NFPA 220 建筑物分类标准
日期:2012-02-10 14:18
to reflect current construction descriptions and technologies, the 2012 NFPA 220 includes new extracted language from NFPA 90A Standard for Installation of Air Conditioning and Ventilating Systems on ceiling cavity plenums and new definitions of 'limited-combustible material' and 'non-combustible material'.
Architects, engineers, authorities having jurisdiction (AHJs), and anyone responsible for making construction classifications needs the 2012 edition to maximize fire protection and safeguard
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08/29 14:47