Section 4 of the Ontario Building Code

Every article in Section 4 of the Ontario Building Code (2012 edition, as amended to 2017), grouped by section. Jump to: 4.1 · 4.2 · 4.3 · 4.4

Section 4.1

• 4.1.1.1. - Scope
• 4.1.1.2. - Reserved
• 4.1.1.3. - Design Requirements
• 4.1.1.4. - Design Basis
• 4.1.2.1. - Loads and Effects
• 4.1.2.2. - Loads Not Listed
• 4.1.3.1. - Definitions
• 4.1.3.2. - Strength and Stability
• 4.1.3.3. - Fatigue
• 4.1.3.4. - Serviceability
• 4.1.3.5. - Deflection
• 4.1.3.6. - Vibration
• 4.1.4.1. - Dead Loads
• 4.1.5.1. - Loads Due to Use of Floors and Roofs
• 4.1.5.2. - Uses Not Stipulated
• 4.1.5.3. - Full and Partial Loading
• 4.1.5.4. - Loads for Occupancy Served
• 4.1.5.5. - Loads on Exterior Areas
• 4.1.5.6. - Loads for Dining Areas
• 4.1.5.7. - More Than One Occupancy
• 4.1.5.8. - Variation with Tributary Area
• 4.1.5.9. - Concentrated Loads
• 4.1.5.10. - Sway Forces in Assembly Occupancies
• 4.1.5.11. - Crane-Supporting Structures and Impact of Machinery and Equipment
• 4.1.5.12. - Bleachers
• 4.1.5.13. - Helicopter Landing Areas
• 4.1.5.14. - Loads on Guards
• 4.1.5.15. - Loads on Vehicle Guardrails
• 4.1.5.16. - Loads on Walls Acting As Guards
• 4.1.5.17. - Firewalls
• 4.1.6.1. - Specified Load Due to Rain or to Snow and Associated Rain
• 4.1.6.2. - Specified Snow Load
• 4.1.6.3. - Full and Partial Loading
• 4.1.6.4. - Specified Rain Load
• 4.1.7.1. - Specified Wind Load
• 4.1.7.2. - Dynamic Effects of Wind
• 4.1.7.3. - Full and Partial Loading
• 4.1.7.4. - Interior Walls and Partitions
• 4.1.8.1. - Analysis
• 4.1.8.2. - Notation
• 4.1.8.3. - General Requirements
• 4.1.8.4. - Site Properties
• 4.1.8.5. - Importance Factor
• 4.1.8.6. - Structural Configuration
• 4.1.8.7. - Methods of Analysis
• 4.1.8.8. - Direction of Loading
• 4.1.8.9. - SFRS Force Reduction Factors, System Overstrength Factors, and General Restrictions
• 4.1.8.10. - Additional System Restrictions
• 4.1.8.11. - Equivalent Static Force Procedure for Structures Satisfying the Conditions of Article 4.1.8.7.
• 4.1.8.12. - Dynamic Analysis Procedure
• 4.1.8.13. - Deflections and Drift Limits
• 4.1.8.14. - Structural Separation
• 4.1.8.15. - Design Provisions
• 4.1.8.16. - Foundation Provisions
• 4.1.8.17. - Site Stability
• 4.1.8.18. - Elements of Structures, Non-structural Components and Equipment

Section 4.2

• 4.2.1.1. - Application
• 4.2.2.1. - Subsurface Investigation
• 4.2.2.2. - Field Review
• 4.2.2.3. - Altered Subsurface Condition
• 4.2.3.1. - Wood
• 4.2.3.2. - Preservation Treatment of Wood
• 4.2.3.3. - Plain and Reinforced Masonry
• 4.2.3.4. - Prevention of Deterioration of Masonry
• 4.2.3.5. - Concrete
• 4.2.3.6. - Protection Against Chemical Attack
• 4.2.3.7. - Steel
• 4.2.3.8. - Steel Piles
• 4.2.3.9. - High Strength Steel Tendons
• 4.2.3.10. - Corrosion of Steel
• 4.2.4.1. - Design Basis
• 4.2.4.2. - Subsurface Investigation
• 4.2.4.3. - Identification
• 4.2.4.4. - Depth of Foundations
• 4.2.4.5. - Sloping Ground
• 4.2.4.6. - Eccentric and Inclined Loads
• 4.2.4.7. - Dynamic Loading
• 4.2.4.8. - Hydrostatic Uplift
• 4.2.4.9. - Groundwater Level Change
• 4.2.4.10. - Permafrost
• 4.2.4.11. - Swelling and Shrinking Soils
• 4.2.4.12. - Expanding and Deteriorating Rock
• 4.2.4.13. - Construction on Fill
• 4.2.4.14. - Structural Design
• 4.2.5.1. - Design of Excavations
• 4.2.5.2. - Excavation Construction
• 4.2.5.3. - Supported Excavations
• 4.2.5.4. - Unsupported Excavations
• 4.2.5.5. - Control of Water Around Excavations
• 4.2.5.6. - Loss of Ground
• 4.2.5.7. - Protection and Maintenance at Excavations
• 4.2.5.8. - Backfilling
• 4.2.6.1. - Design of Shallow Foundations
• 4.2.6.2. - Support of Shallow Foundations
• 4.2.6.3. - Incorrect Placement of Shallow Foundations
• 4.2.6.4. - Damaged Shallow Foundations
• 4.2.7.1. - General
• 4.2.7.2. - Design for Deep Foundations
• 4.2.7.3. - Tolerance in Alignment and Location
• 4.2.7.4. - Incorrect Alignment and Location
• 4.2.7.5. - Installation of Deep Foundations
• 4.2.7.6. - Damaged Deep Foundation Units
• 4.2.8.1. - General
• 4.2.8.2. - Use of Existing Foundations

Section 4.3

• 4.3.1.1. - Design Basis for Wood
• 4.3.1.2. - Glue-Laminated Members
• 4.3.1.3. - Termites
• 4.3.2.1. - Design Basis for Plain and Reinforced Masonry
• 4.3.3.1. - Design Basis for Plain, Reinforced and Prestressed Concrete
• 4.3.4.1. - Design Basis for Structural Steel
• 4.3.4.2. - Design Basis for Cold Formed Steel
• 4.3.4.3. - Steel Building Systems
• 4.3.5.1. - Design Basis for Aluminium
• 4.3.6.1. - Design Basis for Glass

Section 4.4

• 4.4.1.1. - Design Basis for Air-Supported Structures
• 4.4.2.1. - Design Basis for Parking Structures
• 4.4.3.1. - Guards over Retaining Walls
• 4.4.4.1. - Anchor Systems on Building Exterior
• 4.4.5.1. - Liquid Manure Storage Tanks