2012 INTERNATIONAL BUILDING CODE HANDBOOK
2012 INTERNATIONALBUILDING CODE HANDBOOK00 Thornburg FM pi-xx.indd 13/26/13 4:18 PM
About the AuthorsDouglas W. Thornburg, AIA, is the Vice President and Technical Director of ProductDevelopment and Education, where he provides leadership in the technical developmentand positioning of support products, educational activities, and certification programs forthe Code Council (ICC). Prior to joining the ICC in 2004, Mr. Thornburg served as a codeconsultant and educator for building codes. He has been involved extensively in buildingcode activities since 1980.John R. Henry, P.E., is the Principal Staff Engineer with the International Code Council(ICC) and has been with the association since 1997. During his tenure with ICC, he hasworked for the code development department, technical services, government relations,training and education, and product development. Mr. Henry is currently responsible forthe research, development, and authoring of technical resources related to the structuralengineering provisions of the IBC and IRC and is an instructor of structural and framingseminars for the Code Council.About the International Code CouncilThe International Code Council (ICC ) is a member-focused association dedicated tohelping the building safety community and construction industry provide safe, sustainableand affordable construction through the development of codes and standards used in thedesign, build and compliance process. Most U.S. communities and many global marketschoose the International Codes. ICC Evaluation Service (ICC-ES), a subsidiary of theInternational Code Council, has been the industry leader in performing technical evaluations for code compliance fostering safe and sustainable design and construction.Headquarters: 500 New Jersey Avenue, NW, 6th Floor, Washington, DC 20001-2070District Offices: Birmingham, AL; Chicago. IL; Los Angeles, CA1-888-422-7233www.iccsafe.org00 Thornburg FM pi-xx.indd 23/26/13 4:18 PM
2012 INTERNATIONALBUILDING CODE HANDBOOKDouglas W. Thornburg, AIA John R. Henry, P.E.New York Chicago San Francisco Lisbon London MadridMexico City Milan New Delhi San Juan SeoulSingapore Sydney Toronto00 Thornburg FM pi-xx.indd 33/26/13 4:18 PM
McGraw-Hill Education and ICC books are available at special quantity discounts to use as premiums and sales promotions, or for use in corporate training programs. To contact a representativeplease e-mail us at bulksales@mcgraw-hill.com.2012 International Building Code HandbookCopyright 2013 by the International Code Council. All rights reserved. Printed in the UnitedStates of America. Except as permitted under the United States Copyright Act of 1976, no part ofthis publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher.1 2 3 4 5 6 7 8 9 0DOW/DOW1 9 8 7 6 5 4 3ISBN 978-0-07-180131-7MHID 0-07-180131-6This book is printed on acid-free paper.Sponsoring EditorMichael McCabe,McGraw-Hill Education(MHE)Acquisitions CoordinatorBridget Thoreson, MHEEditorial SupervisorDavid E. Fogarty, MHEProject ManagerHarleen Chopra,Cenveo PublisherServicesCopy EditorCenveo Publisher ServicesProofreaderPaula GarberProduction SupervisorRichard C. Ruzycka, MHECompositionCenveo Publisher ServicesArt Director, CoverJeff Weeks, MHEICC StaffExecutive VP and Directorof Business DevelopmentMark JohnsonVP and Technical Directorof Product Developmentand EducationDoug ThornburgDirector of Products andSpecial salesSuzane NunesManager of ProductDevelopmentCindy RodriguezInformation contained in this work has been obtained by McGraw-Hill Education, LLC from sources believed tobe reliable. However, neither McGraw-Hill Education, the International Code Council, nor its authors guaranteethe accuracy or completeness of any information published herein, and neither McGraw-Hill Education nor itsauthors shall be responsible for any errors, omissions, or damages arising out of use of this information. This workis published with the understanding that McGraw-Hill Education and its authors are supplying information but arenot attempting to render engineering or other professional services. If such services are required, the assistance ofan appropriate professional should be sought.00 Thornburg FM pi-xx.indd 43/26/13 4:18 PM
DedicationThis book is dedicated to the memory of the late James E. Bihr, P.E., past chief executive officer of the International Conference of Building Officials (one of the three legacyfounding members of the International Code Council) and past chairman of the board ofdirectors of ASTM International (formerly the American Society of Testing and Materials).Mr. Bihr provided tremendous vision and leadership in various roles during his long and distinguished career. His integrity, professionalism, and compassion provided support and inspirationto the authors as well as so many others.2012 International Building Code Handbook00 Thornburg FM pi-xx.indd 5v3/26/13 4:18 PM
Online Bonus ResourcesEnhance Your 2012 IBC Handbook Reading Experience. The 2012 InternationalBuilding Code Handbook includes a variety of helpful bonus resources just right foryou. These online bonus resources are designed to enhance your expertise and knowledgeof various building code provisions, including:·FEMA/NEHRP/NIST Publications related to earthquake safety and seismicdesign·Articles by expert engineers on changes to the latest structural material standards·ATC Wind Speed site provides site specific wind speeds for use with ASCE 7-10·ICC Guidelines for acoustics and commissioning·Helpful Articles from ICC’s Building Safety Journal·Helpful ICC YouTube Videos on various code related topics·Resources related to accessible means of egress and fire protection.vi00 Thornburg FM pi-xx.indd 62012 International Building Code Handbook3/26/13 4:18 PM
ContentsForeword. . . . . . . . . . . . . . . . . . . . . . xvSectionSection Section Section309 Mercantile Group M . . . . . .310 Residential Group R . . . . . .311 Storage Group S. . . . . . . . .312 Utility and MiscellaneousGroup U . . . . . . . . . . . . . . . KEY POINTS . . . . . . . . . . . . . . . . . . . . . . . Preface. . . . . . . . . . . . . . . . . . . . . . . xviiAcknowledgments. . . . . . . . . . . . . . . . xixChapter 1Scope and Administration . . . . . . . . . . . . . . 1 Section101 General. . . . . . . . . . . . . . . .Section 102 Applicability . . . . . . . . . . . . Section 103 Department ofBuilding Safety. . . . . . . . . . Section 104 Duties and Powers ofBuilding Official . . . . . . . . . Section 105 Permits. . . . . . . . . . . . . . . . Section 107 Submittal Documents. . . . . Section 108 Temporary Structuresand Uses. . . . . . . . . . . . . . . Section 109 Fees . . . . . . . . . . . . . . . . . . Section 110 Inspections. . . . . . . . . . . . . Section 111 Certificate of Occupancy. . . Section 112 Service Utilities. . . . . . . . . . Section 113 Board of Appeals. . . . . . . . . Section 114 Violations . . . . . . . . . . . . . . Section 115 Stop Work Order. . . . . . . . . Section 116 Unsafe Structuresand Equipment. . . . . . . . . . KEY POINTS . . . . . . . . . . . . . . . . . . . . . . . . 2. 4. 6. 91112121314151515161717Section 201 General. . . . . . . . . . . . . . . . 20 Section 202 Definitions . . . . . . . . . . . . . 20 KEY POINTS . . . . . . . . . . . . . . . . . . . . . . . 45 Chapter 3Use and Occupancy Classification. . . . . . . 47SectionSection Section Section Section Section Section 302 Classification . . . . . . . .303 Assembly Group A. . . . .304 Business Group B. . . . .305 Educational Group E. . .306 Factory Group F . . . . . .307 High-Hazard Group H. .308 Institutional Group I. . .Chapter 4Special Detailed RequirementsBased on Use and Occupancy . . . . . . . . . . 71Section 402 Covered Mall andOpen Mall Buildings. . . . . Section 403 High-Rise Buildings. . . . . . Section 404 Atriums . . . . . . . . . . . . . . Section 405 Underground Buildings. . . Section 406 Motor-Vehicle‑RelatedOccupancies. . . . . . . . . . . Section 407 Group I-2 . . . . . . . . . . . . . Section 408 Group I-3 . . . . . . . . . . . . . Section 409 Motion-PictureProjection Rooms. . . . . . . Section 410 Stages, Platforms, andTechnical ProductionAreas . . . . . . . . . . . . . . . . Section 411 Special AmusementBuildings . . . . . . . . . . . . . Section 412 Aircraft-RelatedOccupancies. . . . . . . . . . . Section 413 Combustible Storage. . . . . Section 414 Hazardous Materials. . . . . Section 415 Groups H-1, H-2,H-3, H-4, and H-5. . . . . . . Section 416 Application ofFlammable Finishes . . . . . Section 417 Drying Rooms. . . . . . . . . . Section 418 Organic Coatings. . . . . . . . Section 419 Live/Work Units . . . . . . . . Section 420 Groups I-1, R-1,R-2, and R-3. . . . . . . . . . . Section 422 Ambulatory CareFacilities. . . . . . . . . . . . . . Section 423 Storm Shelters . . . . . . . . . Section 424 Children’s PlayStructures. . . . . . . . . . . . . KEY POINTS . . . . . . . . . . . . . . . . . . . . . .485054555657632012 International Building Code Handbook00 Thornburg FM pi-xx.indd 76969 . 5Chapter 2Definitions. . . . . . . . . . . . . . . . . . . . . . . . . 19 656668.72818890. 92. 96100. i3/26/13 4:18 PM
ContentsChapter 5General Building Heights and Areas. . . . . 123Section 501 General. . . . . . . . . . . . . .Section 503 General Building Heightand Area Limitations. . . . Section 504 Building Height. . . . . . . . Section 505 Mezzanines andEquipment Platforms. . . Section 506 Building AreaModifications. . . . . . . . . . Section 507 Unlimited-AreaBuildings . . . . . . . . . . . . Section 508 Mixed Useand Occupancy. . . . . . . . Section 509 Incidental Uses. . . . . . . . Section 510 Special Provisions. . . . . . KEY POINTS . . . . . . . . . . . . . . . . . . . . . 124 . 124. 128. . 130. 135. 148.155165168172Chapter 6Types of Construction . . . . . . . . . . . . . . . 175Section 602 ConstructionClassification . . . . . . . . . . 176 Section 603 Combustible Materialin Type I and IIConstruction. . . . . . . . . . . 186 KEY POINTS . . . . . . . . . . . . . . . . . . . . . 188 Chapter 7Fire and Smoke Protection Features. . . . . 189Section 703 Fire-Resistance Ratingsand Fire Tests. . . . . . . . . Section 704 Fire-Resistance Ratingof Structural Members . . Section 705 Exterior Walls. . . . . . . . . Section 706 Fire Walls . . . . . . . . . . . . Section 707 Fire Barriers. . . . . . . . . . Section 708 Fire Partitions. . . . . . . . . Section 709 Smoke Barriers. . . . . . . . Section 710 Smoke Partitions . . . . . . Section 711 Horizontal Assemblies. . . Section 712 Vertical Openings . . . . . . Section 713 Shaft Enclosures. . . . . . . Section 714 Penetrations . . . . . . . . . . Section 715 Joint Systems. . . . . . . . . Section 716 Opening Protectives. . . . . Section 717 Ducts and Air TransferOpenings. . . . . . . . . . . . . viii00 Thornburg FM pi-xx.indd 8. 190.197201215226228231232232235237241249250. 255Section 718 Concealed Spaces. .Section 719 Fire-ResistanceRequirementsfor Plaster. . . . . . . . Section 720 Thermal- andSound-InsulatingMaterials. . . . . . . . . Section 721 Prescriptive FireResistance. . . . . . . . Section 722 Calculated FireResistance. . . . . . . . KEY POINTS . . . . . . . . . . . . . . . . . . . . . 260 . . . . . 266. . . . . 266. . . . . 266. . . . . 270. . . . . 272Chapter 8Interior Finishes. . . . . . . . . . . . . . . . . . . . 275Section 801 General. . . . . . . . . . . . .Section 803 Wall and CeilingFinishes . . . . . . . . . . . . Section 804 Interior FloorFinish. . . . . . . . . . . . . . Section 805 Combustible Materialsin Types I and IIConstruction. . . . . . . . . Section 806 Decorative Materialsand Trim. . . . . . . . . . . . KEY POINTS . . . . . . . . . . . . . . . . . . . . . 276 . . 276. . 279. . 280. . 281. . 281Chapter 9Fire Protection Systems . . . . . . . . . . . . . . 283Section 901 General. . . . . . . . . . . . . . .Section 903 Automatic SprinklerSystems . . . . . . . . . . . . . . Section 904 Alternative AutomaticFire-ExtinguishingSystems . . . . . . . . . . . . . . Section 905 Standpipe Systems. . . . . . Section 907 Fire Alarm andDetection Systems. . . . . . . Section 908 Emergency AlarmSystems . . . . . . . . . . . . . . Section 909 Smoke-ControlSystems. . . . . . . . . . . . . . . Section 910 Smoke and Heat Vents . . . Section 911 Fire CommandCenter. . . . . . . . . . . . . . . . Section 914 Emergency ResponderSafety Features. . . . . . . . . KEY POINTS . . . . . . . . . . . . . . . . . . . . . 284 2863043053103173173203223223232012 International Building Code Handbook3/26/13 5:56 PM
ContentsChapter 10Means of Egress. . . . . . . . . . . . . . . . . . . . 325Section 1001 Administration . . . . . . . .Section 1002 Definitions . . . . . . . . . . . Section 1003 General Means ofEgress. . . . . . . . . . . . . . . Section 1004 Occupant Load . . . . . . . . Section 1005 Means of Egress Sizing. . . Section 1006 Means of EgressIllumination . . . . . . . . . . Section 1007 Accessible Meansof Egress. . . . . . . . . . . . . Section 1008 Doors, Gates,and Turnstiles. . . . . . . . . Section 1009 Stairways . . . . . . . . . . . . Section 1010 Ramps. . . . . . . . . . . . . . . Section 1011 Exit Signs. . . . . . . . . . . . Section 1012 Handrails . . . . . . . . . . . . Section 1013 Guards. . . . . . . . . . . . . . Section 1014 Exit Access. . . . . . . . . . . Section 1015 Exit and Exit AccessDoorways . . . . . . . . . . . . Section 1016 Exit AccessTravel Distance. . . . . . . . Section 1017 Aisles . . . . . . . . . . . . . . . Section 1018 Corridors. . . . . . . . . . . . . Section 1019 Egress Balconies. . . . . . . Section 1020 Exits. . . . . . . . . . . . . . . . Section 1021 Number of Exits andExit Configuration . . . . . Section 1022 Interior Exit Stairwaysand Ramps. . . . . . . . . . . Section 1023 Exit Passageways . . . . . . Section 1024 Luminous EgressPath Markings. . . . . . . . . Section 1025 Horizontal Exits. . . . . . . . Section 1026 Exterior Exit Stairwaysand Ramps. . . . . . . . . . . Section 1027 Exit Discharge. . . . . . . . . Section 1028 Assembly. . . . . . . . . . . . . Section 1029 Emergency Escapeand Rescue. . . . . . . . . . . KEY POINTS . . . . . . . . . . . . . . . . . . . . 6417423423 1103 Scoping Requirements. .1104 Accessible Route. . . . . .1105 Accessible Entrances. . .1106 Parking and PassengerLoading Facilities . . . . . Section 1107 Dwelling Unitsand Sleeping Units . . . . Section 1108 Special Occupancies. . . Section 1109 Other Featuresand Facilities. . . . . . . . . Section 1110 Signage. . . . . . . . . . . . . KEY POINTS . . . . . . . . . . . . . . . . . . . . 472. 473. 476. 478. 481. 482Chapter 12Interior Environment. . . . . . . . . . . . . . . . 483SectionSection Section Section Section Section1203 Ventilation. . . . . . . . . .1204 Temperature Control. .1205 Lighting . . . . . . . . . . .1206 Yards or Courts. . . . . .1207 Sound Transmission. .1208 Interior SpaceDimensions. . . . . . . . . Section 1209 Access to UnoccupiedSpaces . . . . . . . . . . . . Section 1210 Toilet and BathroomRequirements . . . . . . . KEY POINTS . . . . . . . . . . . . . . . . . . .484488488489490. . 490. . 491. . 492. . 493424428432Chapter 14Exterior Walls. . . . . . . . . . . . . . . . . . . . . . 497434435439441444457460Section 1101 General. . . . . . . . . . . . . . 466Section 1102 Definitions . . . . . . . . . . . 466Section 1402 Definitions . . . . . . . . . .Section 1403 PerformanceRequirements . . . . . . . . Section 1404 Materials. . . . . . . . . . . . Section 1405 Installation ofWall Coverings. . . . . . . . Section 1406 Combustible Materialson the Exterior Side ofExterior Walls. . . . . . . . Section 1407 Metal CompositeMaterials . . . . . . . . . . . Section 1408 Exterior Insulationand FinishSystems (EIFS) . . . . . . . KEY POINTS . . . . . . . . . . . . . . . . . . . . 498 2012 International Building Code Handbook00 Thornburg FM pi-xx.indd 9. 467. 469. 470Chapter 13Energy Efficiency. . . . . . . . . . . . . . . . . . . 495Chapter 11Accessibility. . . . . . . . . . . . . . . . . . . . . . . 463 SectionSection Section Section . 498. 499. 499. 505. 505. 506. 506ix3/26/13 4:18 PM
ContentsChapter 15Roof Assemblies andRooftop Structures. . . . . . . . . . . . . . . . . . 507Section 1502 Definitions . . . . . . . .Section 1503 Weather Protection . . Section 1504 PerformanceRequirements . . . . . . Section 1505 Fire Classification. . . Section 1506 Materials. . . . . . . . . . Section 1507 Requirements forRoof Coverings . . . . . Section 1508 Roof Insulation. . . . . Section 1509 Rooftop Structures . . Section 1510 Reroofing . . . . . . . . . KEY POINTS . . . . . . . . . . . . . . . . . . . . 508. . . 508. . . 509. . . 511. . . 512.513519519521522Introduction to the StructuralProvisions. . . . . . . . . . . . . . . . . . . . . . . . . 523Structural Design (Chapter 16):Nonseismic. . . . . . . . . . . . . . . . . . . . . . . . . 524Structural Design (Chapter 16): Seismic. . . 525Structural Design (Chapter 16):Load Combinations. . . . . . . . . . . . . . . . . . . 527Example 16-1 Design Axial Force, ShearForce, and Bending Momentfor Shear Wall Due toLateral and Gravity Loads(Strength Design). . . . . . . 573 Example 16-2 Design Axial Force,Shear Force, and BendingMoment for Shear WallDue to Lateral and GravityLoads (Allowable StressDesign Using BasicLoad Combinations). . . . . 574 Example 16-3 Design Axial Force,Shear Force, and BendingMoment for Shear Wall Dueto Lateral and Gravity Loads(Allowable Stress DesignUsing Alternate Basic LoadCombinations). . . . . . . . . 575 Example 16-4 Calculations of LiveLoad Reduction. . . . . . . . 576
2012 International Building Code Handbook. v. Dedication. This book is dedicated to the memory of the late James E. Bihr, P.E., past chief execu-tive officer of the International Conference of Building Officials (one of the three legacy founding members of the International Code Council) and past chairman of the board of
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Commercial Building Code 2014 modifies and adopts the International Building Code 2012. The modifications to the International Building Code 2012 are shown in Part II of this code. Any reference to the International Building Code in the referenced codes shall mean the Bermuda Commercial Building Code 2014.
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2nd Language - Hindi (Based on Curriculum issued by the council for the Indian School Certificate Examination, New Delhi First – Edition Nov 2016, Published by RDCD) 1st Term Syllabus GunjanHindi Pathmala – 4 1.Bharat ke bacche 2.Idgaah 3.Swami vivekanand 4.Prakrati ki sushma 5.Hamara tiranga jhanda 6.Everest e saath meri bhet 7.Chiti aur kabootar 8. Kabaddi Bhasha Adhigam evam Vyakaran .
