ONTARIO BUILDING CODECONCEPTS + CODE ANALYSIS
Rosie Dawson, M.Arch, AOCAD
Matthew Hickey, M.Arch, OAA
COURSE OVERVIEW
‣ Introduction
‣ Architect’s Act
‣ Overview of how the OBC is organized
‣ How to navigate the Code
BREAK
‣ Code Matrix “Building Code Compliance Data”
‣ Exercise - Completing a Sample Code Matrix
CONTEXT CODES
National Building Code 2015 Ontario Building Code 2012
CONTEXT CODES
PAPERLESS Building Code
CONTEXT CODES
INTERNATIONAL Building Code INTERNATIONAL ENERGY
Conservation Code
CONTEXT WHAT IS THE BUILDING CODE?
• It is a Building Owner’s responsibility for the life
safety of the occupants of a building.
• Architects advise building owner’s of Building Code
Requirements which are:
“minimum requirements of the applicable
codes and standards.”
The Building Code:
CONTEXT ARCHITECT’S ACT
Regulation 27 of the Architects Act
• Requires that Architects must when submitting an
application of a building permit, include with the
information that is submitted Building Code
Compliance Data
Professional Practice
OBC OVERVIEWVolume 1Preface
Highlights of Major Changes
Guidelines for Requesting
Changes to the Building Code
Code Amendment History
Building Code Act
Building Code
Division A
Division B
Division C
Index
Pending Amendments
Volume 2Appendix A Explanatory Information
Appendix B Imperial Conversion
Supplementary Standards
SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High
Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of
Anchorage Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code
Agencies
Forms
OBC OVERVIEWVolume 1Preface
Highlights of Major Changes
Guidelines for Requesting
Changes to the Building Code
Code Amendment History
Building Code Act
Building Code
Division A
Division B
Division C
Index
Pending Amendments
Volume 2Appendix A Explanatory Information
Appendix B Imperial Conversion
Supplementary Standards
SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High
Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of
Anchorage Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code
Agencies
Forms
OBC OVERVIEWVolume 1Preface
Highlights of Major Changes
Guidelines for Requesting
Changes to the Building Code
Code Amendment History
Building Code Act
Building Code
Division A
Division B
Division C
Index
Pending Amendments
Volume 2Appendix A Explanatory Information
Appendix B Imperial Conversion
Supplementary Standards
SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High
Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of
Anchorage Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code
Agencies
Forms
O. Reg. 332/12Amendment History Table Ontario Building
Code 2014 O. Reg. 332/12
Amendments to the Ontario Building Code 2012 O. Reg. 332/12
Symbol Amendment Date Made Date Filed Date Gazetted Effective Date
O. Reg. 151/13 April 24, 2013 May 9, 2013 May 25, 2013 Jan. 1, 2014
O. Reg. 360/13 Dec. 11, 2013 Dec. 20, 2013 Jan. 4, 2014 Jan. 1, 2014
O. Reg. 361/13 Dec. 11, 2013 Dec. 20, 2013 Jan. 4, 2014 Jan. 1, 2014
O. Reg. 368/13 Dec. 11, 2013 Dec. 27, 2013 Jan. 11, 2014 Jan. 1, 2015
O. Reg. 191/14 Sept. 17, 2014 Sept. 23, 2014 Oct. 11, 2014 Jan. 1, 2015
Minister's Rulings to the Ontario Building Code 2012 O. Reg. 332/12
Symbol Ruling Number Date of Ruling Effective Date
MR-13-S-24 Sept. 1, 2013 Jan. 1, 2014
OBC OVERVIEWVolume 1Preface
Highlights of Major Changes
Guidelines for Requesting
Changes to the Building Code
Code Amendment History
Building Code Act
Building Code
Division A
Division B
Division C
Index
Pending Amendments
Volume 2Appendix A Explanatory Information
Appendix B Imperial Conversion
Supplementary Standards
SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High
Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of
Anchorage Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code
Agencies
Forms
OBC BASIC ORGANIZATIONNumbering System
NUMBER DESCRIPTION
3 Part
3.6 Section
3.6.2 Subsection
3.6.2.3 Article
3.6.2.3.(1) Sentence
3.6.2.3.(1)(f) Clause
3.6.2.3.(1)(f)(i) Sub-Clause
3.4.2.3.(1)(f)(i)(A) Sub-Subclauses
BUILDING CODE ACTInterpretation
1. Definitions
1.1 Role of various persons
2. Administration
3. Enforcement by municipalities
3.1 Enforcement, boards of health
4. Provincial enforcement
4.1 Enforcement by registered code agency appointed
by a principal authority
4.2 Enforcement by registered code agency appointed
by an applicant
BUILDING CODE ACTEnforcement Authorities
5. Agreements re enforcement
6. Agreement re review of plans
6.1 Agreement re plumbing
6.2 Agreement re sewage systems
7. By-laws, resolutions, regulations
7.1 Code of conduct
BUILDING CODE ACTEnforcement Authorities
8. Building permits
9. Repealed
10. Change of use
10.1 Prohibition re sewage systems
10.2 Notice of readiness for inspection
BUILDING CODE ACTConstruction and Demolition Section
11. Occupancy or use after completion
12. Inspection of building site
13. Order not to cover
14. Stop work order
BUILDING CODE ACTConstruction and Demolition Section
15. Repealed
15.1 Municipal property standards
15.2 Inspection of property without warrant
15.3 Appeal of order
15.4 Power of municipality if order not complied with
BUILDING CODE ACTProperty Standards
15.5 Certificate of compliance
15.6 Property standards committee
15.7 Emergency order re dangerous non-
conformity with standards
15.8 Inspection powers of officer
BUILDING CODE ACTProperty Standards
15.9 Inspection of unsafe buildings
15.10 Emergency order where immediate danger
BUILDING CODE ACTUnsafe Buildings
15.10.1. Maintenance inspections
BUILDING CODE ACTMaintenance Inspection Program
15.11 Qualifications for various positions
15.12 Qualifications re sewage systems
15.13 Duty to have insurance
BUILDING CODE ACTQualifications
15.14 Notice to chief building official
15.15 Functions of registered code agencies
15.16 Scope of agency’s powers
15.17 Persons acting on behalf of an agency
15.18 Duties re certificates and orders
BUILDING CODE ACTPowers and Duties of Registered Code Agencies
15.19 Expiry of an agency’s appointment
15.20 Termination of an agency’s appointment
15.21 Order to suspend construction
15.22 Conflict between appointment and Act, etc.
BUILDING CODE ACTPowers and Duties of Registered Code Agencies
15.23 Duty to carry identification
16. Entry to dwellings
17. Repealed
17.1 Recovery of expenditures for repairs, etc.
18. Powers of inspector
BUILDING CODE ACTGeneral Powers of Inspection and Enforcement
18. Powers of inspector
BUILDING CODE ACTGeneral Powers of Inspection and Enforcement
(1)For the purposes of an inspection under this Act, an inspector may,
(a) require the production for inspection of documents or things, including drawings or
specifications, that may be relevant to the building or any part thereof;
(b) inspect and remove documents or things relevant to the building or part thereof for the
purpose of making copies or extracts;
(c) require information from any person concerning a matter related to a building or part
thereof;
(d) be accompanied by a person who has special or expert knowledge in relation to a
building or part thereof;
(e) alone or in conjunction with a person possessing special or expert knowledge, make
examinations or take tests, samples or photographs necessary for the purposes of the
inspection; and
(f) order any person to take and supply at that person’s expense such tests and samples as
are specified in the order. 1992, c. 23, s. 18 (1); 1997, c. 30, Sched. B, s. 11.
18.1 Repealed
19. Obstruction of inspector, etc.
20. Obstruction or removal of order
21.Warrant for entry and search
BUILDING CODE ACTGeneral Powers of Inspection and Enforcement
22. Review of inspector’s order
23. Building Code Commission
24. Dispute resolution
25. Appeal to court
26. Further appeal
27. Service
BUILDING CODE ACTDispute Resolution, Reviews and Appeals
28. Building Materials Evaluation Commission
28.1 Binding interpretations by the Minister (of Municipal
Affairs and Housing)
29. Rulings by Minister
30. Inquiry
BUILDING CODE ACTAuthorizations and Rulings
31. Immunity from action
32. Repealed
32.1 Repealed
33. Repealed
34. Regulations
34.1 Building Code Conservation Advisory Council
35. Municipal by-laws
BUILDING CODE ACTGeneral
35.1 Status of conservation authority regulations
36. Offences
37. Proof of directions, orders, etc.
38. Restraining order
38.1 Suspension of licence
39. Omitted
BUILDING CODE ACTGeneral
OBC OVERVIEWVolume 1Preface
Highlights of Major Changes
Guidelines for Requesting
Changes to the Building Code
Code Amendment History
Building Code Act
Building Code
Division A
Division B
Division C
Index
Pending Amendments
Volume 2Appendix A Explanatory Information
Appendix B Imperial Conversion
Supplementary Standards
SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High
Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of
Anchorage Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code
Agencies
Forms
Part 1: Compliance and General
Part 2: Objectives
Part 3: Functional Statements
DIVISION ACompliance Objectives and Functional Statements
Part 1: Compliance and General
DIVISION ACompliance
1.1. Organization and Application
1.2. Compliance
1.3. Interpretation
1.4. Terms and Abbreviations
1.5. Referenced Documents and Organizations
Part 1: Compliance and General
DIVISION ACompliance
Section 1.2. Compliance
1.2.1. Compliance with Division B
1.2.2. Materials, Appliances, Systems and
Equipment
NOTE: USED MATERIALS
Part 1: Compliance and General
DIVISION ACompliance
Section 1.3. Interpretation
1.3.1. Interpretation
Part 1: Compliance and General
DIVISION ACompliance
Section 1.4. Terms and Abbreviations
1.4.1. Definitions of Words and Phrases
Building area means the greatest horizontal area of a building above grade,
(a) within the outside surface of exterior walls, or
(b) within the outside surface of exterior walls and the centre line of firewalls.
Part 1: Compliance and General
DIVISION ACompliance
Section 1.4. Terms and Abbreviations
1.4.1. Definitions of Words and Phrases
1.4.2. Symbols and Other Abbreviations
Item Column 1 Column 2
Symbol or Abbreviation Meaning
1 1 in 2 slope of 1 vertical to 2 horizontal
2 ASWG American Steel Wire Gage
3 ABS acrylonitrile-butadiene-styrene
4 Bq becquerel(s)
5 CBOD5 the five day carbonaceous biochemical oxygen demand
Part 1: Compliance and General
DIVISION ACompliance
Section 1.5. Referenced Documents and Organizations
1.5.1. Referenced Documents
1.5.2. Organizations
Part 2: Objectives
DIVISION AObjectives
2.1. Application
2.2. Objectives
Part 2: Objectives
DIVISION AObjectives
Section 2.1. Application
Part 2: Objectives
DIVISION AObjectives
Section 2.1. Application
2.1.1. Application
2.1.1.1. Application of Objectives
(1) The objectives set out in Table 2.2.1.1. apply only to the extent that
they relate to compliance with this Code as required in Article 1.2.1.1.
2.2.1. Objectives
2.2.1.1. Objectives
(1) The objectives of this Code shall be those set out in Table 2.2.1.1.
DIVISION AObjectives
Item Column 1 Column 2 Column 3
Category Number Objective
1 Safety OS An objective of this Code is to limit the probability that, as a result of the design or construction of a
building, a person in or adjacent to the building will be exposed to an unacceptable risk of injury.
Safety — Fire Safety OS1 An objective of this Code is to limit the probability that, as a result of the design or construction of a
building, a person in or adjacent to the building will be exposed to an unacceptable risk of injury due
to fire.
OS1.1 An objective of this Code is to limit the probability that, as a result of the design or construction of a
building, a person in or adjacent to the building will be exposed to an unacceptable risk of injury due
to fire caused by a fire or explosion.
OS1.2 An objective of this Code is to limit the probability that, as a result of the design or construction of a
building, a person in or adjacent to the building will be exposed to an unacceptable risk of injury due
to fire caused by fire or explosion impacting areas beyond its point of origin.
OS1.3 An objective of this Code is to limit the probability that, as a result of the design or construction of a
building, a person in or adjacent to the building will be exposed to an unacceptable risk of injury due
to fire caused by the collapse of physical elements due to a fire or explosion.
OS1.4 An objective of this Code is to limit the probability that, as a result of the design or construction of a
building, a person in or adjacent to the building will be exposed to an unacceptable risk of injury due
to fire caused by fire safety systems failing to function as expected.
OS1.5 An objective of this Code is to limit the probability that, as a result of the design or construction of a
building, a person in or adjacent to the building will be exposed to an unacceptable risk of injury due
to fire caused by persons being delayed in or impeded from moving to a safe place during a fire
emergency.
Part 3: Functional Statements
DIVISION AFunctional Statements
3.1. Application
3.1.1. Application of Functional Statements
3.1.1.1. Application of Functional Statements
(1) The functional statements [CDATA[ ]]set out in Table
3.2.1.1. apply only to the extent that they relate to compliance
with this Code as required in Article 1.2.1.1.
Part 3: Functional Statements
DIVISION AFunctional Statements
3.2. Functional Statements
Item Column 1 Column 2
Number Function
1 F01 To minimize the risk of accidental ignition.
F02 To limit the severity and effects of fire or explosions.
F03 To retard the effects of fire on areas beyond its point of origin.
F04 To retard failure or collapse due to the effects of fire.
F05 To retard the effects of fire on emergency egress facilities.
F06 To retard the effects of fire on facilities for notification, suppression and emergency response.
2 F10 To facilitate the timely movement of persons to a safe place in an emergency.
F11 To notify persons, in a timely manner, of the need to take action in an emergency.
F12 To facilitate emergency response.
F13 To notify emergency responders, in a timely manner, of the need to take action in an emergency.
OBC OVERVIEWVolume 1Preface
Highlights of Major Changes
Guidelines for Requesting
Changes to the Building Code
Code Amendment History
Building Code Act
Building Code
Division A
Division B
Division C
Index
Pending Amendments
Volume 2Appendix A Explanatory Information
Appendix B Imperial Conversion
Supplementary Standards
SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High
Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of
Anchorage Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code
Agencies
Forms
Part 1: General
Part 2: Reserved
Part 3: Fire Protection
Part 4: Structural Design
Part 5: Environmental Separation
Part 6: Heating Ventilating and Air Conditioning
Part 7: Plumbing
Part 8: Sewage Systems
Part 9: Housing and Small Buildings
Part 10: Change of Use
Part 11: Renovation
Part 12: Resource Conservation and Environmental Integrity
DIVISION BAcceptable Solutions
Part 1: General
Part 2: Reserved
Part 3: Fire Protection
Part 4: Structural Design
Part 5: Environmental Separation
Part 6: Heating Ventilating and Air Conditioning
Part 7: Plumbing
Part 8: Sewage Systems
Part 9: Housing and Small Buildings
Part 10: Change of Use
Part 11: Renovation
Part 12: Resource Conservation and Environmental Integrity
DIVISION BAcceptable Solutions
Part 1: General
DIVISION BAcceptable Solutions
Section 1.1. General
1.1.1. Application
1.1.2. Climatic Data
1.1.2.1. Climatic and Seismic Design Values
1.1.2.2. Depth of Frost Penetration
Section 1.2.
Reserved
Part 1: General
DIVISION BAcceptable Solutions
Section 1.3. Referenced Documents and Organizations
1.3.1. Referenced DocumentsItem Column 1 Column 2 Column 3 Column 4
Issuing Agency Document Number Title of Document(1)
Code
Reference
1 ACGIH 2013, 28th Edition Industrial Ventilation Manual 6.2.1.1.(1)
6.2.2.4.(1)
2 AISI S201-07 North American Standard for Cold Formed Steel
Framing – Product Data
9.24.1.2.(1
)
3 ANSI A208.1-2009 Particleboard Table
5.10.1.1.
9.23.14.2.(
3)
9.29.9.1.(1
)
9.30.2.2.(1
)
4 ANSI/ASHRAE 62.1-2010 Ventilation for Acceptable Indoor Air Quality 6.2.2.1.(2)
6.2.3.8.(15
)
5 ANSI/ASHRAE/IES
NA
90.1-2010 Energy Standard for Buildings Except Low-Rise
Residential Buildings
6.2.1.1.(1)
Part 1: General
DIVISION BAcceptable Solutions
1.3.2. Abbreviations
Item Column 1 Column 2
Abbreviation Meaning
1 ACGIH American Conference of Governmental Industrial Hygienists
2 AISI American Iron and Steel Institute
3 ANSI American National Standards Institute
4 APHA American Public Health Association
5 ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers
6 ASME The American Society of Mechanical Engineers
7 ASPE American Society of Plumbing Engineers
Part 2: Reserved
DIVISION BAcceptable Solutions
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.1. General
3.2. Building Fire Safety
3.3. Safety Within Floor Areas
3.4. Exits
3.5. Vertical Transportation
3.6. Service Facilities
3.7. Health Requirements
3.8. Barrier-Free Design
3.9. Portable Classrooms
3.10. Self-Service Storage Buildings
3.11. Public Pools
3.12. Public Spas
3.13. Rapid Transit Stations
3.14. Tents and Air-Supported Structures
3.15. Signs
3.16. Shelf and Rack Storage Systems
3.17. Additional Requirements for Existing Buildings
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.1. General
3.2. Building Fire Safety
3.3. Safety Within Floor Areas
3.4. Exits
3.5. Vertical Transportation
3.6. Service Facilities
3.7. Health Requirements
3.8. Barrier-Free Design
3.9. Portable Classrooms
3.10. Self-Service Storage Buildings
3.11. Public Pools
3.12. Public Spas
3.13. Rapid Transit Stations
3.14. Tents and Air-Supported Structures
3.15. Signs
3.16. Shelf and Rack Storage Systems
3.17. Additional Requirements for Existing Buildings
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.1. General
3.1.1. Scope
3.1.2. Classification of Buildings or Parts of
Buildings by Major Occupancy
DIVISION BAcceptable Solutions
Item Column 1 Column 2 Column 3
Group Division Description of Major Occupancies
1 A 1 Assembly occupancies intended for the production and viewing of the
performing arts
2 A 2 Assembly occupancies not elsewhere classified in Group A
3 A 3 Assembly occupancies of the arena type
4 A 4 Assembly occupancies in which occupants are gathered in the open air
5 B 1 Detention occupancies
6 B 2 Care and treatment occupancies
7 B 3 Care occupancies
8 C --- Residential occupancies
9 D --- Business and personal services occupancies
10 E --- Mercantile occupancies
11 F 1 High hazard industrial occupancies
12 F 2 Medium hazard industrial occupancies
13 F 3 Low hazard industrial occupancies
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.1.3. Multiple Occupancy Requirements
DIVISION BAcceptable Solutions
Item Column 1 Col. 2 Col. 3 Col. 4 Col. 5 Col. 6 Col. 7 Col. 8 Col. 9Col. 1
0
Col. 1
1
Col. 1
2Col. 13 Col. 14
Major
Occupancy
Minimum Fire-Resistance Rating of Fire Separation, h (1)
Adjoining Major Occupancy
A-1 A-2 A-3 A-4 B-1 B-2 B-3 C D E F-1 F-2 F-3
1 A-1 N/A 1 1 1 2 2 2 1 1 2 N/A 2 1
2 A-2 1 N/A 1 1 2 2 21(2) 1(3)
2 N/A 2 1
3 A-3 1 1 N/A 1 2 2 2 1 1 2 N/A 2 1
4 A-4 1 1 1 N/A 2 2 2 1 1 2 N/A 2 1
5 B-1 2 2 2 2 N/A 2 2 2 2 2 N/A 2 2
6 B-2 2 2 2 2 2 N/A 1 2 2 2 N/A 2 2
7 B-3 2 2 2 2 2 1 N/A 2 2 2 N/A 2 2
8 C 11(2)
1 1 2 2 2 N/A 12(4)
N/A 2 1
9 D 11(3)
1 1 2 2 2 1 N/A N/A 3 N/A N/A
10 E 2 2 2 2 2 2 22(4)
N/A N/A 3 N/A N/A
11 F-1 N/A N/A N/A N/A N/A N/A N/A N/A 3 3 N/A 2 2
12 F-2 2 2 2 2 2 2 2 2 N/A N/A 2 N/A N/A
13 F-3 1 1 1 1 2 2 2 1 N/A N/A 2 N/A N/A
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.1.4. Combustible Construction
3.1.5. Noncombustible Construction
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.1.6. Reserved
3.1.7. Fire-Resistance Ratings
3.1.8. Fire Separations and Closures
3.1.9. Penetrations in Fire Separations and Fire-
Rated Assemblies
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.1.10. Firewalls
3.1.11. Fire Blocks in Concealed Spaces
3.1.12. Flame-Spread Rating and Smoke Developed
Classification
3.1.13. Interior Finish
3.1.14. Roof Assemblies
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.1.15. Roof Covering
3.1.16. Fabrics
3.1.17. Occupant Load
3.1.18. Drainage and Grades
3.1.19. Above Ground Electrical Conductors
3.1.20. Glass in Guards
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.2. Building Fire Safety
3.2.1. General
3.2.2. Building Size and Construction Relative
to Occupancy
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.2.2. Building Size and Construction Relative to Occupancy
3.2.2.23. Group A, Division 2, Any Height, Any Area, Sprinklered
(1) Except as permitted by Articles 3.2.2.24. to 3.2.2.28., a building classified as
Group A, Division 2 shall conform to Sentence (2).
(2) Except as permitted by Article 3.2.2.16., the building referred to in Sentence (1)
shall be of noncombustible construction, and,
(a) except as permitted by Sentence 3.2.2.7.(1), the building shall be sprinklered,
(b) floor assemblies shall be fire separations with a fire-resistance rating not less
than 2 h,
(c) mezzanines shall have a fire-resistance rating not less 1 h, and
(d) loadbearing walls, columns and arches shall have a fire-resistance rating not
less than that required for the supported assembly.
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.2.3. Spatial Separation and Exposure Protection
DIVISION BAcceptable Solutions
ItemExposing Building
FaceArea of Unprotected Openings for Groups A, C, D, and F, Division 3 Occupancies, %
Maximum
Area, m2
Ratio (L/H
or H/L)(1)
Limiting Distance, m
0 1.2 1.5 2 2.5 3 4 5 6 7 8 9 10 11 12 13 14 16 18 20 25 30 35 40 45 50
1 10 Less than
3:1
0 8 10 18 29 46 91 100
3:1 to 10:1 0 8 12 21 33 50 96 100
over 10:1 0 11 18 32 48 68 100
2 15 Less than
3:1
0 7 9 14 22 33 63 100
3:1 to 10:1 0 8 10 17 25 37 67 100
over 10:1 0 10 15 26 39 53 87 100
3 20 Less than
3:1
0 7 9 12 18 26 49 81 100
3:1 to 10:1 0 8 10 15 21 30 53 85 100
over 10:1 0 9 14 23 33 45 72 100
4 25 Less than
3:1
0 7 8 11 16 23 41 66 98 100
3:1 to 10:1 0 8 9 13 19 26 45 70 100
over 10:1 0 9 13 21 30 39 62 90 100
5 30 Less than
3:1
0 7 8 11 15 20 35 56 83 100
3:1 to 10:1 0 7 9 12 17 23 39 61 88 100
over 10:1 0 8 12 19 27 36 56 79 100
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.2.4. Fire Alarm and Detection Systems
3.2.5. Provisions for Firefighting
3.2.6. Additional Requirements for High Buildings
3.2.7. Lighting and Emergency Power Systems
3.2.8. Mezzanines and Openings through Floor
Assemblies
3.2.9. Standpipe Systems
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.3. Safety Within Floor Areas
3.3.1. All Floor Areas
3.3.2. Assembly Occupancy
3.3.3. Care, Care and Treatment or Detention
Occupancy
3.3.4. Residential Occupancy
3.3.5. Industrial Occupancy
3.3.6. Design of Hazardous Areas
3.4.1. General
3.4.2. Number and Location of Exits from Floor Areas
3.4.3. Width and Height of Exits
3.4.4. Fire Separation of Exits
3.4.5. Exit Signs
3.4.6. Types of Exit Facilities
3.4.7. Fire Escapes
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.4. Exits
3.5.1. General
3.5.2. Elevator Requirements
3.5.3. Fire Separations
3.5.4. Dimensions and Signs
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.5. Vertical Transportation
3.6.1. General
3.6.2. Service Rooms
3.6.3. Vertical Service Spaces and Service Facilities
3.6.4. Horizontal Service Spaces and Service
Facilities
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.6. Service Facilities
3.7.1. Height and Area of Rooms
3.7.2. Windows
3.7.3. Reserved
3.7.4. Plumbing Facilities
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.7. Health Requirements
3.8.1. General
3.8.2. Occupancy Requirements
3.8.3. Design Standards
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.8. Barrier-Free Design
3.9.1. Scope
3.9.2. Interior Finish
3.9.3. Application
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.9. Portable Classrooms
3.10.1. Scope
3.10.2. Requirements for All Buildings
3.10.3. Additional Requirements for Buildings
Containing more than 1 Storey
3.10.4. Additional Requirements for 1 Storey
Buildings
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.10. Self-Service Storage Buildings
3.11.1. General
3.11.2. Designations of Public Pools
3.11.3. Pool and Pool Deck Design and Construction
Requirements for all Class A and Class B
Pools
3.11.4. Public Pools Equipped with Diving Boards or
Diving Platforms
3.11.5. Ramps into Public Pools
3.11.6. Modified Pools
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.11. Public Pools
3.12.1. General
3.12.2. Public Spa and Deck Design and Construction
Requirements
3.12.3. Ramps and Access into Public Spas
3.12.4. Water Circulation for Public Spas
3.12.5. Emergency Provisions for All Public Spas
3.12.6. Service Rooms and Storage for All Public
Spas
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.12. Public Spas
3.13.1. Scope and Definitions
3.13.2. Construction Requirements
3.13.3. Safety Requirements Within Stations
3.13.4. Means of Egress
3.13.5. Fire Safety Provisions
3.13.6. Required Sanitary Facilities
3.13.7. Emergency Ventilation
3.13.8. Barrier-Free Design
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.13. Rapid Transit Stations
3.14.1. Tents
3.14.2. Air-Supported Structures
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.14. Tents and Air-Supported Structures
3.15.1. Scope
3.15.2. Alterations
3.15.3. Structural Requirements
3.15.4. Plastic Sign Facing Materials
3.15.5. Location Restrictions
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.15. Signs
3.16.1. Scope
3.16.2. Storage of Class I, II, III and IV
Commodities
3.16.3. Storage of Group A, B and C Plastics and
Rubber Tires
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.16. Shelf and Rack Storage Systems
3.17.1. Scope
3.17.2. Additional Construction
Part 3: Fire Protection, Occupant Safety and Accessibility
DIVISION BAcceptable Solutions
3.17. Additional Requirements for Existing Buildings
Part 4: Structural Design
DIVISION BAcceptable Solutions
4.1. Structural Loads and Procedures
4.2. Foundations
4.3. Design Requirements for Structural Materials
4.4. Design Requirements for Special Structures
Part 5: Environmental Separation
DIVISION BAcceptable Solutions
5.1. General
5.2. Loads and Procedures
5.3. Heat Transfer
5.4. Air Leakage
5.5. Vapour Diffusion
5.6. Precipitation
5.7. Surface Water
5.8. Moisture in the Ground
5.9. Sound Transmission
5.10. Standards
Part 6: Heating, Ventilating and Air-Conditioning
DIVISION BAcceptable Solutions
6.1. General
6.2. Design and Installation
6.3. Chimneys and Venting Equipment
Part 7: Plumbing
DIVISION BAcceptable Solutions
7.1. General
7.2. Materials and Equipment
7.3. Piping
7.4. Drainage Systems
7.5. Venting Systems
7.6. Potable Water Systems
7.7. Non Potable Water Systems
Part 8: Sewage Systems
DIVISION BAcceptable Solutions
8.1. General
8.2. Design Standards
8.3. Class 1 Sewage Systems
8.4. Class 2 Sewage Systems
8.5. Class 3 Sewage Systems
8.6. Class 4 Sewage Systems
8.7. Leaching Beds
8.8. Class 5 Sewage Systems
8.9. Operation and Maintenance
Part 9: Housing and Small Buildings
DIVISION BAcceptable Solutions
List of Tables
9.1. General
9.2. Reserved
9.3. Materials, Systems and Equipment
9.4. Structural Requirements
9.5. Design of Areas Spaces and Doorways
9.6. Glass
9.7. Windows Doors and Skylights
Part 9: Housing and Small Buildings
DIVISION BAcceptable Solutions
9.8. Stairs Ramps Handrails and Guards
9.9. Means of Egress
9.10. Fire Protection 9.11. Sound Control
9.11. Sound Control
9.12. Excavation
9.13. Dampproofing Waterproofing and Soil Gas Control
9.14. Drainage
9.15. Footings and Foundations
Part 9: Housing and Small Buildings
DIVISION BAcceptable Solutions
9.16. Floors on Ground
9.17. Columns
9.18. Crawl Spaces
9.19. Roof Spaces
9.20. Masonry and Insulating Concrete Form Walls Not in
Contact with the Ground
9.21. Masonry and Concrete Chimneys and Flues
9.22. Fireplaces
Part 9: Housing and Small Buildings
DIVISION BAcceptable Solutions
9.23. Wood Frame Construction
9 24 Sheet Steel Stud Wall Framing
9.25. Heat Transfer Air Leakage and Condensation
Control
9.26. Roofing
9.27 Cladding
9.28. Stucco
9.29. Interior Wall and Ceiling Finishes
Part 9: Housing and Small Buildings
DIVISION BAcceptable Solutions
9.30. Flooring
9.31. Plumbing Facilities
9.32. Ventilation
9.33. Heating and Air Conditioning
9.34. Electrical Facilities
9.35. Garages and Carports
9.36. Cottages
Part 9: Housing and Small Buildings
DIVISION BAcceptable Solutions
9.37. Log Construction
9.38. Park Model Trailers
9.39. Reinforced Concrete Slabs
9.40. Additional Requirements for Change of Use
Part 10: Change of Use
DIVISION BAcceptable Solutions
10.1. General
10.2. Classification of Existing Buildings
10.3. Requirements
10.4. Compliance Alternatives
Part 11: Renovation
DIVISION BAcceptable Solutions
11.1. General
11.2. Classification of Existing Buildings
11.3. Proposed Construction
11.4. Performance Level Evaluation and
Compensating Construction
11.5. Compliance Alternatives
Part 11: Renovation
DIVISION BAcceptable Solutions
Tables
... 11.2.1.1. Construction Index / Hazard Index
... 11.4.3.3. For Evaluation and Upgrading of Early Warning/Evacuation
... 11.4.3.4. Additional Upgrading / Additional Upgrading for Multiple Major Occupancies
... 11.5.1.1.A. Compliance Alternatives for Assembly Occupancies
... 11.5.1.1.B. Compliance Alternatives for Care or Detention Occupancies
... 11.5.1.1.C. Compliance Alternatives for Residential Occupancies
... 11.5.1.1.D/E. Compliance Alternatives for Business/Mercantile Occupancies
... 11.5.1.1.F. Compliance Alternatives for Industrial Occupancies
Part 12: Resource Conservation and Environmental Integrity
DIVISION BAcceptable Solutions
12.1. General
12.2. Energy Efficiency, Carbon Dioxide Equivalents
and Peak Electric Demand
12.3. Energy Efficiency for Buildings of Residential
Occupancy Within the Scope of Part 9
12.4. Water Efficiency
OBC OVERVIEWVolume 1Preface
Highlights of Major Changes
Guidelines for Requesting
Changes to the Building Code
Code Amendment History
Building Code Act
Building Code
Division A
Division B
Division C
Index
Pending Amendments
Volume 2Appendix A Explanatory Information
Appendix B Imperial Conversion
Supplementary Standards
SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High
Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of
Anchorage Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code
Agencies
Forms
1.1. Administration
1.2. Design and General Review
1.3. Permits and Inspections
1.4. Search Warrant
1.5. Designated Persons and Powers
1.6. Prescribed Person
1.7. Enforcement of the Provisions of the Act and this Code Related to
Sewage Systems
1.8. Language
1.9. Fees
1.10. Sewage System Maintenance Inspection Programs
DIVISION CAdministrative Provisions
Part 1: General
1.1. Administration
1.2. Design and General Review
1.3. Permits and Inspections
1.4. Search Warrant
1.5. Designated Persons and Powers
1.6. Prescribed Person
1.7. Enforcement of the Provisions of the Act and this Code Related to
Sewage Systems
1.8. Language
1.9. Fees
1.10. Sewage System Maintenance Inspection Programs
DIVISION CAdministrative Provisions
Part 1: General
DIVISION CAdministrative Provisions
1.2. Design and General Review
Item Column 1 Column 2 Column 3
Building Classification by Major Occupancy Building Description General Review
by:
1 Assembly occupancy only Every building Architect and
professional
engineer(1)
2 Assembly occupancy and any other major occupancy except
industrial
Every building Architect and
professional
engineer(1)
3 Care, care and treatment or detention occupancy only Every building Architect and
professional
engineer(1)
4 Care, care and treatment or detention occupancy and any other
major occupancy except industrial
Every building Architect and
professional
engineer(1)
5 Residential occupancy only Every building that exceeds 3 storeys in building
height
Architect and
professional
engineer(1)
Every building that exceeds 600 m2 in gross area and
that contains a residential occupancy other than a
dwelling unit or dwelling units
Architect(2)
6 Residential occupancy only Every building that exceeds 600 m2 in gross area and
contains a dwelling unit above another dwelling unit
Architect(2)
Every building that exceeds 600 m2 in building area,
contains 3 or more dwelling units and has no
dwelling unit above another dwelling unit
Architect(2)
DIVISION CAdministrative Provisions
1.2. Design and General Review
Item Column 1 Column 2 Column 3
Building Classification by Major Occupancy Building Description General Review
by:
1 Assembly occupancy only Every building Architect and
professional
engineer(1)
2 Assembly occupancy and any other major occupancy except
industrial
Every building Architect and
professional
engineer(1)
3 Care, care and treatment or detention occupancy only Every building Architect and
professional
engineer(1)
4 Care, care and treatment or detention occupancy and any other
major occupancy except industrial
Every building Architect and
professional
engineer(1)
5 Residential occupancy only Every building that exceeds 3 storeys in building
height
Architect and
professional
engineer(1)
Every building that exceeds 600 m2 in gross area and
that contains a residential occupancy other than a
dwelling unit or dwelling units
Architect(2)
6 Residential occupancy only Every building that exceeds 600 m2 in gross area and
contains a dwelling unit above another dwelling unit
Architect(2)
Every building that exceeds 600 m2 in building area,
contains 3 or more dwelling units and has no
dwelling unit above another dwelling unit
Architect(2)
2.1. Alternative Solutions
2.2. Building Code Commission
2.3. Building Materials Evaluation Commission
2.4. Rulings and Interpretations
DIVISION CAdministrative Provisions
Part 2: Alternative solutions, Disputes, rulings
and interpretations
2.1. Alternative Solutions
DIVISION CAdministrative Provisions
Part 2: Alternative solutions, Disputes, rulings and
interpretations
2.1.1. Documentation of Alternative Solutions
2.1.1.1. Documentation
(1) The person proposing the use of an alternative solution shall provide
documentation to the chief building official or registered code agency that,
(a) identifies applicable objectives, functional statements and acceptable solutions,
and
(b) establishes on the basis of past performance, tests described in Article 2.1.1.2. or
other evaluation that the proposed alternative solution will achieve the level of
performance required under Article 1.2.1.1. of Division A.
(2) The documentation described in Sentence (1) shall include information about
relevant assumptions, limiting or restricting factors, testing procedures, studies or
building [CDATA[ ]]performance parameters, including any commissioning,
operational and maintenance requirements.
3.1. Qualifications for Chief Building Officials and Inspectors
3.2. Qualifications for Designers
3.3. Qualifications for Persons Engaged in the Business of
Constructing On Site Installing Repairing Servicing Cleaning
or Emptying Sewage Systems
3.4. Qualifications for Registered Code Agencies
3.5. Classes of Registration and Categories of Qualifications
3.6. Insurance
3.7. Registered Code Agencies
DIVISION CAdministrative Provisions
Part 3: Qualifications
4.1. Transition Rule
DIVISION CAdministrative Provisions
Part 4: Transition, amendments, Revocation
and Commencement
4.1.3. Transition, January 2017
4.1.3.1. Transition Rule
(1) Subject to Sentence (2), Item 337 of Table 1.3.1.2. and Sentence 8.6.2.2.(5) of
Division B of this Regulation, as they read on December 31, 2016, are deemed to
continue in force with respect to construction for which a permit has been applied for
before January 1, 2017.
(2) Sentence (1) does not apply unless the construction is commenced within six months
after the permit is issued.
OBC OVERVIEWVolume 1Preface
Highlights of Major Changes
Guidelines for Requesting
Changes to the Building Code
Code Amendment History
Building Code Act
Building Code
Division A
Division B
Division C
Index
Pending Amendments
Volume 2Appendix A Explanatory Information
Appendix B Imperial Conversion
Supplementary Standards
SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High
Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of
Anchorage Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code
Agencies
Forms
VOLUME 2Appendix A Explanatory Information
This section adds additional information and clarification
for sections found within Part B
OBC OVERVIEWVolume 1Preface
Highlights of Major Changes
Guidelines for Requesting
Changes to the Building Code
Code Amendment History
Building Code Act
Building Code
Division A
Division B
Division C
Index
Pending Amendments
Volume 2Appendix A Explanatory Information
Appendix B Imperial Conversion
Supplementary Standards
SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High
Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of
Anchorage Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code
Agencies
Forms
VOLUME 2Appendix B Imperial Conversion
TO CONVERT TO MULTIPLY BY
cm in 0.3937
cm² in² 0.1550
°C °F 1.8 and add 32
g oz 0.0353
g lb 0.0022
kg lb 2.2046
kg/m² lb/ft² 0.20481
kN lbf 224.81
kPa psi (lbf/in²) 0.14503
psi (lbf/in²) kPa 6.8948
kPa lbf/ft² 20.886
kPa in WG 4
in WG kPa 0.25
kPa mb 10
OBC OVERVIEWVolume 1Preface
Highlights of Major Changes
Guidelines for Requesting
Changes to the Building Code
Code Amendment History
Building Code Act
Building Code
Division A
Division B
Division C
Index
Pending Amendments
Volume 2Appendix A Explanatory Information
Appendix B Imperial Conversion
Supplementary Standards
SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High
Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of
Anchorage Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code
Agencies
Forms
VOLUME 2SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of Anchorage
Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code Agencies
VOLUME 2SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of Anchorage
Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code Agencies
VOLUME 2SB-2 Fire Performance Ratings
• for Part 3 Buildings
• provides fire resistance for membranes
• can be used to determine assemblies
VOLUME 2SB-3 Fire and Sound Performance
• for Part 9 Buildings
• provides fire resistance and STC for assemblies
• can be used as a basic guide
OBC OVERVIEWVolume 1
Preface
Highlights of Major Changes
Guidelines for Requesting
Changes to the Building Code
Code Amendment History
Building Code Act
Building Code
Division A
Division B
Division C
Index
Pending Amendments
Volume 2Appendix A Explanatory Information
Appendix B Imperial Conversion
Supplementary Standards
SA-1 Attribution Tables
SB-1 Climactic and Seismic Data
SB-2 Fire Performance Ratings
SB-3 Fire and Sound Performance
SB-4 Measures for Fire Safety in High
Buildings
SB-5 Approved Sewage Treatment Units
SB-6 Percolation Time and Soil Descriptions
SB-7 Construction Requirements for Guards
SB-8 Design, Construction and Installation of
Anchorage Systems for Fixes Access Ladders
SB-9 Requirements for Soil Gas Control
SB-10 Energy Efficiency Supplement
SB-11 Construction of Farm Buildings
SB-12 Energy Efficiency of Housing
SB-13 Glass in Guards
SC-1 Code of Conduct for Registered Code
Agencies
Forms
VOLUME 2Forms
Application for a Permit to Construct or Demolish
Schedule 1: Designer Information
Schedule 2: Sewage System Installer Information
Order Not to Cover or Enclose
Order to Uncover
Stop Work Order
Order Requiring Tests and Samples
Order to Comply
OBC BASIC ORGANIZATIONNumbering System
NUMBER DESCRIPTION
3 Part
3.6 Section
3.6.2 Subsection
3.6.2.3 Article
3.6.2.3.(1) Sentence
3.6.2.3.(1)(f) Clause
3.6.2.3.(1)(f)(i) Sub-Clause
3.4.2.3.(1)(f)(i)(A) Sub-Subclauses
Example:
OBC WORDINGRules
The Code is structured into a number of RULES that apply
without exception
9.1.1.3. Self-Service Storage Buildings
(1) Self-service storage buildings shall conform to the requirements
in Section 3.10.
Example:
OBC WORDINGAnd
AND
The word “and” found at the end of a second last clause of
a sentence and with multiple clauses means that the
requirements of every Clause apply to the sentence:
3.3.1.17. Guards
(1) Except as provided in Sentence (6) and Articles 3.3.2.8. and
3.3.4.7., a guard not less than 1 070 mm high shall be provided,
(a) around each roof to which access is provided for other than
maintenance,
(b) at openings into smoke shafts referred to in Subsection 3.2.6. that
are less than 1 070 mm above the floor, and(c) at each raised floor, mezzanine, balcony, gallery, interior or
exterior vehicular ramp, and at other locations where the difference
in level is more than 600 mm.
Example:
OBC WORDINGRules and Exceptions
The Code is structured into a number of RULES that apply
without exception. Other times the Code considers a
general RULE, and then EXCEPTIONS as they apply.
3.2.5.13. Automatic Sprinkler Systems
(1) Except as provided by Sentences (2) to (4), an automatic sprinkler
system shall be designed, constructed, installed and tested in
conformance with NFPA 13, “Installation of Sprinkler Systems”.
Example:
OBC WORDINGOr
OR
The word “or” found at the end of a second last clause of a
sentence and with multiple clauses means requirements of
the Sentence is satisfied by any Clause as applied
individually:
(11) A dead end [CDATA[ ]]public corridor is permitted in a
business and personal services occupancy where,
(a) the dead end corridor,
(i) serves an occupant load of not more than 30 persons,
(ii) is not more than 9 m long, and
(iii) is provided with doors having self-closing devices, or
3.3.1.9. Corridors
BREAKSecond Half
OBC Matrix