1、 Errata NFPA 664 Standard for the Prevention of Fires and Explosions in Wood Processing and Woodworking Facilities2017 Edition Reference: 8.2.2.7.4.1(2) Errata No: 664-17-1 The Technical Committee on Wood and Cellulosic Materials Process and the Correlating Committee on Combustible Dusts notes the f
2、ollowing error in the 2017 edition of NFPA 664, Standard for the Prevention of Fires and Explosions in Wood Processing and Woodworking Facilities. 1. Correct the cross reference in paragraph 8.2.2.7.4.1(2) to read as follows: 8.2.2.7.4.1* For dust collection systems of capacity less than or equal to
3、 2.4 m3/sec (5000 cfm), one of the following shall apply: (1) The system shall be equipped with listed spark detection, designed and installed in conformance with the relevant sections of NFPA 72 located on the duct upstream from the dust collector and downstream from the last material entry point,
4、connected directly to a listed spark extinguishing system, designed and installed in conformance with NFPA 15 or (2) The system shall be protected in accordance with 8.2.2.6.1.6(7) 8.2.2.7.4.2. Issue Date: September 22, 2017 (Note: Electronic products and pamphlet reprints may have this errata incorporated. For current information about the NFPA Codes and Standards, including this errata, please see www.nfpa.org/docinfo) Copyright 2017 All Rights Reserved NATIONAL FIRE PROTECTION ASSOCIATION
