The 2009
International Building Code (IBC) covers all buildings except
detached one and two family dwellings and townhouses not more than 3
stories in height.
This comprehensive code features time-tested
safety concepts, structural, and fire and life safety provisions
covering means of egress, interior finish requirements,
comprehensive roof provisions, seismic engineering provisions,
innovative construction technology, occupancy classifications, and
the latest industry standards in material design.
It is founded on broad-based principles that
make possible the use of new materials and new building designs.
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The International Building Code®
(IBC) is a model code that provides minimum requirements to
safeguard the public health, safety and general welfare of the
occupants of new and existing buildings and structures. The IBC is
fully compatible with the ICC family of codes, including: International Energy Conservation Code® (IECC®),
International Existing Building Code® (IEBC®), International
Fire Code® (IFC®), International Fuel Gas Code® (IFGC®),
International Mechanical Code® (IMC®), ICC Performance
Code® (ICCPC®), International Plumbing Code® (IPC®), International
Private Sewage Disposal Code® (IPSDC®), International
Property Maintenance Code® (IPMC®), International Residential
Code® (IRC®), International Wildland-Urban Interface Code™
(IWUIC®) and International Zoning Code® (IZC®).
The IBC addresses structural strength, means of egress, sanitation,
adequate lighting and ventilation, accessibility, energy
conservation and life safety in regards to new and existing
buildings, facilities and systems. The codes are promulgated on a
3-year cycle to allow for new construction methods and technologies
to be incorporated into the codes. Alternative materials, designs
and methods not specifically addressed in the code can be approved
by the code official where the proposed materials, designs or
methods comply with the intent of the provisions of the code (see
Section 104.11).
The IBC applies to all occupancies, including one- and two-family
dwellings and townhouses that are not within the scope of the IRC.
The IRC is referenced for coverage of detached one- and two-family
dwellings and townhouses as defined in the Exception to Section
101.2 and the definition for "townhouse" in Chapter 2. The IBC
applies to all types of buildings and structures unless exempted.
Work exempted from permits is listed in Section 105.2.
Arrangement and Format of the 2009 IBC
Before applying the requirements of the IBC, it is beneficial to
understand its arrangement and format. The IBC, like other codes
published by ICC, is arranged and organized to follow sequential
steps that generally occur during a plan review or inspection.
| Chapters |
Subjects
|
| 1-2 |
Administration and definitions
|
| 3 |
Use and occupancy classifications |
| 4,31 |
Special requirements for specific
occupancies or elements |
| 5-6 |
Height and area limitations based on
type of construction |
| 7-9 |
Fire resistance and protection
requirements |
| 10 |
Requirements for evacuation |
| 11 |
Specific requirements to allow use
and access to a building for persons with disabilities |
| 12-13,27-30 |
Building systems, such as lighting,
HV AC, plumbing fixtures, elevators |
| 14-26 |
Structural components-performance and
stability |
| 32 |
Encroachment outside of property
lines |
| 33 |
Safeguards during construction |
| 34 |
Existing building allowances |
| 35 |
Referenced standards |
| Appendices A-K |
Appendices |
The IBC requirements for high hazard,
fire-resistance-rated construction, interior finish, fire protection
systems, means of egress, emergency and standby power, and temporary
structures are directly correlated with the requirements of the IFC.
The following chapters/sections of the IBC are correlated to the IFC:
|
IBC
Chapter/Section |
IFC
Chapter/Section |
Subject
|
| Sections 307,414,415 |
Chapters 27-44 |
High-hazard requirements |
| Chapter 7 |
Chapter 7 |
Fire-resistance-rated construction |
| Chapter 8 |
Chapter 8 |
Interior finish, decorative materials
and furnishings |
| Chapter 9 |
Chapter 9 |
Fire protection systems |
| Chapter 10 |
Chapter 10 |
Means of egress |
| Chapter 27 |
Section 604 |
Standby and emergency power
|
| Section 3103 |
Chapter 24 |
Temporary structures |
The IBC requirements for smoke control
systems, and smoke and fire dampers are directly correlated to the
requirements of the IMC. IBC Chapter 28 is a reference to the IMC
and the IFGC for chimney, fireplaces and barbeques, and all aspects
of mechanical systems. The following chapters/sections of the IBC
are correlated with the IMC:
IBC
Chapter/Section |
IMC
Chapter/Section |
Subject |
| Section 716 |
Section 607 |
Smoke and fire dampers |
| Section 909 |
Section 513 |
Smoke control |
The IBC requirements for plumbing fixtures and
toilet rooms are directly correlated to the requirements of the IPC.
The following chapters/sections of the IBC are correlated with the
IPC:
IBC
Chapter/Section |
IPC
Chapter/Section |
Subject
|
| Chapter 29 |
Chapters 3 & 4 |
Plumbing fixtures and facilities |
CHAPTER 1 ADMINISTRATION
- Chapter 1 establishes the limits of applicability of the code
and describes how the code is to be applied and enforced.
Chapter 1 is in two parts, Part I-Scope and Application
(Sections 101-102) and Part 2-Administration and Enforcement
(Sections 103-116). Section 101 identifies which buildings and
structures come under its purview and references other ICC codes
as applicable. Standards and codes are scoped to the extent
referenced (see Section 102.4).
The building code is intended to be adopted as a legally
enforceable document and it cannot be effective without adequate
provisions for its administration and enforcement. The
provisions of Chapter I establish the authority and duties of
the code official appointed by the jurisdiction having authority
and also establish the rights and privileges of the design
professional, contractor and property owner.
CHAPTER 2 DEFINITIONS
- All terms that are defined in the code are listed alphabetically
in Chapter 2. Terms are defined in Chapter 2 or there is a
reference to the section where the definition is located. While
a defined term may be listed in one chapter or another, the
meaning is applicable throughout the code.
Codes are technical documents and every word, term and
punctuation mark can impact the meaning of the code text and the
intended results. The code often uses terms that have a unique
meaning in the code and the code meaning can differ
substantially from the ordinarily understood meaning of the term
as used outside of the code. Where understanding of a term's
definition is especially key to or necessary for understanding a
particular code provision, the term is shown in italics
wherever it appears in the code.
CHAPTER 3 USE AND OCCUPANCY
CLASSIFICATION
CHAPTER 4 SPECIAL DETAILED
REQUIREMENTS BASED ON USE AND OCCUPANCY
CHAPTER 5 GENERAL BUILDING
HEIGHTS AND AREAS
CHAPTER 6 TYPES OF
CONSTRUCTION
CHAPTER 7 FIRE AND SMOKE
PROTECTION FEATURES
CHAPTER 8 INTERIOR FINISHES
CHAPTER 9 FIRE PROTECTION
SYSTEMS
CHAPTER 10 MEANS OF EGRESS
CHAPTER 11 ACCESSIBILITY
CHAPTER 12 INTERIOR
ENVIRONMENT
CHAPTER 13 ENERGY EFFICIENCY
CHAPTER 14 EXTERIOR WALLS
CHAPTER 15 ROOF ASSEMBLIES
AND ROOFTOP STRUCTURES
CHAPTER 16 STRUCTURAL DESIGN
CHAPTER 17 STRUCTURAL TESTS
AND SPECIAL INSPECTIONS
CHAPTER 18 SOILS AND
FOUNDATIONS
CHAPTER 19 CONCRETE
CHAPTER 20 ALUMINUM
CHAPTER 21 MASONRY
CHAPTER 22 STEEL
CHAPTER 23 WOOD
CHAPTER 24 GLASS AND GLAZING
CHAPTER 25 GYPSUM BOARD AND
PLASTER
CHAPTER 26 PLASTIC
CHAPTER 27 ELECTRICAL
CHAPTER 28 MECHANICAL SYSTEMS
CHAPTER 29 PLUMBING SYSTEMS
CHAPTER 30 ELEVATORS AND
CONVEYING SYSTEMS
CHAPTER 31 SPECIAL
CONSTRUCTION
CHAPTER 32 ENCROACHMENTS INTO
THE PUBLIC RIGHT-OF-WAY
CHAPTER 33 SAFEGUARDS DURING
CONSTRUCTION
CHAPTER 34 EXISTING
STRUCTURES
CHAPTER 35 REFERENCED
STANDARDS
APPENDIX A EMPLOYEE
QUALIFICATIONS
APPENDIX B BOARD OF APPEALS
APPENDIX C GROUP
U—AGRICULTURAL BUILDINGS
APPENDIX D FIRE DISTRICTS
APPENDIX E SUPPLEMENTARY
ACCESSIBILITY REQUIREMENTS
APPENDIX F RODENTPROOFING
APPENDIX G FLOOD-RESISTANT
CONSTRUCTION
APPENDIX H SIGNS
APPENDIX I PATIO COVERS
APPENDIX J GRADING
APPENDIX K ADMINISTRATIVE
PROVISIONS
INDEX
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