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| DB11/T 637-2009 Safety appraisal standard of building structure (English Version) |
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Detail of DB11/T 637-2009
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Introduction of DB11/T 637-2009
本标准适用于北京市既有房屋结构的安全性鉴定。下列情况的房屋宜进行安全性鉴定：周边邻近地质条件改变的房屋；改变用途或使用条件的房屋；需改造和扩建的房屋；超过设计使用年限需要继续使用的房屋；其它需要安全鉴定的房屋。
Contents of DB11/T 637-2009