1、 Errata NFPA 15 Standard for Water Spray Fixed Systems for Fire Protection 2017 Edition Reference: Various Errata No: 15-17-1 The Technical Committee on Water Spray Fixed Systems notes the following errors in the 2017 edition of NFPA 15, Standard for Water Spray Fixed Systems for Fire Protection. 1.
2、 Add new subsection 6.3.2.2.4 which was inadvertently omitted, and renumber subsequent sections, Annex material to read as follows: 6.3.2.2.4 Where pipe stands are used to support straight runs of piping or other configurations that are not looped or are not rigidly supported at the top of the pipe
3、stand in a manner that will resist movement in all directions, the pipe stands shall be designed in accordance with the requirements of NFPA 13. 6.3.2.2.45* Distance between pipe stands exceeding those in Table 6.3.2.2.45 shall be permitted where a 45-degree diagonal is attached between the pipe sta
4、nd and the loop piping. (See Figure A.6.3.2.2.45.) For piping of other than Schedule 40, pipe stand shall be spaced in accordance with the hanger references of NFPA 13. 6.3.2.2.56 Pipe stands shall be constructed 6.3.2.2.67* Pipe stands shall be anchored 6.3.2.2.78* Piping shall be attached A.6.3.2.
5、2.45 See Figure A.6.3.2.2.45. A.6.3.2.2.67 See Figure A.6.3.2.2.67. A.6.3.2.2.78 See Figure A.6.3.2.2.78(a) through Figure A.6.3.2.2.78(d). 2. Update corresponding Table number and Figure captions to read as follows: Table 6.3.2.2.45 FIGURE A.6.3.2.2.45 FIGURE A.6.3.2.2.67 FIGURE A.6.3.2.2.78(a) FIG
6、URE A.6.3.2.2.78(b) FIGURE A.6.3.2.2.78(c) FIGURE A.6.3.2.2.78(d) Issue Date: March 13, 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
