浙江衢州建工---优秀qc小组成果报告.ppt

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 克服屋面节点、细部渗水，提高屋面防水质量 项目部名称：衢州市人民医院分院一期工程项目部 　　 QC小组类型：现场型 浙江衢州建工集团有限责任公司 二ＯＯ六年八月二日 目 录 一、工程概况······································································································1 二、小组概况······································································································1 三、课题研究······································································································4 四、现状调查和分析·····························································································5 五、设定目标······································································································8 六、原因分析····································································································· 9 七、要因确认·····································································································10 八、制定对策·····································································································11 九、对策实施·····································································································12 十、检查效果·····································································································20 十一、巩固措施··································································································20 十二、反思与体会·······························································································20 十三、总结与今后打算·························································································21 克服屋面节点、细部渗水，提高屋面防水质量 一、工程概况 衢州市人民医院分院一期工程是我市重点工程，国债项目，也是衢州市政府重点为民办实事工程，总建筑面积19000多平米，病房楼一、二为三层框架结构，建筑面积11801㎡，建筑总高度为16.49m；后勤楼建筑面积5936㎡，为地上三层（地下一层）框架结构，建筑总高度15.55m。 该工程屋面防水设计等级为Ⅲ级。 坡屋面做法：钢钉固定英红瓦，用1：2.5水泥砂浆现粉30*30挂瓦条（每米留一公分流水口），水泥钉固定，20厚1：2防水砂浆找平层（内加3～5%防水剂），40厚C20细石混凝土（内配Φ4b钢筋＠150双向），40厚挤塑聚苯板保温层；钢筋混凝土现浇板。 平屋面做法：40厚C20细石混凝土（内配Φ4b钢筋＠150双向）压光抹平；20厚1：2.5水泥砂浆找平层；40厚挤塑聚苯板保温层；1.2高分子防水卷材防水层；20厚1：2.5水泥砂浆找平层；1：8水泥陶粒找2%坡（最簿处30厚