NFPA 90A 空调和通风系统安装标准
日期:2012-02-09 14:21
updating to the 2012 edition. Major changes include
An important new requirement for fire/smoke dampers into and out of shafts, to help restrict the spread of smoke
New definition for Continued Progressive Combustion
Revisions related to referenced ASTM, Gypsum Association, and UL standards
AHJs, architects, contractors, and mechanical and fire protection engineers all need the latest edition of NFPA 90A to ensure adequate fire protection in today's buildings. (Softbound, 24 pp., 2012)
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11/01 05:41