IBC R INTERNATIONAL BUILDING CODE? A Member of theInternational Code 2021 ICC CODE COUNCIE NTERNATIONAL
2021 International Building Code* Date of First Publication: October 23 2020 First Printing: October 2020 ISBN: 978-1-60983-955-0 (soft-cover edition) ISBN: 978-1-60983-956-7 (loose-leaf edition) COPYRIGHT @ 2020 by INTERNATIONAL CODE COUNCIL INC. ALL RIGHTS RESERVED. This 2021 Intermational Bailding Code is a copyrighted work owned by the International Code Council Inc. (ICC). Without advance written permission from the ICC no part of this book may be reproduced distributed ox example and not limitation photocopying oe recording by or in an information storage retrieval system). For information on se rights and peisons please contact: ICC Publications 4051 Flosmoor Road Country Club Hill IL 60478. Phone 1888- ICC-SAFE (422-7233). Trademarks: “Intenational Code Council " the “Intermational Code Council" logo “ICC " the “ICC" logo “International Build- ing Code " *IBC" and other names and trademarks appearing in this book are trademarks of the International Code Council Inc. and/or its licensors (as applicable) and may not be used without permission. TTC556T PRINTED IN THE USA
PREFACE Introduction prescriptive and performance-related provisions. It is founded on broad-based principles that make possible the use of new materials and new building designs. This 2021 edition is fully patible with all of the International Codes(I-Codes)published by the International CodeCouncil(ICC) includ- ing the Internotional Energy Conservotion Code* (IECC) international Existing Building Code* (IEBC) Internotlonol Fire Code* (IFC°) Internotional Fuel Gas Code* (IFGC) Intermotionol Green Construction Code (lgCC*) interotional Mechonical Code* (IMC) Internotional Plumbing Code* (IPC) Interna- tional PrivateSewageDisposalCode(IPSDCe)InternationalProperty Maintenance Code(IPMC) Internotionol Residential Code (IRCe) Internationgl Swimming Pool and Spo Code(ISPSC) Interna- tional Wildland-Urban Interface Codea (IWUIC) Internationai Zoning Code (IZC) and Internationol Code Council Performance Codea (ICCPCe). fessionals onaregularbasis.It provides aninternational forumfordiscussionanddelberation about In addition to the codes themselves the code development process brings together building pro- building design construction methods safety performance requirements technological advances and innovative products. The I-Codes including the IBC are used in a variety of ways in both the public and private sectors. munities acrossthe US and in other countries. However the mpact of the codes extends well beyond :Bupnpu suas Aoenauou joaeAe upasn ae Aau seeuaue Aoenaa Voluntary plliance programs such as those promoting sustainability energy efficiency and disaster resistance. The insurance industry to estimate and manage risk and as a tool in underwriting and rate decisions. * Certification and credentialing of individuals involved in the fields of building design construc- tion and safety. * Certification of building and construction-related products. US federal agencies to guide construction in an array of government-owned properties. Facilities management. * “Best practices" benchmarks for designers and builders including those who are engaged in projects in jurisdictions that do not have a formal regulatory system or a governmental enforcement mechanism. College university and professional school textbooks and curricula. Reference works related to building design and construction. fessionals on a regular basis. It provides an international forum for discussion and deliberation about and innovative products. Development new edition such as this is promulgated every 3 years. fare; that do not unnecessarily increase construction costs; that do not restrict the use of new materi- This code is intended to establish provisions that adlequately protect public health safety and wel- als products or methods of construction; and that do not give preferential treatment to particular types or classes of materials products or methods of construction. 2021 INTERNATIONAL BUILDING CODEa
Maintenance The IBC is kept up to date through the review of proposed changes submitted by code enforcement officials industry representatives design professionals and other interested parties.Proposed changes are carefully considered through an open code development process in which all interested The ICC Code Development Process reflects principles of openness transparency balance due pro- cess and consensus the principles embodied in OMB Circular A-119 which governs the federal govern- ment's use of private-sector standards. The ICC process is open to anyone; there is no cost to participate and people can participate without travel cost through the ICC's cloud-based app cdpAccess*. A broad updated regularly include safeguards that allow for emergency action when required for health and safety reasons. the process the ICC has developed partnerships with key industry segments that support the ICC's the following industry partners and approved by the ICC Board: American Institute of Architects (AIA) National Association of Home Builders (NAHB) National Association of State Fire Marshals (NASFM) The code development mittees evaluate and make remendations regarding proposed changes to the codes. Their remendations are then subject to public ment and council-wide votes. The ICC's governmental members-public safety officials who have no financial or business interest in the oute-cast the final votes on proposed changes. The contents of this work are subject to change through the code development cycles and by any ment process contact the Codes and Standards Development Department of the ICC. While the I-Code development procedure is thorough and prehensive the ICC its members -gnd au woy unsa Aqei ue wesip sapo ay o uadanap au u ugeded asou pue cation or use of the I-Codes or from pliance or nonpliance with their provisions. The ICC does not have the power or authority to police or enforce pliance with the contents of this code. IBCPrimaryCodeDevelopmentCommittees In each code development cycle code change proposals to this code are considered at the Committee mary responsibility for designated chapters and appendices as shown in the following table: IBCCODECOMMITTEES IBC-Egress Code Development Committee [BE]: Chapters 10 11 Appendix E IBC-Fire Safety Code Development Committee [BF]: |Chapters 7 8 9 14 26 IBC-General Code Development Committee [BG]: Chapters 2 3 4 5 6 12 27 28 29 30 31 32 33 Appendices A B C D K N O IBC-Structural Code Development Committee [BS]: 24 25 Appendices F G H 1 J L M Chapters 15 16 17 18 19 20 21 22 23 2021 INTERNATIONAL BUILDING CODE
CodeDevelopmentCommitteeResponsibilities (LetterDesignationsinFrontofSectionNumbers) As mentioned in the preceding material in each code development cycle code change proposals to this code are considered at the Committee Action Hearings by 11 diferent code development mit- tees. Code change proposals to sections of the code that are preceded by a bracketed letter designation such as [A] will be considered by a mittee other than the building code mittee listed for the chapter or appendlx on the preceding page. For example proposed code changes to Section [F] 307.1.1 will be considered by the International Fire Code Development Committee during the Commit- tee Action Hearing in the 2021 (Group A) code development cycle. The bracketed letter designations for mittees responsible for portions of this code are as fol- lowS: [A] = Administrative Code Development Committe [BE] = IBC-Egress Code Development Committee [BF] = IBC-Fire Safety Code Development Committee [BG] = IBC-General Code Development Committee [BS] = IBC-Structural Code Development Committee [E]=International Commercial Energy Conservation Code Development Committee or International Residential Energy Conservation Code Development Committee [EB] = International Existing Building Code Development Committee [F] = International Fire Code Development Committee [FG] = International Fuel Gas Code Development Committee [M] = International Mechanical Code Development Committe [P] = International Plumbing Code Development Committee For the development of the 2024 edition of the I-Codes there willbe two groups of code develop- ment mittees and they will meet in separate years as shown in the following Code Development Hearings Table. willbeheardbytherespective mitteeresponsible forsuchcodesections.Because different Code change proposals submitted for code sections that have a letter designation in front of them mittees holdCommitee ActionHearings in different yearsproposals fortheICwillbeheard by mittees in both the 2021 (Group A) and the 2022 (Group B) code development cycles. For instance every section of Chapter 16 is the responsibility of the IBC-Structural Code Develop- ment Committee.As noted in the preceding table that mittee will hold its Commitee Action Hearings in 2022to consider code change proposals forthechaptersfor whichit sresponsible.There fore any proposals received for Chapter 16 of this code will be assigned to the IBCStructural Code Developmenit Committee and will be considered in 2022 during the Group B code change cycle. It is very important that anyone submitting code change proposals understands which code devel- proposal. For further information on the Code Development Committee responsibilities please visit the ICC website at .iccsafe.org/current-code-development-cycle. 2021INTERNATIONAL BUILDING CODEa
IBC国际建筑标准 2021 International Building Code 2021.pdf
