DB11 T147-2015检查井盖结构、安全技术规范_6956

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1、ICS91.140.80备案号:47594-2015DB11P42北京市地方标准DB11/T147—2015代替DB11/147-2002DB11/T452-2007检查井盖结构、安全技术规范Technicalspecificationsofstructureandsafetyformanholecover2015-09-23发布2016-01-01实施北京市质量技术监督局发布DB11/T147—2015目次前言.............................................................

2、...................III1范围...............................................................................12规范性引用文件.....................................................................13术语和定义.........................................................................14分类...

3、............................................................................34.1按承载能力分类.................................................................34.2按适用范围分类.................................................................44.3按规格尺寸分类..............................

4、...................................45结构...............................................................................55.1井盖...........................................................................55.2井座................................................................

5、...........75.3几何尺寸.......................................................................75.4其他要求......................................................................116安全..............................................................................116.1防盗...........

6、...............................................................116.2防坠落........................................................................116.3承载能力......................................................................126.4残留变形......................................

7、................................126.5雨水井盖防反涌................................................................126.6防滑纹及标志..................................................................126.7安全性能......................................................................136.8

8、适用区域......................................................................136.9开启点标志.................................