NFPA 17A-2017 Standard for Wet Chemical Extinguishing Systems (Effective Date 12 1 2016).pdf

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1、 NFPA 17A Standard for Wet Chemical Extinguishing Systems 2017IMPORTANT NOTICES AND DISCLAIMERS CONCERNING NFPA STANDARDS NOTICE AND DISCLAIMER OF LIABILITY CONCERNING THE USE OF NFPA STANDARDS NFPA codes, standards, recommended practices, and guides (“NFPA Standards”), of which the document contain

2、ed herein is one, are developed through a consensus standards development process approved by the American National Standards Institute. This process brings together volunteers representing varied viewpoints and interests to achieve consensus on re and other safety issues. While the NFPA administers

3、 the process and establishes rules to promote fairness in the development of consensus, it does not independently test, evaluate, or verify the accuracy of any information or the soundness of any judgments contained in NFPA Standards. The NFPA disclaims liability for any personal injury, property or

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8、 the statement. REMINDER: UPDATING OF NFPA STANDARDS Users of NFPA codes, standards, recommended practices, and guides (“NFPA Standards”) should be aware that NFPA Standards may be amended from time to time through the issuance of Tentative Interim Amendments or corrected by Errata. An ofcial NFPA S

9、tandard at any point in time consists of the current edition of the document together with any Tentative Interim Amendment and any Errata then in effect. In order to determine whether an NFPA Standard has been amended through the issuance of Tentative Interim Amendments or corrected by Errata, visit

10、 the “Codes email: stds_adminnfpa.org. For more information about NFPA, visit the NFPA website at www.nfpa.org. All NFPA codes and standards can be viewed at no cost at www.nfpa.org/docinfo.17A-1 NFPA and National Fire Protection Association are registered trademarks of the National Fire Protection

11、Association, Quincy, Massachusetts 02169. Copyright 2016 National Fire Protection Association . All Rights Reserved. NFPA 17A Standard for Wet Chemical Extinguishing Systems 2017 Edition This edition of NFPA 17A, Standard for Wet Chemical Extinguishing Systems, was prepared by the Technical Committe

12、e on Dry and Wet Chemical Extinguishing Systems. It was issued by the Standards Council on November 11, 2016, with an effective date of December 1, 2016, and supersedes all previous editions. This edition of NFPA 17A was approved as an American National Standard on December 1, 2016. Origin and Devel

13、opment of NFPA 17A On April 6, 1983, the Standards Council received a request to assign the subject of wet chemical extinguishing systems to the appropriate committee. Listed systems had been available for some time. After the Foam Committee declined the request, the Dry Chemical Extinguishing Syste

14、ms Committee, which had been activated in 1952, was asked to assume responsibility for the project. In May 1983, that committee voted to accept the assignment and requested that the Standards Council expand the Committee Scope to include the new topic. The Committee also requested that the new docum

15、ent be identied as NFPA 17A, Standard for Wet Chemical Extinguishing Systems. A subcommittee met in June 1983 to develop the text. In November 1984, the Council approved a request to change the name of the Committee to the Committee on Dry and Wet Chemical Extinguishing Systems. The rst edition of N

16、FPA 17A was in 1986; the 1990 edition was a partial revision of the 1986 edition. The 1994 edition was rewritten to more clearly state the requirements and to separate the mandatory requirements from the nonmandatory recommendations to assist in making the document more usable, enforceable, and adop

17、table. The 1998 edition of the standard was revised to clarify the requirements for protection of unclosable openings and equipment shutdown. The changes to the 2002 edition consisted of an editorial reformatting of the standard to comply with the Manual of Style for NFPA Technical Committee Documen

18、ts. Technical changes included clarication of requirements for fuel and power shutoff upon actuation of the system and rewriting the requirement for simultaneous systems operation. Changes to the 2009 edition claried inspection, maintenance, and service requirements and qualications for service pers

19、onnel. Revisions to the 2013 edition of this standard claried requirements for inspection and maintenance and added new requirements for installation acceptance. For the 2017 edition, redundant language within NFPA 17A and NFPA 96 has been eliminated for correlation purposes. Other sections have bee

20、n deleted for correlation purposes with NFPA 96. New annex material has been added to identify the areas of protection for the discharge nozzles. Changes also have been made requiring the authority having jurisdiction to approve used components in the system. A requirement has been added for a placa

21、rd to be placed near all Class K portable re extinguishers indicating that the re protection system must be activated before a portable re extinguisher is used.WET CHEMICAL EXTINGUISHING SYSTEMS 17A-2 2017 Edition Technical Committee on Dry and Wet Chemical Extinguishing Systems David A. de Vries, C

22、hair Firetech Engineering Inc., IL SE Larry Angle, M. Jacks Fire & Safety, TX IM Rep. National Association of Fire Equipment Distributors Art Black, Carmel Fire Protection Associates, CA E Samuel S. Dannaway, Coffman Engineers/S. S. Dannaway Associates, Inc., HI SE Jack K. Dick, Heiser Logistics, In

23、c., NY M Stephen M. Hill, JENSEN HUGHES, MD SE George Hollingsworth, Fairfax County Fire & Rescue, VA E Bradley T. Howard, Koorsen Fire & Security, OH IM Bill Isemann, Guardian Fire Protection Services LLC, MD IM Edward J. Kaminski, Clark County Fire Prevention Bureau, NV E Thomas H. Kelly, Zurich S

24、ervices Corporation, MI I Doug Kline, Nowak Supply Fire Systems, IN M Rep. Fire Suppression Systems Association William Klingenmaier, Tyco Fire Protection Products, WI M Richard T. Long, Jr., Exponent, Inc., MD SE Michael E. Luna, Intertek Testing Services, TX RT Michael P. McGreal, Firedyne Enginee

25、ring, PC, IL SE Sean J. McLaughlin, DunnWell, LLC, NC IM Stephen M. Micke, Allianz Global Corporate & Specialty, CA I J. R. Nerat, UTC/Badger Fire Protection, MI M Rep. NFPA Industrial Fire Protection Section Christopher S. OShell, Chubb Group of Insurance Companies, AZ I Neal G. Pulvermacher, West

26、Bend Mutual Insurance, WI I Frederick Sanford, Liberty Mutual Insurance Company, MA I Steven A. Sheldon, Fisher Engineering, Inc., AZ SE Blake M. Shugarman, UL LLC, IL RT Raymond A. Stacy, FM Approvals, MA I Rep. FM Global Laurie K. Szumla, All State Fire Equipment of WNY, NY IM William Vegso, Bucke

27、ye Fire Equipment Company, NC M Rep. Fire Equipment Manufacturers Association J. Craig Voelkert, Amerex Corporation, AL M Richard W. Wood, University of Massachusetts-Lowell, MA U Thomas Steven Wright, Wright Fire Consulting, Inc., NC SE Alternates Andrew Blum, Exponent, Inc., GA SE (Alt. to Richard

28、 T. Long, Jr.) Mark T. Conroy, Brooks Equipment Company, MA M (Alt. to Jack K. Dick) Evan T. de Vries, Firetech Engineering Incorporated, IL SE (Alt. to David A. de Vries) Bruce J. Euler, Buckeye Fire Equipment Company, NC M (Alt. to William Vegso) Scott D. Henderson, Allianz, MA I (Alt. to Stephen

29、M. Micke) Kevin Holly, Jr., UL LLC, IL RT (Alt. to Blake M. Shugarman) Jeremy W. John, Fisher Engineering, Inc., GA SE (Alt. to Steven A. Sheldon) Guy L. Jones, Jr., Amerex Corporation, AL M (Alt. to J. Craig Voelkert) Kurt M. Juliano, All State Fire Equipment, NY IM (Alt. to Laurie K. Szumla) Rober

30、t Kasiski, FM Global, MA I (Alt. to Raymond A. Stacy) Sheryl Lemire, Tyco Fire Protection Products, WI M (Alt. to William Klingenmaier) Richard L. Lupien, Kidde-Fenwal, Inc., MA M (Alt. to J. R. Nerat) Norbert W. Makowka, National Association of Fire Equipment Distributors, IL IM (Alt. to Larry Angl

31、e) Grant William May, Clark County Fire Prevention Bureau, NV E (Alt. to Edward J. Kaminski) Timothy McGreal, McGreal Forensic Engineers, IL SE (Alt. to Michael P. McGreal) Erik G. Olsen, Chubb Group of Insurance Companies, NJ I (Alt. to Christopher S. OShell) Scott M. Plumer, Liberty Mutual, MD I (

32、Alt. to Frederick Sanford) Dale Underwood, Koorsen Fire & Security, OH IM (Alt. to Bradley T. Howard) Christopher Zeitler, West Bend Mutual Insurance, WI I (Alt. to Neal G. Pulvermacher) Edward D. Leedy, Naperville, IL (Member Emeritus) Jacqueline Wilmot, NFPA Staff Liaison This list represents the

33、membership at the time the Committee was balloted on the nal text of this edition. Since that time, changes in the membership may have occurred. A key to classications is found at the back of the document. NOTE: Membership on a committee shall not in and of itself constitute an endorsement of the Association or any document developed by the committee on which the member serves. Committee Scope: This Committee shall have primary responsibility for documents on the design, installation, operation, testing, maintenance, and use of dry and wet chemical extinguishing systems for re protection.