NFPA 101B-2002 Code for Means of Egress for Buildings and Structures (Effective Date 8 8 2002).pdf

《NFPA 101B-2002 Code for Means of Egress for Buildings and Structures (Effective Date 8 8 2002).pdf》由会员分享，可在线阅读，更多相关《NFPA 101B-2002 Code for Means of Egress for Buildings and Structures (Effective Date 8 8 2002).pdf（106页珍藏版）》请在麦多课文档分享上搜索。

1、 NFPA 101B Code for Means of Egress for Buildings and Structures 2002 Edition NFPA, 1 Batterymarch Park, PO Box 9101, Quincy, MA 02269-9101 An International Codes and Standards Organization NFPA License Agreement This document is copyrighted by the National Fire Protection Association (NFPA), 1 Batt

2、erymarch Park, Quincy, MA 02269-9101 USA. All rights reserved. NFPA grants you a license as follows: The right to download an electronic file of this NFPA document for temporary storage on one computer for purposes of viewing and/or printing one copy of the NFPA document for individual use. Neither

3、the electronic file nor the hard copy print may be reproduced in any way. In addition, the electronic file may not be distributed elsewhere over computer networks or otherwise. The hard copy print may only be used personally or distributed to other employees for their internal use within your organi

4、zation. Copyright National Fire Protection Association, Inc.One Batterymarch ParkQuincy, Massachusetts 02269IMPORTANT NOTICE ABOUT THIS DOCUMENTNFPA codes, standards, recommended practices, and guides, of which the document contained herein is one, aredeveloped through a consensus standards developm

5、ent process approved by the American National Standards Institute.This process brings together volunteers representing varied viewpoints and interests to achieve consensus on fire and othersafety issues. While the NFPA administers the process and establishes rules to promote fairness in the developm

6、ent ofconsensus, it does not independently test, evaluate, or verify the accuracy of any information or the soundness of anyjudgments contained in its codes and standards.The NFPA disclaims liability for any personal injury, property or other damages of any nature whatsoever, whetherspecial, indirec

7、t, consequential or compensatory, directly or indirectly resulting from the publication, use of, or relianceon this document. The NFPA also makes no guaranty or warranty as to the accuracy or completeness of any informationpublished herein.In issuing and making this document available, the NFPA is n

8、ot undertaking to render professional or other services foror on behalf of any person or entity. Nor is the NFPA undertaking to perform any duty owed by any person or entity tosomeone else. Anyone using this document should rely on his or her own independent judgment or, as appropriate, seekthe advi

9、ce of a competent professional in determining the exercise of reasonable care in any given circumstances.The NFPA has no power, nor does it undertake, to police or enforce compliance with the contents of this document.Nor does the NFPA list, certify, test or inspect products, designs, or installatio

10、ns for compliance with this document. Anycertification or other statement of compliance with the requirements of this document shall not be attributable to theNFPA and is solely the responsibility of the certifier or maker of the statement.NOTICESAll questions or other communications relating to thi

11、s document and all requests for information on NFPA proceduresgoverning its codes and standards development process, including information on the procedures for requesting FormalInterpretations, for proposing Tentative Interim Amendments, and for proposing revisions to NFPA documents duringregular r

12、evision cycles, should be sent to NFPA headquarters, addressed to the attention of the Secretary, StandardsCouncil, National Fire Protection Association, 1 Batterymarch Park, P.O. Box 9101, Quincy, MA 02269-9101.Users of this document should be aware that this document may be amended from time to ti

13、me through the issuance ofTentative Interim Amendments, and that an official NFPA document at any point in time consists of the current edition ofthe document together with any Tentative Interim Amendments then in effect. In order to determine whether thisdocument is the current edition and whether

14、it has been amended through the issuance of Tentative InterimAmendments, consult appropriate NFPA publications such as the National Fire CodesSubscription Service, visit the NFPAwebsite at www.nfpa.org, or contact the NFPA at the address listed above.A statement, written or oral, that is not process

15、ed in accordance with Section 5 of the Regulations Governing CommitteeProjects shall not be considered the official position of NFPA or any of its Committees and shall not be considered to be,nor be relied upon as, a Formal Interpretation.The NFPA does not take any position with respect to the valid

16、ity of any patent rights asserted in connection with anyitems which are mentioned in or are the subject of this document, and the NFPA disclaims liability for the infringement ofany patent resulting from the use of or reliance on this document. Users of this document are expressly advised thatdeterm

17、ination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their ownresponsibility.Users of this document should consult applicable federal, state, and local laws and regulations. NFPA does not, by thepublication of this document, intend to urge actio

18、n that is not in compliance with applicable laws, and this document maynot be construed as doing so.Licensing PolicyThis document is copyrighted by the National Fire Protection Association (NFPA). By making this document availablefor use and adoption by public authorities and others, the NFPA does n

19、ot waive any rights in copyright to this document.1. Adoption by ReferencePublic authorities and others are urged to reference this document in laws, ordinances,regulations, administrative orders, or similar instruments. Any deletions, additions, and changes desired by the adoptingauthority must be

20、noted separately. Those using this method are requested to notify the NFPA (Attention: Secretary,Standards Council) in writing of such use. The term “adoption by reference“ means the citing of title and publishinginformation only.2. Adoption by TranscriptionA. Public authorities with lawmaking or ru

21、le-making powers only, upon written notice tothe NFPA (Attention: Secretary, Standards Council), will be granted a royalty-free license to print and republish thisdocument in whole or in part, with changes and additions, if any, noted separately, in laws, ordinances, regulations,administrative order

22、s, or similar instruments having the force of law, provided that: (1) due notice of NFPAs copyright iscontained in each law and in each copy thereof; and (2) that such printing and republication is limited to numberssufficient to satisfy the jurisdictions lawmaking or rule-making process. B. Once th

23、is NFPA Code or Standard has beenadopted into law, all printings of this document by public authorities with lawmaking or rule-making powers or any otherpersons desiring to reproduce this document or its contents as adopted by the jurisdiction in whole or in part, in any form,upon written request to

24、 NFPA (Attention: Secretary, Standards Council), will be granted a nonexclusive license to print,republish, and vend this document in whole or in part, with changes and additions, if any, noted separately, provided thatdue notice of NFPAs copyright is contained in each copy. Such license shall be gr

25、anted only upon agreement to pay NFPAa royalty. This royalty is required to provide funds for the research and development necessary to continue the work ofNFPA and its volunteers in continually updating and revising NFPA standards. Under certain circumstances, publicauthorities with lawmaking or ru

26、le-making powers may apply for and may receive a special royalty where the public interestwill be served thereby.3. Scope of License GrantThe terms and conditions set forth above do not extend to the index of this document.(For further explanation, see the Policy Concerning the Adoption, Printing, a

27、nd Publication of NFPA Documents,which is available upon request from the NFPA.)Copyright 2002, National Fire Protection Association, All Rights ReservedNFPA 101BCode forMeans of Egress for Buildings and Structures2002 EditionThis edition of NFPA 101B, Code for Means of Egress for Buildings and Stru

28、ctures, was preparedby the Technical Committee on Means of Egress, released by the Technical Correlating Com-mittee on Safety to Life, and acted on by NFPA at its May Association Technical Meeting heldMay 1923, 2002, in Minneapolis, MN. It was issued by the Standards Council on July 19, 2002,with an

29、 effective date of August 8, 2002, and supersedes all previous editions.This edition of NFPA 101B was approved as an American National Standard on July 19,2002.Origin and Development of NFPA 101BNFPA 101B, first published in 1999, was developed to address a subset of the subject areascovered by NFPA

30、 101, Life Safety Code namely, means of egress. NFPA offers NFPA 101B asa model reference for mandatory use by the model building codes in lieu of those codesindividual chapters on means of egress. See A.1.3 in Annex A.This 2002 edition reflects the requirements of the 2000 edition of NFPA 101.101B1

31、Technical Correlating Committee on Safety to LifeJames R. Quiter, ChairArup Fire, CA SERon Cot, Nonvoting SecretaryNational Fire Protection Association, MAAlastair J. M. Aikman, National Research Council ofCanada, ON RTJohn L. Bryan, MD SERichard W. Bukowski, National Institute of Standardsand Techn

32、ology, MD RTRep. National Fire Alarm Code CommitteeKenneth E. Bush, Maryland State Fire Marshals Office,MD ERep. International Fire Marshals AssociationLee J. Dosedlo, Underwriters Laboratories Inc., IL RTGene B. Endthoff, National Fire Sprinkler Association,IL MJackie T. Gibbs, Marietta Fire Depart

33、ment, GA URep. International Association of Fire ChiefsJ. Edmund Kalie, Jr., Prince Georges CountyGovernment, MD ERonald K. Mengel, System Sensor, IL MRep. National Electrical Manufacturers AssociationJake Pauls, Jake Pauls Consulting Services in BuildingUse words used in themasculine gender shall i

34、nclude the feminine and neuter; thesingular number shall include the plural and the plural shallinclude the singular. Where terms are not defined in thischapter, they shall be defined using their commonly acceptedmeanings within the context in which they are used. WebstersThird New International Dic

35、tionary of the English Language, Un-abridged, shall be a source for commonly accepted meaning.3.2 NFPA Official Definitions.3.2.1* Approved. Acceptable to the authority having juris-diction.3.2.2* Authority Having Jurisdiction (AHJ). The organiza-tion, office, or individual responsible for approving

36、 equip-ment, materials, an installation, or a procedure.3.2.3* Code. A standard that is an extensive compilation ofprovisions covering broad subject matter or that is suitable foradoption into law independently of other codes and standards.3.2.4 Labeled. Equipment or materials to which has beenattac

37、hed a label, symbol, or other identifying mark of an orga-nization that is acceptable to the authority having jurisdictionand concerned with product evaluation, that maintains peri-odic inspection of production of labeled equipment or mate-rials, and by whose labeling the manufacturer indicates com-

38、pliance with appropriate standards or performance in aspecified manner.3.2.5* Listed. Equipment, materials, or services included in alist published by an organization that is acceptable to the au-thority having jurisdiction and concerned with evaluation ofproducts or services, that maintains periodi

39、c inspection ofproduction of listed equipment or materials or periodic evalu-ation of services, and whose listing states that either the equip-ment, material, or service meets appropriate designated stan-dards or has been tested and found suitable for a specifiedpurpose.3.2.6 Shall. Indicates a mand

40、atory requirement.3.2.7 Should. Indicates a recommendation or that which isadvised but not required.3.3 General Definitions.3.3.1 Accessible Means of Egress. See 3.3.69.1.3.3.2* Aisle Accessway. That initial portion of an exit accessthat leads to an aisle.3.3.3 Ambulatory Health Care Facility. See 3

41、.3.74.1.3.3.4 Anchor Store. A department store or major merchan-dising center that has direct access to the covered mall but inwhich all required means of egress is independent of the cov-ered mall.3.3.5 Area.3.3.5.1 Floor Area.3.3.5.1.1 Gross Leasable Area. The total floor area desig-nated for tena

42、nt occupancy and exclusive use, expressed insquare meters (square feet), measured from the centerlines ofadjoining partitions and exteriors of outside walls.3.3.5.1.2 Hazardous Area. An area of a structure or buildingthat poses a degree of hazard greater than that normal to thegeneral occupancy of t

43、he building or structure, such as those101B6 MEANS OF EGRESS FOR BUILDINGS AND STRUCTURES2002 Editionareas used for the storage or use of combustibles or flam-mables; toxic, noxious, or corrosive materials; or heat-producing appliances.3.3.5.1.3 Living Area. Any normally occupiable space in aresiden

44、tial occupancy, other than sleeping rooms or roomsthat are intended for combination sleeping/living, bath-rooms, toilet compartments, kitchens, closets, halls, storage orutility spaces, and similar areas.3.3.6* Area of Refuge. An area that is either (1) a story in abuilding where the building is pro

45、tected throughout by anapproved, supervised automatic sprinkler system and has notless than two accessible rooms or spaces separated from eachother by smoke-resisting partitions; or (2) a space located in apath of travel leading to a public way that is protected from theeffects of fire, either by me

46、ans of separation from other spacesin the same building or by virtue of location, thereby permit-ting a delay in egress travel from any level.3.3.7 Atmosphere.3.3.7.1 Common Atmosphere. The atmosphere that existsbetween rooms, spaces, or areas within a building that are notseparated by an approved s

47、moke barrier.3.3.7.2 Separate Atmosphere. The atmosphere that existsbetween rooms, spaces, or areas that are separated by an ap-proved smoke barrier.3.3.8 Automatic. That which provides a function without thenecessity of human intervention.3.3.9 Barrier.3.3.9.1* Smoke Barrier. A continuous membrane,

48、 or a mem-brane with discontinuities created by protected openings,where such membrane is designed and constructed to restrictthe movement of smoke.3.3.9.2* Thermal Barrier. A material that limits the averagetemperature rise of an unexposed surface to not more than120C (250F) for a specified fire ex

49、posure complying withthe standard time-temperature curve of NFPA 251, StandardMethods of Tests of Fire Endurance of Building Construction andMaterials.3.3.9.3 Fire Barrier (Wall). A wall, other than a fire wall, thathas a fire resistance rating.3.3.10* Birth Center. A facility in which low-risk births areexpected following normal, uncomplicated pregnancies, andin which professional midwifery care is provided to womenduring pregnancy, birth, and postpartum.3.3.11 Bleachers. A grandstand in which the seats are notprovided with backrests.3.3.12* Building.