DB11/T 1835-2021
给水排水管道工程施工技术规程
Technical specification for construction of water supply and drainage pipeline project
2021-07一01实施
2021-04-01发布
前 言
根据原北京市质量技术监督局《2018 年北京市地方标准制修订项目计划》(京质监发【2018】20号)的要求,编制组经过深入调查研究,认真总结实践经验,参考国内相关标准,在广泛征求意见的基础上,制定本规程。
本规程的主要技术内容有;1.总则;2.术语;3.基本规定;4.测量∶5.地下水控制;6. 土方工程;7.运输与吊装;8.给水管道敷设;9.排水管道敷设;10.管渠;11.沉管和桥管施工;12.顶管施工;13.水平定向钻施工;14.夯管施工;15.盾构法施工;16.浅埋暗挖施工;17.非开挖修复;18.附属构筑物;19.季节施工。
目 次
1 总 则 ......................................................................................................................... 1
2 术 语 ......................................................................................................................... 2
3 基本规定 ......................................................................................................................... 3
4 测 量 ......................................................................................................................... 5
4.1 一般规定.............................................................................................................................. 5
4.2 管道中线控制测量.............................................................................................................. 5
4.3 高程控制测量....................................................................................................................10
4.4 施工测量............................................................................................................................11
5.4 监控量测............................................................................................................................12
5 地下水控制....................................................................................................................17
5.1 一般规定............................................................................................................................17
5.2 隔水帷幕............................................................................................................................17
5.3 降排水................................................................................................................................21
5.4 地下水回灌........................................................................................................................24
5.5 地下水监测........................................................................................................................24
6 土方工程 .......................................................................................................................27
6.1 一般规定............................................................................................................................27
6.2 开 槽..............................................................................................................................27
6.3 支 护..............................................................................................................................29
6.4 地基处理............................................................................................................................30
6.5 管道交叉处理....................................................................................................................31
6.6 施工便桥............................................................................................................................31
6.7 沟槽回填............................................................................................................................32
7 运输与吊装....................................................................................................................35
7.1 一般规定............................................................................................................................35
7.2 机械吊装............................................................................................................................36
7.3 人工下管............................................................................................................................36
8 给水管道敷设................................................................................................................38