地下人防工程施工方案

中国建筑一局（集团）有限公司地下人防工程施工方案-1-津南新城目录1.编制依据···············································································································22.工程概况···············································································································23.施工准备···············································································································33.1施工现场准备····································································································33.2施工流水段划分原则···························································································33.3施工流程··········································································································44.技术准备···············································································································45.材料准备···············································································································45.1钢筋原材··········································································································45.2模板架料··········································································································65.3混凝土·············································································································66.机具准备和劳动力安排·····························································································76.1机具准备（人防部分）························································································76.2劳动力安排（人防部分）·····················································································77.主要的施工方法和技术措施·······················································································87.1钢筋工程··········································································································87.2模板工程·········································································································257.3混凝土工程······································································································358.质量保证措施········································································································438.1钢筋工程质量控制·····························································································438.2模板工程质量控制·····························································································448.3混凝土施工质量控制措施····················································································459.成品保护措施········································································································4610.安全生产与文明施工措施························································································47-2-津南新城1.编制依据施工合同文本《混凝土结构施工图平面整体表示方法制图规则和构造详图筏形基础》11G101-3《混凝土结构施工图平面整体表示方法制图规则和构造详图》11G101-1《建筑设计防火规范》GB50016-2006《高层民用建筑设计防火规范》GB50045-95（2005版）《汽车库、修车库、停车场设计防火规范》GB50067-97《汽车库建筑设计规范》JGJ100-98《建筑内部装修设计防火规范》GB50222-95《建筑灭火器配置设计规范》GB50140-2005《人民防空地下室设计规范》GB50038-2005《人民防空工程设计防火规范》GB50098-98《建筑地基基础工程施工质量验收规范》GB50202-2002《混凝土结构工程施工及验收规范》GB50204-2002《建筑工程抗震设防分类标准》GB50223-2004《普通混凝土配合比设计规程》JGJ55－2000《钢筋机械连接通用技术规程》JGJ107－2010《地下工程防水设计规范》GB50108-2008《防空地下室结构设计》07FG01~05《防空地下室建筑设计》FJ01~03《人民防空地下室设计规范》05SFJ10天津市津南区津南新城起步区-B地块2.3期地下车库及人防工程结构和建筑图纸。2.工程概况本工程位于天津大道西侧，津沽路南侧。天津津南新城总开发面积为300万平方米，B地块二期、三期工程总建筑面积为36.6万平米，人防建筑面积14192平米。地下人防工程主要位于本工程部分楼座地下二层及相邻地下车库。人防工程防水为一级设防，防水年限为20年。-3-津南新城五级人防6449平方米（5级人员掩蔽及5级电站），六级人防7743平方米（6级人员掩蔽及6级电站）。本工程设计为7个防护单元，2个人防电站，每个防护单元建筑面积不小于500平方米的抗爆单元。防护等级为战时乙类常5级，乙类常6级。序号项目内容1工程名称津南新城起步区-B地块9~23#楼及车库、中学、幼儿园等工程2工程地址天津市津南区津沽路南侧天津大道西侧3建设单位天津津南新城房地产开发有限公司4设计单位广州市住宅建筑设计院有限公司5监理公司天津开发区泰达国际咨询监理有限公司6质量监督天津市建设工程质量安全监察管理总队7施工总包中国建筑一局（集团）有限公司8施工主要分包江苏永信、南京广润、句容创新、四川华一9合同范围津南新城B地块9～23#楼及周边地库、幼儿园、中学主体结构、二次结构机电设备安装。10投资性质自筹11合同工期3年12合同质量目标合格3.施工准备3.1施工现场准备根据现场的实际情况，便于材料的加工和运输，在施工现场内部建钢筋加工区和钢筋堆放场地及模板加工场。3.2施工流水段划分原则地库底板及筏板流水段划分时根据图纸后浇带进行划分，以减少板施工缝隙，规避防水风险为原则。以工程量大致相同、平衡人、机、料的投入量和配置，合理安排施工场地为原则。-4-津南新城3.3施工流程基坑降排水→土方开挖、支撑施工→截桩、凿桩→垫层砼浇注→桩头防水处理、底板防水卷材施工→底板钢筋放线→底板钢筋绑扎→底板砼浇注→底板砼养护→测量放线→地下墙、柱、梁、板钢筋绑扎→地下墙、柱、梁、板支模→地下墙、柱、梁、板砼浇注→地下墙、柱、梁、板砼养护4.技术准备4.1组织施工技术人员熟悉图纸，了解设计意图。4.2施工方案及交底的编制。项目技术部编制详细的施工方案并进行方案交底，明确施工中应注意的事项。4.3施工技术交底。责任工程师对操作班组进行交底，明确操作中的技术要求和质量控制标准和措施。4.4劳务人员培训。项目工程部除对劳务队伍进行交底（包括书面和口头）外，分包队伍管理层应向其操作层进行方案、措施交底（包括书面和口头），并请有关责任工程师和质量总监参加。5.材料准备5.1钢筋原材5.1.1钢筋原材质量控制图质量员材料员甲方和监理项目物资部材料工程师填写试验委托单试验员按规定现场随机取样、复试填写材料报验单报监理公司投入使用项目物资部各种资料技术部存档责任工程师技术部责任师钢筋进场计划单结构分包审核材料员物资公司收集资料验收批量-5-津南新城5.1.2钢筋的检验要求（1）材质要求根据施工进度计划，钢筋进场按钢筋备料单分批进场，同时钢筋进场时必须具有出厂质量证明书或试验报告单。每批钢筋进场必须按规格附带该批钢筋的试验报告单，且试验报告单上的代表数量不应小于所进场的数量，试验报告单必须是原件，不得使用复印件。（2）复试要求钢筋出厂时，在每捆（盘）上都挂有标牌，印有厂标、钢号、炉（批）号、直径等标号。钢筋进入施工现场时应分批进行验收。（3）外观检查钢筋表面不得有裂缝、结疤、折叠及锈蚀。（4）力学性能试验同一种规格每批重量不大于60t，在每批钢筋中的任意两根钢筋上各取一套，每套试样从每根钢筋端部截去50cm，然后再截取两根，一根做拉伸试验（包括屈服点、抗拉强度和延伸率），另一根做冷弯试验（监理到场见证取样）。试验时，如有一个试验结果不符合规范所规定的数值时，则应另取双倍的试样，对不合格的项目做第二次试验，如仍有一根试样不合格，则该批钢筋为不合格品不予验收。5.1.3钢筋堆放要求堆放钢筋的场地要坚实平整，在场地基层上浇筑100厚的C20混凝土，并从中间向两边设排水坡度，避免基层出现积水。堆放时钢筋下面要垫垫木，垫木厚度不应小于20cm，间距1500mm，以防止钢筋锈蚀和污染。（1）原材堆放钢筋原材进入现场后，按照现场施工平面布置的位置分规格进行堆放，不能为了卸料方便而随意乱放。（2）成品钢筋堆放将加工成型的钢筋分层、分段、分部和