外脚手架工程安全专项施工方案

贵州省冶金化工研究所综合实验大楼B幢（贵州省分析测试研究院）脚手架安全专项施工方案(按2015年5月24日专家论证报告修订)程序签名职称专业日期编制编制人审核项目技术负责人公司技术部门公司质量部门公司安全部门批准公司总工贵州建工集团第一建筑工程有限责任二0一五年五月1目录第一节工程概况···································································1一、工程概况·······················································································1二、施工要求·······················································································2三、施工现场平面布置图········································································3四、技术保证条件·················································································3第二节编制依据···································································4一、编制说明·······················································································4二、编制依据·······················································································4第三节施工计划···································································5一、施工进度计划·················································································5二、材料计划·······················································································6三、设备计划表····················································································7第四节施工工艺技术·····························································8一、技术参数·······················································································8二、工艺流程·······················································································8三、施工方法·······················································································9四、检查验收······················································································17第五节施工安全保证措施·····················································23一、组织保障······················································································23二、安全技术措施················································································25三、应急预案······················································································31四、监测监控······················································································35第六节劳动力计划······························································37一、专职安全生产管理人员····································································37二、特种作业人员················································································38第七节计算书及相关图纸·····················································39一、扣件式脚手架计算书·······································································39二、型钢悬挑脚手架(阳角)计算书····························································48三、多排悬挑架主梁验算计算书······························································51四、型钢悬挑脚手架(扣件式)计算书·························································56五、脚手架架在楼板上计算书·································································68六、相关附图······················································································741第一节工程概况一、工程概况1、建设概况本工程为贵州省冶金化工研究所综合实验大楼B幢（贵州省分析测试研究院），位于贵阳市沙文镇。本工程建筑面积为27082.88平方米，结构形式为框架结构，建筑层数为地上12层，地下2层，建筑高度为49.50m。层高：地下一层为6.6m、地下二层为4.5m、地上一层为5.4m、二、三层为4.2m、四、五层为3.6m、其余各层层高均为3.9m。建筑耐火等级地上一级，层面防水等级为一级，抗震设防烈度为6度，结构设计使用年限为50年。2、各参建方责任主体名称建设单位：贵州省分析测试研究院设计单位：贵阳建筑勘察设计有限公司监理单位：贵州建工监理咨询有限公司施工单位：贵州建工集团第一建筑工程有限责任公司3、架体型式及用途根据本工程特点，采用双排钢管扣件式落地脚手架，在二层(标高5.40m)、八层（标高28.8m）局部采用型钢悬挑脚手架，悬挑型钢采用18号工字钢，平铺于二层(标高5.40m)及八层（标高28.8m）梁板上，压环采用ф16的圆钢制作。落地式脚手架基础座落在地下混凝土顶板上，板厚250㎜，混凝土强度等级为C40。二层、八层悬挑钢梁部份板厚为110㎜，混凝土强度等级为C40，边梁的断面尺寸为250㎜×750㎜。架体具体形式详见脚手架搭设情况表。本工程脚手架将作为结构施工脚手架及装修工程施工脚手架使用。在脚手架施工10m范围内无高压输电线，道路距架体较远，在架体搭设范2围没有其他人员的行走通道。脚手架搭设情况表项目搭设部位搭设标高（m）搭设高度备注落地架1层～顶○1～○16轴×○S轴-0.45～51.952.80m采用6×19ф21.5钢丝绳两次卸荷4层～顶○5～○16轴×○F轴○5轴×○A～○F轴13.8～51.938.10m6～8层○1～○5轴×○A轴21.0～28.87.80m悬挑架第一悬挑段2～8层○1轴×○A～○S轴○16轴×○F～○S轴5.4～28.823.4m悬挑型钢采用18号工字钢第二悬挑段8层～顶○1轴×○A～○S轴、○16轴×○F～○S轴、○1～○5轴×○A轴28.8～51.9023.1m4、建筑施工危险等级本工程根据发生生产安全事故可能产生的后果，该悬挑脚手架的危险等级为Ⅰ级，事故后果很严重，危险等级系数为1.10。脚手架施工期间，在施工区域周边设置安全警戒区，并派专人负责施工区周边的警戒工作。二、施工要求1、严格按照相关安全技术规范、规程执行。2、脚手架、悬挑钢梁的设计力求做到结构安全可靠，造价经济合理。3、确保脚手架、悬挑钢梁在使用周期内安全、稳定、牢靠。4、选用材料时，力求做到常见通用、可周转利用，便于保养维修。5、脚手架、悬挑钢梁在搭设及拆除过程中要符合工程施工进度要求。操作人员需取得特殊作业人员资格上岗证。3三、施工现场平面布置图施工平面应本着合理有序的原则进行布置，必须综合考虑本工程的结构特点和施工需求，从有利于文明施工和现场管理的角度设置各类施工临时设施，详见施工平面布置图（附后）。四、技术保证条件1、安全网络2、成立脚手架安全管理领导小组，落实职责，强化管理。3、悬挑型钢脚手架搭设和拆除前，现场技术负责人应向现场管理人员和作业人员进行书面的安全技术交底，并履行签字手续。4、脚手架的搭设和拆除严格执行国家有关标准要求和本工程《专项4施工方案》的各项内容。5、项目部人员机构配备合理，人员素质能满足施工技术要求。第二节编制依据一、编制说明本工程外脚手架采用钢管扣件式落地脚手架，局部采用型钢悬挑脚手架，根椐中华人民共和国住房和城乡建设部下发的《危险性较大的分部分项工程安全管理办法》第五条施工单位应当在危险性较大的分部分项工程施工前编制专项方案；对于超过一定规模的危险性较大的分部分项工程，施工单位应当组织专家对专项方案进行论证。超过一定规模的危险性较大的分部分项工程范围：四、脚手架工程（一）搭设高度50m及以上落地式钢管脚手架工程。（二）提升高度150m及以上附着式整体和分片提升脚手架工程。（三）架体高度20m及以上悬挑式脚手架工程。按上述条款计算，本工程搭设高度所属第一条搭设高度50m及以上落地式脚手架工程、第三条架体高度20m及以上悬挑式脚手架工程，所以单独编制安全专项施工方案，并组织专家论证。二、编制依据（一）相关法律、法规、规范性文件：1.《中华人民共和国安全生产法》中华人民共和国主席令第13号2.《建设工程安全生产管理条例》中华人民共和国国务院令第393号3.《危险性较大的分部分项工程安全管理办法》建质（2009）87号文件4.《建设工程高大模板支撑系统施工安全监督管理导则》建质（2009）254号文件5.《建筑施工企业负责人及项目负责人施工现场带班暂行办法》建质（2011）111号文件56.《关于进一步加强危险性较大的分部分项工程安全管理的通知》建质办〔2017〕39号文件（二）标准、规范：1、《建筑施工企业安全生产管理规范》GB50656-20112、《建筑施工安全技术统一规范》GB50870-20133、《建筑结构荷载规范》GB50009-20124、《混凝土结构设计规范》GB50010-20105、《钢结