ICC I-CODE OBC-2011 I-Codes OBC - Ohio Building Code.pdf

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1、 OhioBuilding Code20112011 OH Building titlepage.indd 1 9/22/2011 8:05:59 AM2011 Ohio Building CodeFirst Printing: October 2011ISBN-978-1-60983-200-1COPYRIGHT 2011byINTERNATIONAL CODE COUNCIL, INC.ALL RIGHTS RESERVED. This 2011 Ohio Building Code contains substantial copyrighted material from the 20

2、09 InternationalBuilding Code, which is a copyrighted work owned by the International Code Council, Inc. Without advance written permissionfrom the copyright owner, no part of this book may be reproduced, distributed or transmitted in any form or by any means, including,without limitation, electroni

3、c, optical or mechanical means (by way of example and not limitation, photocopying or recording by orin an information storage retrieval system). For information on permission to copy material exceeding fair use, please contact: Pub-lications, 4051 West Flossmoor Road, Country Club Hills, IL 60478.

4、Phone 1-888-ICC-SAFE (422-7233).Trademarks: “International Code Council,” the “International Code Council” logo and the “International Building Code” are trade-marks of the International Code Council, Inc.Cover Design Credits: The publishers would like to acknowledge the assistance of the Capitol Sq

5、uare Review and Advisory Boardand Schooley Caldwell Associates in collecting information on the sesquicentennial of the Ohio Statehouse that made the develop-ment of the covers for this code edition possible.PRINTED IN THE U.S.A.1M:dataCODESSTATE CODESOhio2011BldgFinal VP0a_copy_Ohio_Bldg_2011.vpFri

6、day, September 30, 2011 9:20:28 AMColor profile: Generic CMYK printer profileComposite Default screenPREFACEIntroductionOhio code users please note that the 2011 Ohio Building Code is based on the 2009 International Building Code (IBC). Internation-ally, code officials recognize the need for a moder

7、n, up-to-date building code addressing the design and installation of building sys-tems through requirements emphasizing performance. The International Building Code, in this 2009 edition, is designed to meetthese needs through model code regulations that safeguard the public health and safety in al

8、l communities, large and small.This comprehensive building code establishes minimum regulations for building systems using prescriptive and perfor-mance-related provisions. It is founded on broad-based principles that make possible the use of new materials and new buildingdesigns. This 2009 edition

9、is fully compatible with all the International Codes(I-Codes) published by the International CodeCouncil (ICC), including the International Energy Conservation Code, International Existing Building Code, InternationalFire Code, International Fuel Gas Code, International Mechanical Code, ICC Performa

10、nce Code, International PlumbingCode, International Private Sewage Disposal Code, International Property Maintenance Code, International ResidentialCode, International Wildland-Urban Interface Codeand International Zoning Code.The International Building Code provisions provide many benefits, among w

11、hich is the model code development process thatoffers an international forum for building professionals to discuss performance and prescriptive code requirements. This forum pro-vides an excellent arena to debate proposed revisions. This model code also encourages international consistency in the ap

12、plicationof provisions.DevelopmentThe first edition of the International Building Code (2000) was the culmination of an effort initiated in 1997 by the ICC. Thisincluded five drafting subcommittees appointed by ICC and consisting of representatives of the three statutory members of theInternational

13、Code Council at that time, including: Building Officials and Code Administrators International, Inc. (BOCA), Inter-national Conference of Building Officials (ICBO) and Southern Building Code Congress International (SBCCI). The intent was todraft a comprehensive set of regulations for building system

14、s consistent with and inclusive of the scope of the existing model codes.Technical content of the latest model codes promulgated by BOCA, ICBO and SBCCI was utilized as the basis for the development,followed by public hearings in 1997, 1998 and 1999 to consider proposed changes. This 2009 edition pr

15、esents the code as originallyissued, with changes reflected in the 2003 and 2006 editions and further changes approved through the ICC Code Development Pro-cess through 2008. A new edition such as this is promulgated every 3 years.This code is founded on principles intended to establish provisions c

16、onsistent with the scope of a building code that adequatelyprotects public health, safety and welfare; provisions that do not unnecessarily increase construction costs; provisions that do notrestrict the use of new materials, products or methods of construction; and provisions that do not give prefe

17、rential treatment to par-ticular types or classes of materials, products or methods of construction.AdoptionSee Section 101 GENERAL. The effective date of this code throughout Ohio is November 1, 2011.MaintenanceThe International Building Code is kept up to date through the review of proposed change

18、s submitted by code enforcing officials,industry representatives, design professionals and other interested parties. Proposed changes are carefully considered through anopen code development process in which all interested and affected parties may participate.The contents of this work are subject to

19、 change both through the Code Development Cycles and the governmental body thatenacts the code into law. For more information regarding the code development process, contact the Code and Standard Develop-ment Department of the International Code Council.While the development procedure of the Interna

20、tional Building Code assures the highest degree of care, ICC, its members andthose participating in the development of this code do not accept any liability resulting from compliance or noncompliance with theprovisions because ICC does not have the power or authority to police or enforce compliance

21、with the contents of this code. Only thegovernmental body that enacts the code into law has such authority.Text NotationsItalic text indicates where Ohio has modified the ICC model code text. The word “Deleted” found throughout the 2011 Ohio codetext indicates where Ohio has deleted 2009 ICC model c

22、ode text.2011 OHIO BUILDING CODE iii1M:dataCODESSTATE CODESOhio2011BldgFinal VP0b_prelim_Ohio_Bldg_2011.vpMonday, August 08, 2011 9:17:48 AMColor profile: Generic CMYK printer profileComposite Default screenCoordination between the International Building and Fire CodesBecause the coordination of tec

23、hnical provisions is one of the benefits of adopting the ICC family of model codes, users will find theICC codes to be a very flexible set of model documents. To accomplish this flexibility some technical provisions are duplicated insome of the model code documents. While the International Codes are

24、 provided as a comprehensive set of model codes for the builtenvironment, documents are occasionally adopted as a stand-alone regulation. When one of the model documents is adopted as thebasis of a stand-alone code, that code should provide a complete package of requirements with enforcement assigne

25、d to the entityfor which the adoption is being made.The model codes can also be adopted as a family of complimentary codes. When adopted together there should be no conflict ofany of the technical provisions. When multiple model codes are adopted in a jurisdiction it is important for the adopting au

26、thority toevaluate the provisions in each code document and determine how and by which agency(ies) they will be enforced. It is important,therefore, to understand that where technical provisions are duplicated in multiple model documents that enforcement duties mustbe clearly assigned by the local a

27、dopting jurisdiction. ICC remains committed to providing state-of-the-art model code documentsthat, when adopted locally, will reduce the cost to government of code adoption and enforcement and protect the public health,safety and welfare.Italicized TermsSelected terms set forth in Chapter 2, Defini

28、tions, are italicized where they appear in code text (except those in Sections 1903through 1908 where italics indicate provisions that differ from ACI 318). Such terms are not italicized where the definition set forthin Chapter 2 does not impart the intended meaning in the use of the term. The terms

29、 selected have definitions which the user shouldread carefully to facilitate better understanding of the code.iv 2011 OHIO BUILDING CODE2M:dataCODESSTATE CODESOhio2011BldgFinal VP0b_prelim_Ohio_Bldg_2011.vpMonday, August 08, 2011 9:17:49 AMColor profile: Generic CMYK printer profileComposite Default

30、 screenTABLE OF CONTENTSCHAPTER 1 ADMINISTRATION. . . . . . . . . . . . . . . . 1Section101 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1102 Applicability and Jurisdictional Authority. . . . . . . 2103 Certified Building Departments,Personnel, and Appeals Boards . .

31、 . . . . . . . . . . . 4104 Duties and Responsibilities. . . . . . . . . . . . . . . . . . 19105 Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21106 Construction Documents . . . . . . . . . . . . . . . . . . . . 22107 Plan Approval Process. . . . . . . . . . . . . . . . .

32、 . . . . . 25108 Inspection Process . . . . . . . . . . . . . . . . . . . . . . . . . 27109 Orders, Violations, and Unsafe Buildings . . . . . . 29110 Appeals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30111 Certificate of Occupancy. . . . . . . . . . . . . . . . . . . . 3111

33、2 Changes to the Code . . . . . . . . . . . . . . . . . . . . . . . 32113 Industrialized Units . . . . . . . . . . . . . . . . . . . . . . . . 32114 Products and Materials . . . . . . . . . . . . . . . . . . . . . 34115 Construction DocumentsExamination and Inspection Fees . . . . . . . . . . . 3611

34、6 Board Committees . . . . . . . . . . . . . . . . . . . . . . . . . 37CHAPTER 2 DEFINITIONS . . . . . . . . . . . . . . . . . . . 39Section201 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39202 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35、39CHAPTER 3 USE AND OCCUPANCYCLASSIFICATION . . . . . . . . . . . . . . . 53Section301 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53302 Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53303 Assembly Group A . . . . . . . . . . . . . . . . . .

36、 . . . . . . 53304 Business Group B . . . . . . . . . . . . . . . . . . . . . . . . . 54305 Educational Group E . . . . . . . . . . . . . . . . . . . . . . . 54306 Factory Group F. . . . . . . . . . . . . . . . . . . . . . . . . . . 54307 High-hazard Group H . . . . . . . . . . . . . . . . . . . . .

37、 . 55308 Institutional Group I . . . . . . . . . . . . . . . . . . . . . . . 63309 Mercantile Group M . . . . . . . . . . . . . . . . . . . . . . . 64310 Residential Group R . . . . . . . . . . . . . . . . . . . . . . . 65311 Storage Group S. . . . . . . . . . . . . . . . . . . . . . . . . . . 66312

38、 Utility and Miscellaneous Group U . . . . . . . . . . . 67CHAPTER 4 SPECIAL DETAILEDREQUIREMENTS BASEDON USE AND OCCUPANCY. . . . . . . 69Section401 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69402 Covered Mall and Open Mall Buildings . . . . . . . 69403 High-rise B

39、uildings . . . . . . . . . . . . . . . . . . . . . . . . 72404 Atriums. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75405 Underground Buildings . . . . . . . . . . . . . . . . . . . . . 76406 Motor-vehicle-related Occupancies . . . . . . . . . . . 77407 Group I-2 . . . . . . .

40、. . . . . . . . . . . . . . . . . . . . . . . . . 81408 Group I-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82409 Motion Picture Projection Rooms . . . . . . . . . . . . 84410 Stages and Platforms . . . . . . . . . . . . . . . . . . . . . . . 85411 Special Amusement Buildings .

41、 . . . . . . . . . . . . . . 86412 Aircraft-related Occupancies . . . . . . . . . . . . . . . . 87413 Combustible Storage . . . . . . . . . . . . . . . . . . . . . . . 90414 Hazardous Materials . . . . . . . . . . . . . . . . . . . . . . . 90415 Groups H-1, H-2, H-3, H-4 and H-5 . . . . . . . . . .

42、94416 Application of Flammable Finishes . . . . . . . . . . 106417 Drying Rooms . . . . . . . . . . . . . . . . . . . . . . . . . . . 107418 Organic Coatings . . . . . . . . . . . . . . . . . . . . . . . . . 107419 Live/work Units . . . . . . . . . . . . . . . . . . . . . . . . . . 107420 Groups I-1

43、, R-1, R-2, R-3 . . . . . . . . . . . . . . . . . . 108421 Hydrogen Cutoff Rooms . . . . . . . . . . . . . . . . . . . 108422 Ambulatory Health Care Facilities . . . . . . . . . . . 109423 Storm Shelters . . . . . . . . . . . . . . . . . . . . . . . . . . . 109CHAPTER 5 GENERAL BUILDINGHEIGHTS AND A

44、REAS . . . . . . . . . . 111Section501 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111502 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111503 General Building Heightand Area Limitations. . . . . . . . . . . . . . . . . . . . 111504 Building He

45、ight . . . . . . . . . . . . . . . . . . . . . . . . . . 111505 Mezzanines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113506 Building Area Modifications . . . . . . . . . . . . . . . 114507 Unlimited Area Buildings . . . . . . . . . . . . . . . . . . 115508 Mixed Use and Occupancy . .

46、 . . . . . . . . . . . . . . . 116509 Special Provisions . . . . . . . . . . . . . . . . . . . . . . . . 1182011 OHIO BUILDING CODE v1M:dataCODESSTATE CODESOhio2011BldgFinal VP0c_toc_Ohio_Bldg_2011.vpTuesday, October 04, 2011 9:16:18 AMColor profile: Generic CMYK printer profileComposite Default scr

47、eenCHAPTER 6 TYPES OF CONSTRUCTION. . . . . 123Section601 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123602 Construction Classification. . . . . . . . . . . . . . . . . 123603 Combustible Material inType I and II Construction . . . . . . . . . . . . . . . 125CHAPTER 7

48、FIRE AND SMOKEPROTECTION FEATURES . . . . . . . 127Section701 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127702 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127703 Fire-resistance Ratings and Fire Tests . . . . . . . . 128704 Fire-resistance

49、Ratingof Structural Members. . . . . . . . . . . . . . . . . . . 129705 Exterior Walls . . . . . . . . . . . . . . . . . . . . . . . . . . . 131706 Fire Walls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135707 Fire Barriers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137708 Shaft Enclosures . . . . . . . . . . . . . . . . . . . . . . . . . 138709 Fire Partitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 142710 Smoke Barr