NFPA 221 防火墙和防火隔墙
日期:2012-02-10 14:20
NFPA 221 Standard for High Challenge Fire Walls, Fire Walls, and Fire Barrier Walls
NFPA 221 防火墙和防火隔墙
1.1 Scope. This standard specifies requirements for the design and construction of high challenge fire walls, fire walls, and fire barrier walls including protection of openings and penetrations.
Minimize fire spread to safeguard lives and property by designing and constructing rated wall assemblies according to the 2012 NFPA 221.
Keep fire from spreading out of control to protect buil
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