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大运河.孔雀城项目防水施工方案总共19页第1页目录一、工程概况···················································································21.1工程概况简述···············································································21.2编制依据····················································································2二、地下室防水················································································31.施工范围····················································································32.施工准备······················································································33.操作工艺····················································································44.质量标准····················································································65.成品保护····················································································66.应注意的质量问题········································································67.质量记录····················································································7三、平屋面防水················································································7（一）自粘防水卷材主要性能及适用原则···············································7（二）施工工艺简介··········································································8（三）主要配套系统材料简介·····························································11四、坡屋面及卫生间防水···································································131.施工准备······················································································132.工艺流程······················································································153.操作工艺······················································································154.成品保护······················································································185.应注意的质量问题··········································································18五、安全文明施工············································································19大运河.孔雀城项目防水施工方案总共19页第2页运河.孔雀城项目防水施工方案一、工程概况1.1工程概况简述工程名称：大运河.孔雀城建筑面积：4000平方米建筑层数：23#楼地下一层、地上三层；1#楼、24#楼地上三层，无地下室结构形式：23#楼为短支剪力墙结构，1#楼、24#楼为框架结构工程地点：河北省廊坊市安平镇建设单位：廊坊市华夏房地产开发有限公司设计单位：大地建筑事务所（国际）地勘单位：廊坊城市建设设计勘察院监督单位：河北省廊坊市质量监督站监理单位：廊坊金辉工程项目管理有限公司总包单位：承德华宇建筑安装工程有限责任公司1.2编制依据（1）大地建筑事务所（国际）设计施工图纸（2）《城市居住区规划设计规范》（GB50180-932002版）（3）《屋面工程质量验收规范》（GB50207—2002）（4）《民用建筑设计通则》GB50352-2005（5）88J华北标通用图籍本工程防水设计要求：（1）地下室防水：采用4厚高聚物改性沥青防水卷材（2）平屋面防水：本工程屋面防水等级为3级防水层采用一层3厚自粘卷材防水，在屋面与侧墙交界处防水层上翻高度大于300（相对室外完成面）。大运河.孔雀城项目防水施工方案总共19页第3页（3）坡屋面防水：本屋面防水等级为3级，防水层采用1.5厚水皮优单组分聚氨脂防水涂料。（4）卫生间防水：本建筑卫生间设置一层1.5厚水皮优单组分聚氨脂防水涂料，四周沿墙上卷300，淋浴间墙上卷1800二、地下室防水1.施工范围地下室依据设计要求采用4厚高聚物改性沥青防水卷材，要求浅基处墙体做到从地下室外墙面向外返1米，高度同地下室外墙。2.施工准备2.1材料及要求2.1.14厚高聚物改性沥青防水卷材2.1.1.1规格：见表3-6。高聚物改性沥青油毡防水卷材规格表3-6厚度(mm)宽度(mm)长度(m)4.0≥1000102.1.1.2技术性能：见表3-7。高聚物改性沥青油毡防水卷材技术性能表3-7指标聚酯胎麻布胎聚乙烯胎坡纤胎拉力N≥400≥500≥50≥200延伸率%≥30≥5≥200≥50耐热度85℃受热2h不流淌,涂盖层无滑动低温柔性-15℃绕规定直径圆棒，无裂纹不透水性压力/保持时间0.2MPa/30min大运河.孔雀城项目防水施工方案总共19页第4页2.1.2配套材料：2.1.2.1氯丁橡胶沥青胶粘剂：氯丁橡胶加入沥青及溶剂配制而成的黑色液体。用于油毡接缝的粘结。2.1.2.2橡胶沥青乳液：用于卷材粘结。2.1.2.3橡胶沥青嵌缝膏：用于特殊部位、管根、变形缝等处的嵌固密封。2.1.2.4汽油、二甲苯等：用于清洗工具及污染部位。2.2主要用具：2.2.1清理用具：高压吹风机、小平铲、笤帚。2.2.2操作工具、电动搅拌器、油毛刷、铁桶、汽油喷灯或专用火焰喷枪、压子、手持压滚、铁辊、剪刀、量尺、1500mmφ30管（铁、塑料）、划（放）线用品。2.3作业条件：2.3.1施工前审核图纸，编制防水工程施工方案，并进行技术交底。地下防水工程必须由专业队施工，操作人员持证上岗。2.3.2铺贴防水层的基层必须按设计施工完毕，并经养护后干燥，含水率不大于9%；基层应平整、牢固、不空鼓开裂、不起砂；阴阳角应做成圆弧。2.3.3防水层施工涂底胶前（冷底子油），应将基层表面清理干净。施工用材料均为易燃，因而应准备好相应的消防器材。3.操作工艺3.1工艺流程：基层清理→涂刷基层处理剂→铺贴附加层→热熔铺贴卷材→热熔封边→做保护层3.2防水保护墙砌筑：垫层施工完毕，按设计要求在垫层周围砌筑240mm防水保护砖墙为高出基础筏板面120mm，防水保护墙砌筑完成以后，将墙面抹灰、找平，阴干后放线，准备做大运河.孔雀城项目防水施工方案总共19页第5页防水卷材。3.2基层清理：施工前将验收合格的基层清理干净。3.3涂刷基层处理剂：在基层表面满刷一道用汽油稀释的氯丁橡胶沥青胶粘剂，涂刷应均匀，不透底。3.4铺贴附加层：管根、阴阳角部位加铺一层卷材，附加层宽不宜小于500mm。3.5铺贴卷材：本工程卷材防水平面和立面均采用满粘法。施工工序为先平面、后立面（交接处应交叉搭接），先局部、后大面。将改性沥青防水卷材按铺贴长度进行裁剪并卷好备用，操作时将已卷好的卷材，用φ30的管穿入卷心，卷材端头比齐开始铺的起点，点燃汽油喷灯或专用火焰喷枪，加热基层与卷材交接处，喷枪距加热面保持300mm左右的距离，往返喷烤、观察当卷材的沥青刚刚熔化时，手扶管心两端向前缓缓滚动铺设，要求用力均匀、不窝气，铺设压边宽度应掌握好，平面施工时，短边和长边搭接宽度不应小于100mm，立面施工时搭接长度不宜小于150mm。3.6热熔封边：卷材搭接缝处用汽油喷灯或专用火焰喷枪加热，压合至边缘挤出沥青粘牢。卷材末端收头用沥青嵌缝膏嵌固填实。3.7保护层施工：平面做40mm厚细石混凝土保护层；立面防水层施工完，应及时加以保护。大运河.孔雀城项目防水施工方案总共19页第6页4.质量标准4.1保证项目4.1.1高聚物改性沥青防水卷材和胶粘剂的规格、性能、配合比必须按设计和有关标准采用，应有合格的出厂证明。4.1.2卷材防水层特殊部位的细部作法，必须符合设计要求和施工及验收规范的规定。4.1.3防水层严禁有破损和渗漏现象。4.2基本项目：4.2.1基层应平整，无空鼓、起砂，阴阳角应呈圆弧形或钝角。4.2.2改性沥青胶粘剂涂刷应均匀，不得有漏刷、透底和麻点等现象。4.2.3卷材防水铺附加层的宽度应符合规范要求；分层的接头搭接宽度应符合规范的规定，收头应嵌牢固。4.2.4卷材粘结应牢固，无空鼓、损伤、滑移翘边、起泡、皱折等缺陷。5.成品保护5.1地下卷材防水层部位预埋的管道，在施工中不得碰损和堵塞杂物。5.2卷材防水层铺贴完成后，应及时做好保护层，防止结构施工碰损防水层；外贴防水层施工完后，应按设计要求做好保护工作。5.3卷材平面防水层施工，不得在防水层上放置材料及作为施工运输车道。6.应注意的质量问题6.1卷材搭接不良：接头搭接形式以及长边、短边的搭接宽度偏小，接头处的粘结不密实，接槎损坏、空鼓；施工操作中应按程序弹标准线，使与卷材规格相符，操作中齐线铺贴，使卷材接长边不小于100mm，短边不小于150mm。6.2空鼓：铺贴卷材的基层潮湿，不平整、不洁净、产生基层与卷材间窝气、空鼓；铺设时排气不彻底，窝住空气，也可使卷材间空鼓；施工时基层应充分干燥，卷材铺设应均匀压实。6.3管根处防水层粘贴不良：清理不洁净、裁剪卷材与根部形状不符、压边不实等造成粘贴不良；施工时清理应彻底干净，注意操作，将卷材压实，不得有张嘴、翘边、折皱等大运河.孔雀城项目防水施工方案总共19页第7页现象。6.4渗漏：转角、管根、变形缝处不易操作而渗漏。施工时附加层应仔细操作；保护好接槎卷材，搭接应满足宽度要求，保证特殊部位的质量。6.5在立面与平面的转角处，卷材的接缝应留在平面上，距立面不应小于600mm。6.6铺贴卷材严禁在雨雪天施工；五级风及其以上时不得施工；热熔法施工不宜低于-10℃。7.质量记录本工艺标准应具备以下质量记录：7.1防水卷材应有产品合格证，现场取样复试合格资料。7.2胶结材料应有出厂合格证、使用配合比资料。7.3隐蔽工程检查验收资料及质量检验评定资料。三、平屋面防水说明：平屋面防水采用3厚自粘性防水卷材（一）自粘防水卷材主要性能及适用原则1、分类