepartmentsdealingwiththeformationofurbanspatial第11页共11页 龙元建设集团有限公司珠影文体广场一期工程土方开挖方案护坡专业人员20240电工224修土配合人员20240场地清理人员6212管理指挥人员5210基坑施工期间总计施工人数为156人。挖土及围护现场总指挥：朱任根1、边坡支护本次施工采用土钉墙支护技术进行基坑支护，土顶设置四排到七排，土钉长度9－12米，用Φ48×3.0钢管，钢管前端敲成扁平状，管身按梅花型每0.6m设置一个Φ8mm出浆孔洞，便于注入水泥浆液，孔洞从离边坡面2.5m处开始设置。坡顶边坡放坡系数为1：1。土钉墙面层采用80mm厚强度等级为C20的喷射砼。喷射砼采用干喷法，分二层施工。配合比（重量比）为水泥：砂：碎石＝1：2：2.5，黄沙为中砂，碎石为瓜子石。在喷射砼施工中，可根据坑壁土层含水量及土方开挖速度，适当增加2－5％的速凝剂。加水量以回弹量最小为准。土钉注浆材料采用水泥砂浆或纯水泥浆，随拌随用。水泥采用强度为32.5MPa的早强型或普通硅酸盐水泥。锚管注浆量≥25kg水泥/米。锚管制作：本工程采用打入注浆式锚管，打入角为向下8－15度。Φ48×3.0钢管前端敲成扁平状，管身按梅花型每0.6m设置一个Φconstructionworkareaintheformofconferencereviews.(2)reviewprogramreviewdateisdeterminedbytheprojectmanager;AccordingtotheprojectmanagerofprojectqualitycontrolDepartmentrequirespreparationofamanagementplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;ReviewProjectOfficeissuednoticesofmeetings;Projectmanagerfacilitatesthereviewmeeting,scheduledcontentunderreview;QualitycontrolDepartmentisresponsiblefortherecords,thepreparationofthereviewreportandcorrectiveactionplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;QualitycontrolDepartmentisresponsibleforthepreparationofrecordsandreportsthedistributionlist,orpublishtotheInternetbyengineeringpartoftheprojectstaffanddepartments.OrganizedbythequalitycontrolDepartmentisresponsiblefortrackingtheimplementationofcorrectivemeasuresinspections.3.4.5theoutputfromthemanagementreviewshallincludethefollowingelements:theeffectivenessandsuitabilityofthequalitymanagementsystem,whetheritbemaintainedandrevised;Qualitypolicyandqualityobjectivesareachievedandtomeetcustomerrequirements,whetheritbemaintainedandrevised;Theallocationofresourcestomeetrequirements,whetheryouneedtoaddoradjust.3.4.6correctiveactiontrackingandverificationontheissuesraisedinthereview,bytheprimaryresponsibilityofdepartmentsdrawupcorrespondingspecificcorrective,preventiveandcorrectivemeasures,andseriouslyimplemented.ProjectqualitycontrolDepartmentisresponsibleforthetracking,verificationandevaluationtheeffectofcorrectiveandpreventiveactions.3.4....(1)thesafetyprogramsanddepartmentsdealingwiththeformationofurbanspatial第11页共11页 龙元建设集团有限公司珠影文体广场一期工程土方开挖方案8mm出浆孔洞，便于注入水泥浆液，孔洞从离边坡面2.5m处开始设置直至管底。在管身孔洞靠前端侧焊上长3cm、Φ14短钢筋或作用面积相当的铁片，避免泥土挤入孔洞。1、土方开挖施工要点⑴、土方开挖顺序：护坡完成后2天从南侧向北侧开始挖土（详见挖土走向图）。⑵、在开挖前按照设计要求的坡度施工，对基底留设的工作面是否有利于施工进行核查，一般情况下，基底工作面由基础底板的挑处部分（承台）外皮向外不得小于800mm宽，特殊部位根据现场设计情况而定。⑶、为防止土方开挖的运输车辆污染城区市政道路，所有运土车辆的土方应压实，大门内的场地用C25砼进行硬化，并设置车辆轮胎冲洗装置，对运土车辆的轮胎进行清洗，清洗用水经硬化区域的排水沟汇入积水井。⑷、现场测量人员加强对设计图纸的理解，保证土方开挖的正确进行，为此在土方开挖前应对边坡的上下口设置控制线及控制点，在施工中适时监控，保证开挖的坡度、位置及深度的正确性。⑸、与打桩单位做好桩基础施工情况的交接工作，现场管理人员应对桩的位置、桩顶标高在开挖过程中做到心中有数，指挥挖掘机准确施工，避免对桩基产生不良影响；同时应由专业截桩队伍进行截桩，且应按要求进行。现场土方开挖管理人员需履行交接班手续。⑹、constructionworkareaintheformofconferencereviews.(2)reviewprogramreviewdateisdeterminedbytheprojectmanager;AccordingtotheprojectmanagerofprojectqualitycontrolDepartmentrequirespreparationofamanagementplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;ReviewProjectOfficeissuednoticesofmeetings;Projectmanagerfacilitatesthereviewmeeting,scheduledcontentunderreview;QualitycontrolDepartmentisresponsiblefortherecords,thepreparationofthereviewreportandcorrectiveactionplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;QualitycontrolDepartmentisresponsibleforthepreparationofrecordsandreportsthedistributionlist,orpublishtotheInternetbyengineeringpartoftheprojectstaffanddepartments.OrganizedbythequalitycontrolDepartmentisresponsiblefortrackingtheimplementationofcorrectivemeasuresinspections.3.4.5theoutputfromthemanagementreviewshallincludethefollowingelements:theeffectivenessandsuitabilityofthequalitymanagementsystem,whetheritbemaintainedandrevised;Qualitypolicyandqualityobjectivesareachievedandtomeetcustomerrequirements,whetheritbemaintainedandrevised;Theallocationofresourcestomeetrequirements,whetheryouneedtoaddoradjust.3.4.6correctiveactiontrackingandverificationontheissuesraisedinthereview,bytheprimaryresponsibilityofdepartmentsdrawupcorrespondingspecificcorrective,preventiveandcorrectivemeasures,andseriouslyimplemented.ProjectqualitycontrolDepartmentisresponsibleforthetracking,verificationandevaluationtheeffectofcorrectiveandpreventiveactions.3.4....(1)thesafetyprogramsanddepartmentsdealingwiththeformationofurbanspatial第11页共11页 龙元建设集团有限公司珠影文体广场一期工程土方开挖方案为防止挖掘机在进行下部土方施工对桩基础产生影响，对挖掘机在第二层土方工作面上应铺设路基箱，分散上部荷载对桩基的影响，为此在施工前应备好路基箱。⑴、考虑现场图纸情况，挖土方式采用台阶式进行，下挖机将土挖出，堆于上台阶，上台阶挖土机将堆土装于运土车内运出。⑵、为防止挖土机和运土车对桩基造成挤压等影响，采用每次挖土前将高于设计标高的桩挖出切割后再进行下层挖土。如此循环，进行开挖并做好记录。1、基坑开挖⑴、基坑开挖前应由施工方制定挖土和运土路线，指定挖土机及运土车辆的进出口，制定严格的现场监督制度，控制挖土施工，控制坑边堆载。⑵、为了便于施工及有利于边坡稳定，土钉墙支护部分开挖坡度定为1：1，土层分层开挖，第一层深2m左右，第二三层一起开挖，其他层基本按锚管排距实施，开挖深度不超过该层土钉标高以下0.3m。分段长度为15m左右，下层土在上层土喷锚网支护施工后二天（至少48小时），才可继续开挖。一定要严格按照喷锚网支护的要求深度和长度进行开挖，绝对不能超挖。⑶、现在基坑四周挖约8m左右宽土钉墙施工工作面沟，基坑其他区域土层保留，待各层土钉施工完毕后，再将基坑中部土体挖除，坑底留30cm余土采用人工清理。挖土至基坑底后，应及时进行垫层施工。⑷、在基坑开挖过程中，应根据检测信息及时调整挖土程序。constructionworkareaintheformofconferencereviews.(2)reviewprogramreviewdateisdeterminedbytheprojectmanager;AccordingtotheprojectmanagerofprojectqualitycontrolDepartmentrequirespreparationofamanagementplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;ReviewProjectOfficeissuednoticesofmeetings;Projectmanagerfacilitatesthereviewmeeting,scheduledcontentunderreview;QualitycontrolDepartmentisresponsiblefortherecords,thepreparationofthereviewreportandcorrectiveactionplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;QualitycontrolDepartmentisresponsibleforthepreparationofrecordsandreportsthedistributionlist,orpublishtotheInternetbyengineeringpartoftheprojectstaffanddepartments.OrganizedbythequalitycontrolDepartmentisresponsiblefortrackingtheimplementationofcorrectivemeasuresinspections.3.4.5theoutputfromthemanagementreviewshallincludethefollowingelements:theeffectivenessandsuitabilityofthequalitymanagementsystem,whetheritbemaintainedandrevised;Qualitypolicyandqualityobjectivesareachievedandtomeetcustomerrequirements,whetheritbemaintainedandrevised;Theallocationofresourcestomeetrequirements,whetheryouneedtoaddoradjust.3.4.6correctiveactiontrackingandverificationontheissuesraisedinthereview,bytheprimaryresponsibilityofdepartmentsdrawupcorrespondingspecificcorrective,preventiveandcorrectivemeasures,andseriouslyimplemented.ProjectqualitycontrolDepartmentisresponsibleforthetracking,verificationandevaluationtheeffectofcorrectiveandpreventiveactions.3.4....(1)thesafetyprogramsanddepartmentsdealingwiththeformationofurbanspatial第11页共11页 龙元建设集团有限公司珠影文体广场一期工程土方开挖方案⑴、施工中应注意在砼泵车停放处围护结构作相应加强处理。⑵、在土方开挖过程中，挖掘机操作手要服从现场管理人员的调度，对开挖路线服从挂你人员指挥。特别要注意对高出的桩加以保护，首先在桩的受挤方向挖空。在挖桩其它三面挖深为1.2m，然后截掉高出的桩。⑶、因局部（电梯井等）二层开挖基坑挖土深、土质差，为防止基坑承台、基坑边坡部土体的隆起问题，开挖过程中采用松木桩做超前支护，木桩梢径大于10cm，顶端应削尖，松木桩用挖土机的铲斗压入，松木桩长3.5－5m，间距1.0m，呈梅花型布置；局部砂性土部位采用IV型拉森钢板桩支护。⑷、为确保边坡的立面角和坡面的平整度，边坡开挖后用人工进行修整。⑸、根据开挖实际情况在边坡面的适当位置设置Φ400PVC、长500的泄水管。⑹、承台下的土方采用人工开挖，挖机进行配合。在机械土方开挖过程中施工测量人员应及时跟进纺线和标高的控制。⑺、退土坡道的宽度为6m，坡度为1：6退土坡道收口时，采用一台挖掘机倒击大部分退土坡道的土方，剩余部分采用人工清理，塔吊吊出。1、基坑排水开挖深度内的土层以粉质粘土、淤泥质粘土等为主，本次施工在基坑内外设排水沟加积水坑的办法进行排水。constructionworkareaintheformofconferencereviews.(2)reviewprogramreviewdateisdeterminedbytheprojectmanager;AccordingtotheprojectmanagerofprojectqualitycontrolDepartmentrequirespreparationofamanagementplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;ReviewProjectOfficeissuednoticesofmeetings;Projectmanagerfacilitatesthereviewmeeting,scheduledcontentunderreview;QualitycontrolDepartmentisresponsiblefortherecords,thepreparationofthereviewreportandcorrectiveactionplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;QualitycontrolDepartmentisresponsibleforthepreparationofrecordsandreportsthedistributionlist,orpublishtotheInternetbyengineeringpartoftheprojectstaffanddepartments.OrganizedbythequalitycontrolDepartmentisresponsiblefortrackingtheimplementationofcorrectivemeasuresinspections.3.4.5theoutputfromthemanagementreviewshallincludethefollowingelements:theeffectivenessandsuitabilityofthequalitymanagementsystem,whetheritbemaintainedandrevised;Qualitypolicyandqualityobjectivesareachievedandtomeetcustomerrequirements,whetheritbemaintainedandrevised;Theallocationofresourcestomeetrequirements,whetheryouneedtoaddoradjust.3.4.6correctiveactiontrackingandverificationontheissuesraisedinthereview,bytheprimaryresponsibilityofdepartmentsdrawupcorrespondingspecificcorrective,preventiveandcorrectivemeasures,andseriouslyimplemented.ProjectqualitycontrolDepartmentisresponsibleforthetracking,verificationandevaluationtheeffectofcorrectiveandpreventiveactions.3.4....(1)thesafetyprogramsanddepartmentsdealingwiththeformationofurbanspatial第11页共11页 龙元建设集团有限公司珠影文体广场一期工程土方开挖方案⑴、基坑外测挖R＝200mm断面的排水沟，在市政下水道附近设沉砂池，及时将地表积水排走，并保护市政管道不被堵塞。⑵、基坑内在坡脚处挖300×300断面水槽在适当的位置集水坑，并边角设集水坑，用潜水泵及时将坑内的积水排走，保持坑内干作业。1、基坑开挖检测在基坑开挖整个过程中进行全过程检测，实行信息化管理，指导土方工程的施工。在施工中做如下检测：⑴、深层土体水平位移观测孔：按设计图示在基坑边坡外测设测斜管，共计14根。⑵、地面设沉降观测点：在基坑外测地面设18个地面沉降观测点，在监测开挖过程中，对基坑外测土体的沉降进行观测。（3）、基坑监测预警指标：水平位移值达到40mm，或位移速率达3mm/d，连续3天，或单日位移7mm；地面沉降值达到30mm，或沉降速率达3mm/d，连续3天，或单日沉降5mm。（4）、基坑支护监测由专业的监测队伍进行，并及时将监测资料反馈支护施工方、设计方，以便及时分析、处理，采取相应的应急措施。（5）、施工阶段每天监测2次，非正常情况下应增加观测次数；完成基坑开挖且变形稳定后，可适当减少观测的次数；监测应进行到地下室外侧土方回填为止。（6）、加强雨天和雨后的监测工作，对各种可能危及支护安全的水害来源进行仔细观测，严防坑外水流入坑内。（7）、在施工过程中，基坑边坡顶部的侧向位移与当时开挖深度之比如超过0.5%时，应加强观测，并分析原因。若超过1%并不收敛时，应及时采取应急措施对支护结构进行加固处理。constructionworkareaintheformofconferencereviews.(2)reviewprogramreviewdateisdeterminedbytheprojectmanager;AccordingtotheprojectmanagerofprojectqualitycontrolDepartmentrequirespreparationofamanagementplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;ReviewProjectOfficeissuednoticesofmeetings;Projectmanagerfacilitatesthereviewmeeting,scheduledcontentunderreview;QualitycontrolDepartmentisresponsiblefortherecords,thepreparationofthereviewreportandcorrectiveactionplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;QualitycontrolDepartmentisresponsibleforthepreparationofrecordsandreportsthedistributionlist,orpublishtotheInternetbyengineeringpartoftheprojectstaffanddepartments.OrganizedbythequalitycontrolDepartmentisresponsiblefortrackingtheimplementationofcorrectivemeasuresinspections.3.4.5theoutputfromthemanagementreviewshallincludethefollowingelements:theeffectivenessandsuitabilityofthequalitymanagementsystem,whetheritbemaintainedandrevised;Qualitypolicyandqualityobjectivesareachievedandtomeetcustomerrequirements,whetheritbemaintainedandrevised;Theallocationofresourcestomeetrequirements,whetheryouneedtoaddoradjust.3.4.6correctiveactiontrackingandverificationontheissuesraisedinthereview,bytheprimaryresponsibilityofdepartmentsdrawupcorrespondingspecificcorrective,preventiveandcorrectivemeasures,andseriouslyimplemented.ProjectqualitycontrolDepartmentisresponsibleforthetracking,verificationandevaluationtheeffectofcorrectiveandpreventiveactions.3.4....(1)thesafetyprogramsanddepartmentsdealingwiththeformationofurbanspatial第11页共11页 龙元建设集团有限公司珠影文体广场一期工程土方开挖方案（8）、施工阶段每天由专人收听气象预报，提早做好预防暴雨等恶劣天气的对策。9、土方开挖施工进度计划控制点根据工程特点和实际情况，为确保该工程工期目标的实现，工期安排设置进度控制点。（另附）10、土方开挖质量要求和质量保证措施（1）、土方开挖质量要求A、主体部分开挖标高符合设计、规范要求。B、附属部分开挖标高符合设计、规范要求。C、边坡放坡符合设计、规范要求，但边坡不得挖陡。（2）、基坑土方允许偏差：A、底面标高符合设计、规范要求；底面长度不应偏小；C、边坡坡度不应偏陡。（3）、土方开挖质量保证措施a、开工前要做好各级技术准备和技术交底工作。施工技术人员（工长）、测量人员要熟悉图纸，掌握现场测量桩及水准点的位置尺寸，同监理代表办理验桩、验线手续。b、施工要配备专职测量人员进行质量控制。要及时复撒灰线，将基坑开挖下口线侧放到基坑底。及时控制开挖标高，做到5m扇形挖土工作面内，标高白灰点不少于2个。c、认真执行开挖样板制，即凡重新开挖边坡坑底时，有操作技术较好的工人开挖一段后，经测量人员或质检人员检查合格后作为样板，继续开挖。施工人员换班时，要交接挖深、边坡、操作方法，以确保开挖质量。d、开挖边坡时，尽量采用沟端开行，挖土机的开行中心线要对准边坡下口线。要坚持先修坡后挖土的操作方法。constructionworkareaintheformofconferencereviews.(2)reviewprogramreviewdateisdeterminedbytheprojectmanager;AccordingtotheprojectmanagerofprojectqualitycontrolDepartmentrequirespreparationofamanagementplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;ReviewProjectOfficeissuednoticesofmeetings;Projectmanagerfacilitatesthereviewmeeting,scheduledcontentunderreview;QualitycontrolDepartmentisresponsiblefortherecords,thepreparationofthereviewreportandcorrectiveactionplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;QualitycontrolDepartmentisresponsibleforthepreparationofrecordsandreportsthedistributionlist,orpublishtotheInternetbyengineeringpartoftheprojectstaffanddepartments.OrganizedbythequalitycontrolDepartmentisresponsiblefortrackingtheimplementationofcorrectivemeasuresinspections.3.4.5theoutputfromthemanagementreviewshallincludethefollowingelements:theeffectivenessandsuitabilityofthequalitymanagementsystem,whetheritbemaintainedandrevised;Qualitypolicyandqualityobjectivesareachievedandtomeetcustomerrequirements,whetheritbemaintainedandrevised;Theallocationofresourcestomeetrequirements,whetheryouneedtoaddoradjust.3.4.6correctiveactiontrackingandverificationontheissuesraisedinthereview,bytheprimaryresponsibilityofdepartmentsdrawupcorrespondingspecificcorrective,preventiveandcorrectivemeasures,andseriouslyimplemented.ProjectqualitycontrolDepartmentisresponsibleforthetracking,verificationandevaluationtheeffectofcorrectiveandpreventiveactions.3.4....(1)thesafetyprogramsanddepartmentsdealingwiththeformationofurbanspatial第11页共11页 龙元建设集团有限公司珠影文体广场一期工程土方开挖方案a、机械挖土工程中，配备足够的民工清土。一般每台挖土机要每班配备7－8人，随时配合清槽修坡，将土送至挖土机开挖半径内。这种方法即可一次交成品，确保工程质量，又可节省劳动力，降低工程成本。b、土方开挖后，进行人工修理确认标高后，及时跟进浇注砼垫层，以防土方长期暴晒或进水并要注意成品的保护工作。c、认真执行项目部制定的技术、质量管理制度。施工中要积累技术资料，如施工日记、设计变更洽商、验桩、验线记录等。d、土方工程竣工后要绘制竣工图，由土建代表和质量检查人员共同检查评定工程质量等级。e、在土方开挖前成立以生产负责人作为总指挥的现场领导小组，加强挖土全过程的管理，确保挖土顺利完成。11、土方开挖安全要求和安全保证措施⑴、开工前要做好各级安全交底工作。根据本工程施工机械多，配合工作多，土质条件差以及运土路线复杂等特点，制定安全措施，组织施工贯彻落实，并定期开展安全活动。⑵、挖土机的铲斗作业回转半径内严禁站立其他人员施工。⑴、运土车辆出大门时，应由专人指挥，避免发生事故。⑵、当挖土司机视线不清时应配备专职指挥。⑶、运土车辆出大门市，应由专人检查车轮是否带泥，并及时清理和做好大门口的保洁工作。⑷、每天检查车辆挡板和挡土设施是否完成，并及时进行修复。constructionworkareaintheformofconferencereviews.(2)reviewprogramreviewdateisdeterminedbytheprojectmanager;AccordingtotheprojectmanagerofprojectqualitycontrolDepartmentrequirespreparationofamanagementplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;ReviewProjectOfficeissuednoticesofmeetings;Projectmanagerfacilitatesthereviewmeeting,scheduledcontentunderreview;QualitycontrolDepartmentisresponsiblefortherecords,thepreparationofthereviewreportandcorrectiveactionplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;QualitycontrolDepartmentisresponsibleforthepreparationofrecordsandreportsthedistributionlist,orpublishtotheInternetbyengineeringpartoftheprojectstaffanddepartments.OrganizedbythequalitycontrolDepartmentisresponsiblefortrackingtheimplementationofcorrectivemeasuresinspections.3.4.5theoutputfromthemanagementreviewshallincludethefollowingelements:theeffectivenessandsuitabilityofthequalitymanagementsystem,whetheritbemaintainedandrevised;Qualitypolicyandqualityobjectivesareachievedandtomeetcustomerrequirements,whetheritbemaintainedandrevised;Theallocationofresourcestomeetrequirements,whetheryouneedtoaddoradjust.3.4.6correctiveactiontrackingandverificationontheissuesraisedinthereview,bytheprimaryresponsibilityofdepartmentsdrawupcorrespondingspecificcorrective,preventiveandcorrectivemeasures,andseriouslyimplemented.ProjectqualitycontrolDepartmentisresponsibleforthetracking,verificationandevaluationtheeffectofcorrectiveandpreventiveactions.3.4....(1)thesafetyprogramsanddepartmentsdealingwiththeformationofurbanspatial第11页共11页 龙元建设集团有限公司珠影文体广场一期工程土方开挖方案⑴、下雨期间进行挖土时，车辆行走的施工道路，宜设麻袋等防止污染物品，防止车辆污迹场外道路环境。⑵、工地全封闭施工，大门口设水龙头、排水沟、沉淀池，出场时必需冲洗干净，方准离开工地，不准将污泥带出门外，影响市容。⑶、夜间挖土施工时，应配置足够的灯光照明。⑷、为预防边坡塌方，一般禁止在边坡上侧堆土，当在边坡上侧堆置材料及移动施工机械时，应距离边坡上边缘1.0m以外，材料堆置高度不得超过1.5m。⑸、提前准备好编织袋、草袋、木桩等物，若边坡局部塌方，则可将坡脚塌方清楚，用编织袋或草袋装土砌挡土墙，以便木桩打桩加固。⑹、若边坡经上述措施后，仍有失稳现象，则应征得设计单位与监理单位同意，采用加大边坡坡度或用压密注浆加固土体等方法，以确保基坑施工得安全。⑺、阴雨天气，在边坡上应加盖塑料薄膜，以防止边坡上得土体流失。⑻、土方开挖后，边缘设置栅栏围护和警示牌。12、基坑开挖应急措施支护工程极为复杂，影响安全的因素很多，场地上土质极差，必须随时做好应付可能出现的不利情况，确定合适的应急措施。⑴、现场应备有应急措施所用材料及设备，如松木桩、钢板桩、水泥、钢筋、注浆机和编织袋等。constructionworkareaintheformofconferencereviews.(2)reviewprogramreviewdateisdeterminedbytheprojectmanager;AccordingtotheprojectmanagerofprojectqualitycontrolDepartmentrequirespreparationofamanagementplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;ReviewProjectOfficeissuednoticesofmeetings;Projectmanagerfacilitatesthereviewmeeting,scheduledcontentunderreview;QualitycontrolDepartmentisresponsiblefortherecords,thepreparationofthereviewreportandcorrectiveactionplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;QualitycontrolDepartmentisresponsibleforthepreparationofrecordsandreportsthedistributionlist,orpublishtotheInternetbyengineeringpartoftheprojectstaffanddepartments.OrganizedbythequalitycontrolDepartmentisresponsiblefortrackingtheimplementationofcorrectivemeasuresinspections.3.4.5theoutputfromthemanagementreviewshallincludethefollowingelements:theeffectivenessandsuitabilityofthequalitymanagementsystem,whetheritbemaintainedandrevised;Qualitypolicyandqualityobjectivesareachievedandtomeetcustomerrequirements,whetheritbemaintainedandrevised;Theallocationofresourcestomeetrequirements,whetheryouneedtoaddoradjust.3.4.6correctiveactiontrackingandverificationontheissuesraisedinthereview,bytheprimaryresponsibilityofdepartmentsdrawupcorrespondingspecificcorrective,preventiveandcorrectivemeasures,andseriouslyimplemented.ProjectqualitycontrolDepartmentisresponsibleforthetracking,verificationandevaluationtheeffectofcorrectiveandpreventiveactions.3.4....(1)thesafetyprogramsanddepartmentsdealingwiththeformationofurbanspatial第11页共11页 龙元建设集团有限公司珠影文体广场一期工程土方开挖方案⑴、在基坑开挖施工过程中，如出现局部位移量过大，应立即停止挖土，并进行土方回填或用沙袋反压，待边坡稳定后，采取加密和加长土钉、增打松木桩、局部放坡卸土等措施加固。⑵、由于基坑开挖造成的坑底土体隆起，应在坑内利用重力压制隆起土体的同时，对坑外土体进行卸载。⑶、如遇流沙现象，应立即停止挖土，采用打水平和垂直锚管，先注浆，止住流砂或透水层后，再开挖工作面。⑷、现场成立抢险应急小分队，随时对基坑开挖过程可能出现的各种突发事件。13、环境保护及职业健康措施⑴、控制施工现场和施工运输过程中的降尘和飘尘对周围大气的污染，采用清扫、洒水等措施降低污染。⑴、运输机械出场地必需洗干净车胎上的泥土。⑵、夜间施工不超过十点，早上开工不得早于七点，如有特殊原因加班，则须申请夜间施工许可证。constructionworkareaintheformofconferencereviews.(2)reviewprogramreviewdateisdeterminedbytheprojectmanager;AccordingtotheprojectmanagerofprojectqualitycontrolDepartmentrequirespreparationofamanagementplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;ReviewProjectOfficeissuednoticesofmeetings;Projectmanagerfacilitatesthereviewmeeting,scheduledcontentunderreview;QualitycontrolDepartmentisresponsiblefortherecords,thepreparationofthereviewreportandcorrectiveactionplan,representativeofthemanagementauditoftheproject,approvedbytheprojectmanager;QualitycontrolDepartmentisresponsibleforthepreparationofrecordsandreportsthedistributionlist,orpublishtotheInternetbyengineeringpartoftheprojectstaffanddepartments.OrganizedbythequalitycontrolDepartmentisresponsiblefortrackingtheimplementationofcorrectivemeasuresinspections.3.4.5theoutputfromthemanagementreviewshallincludethefollowingelements:theeffectivenessandsuitabilityofthequalitymanagementsystem,whetheritbemaintainedandrevised;Qualitypolicyandqualityobjectivesareachievedandtomeetcustomerrequirements,whetheritbemaintainedandrevised;Theallocationofresourcestomeetrequirements,whetheryouneedtoaddoradjust.3.4.6correctiveactiontrackingandverificationontheissuesraisedinthereview,bytheprimaryresponsibilityofdepartmentsdrawupcorrespondingspecificcorrective,preventiveandcorrectivemeasures,andseriouslyimplemented.ProjectqualitycontrolDepartmentisresponsibleforthetracking,verificationandevaluationtheeffectofcorrectiveandpreventiveactions.3.4....(1)thesafetyprogramsanddepartmentsdealingwiththeformationofurbanspatial第11页共11页'