DB4102∕T 024-2021 海绵城市建设设施设计指南(开封市)

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1、ICS93.010CCSP04DB4102土斗土，开市地方标准DB4102/T024一2021海绵城市建设设施设计指南八nV八月1艺艺一一.一07一02发布20210801实施开封市市场监督管理局发布DB4102/T024一2021目次前言．....................................................................................................................................

2、...................．⋯⋯H1范围．...........................................................................................................................................................．⋯⋯12规范性引用文件．..........................................................

3、.............................................................................．⋯⋯13术语和定义．...............................................................................................................................................．⋯⋯14编制内容．............

4、.......................................................................................................................................．⋯⋯2一4.1般规定．..........................................................................................................

5、............................．⋯⋯24.2海绵城市建设分类．......................................................................................................................．⋯⋯24.3海绵城市雨水系统．...........................................................................

6、...........................................．⋯⋯25海绵设施设计．...........................................................................................................................................．⋯⋯35．.....................................................

7、.................................................................．⋯⋯3.1单项海绵设施选用5.2建筑与小区（绿色屋顶）...........................................................................................................．⋯⋯45................................................

8、..........................................．⋯⋯.3建筑与小区（屋面雨水断接技术）55．......................................................................................................................................．⋯⋯5.4城市道路5．..................