1、 Tentative Interim Amendment NFPA1221 Standard for the Installation, Maintenance, and Use of Emergency Services Communications Systems 2016 Edition Reference: 9.6.2.1.1.1 and 9.6.2.1.4 TIA 16-2 (SC 17-12-23 / TIA Log #1302) Pursuant to Section 5 of the NFPA Regulations Governing the Development of N
2、FPA Standards, the National Fire Protection Association has issued the following Tentative Interim Amendment to NFPA 1221, Standard for the Installation, Maintenance, and Use of Emergency Services Communications Systems, 2016 edition. The TIA was processed by the Technical Committee on Public Emerge
3、ncy Service Communication, and was issued by the Standards Council on December 6, 2017, with an effective date of December 26, 2017. A Tentative Interim Amendment is tentative because it has not been processed through the entire standards-making procedures. It is interim because it is effective only
4、 between editions of the standard. A TIA automatically becomes a public input of the proponent for the next edition of the standard; as such, it then is subject to all of the procedures of the standards-making process. 1. Revise 9.6.2.1.1.1 to read as follows: 9.6.2.1.1.1 The feeder and riser coaxia
5、l cables shall be rated as plenum cables that match the buildings fire rating and pathway survivability. 72:24.3.13.8.1.1 2. Revise 9.6.2.1.4 to read as follows: 9.6.2.1.4 The connection between the riser and feeder coaxial cables shall be made within an the 2 hour rated enclosure matching the build
6、ings fire rating and pathway survivability, and passage of the feeder cable in and out of the 2 hour rated enclosure shall be fire-stopped to 2-hour rating the buildings fire rating and pathway survivability. 72:24.3.13.8.4 Issue Date: December 6, 2017 Effective Date: December 26, 2017 (Note: For further information on NFPA Codes and Standards, please see www.nfpa.org/docinfo) Copyright 2017 All Rights Reserved NATIONAL FIRE PROTECTION ASSOCIATION
copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1