DB4201∕T 651-2021 武汉市排水管道混错接改造技术规程(武汉市)

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1、ICS91.140.80CCSP414201武汉市地方标准DB4201/T651—2021武汉市排水管道混错接改造技术规程CodeoftechnicalregulationforreconstructionofmixedconnectiondrainagepipelineinWuhanCity2021-11-12发布2021-12-13实施武汉市市场监督管理局发布DB4201/T651-2021目次前言.................................................................................II1范围...

2、............................................................................12规范性引用文件.....................................................................13术语和定义.........................................................................14目标、原则和要求................................................

3、...................24.1工作目标.......................................................................24.2工作要求.......................................................................34.3工作环节.......................................................................35资料收集、现场踏勘与混错接判定...................

4、..................................45.1基本要求.......................................................................45.2混错接预判与资料收集...........................................................45.3现场踏勘与管道普查.............................................................45.4混错接区域判定.....................

5、............................................55.5混错接点判定...................................................................65.6混错接流量测定.................................................................75.7混错接水质检测.................................................................75.8混错接程度评估........

6、.........................................................76混错接改造设计.....................................................................96.1基本要求.......................................................................96.2市政排水管道混错接改造设计....................................................106.3小区等地

7、块排水管道混错接改造设计..............................................116.4建筑排水立管混错接改造设计....................................................127混错接改造施工....................................................................137.1基本要求.................................