NFPA 92H-2012 Standard for Smoke Control Systems.pdf
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1、NFPA92Standard for Smoke Control Systems Handbook 201292NFPA, 1 Batterymarch Park, Quincy, MA 02169-7471, USAAn International Codes and Standards OrganizationNFPA, 1 Batterymarch Park, Quincy, MA 02169-7471An International Codes and Standards OrganizationNFPA92 Standard forAnnotated by Tracy Vecchia
2、relliSmoke Control SystemsHandbook 2012Copyright 2013National Fire Protection AssociationOne Batterymarch Park Quincy, Massachusetts 02169-7471 All rights reserved. About this Handbook EditionThis PDF contains the complete 2012 edition of NFPA 92, Standard for Smoke Control Systems, an-notated to as
3、sist the readers understanding of the standards language and the intent behind it. The annotations are not part of the NFPA Standard but provide a valuable commentary reflect-ing the views, explanations, and insights of authors and contributors selected by the NFPA based on their knowledge of and ex
4、perience with the standard.How to Navigate Between the Text of the Standard and the AnnotationsNavigate between code or standard text and annotations by using hyperlinked icons and code numbers.While in code or standard text, click on hyperlinked icon* to the left of the standard sec-tion to navigat
5、e to corresponding annotations. Click on the hyperlinked annotative standard section number 1.1 to return to previous standard section.*Please note, only the sections featuring icons contain annotations.For longer blocks of annotations, it is recommended that you enable the back arrow functional-ity
6、 in Acrobats page navigation menu, which will also allow you to return to the previous stan-dard section.How to Ensure You Have the Most Up-to-Date Version of the NFPA StandardThe NFPA Standard, in the edition contained herein, is current as of the effective date des-ignated at the time the standard
7、 was issued 2012. This Handbook Edition does not, however, include errata, tentative interim amendments (TIAs), or formal interpretations (FIs) that may have been issued after the effective date. For all errata, TIAs, or FIs that may have been issued since the effective date, or for any new editions
8、 that may have superseded this edition, please visit the “Document Information pages” link for the relevant NFPA Standard located in the “Codes email: stds_adminnfpa.org. For more information about NFPA, visit the NFPA website at www.nfpa.org.IMPORTANT NOTICES AND DISCLAIMERS CONCERNING THE HANDBOOK
9、 EDITIONNotice and Disclaimer Concerning LiabilityNotice Concerning Interpretations Contained in the AnnotationsISBN: 978-1455906833Publication of this (ANDBOOKEdition is for the purpose of circulating information and opinion among those concerned for fire and electrical safety and related subjects.
10、 While every effort has been made to achieve a work of high quality, neither the NFPAnor the contributors to this (ANDBOOKEdition guarantee the accuracy or completeness of or assume any liability in connec-tion with the information and opinions contained in this (ANDBOOK%dition. The NFPA and thecont
11、ributors shall in no event be liable for any personal injury, property, or other damages of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, or reliance upon this (ANDBOOK EditioNThis (ANDBOOK Edition is
12、published with the understanding that the NFPA and the contribu-tors to this (ANDBOOK Edition are supplying information and opinion but are not attempting torender engineering or other professional services. If such services are required, the assistance of an appropriate professional should be sough
13、t.NFPA codes, standards, recommended practices, and guides (“NFPA Documents”), includ-ing the NFPA Document that is the subject of this (ANDBOOKEdition, are made available for usesubject to Important Notices and Disclaimers Concerning NFPA Documents, which are sepa-rately bookmarked and viewable in
14、this (ANDBOOKEdition, and which can also be viewed at www.nfpa.org/disclaimers.NFPA codes, standards, recommended practices, and guides (“NFPA Documents”), including the NFPA Document that is the subject of this (ANDBOOKEdition are developed in accordancewith the published procedures of the NFPA by
15、technical committees comprised of volunteers drawn from a broad array of relevant interests. In this (ANDBOOKEdition the text of the NFPADocument is accompanied with annotations providing explanation and commentary on the meaning and intent of the Document. The annotations contained in this (ANDBOOK
16、 Edition are not a part of the NFPA Document and do not constitute Formal Interpretations of the NFPA (which can be obtained only through requests processed by the responsible technical committees in accordance with the published procedures of the NFPA). The annotations, therefore, solely reflect th
17、e personal opinions of the author or other contributors and do not necessarily represent the official position of the NFPA or its technical committees.Copyright 2011 National Fire Protection Association. All Rights Reserved.NFPA92Standard forSmoke Control Systems2012 EditionThis edition of NFPA 92,
18、Standard for Smoke Control Systems, was prepared by the TechnicalCommittee on Smoke Management Systems. It was issued by the Standards Council on May 31,2011, with an effective date of June 20, 2011.This edition of NFPA 92 was approved as an American National Standard on June 20, 2011.Origin and Dev
19、elopment of NFPA 92The NFPA Standards Council established the Technical Committee on Smoke Manage-ment Systems in 1985 and charged it with addressing the need for guidelines and materials onsmoke management in buildings. The Committees first document, NFPA 92A, RecommendedPractice for Smoke-Control
20、Systems, was published in 1988 and addressed smoke control utilizingbarriers, airflows, and pressure differentials so as to confine the smoke of a fire to the zone offire origin to maintain a tenable environment in other zones. The complex problem of main-taining tenable conditions within large zone
21、s of fire origin such as atria and shopping mallsrepresented a more difficult issue in terms of the physics involved and thus was reserved foranother document, NFPA 92B, Guide for Smoke Management Systems in Malls, Atria, and LargeAreas, first published in 1991.Between 1991 and 2009, NFPA 92A and NF
22、PA 92B were separately maintained. In 2006,NFPA 92A was rewritten as a standard with mandatory provisions regarding design, installa-tion, and testing of smoke-control systems and was renamed Smoke-Control Systems UtilizingBarriers and Pressure Differences. In 2005 and 2006, both documents were reor
23、ganized to complywith the Manual of Style for NFPA Technical Committee Documents. Both documents eventuallycontained many of the same requirements for design objectives, activation, and installation.In the Annual 2011 revision cycle, NFPA 92A and NFPA 92B were withdrawn and replacedwith a new docume
24、nt, NFPA 92, Standard for Smoke Control Systems. NFPA 92 was created usingrequirements from both of the original documents, removing duplicate provisions and mak-ing numerous editorial changes. The new document uses the term smoke control systems toaddress both containment and management systems.Wit
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