内容简介
DB13(J) /T 8378-2020备案号∶J15434-2020建筑同层排水工程技术标准
Technical specification for same-floor drainage engineering in buildings
2021-02-01 实施
2020-11-09 发布
前 言
本标准根据河北省住房和城乡建设厅《2019年度省工程建设标准和标准设计第一批制（修）订计划的通知》（冀建质安函〔2019）27号）的要求，由河北建筑设计研究院有限责任公司会同有关单位编制而成。
本标准共分6章和6个附录，主要技术内容包括∶1.总则;2.术语;3.设计;4.施工;5.验收;6.维护。
本标准修编的主要技术内容是∶ 1.增加了非降板同层排水安装方式;2.对同层排水系统管材及接口方式的选择提高了要求;3.对附录中安装示意图进行了调整;4.增加了维护章节;
目 次
1 总则·········································································1
2 术语·········································································2
3 设计·········································································3
3.1 一般规定······························································· 3
3.2 地面敷设方式··························································4
3.3 沿墙敷设方式··························································6
3.4 管道布置和敷设······················································· 8
3.5 水力计算······························································· 9
3.6 管材和接口··························································· 12
4 施工······································································· 14
4.1 一般规定····························································· 14
4.2 施工准备····························································· 14
4.3 管道安装····························································· 16
4.4 隐蔽式支架安装······················································19
5 验收······································································· 20
5.1 一般规定····························································· 20
5.2 验收要求····························································· 20
5.3 工程竣工验收························································ 21
6 维护······································································· 22
附录 A 不降板同层排水管道安装示意图··························· 23
附录 B 降板同层排水管道安装示意图······························ 24
附录 C 沿墙敷设同层排水管道安装及排水管穿楼板示意图···25
附录 D 建筑排水高密度聚乙烯管水力计算表····················· 26