Division B - Part 3

Division B - Part 3 Fire Protection, Occupant Safety and Accessibility

(See Note A-3)

Section 3.1. General

3.1.1. Scope and Definitions

• 3.1.1.1. Scope
• 3.1.1.2. Defined Words
• 3.1.1.3. Reserved
• 3.1.1.4. Reserved
• 3.1.1.5. Radon
• 3.1.1.6. Building in Flood Plains

3.1.2. Classification of Buildings or Parts of Buildings by Major Occupancy

(See Note A-3.1.2. Use Classification.)

• 3.1.2.1. Classification of Buildings
• 3.1.2.2. Occupancies of the Same Classification
• 3.1.2.3. Arena-Type Buildings
• 3.1.2.4. Police Stations
• 3.1.2.5. Group B, Division 3 Occupancies
• 3.1.2.6. Storage of Combustible Fibres
• 3.1.2.7. Restaurants

3.1.3. Multiple Occupancy Requirements

• 3.1.3.1. Separation of Major Occupancies
• 3.1.3.2. Prohibition of Occupancy Combinations

3.1.4. Combustible Construction

• 3.1.4.1. Combustible Materials Permitted
• 3.1.4.2. Protection of Foamed Plastics
  • (See Note A-3.1.4.2. Protection of Penetrations.)
• 3.1.4.3. Wires and Cables
• 3.1.4.4. Non-metallic Raceways
• 3.1.4.5. Fire-Retardant-Treated Wood
• 3.1.4.6. Heavy Timber Construction Alternative
• 3.1.4.7. Heavy Timber Construction
• 3.1.4.8. Cladding

3.1.5. Noncombustible Construction

• 3.1.5.1. Noncombustible Materials
  • (See Note A-3.1.4.1.(1) Combustible Construction and Materials Permitted.)
• 3.1.5.2. Minor Combustible Components
• 3.1.5.3. Combustible Roofing Materials
• 3.1.5.4. Combustible Windows, Glazing and Skylights
• 3.1.5.5. Combustible Cladding on Exterior Walls
• 3.1.5.6. Combustible Components in Exterior Walls
• 3.1.5.7. Factory-Assembled Panels
• 3.1.5.8. Nailing Elements
• 3.1.5.9. Combustible Millwork
• 3.1.5.10. Combustible Flooring Elements
• 3.1.5.11. Combustible Stairs in Dwelling Units
• 3.1.5.12. Combustible Interior Finishes
• 3.1.5.13. Gypsum Board
• 3.1.5.14. Combustible Insulation
  • (See Notes A-3.1.4.2. Protection of Penetrations. and A-3.1.4.2.(1) Concealed Space.)
• 3.1.5.15. Foamed Plastic Insulation
  • (See Notes A-3.1.4.2. Protection of Penetrations. and A-3.1.4.2.(1) Concealed Space.)
• 3.1.5.16. Combustible Elements in Partitions
• 3.1.5.17. Storage Lockers in Residential Buildings
• 3.1.5.18. Combustible Ducts
• 3.1.5.19. Combustible Piping Materials
• 3.1.5.20. Combustible Plumbing Fixtures
• 3.1.5.21. Wires and Cables
• 3.1.5.22. Combustible Travelling Cables for Elevators
• 3.1.5.23. Non-metallic Raceways
• 3.1.5.24. Wood Decorative Cladding
• 3.1.5.25. Wires in Computer Room Floors
• 3.1.5.26. Combustible Components in Public Pools and Public Spas
• 3.1.5.27. Combustible Mezzanines
• 3.1.5.28. Combustible Solar Collector Systems
• 3.1.5.29. Marquees Having Combustible Elements

3.1.6. Encapsulated Mass Timber Construction

(See Note A-3.1.6. Encapsulated Mass Timber Construction and Materials Permitted.)

• 3.1.6.1. Scope
• 3.1.6.2. Materials Permitted
• 3.1.6.3. Structural Mass Timber Elements
  • (See Note A-3.1.6.3. Structural Mass Timber Elements.)
• 3.1.6.4. Encapsulation of Mass Timber Elements
  • (See Note A-3.1.6.3. Structural Mass Timber Elements.)
• 3.1.6.5. Determination of Encapsulation Ratings
• 3.1.6.6. Encapsulation Materials
  • (See Note A-3.1.6.6. Encapsulation Materials.)
• 3.1.6.7. Combustible Roofing Materials
• 3.1.6.8. Combustible Window Sashes and Frames
• 3.1.6.9. Exterior Cladding
• 3.1.6.10. Combustible Components in Exterior Walls
• 3.1.6.11. Nailing Elements
• 3.1.6.12. Combustible Flooring Elements
• 3.1.6.13. Combustible Stairs
• 3.1.6.14. Combustible Interior Finishes
• 3.1.6.15. Combustible Elements in Partitions
• 3.1.6.16. Exposed Construction Materials and Components in Concealed Spaces
• 3.1.6.17. Penetration by Outlet Boxes

3.1.7. Fire-Resistance Ratings

• 3.1.7.1. Determination of Ratings
• 3.1.7.2. Exception for Exterior Walls
• 3.1.7.3. Exposure Conditions for Rating
• 3.1.7.4. Minimum Fire-Resistance Rating
• 3.1.7.5. Rating of Supporting Construction

3.1.8. Fire Separations and Closures

• 3.1.8.1. General Requirements
• 3.1.8.2. Combustible Construction Support
• 3.1.8.3. Continuity of Fire Separations
• 3.1.8.4. Determination of Ratings and Classifications
• 3.1.8.5. Installation of Closures
• 3.1.8.6. Maximum Openings
• 3.1.8.7. Location of Fire Dampers and Smoke Dampers
• 3.1.8.8. Fire Dampers Waived
• 3.1.8.9. Smoke Dampers Waived
• 3.1.8.10. Installation of Fire Dampers
• 3.1.8.11. Installation of Smoke Dampers
• 3.1.8.12. Twenty-Minute Closures
• 3.1.8.13. Self-Closing Devices
• 3.1.8.14. Hold-Open Devices
• 3.1.8.15. Door Latches
• 3.1.8.16. Wired Glass and Glass Block
• 3.1.8.17. Temperature Rise Limit for Doors
• 3.1.8.18. Area Limits for Wired Glass, Glass Block and Safety Glazing
• 3.1.8.19. Temperature Rise and Area Limits Waived
• 3.1.8.20. Sprinkler Protected Glazed Wall Assembly

3.1.9. Penetrations in Fire Separations and Fire-Rated Assemblies

(See Note A-3.1.9. Penetrations.)

• 3.1.9.1. Firestops
• 3.1.9.2. Service Equipment Penetrations
• 3.1.9.3. Penetration by Outlet Boxes
  • (See Note A-3.1.9.3. Outlet Boxes.) (See also Note A-3.1.9.2.(1) Service Equipment Penetrations.)
• 3.1.9.4. Combustible Piping Penetrations
• 3.1.9.5. Openings Through a Membrane Ceiling
• 3.1.9.6. Plenums

3.1.10. Firewalls

• 3.1.10.1. Prevention of Firewall Collapse
• 3.1.10.2. Rating of Firewalls
• 3.1.10.3. Continuity of Firewalls
• 3.1.10.4. Parapets
• 3.1.10.5. Maximum Openings
• 3.1.10.6. Exposure Protection for Adjacent Walls
• 3.1.10.7. Combustible Projections

3.1.11. Fire Blocks in Concealed Spaces

• 3.1.11.1. Separation of Concealed Spaces
• 3.1.11.2. Fire Blocks in Wall Assemblies
• 3.1.11.3. Fire Blocks Between Nailing and Supporting Elements
• 3.1.11.4. Fire Blocks Between Vertical and Horizontal Spaces
• 3.1.11.5. Fire Blocks in Horizontal Concealed Spaces
• 3.1.11.6. Fire Blocks in Crawl Spaces
• 3.1.11.7. Fire Block Materials

3.1.12. Flame-Spread Rating and Smoke Developed Classification

• 3.1.12.1. Determination of Ratings

3.1.13. Interior Finish

• 3.1.13.1. Interior Finishes, Furnishings and Decorative Materials
• 3.1.13.2. Flame-Spread Rating
• 3.1.13.3. Bathrooms in Residential Suites
• 3.1.13.4. Light Diffusers and Lenses
• 3.1.13.5. Skylights
• 3.1.13.6. Corridors
• 3.1.13.7. High Buildings
• 3.1.13.8. Noncombustible Construction
• 3.1.13.9. Underground Walkways
• 3.1.13.10. Exterior Exit Passageway
• 3.1.13.11. Elevator Cars
• 3.1.13.12. Encapsulated Mass Timber Construction

3.1.14. Roof Assemblies

• 3.1.14.1. Fire-Retardant-Treated Wood Roof Systems
• 3.1.14.2. Metal Roof Deck Assemblies

3.1.15. Roof Covering

• 3.1.15.1. Roof Covering Classification
• 3.1.15.2. Roof Coverings

3.1.16. Fabrics

• 3.1.16.1. Fabric Awnings, Canopies and Marquees

3.1.17. Occupant Load

• 3.1.17.1. Occupant Load Determination
• 3.1.17.2. Public Pools

3.1.18. Reserved

3.1.19. Drainage and Grades

• 3.1.19.1. Drainage

3.1.20. Above Ground Electrical Conductors

• 3.1.20.1. Clearance to Buildings

3.1.21. Glass in Guards

• 3.1.21.1. Glass

Section 3.2. Building Fire Safety

3.2.1. General

• 3.2.1.1. Exceptions in Determining Building Height
• 3.2.1.2. Storage Garage Considered as a Separate Building
• 3.2.1.3. Roof Considered as a Wall
• 3.2.1.4. Floor Assembly Over Basement
• 3.2.1.5. Fire Containment in Basements
• 3.2.1.6. Mezzanines

3.2.2. Building Size and Construction Relative to Occupancy

• 3.2.2.1. Application
• 3.2.2.2. Special and Unusual Structures
• 3.2.2.3. Exceptions to Structural Fire Protection
• 3.2.2.4. Buildings with Multiple Major Occupancies
• 3.2.2.5. Applicable Building Height and Area
• 3.2.2.6. Multiple Major Occupancies
• 3.2.2.7. Superimposed Major Occupancies
• 3.2.2.8. Exceptions for Major Occupancies
• 3.2.2.9. Crawl Spaces
• 3.2.2.10. Streets
• 3.2.2.11. Exterior Balconies
• 3.2.2.12. Exterior Passageways
• 3.2.2.13. Occupancy on Roof
• 3.2.2.14. Rooftop Enclosures
• 3.2.2.15. Storeys Below Ground
• 3.2.2.16. Heavy Timber Roof Permitted
• 3.2.2.17. Roof Assemblies and Mezzanines in Gymnasiums, Swimming Pools, Arenas and Rinks
• 3.2.2.18. Automatic Sprinkler System Required
• 3.2.2.19. Buildings Containing Impeded Egress Zones
• 3.2.2.20. Group A, Division 1, Any Height, Any Area, Sprinklered
• 3.2.2.21. Group A, Division 1, One Storey, Limited Area, Sprinklered
• 3.2.2.22. Group A, Division 1, One Storey, Sprinklered
• 3.2.2.23. Group A, Division 2, Any Height, Any Area, Sprinklered
• 3.2.2.24. Group A, Division 2, up to 6 Storeys, Any Area, Sprinklered
• 3.2.2.25. Group A, Division 2, up to 2 Storeys
• 3.2.2.26. Group A, Division 2, up to 2 Storeys, Increased Area, Sprinklered
• 3.2.2.27. Group A, Division 2, up to 2 Storeys, Sprinklered
• 3.2.2.28. Group A, Division 2, One Storey
• 3.2.2.29. Group A, Division 3, Any Height, Any Area, Sprinklered
• 3.2.2.30. Group A, Division 3, up to 2 Storeys
• 3.2.2.31. Group A, Division 3, up to 2 Storeys, Sprinklered
• 3.2.2.32. Group A, Division 3, One Storey, Increased Area
• 3.2.2.33. Group A, Division 3, One Storey, Sprinklered
• 3.2.2.34. Group A, Division 3, One Storey
• 3.2.2.35. Group A, Division 4
• 3.2.2.36. Group B, Division 1, Any Height, Any Area, Sprinklered
• 3.2.2.37. Group B, Division 1, up to 3 Storeys, Sprinklered
• 3.2.2.38. Group B, Division 2, Any Height, Any Area, Sprinklered
• 3.2.2.39. Group B, Division 2, up to 3 Storeys, Sprinklered
• 3.2.2.40. Group B, Division 2, up to 2 Storeys, Sprinklered
• 3.2.2.41. Group B, Division 2, One Storey, Sprinklered
• 3.2.2.42. Group B, Division 3, Any Height, Any Area, Sprinklered
• 3.2.2.43. Group B, Division 3, Up to 3 Storeys, (Noncombustible), Sprinklered
• 3.2.2.44. Group B, Division 3, Up to 3 Storeys, Sprinklered
• 3.2.2.45. Group B, Division 3, Up to 2 Storeys, Sprinklered
• 3.2.2.46. Group B, Division 3, One Storey, Sprinklered
• 3.2.2.47. Group C, Any Height, Any Area, Sprinklered
• 3.2.2.48. Group C, up to 12 Storeys, Sprinklered, Encapsulated Mass Timber Construction
• 3.2.2.49. Group C, up to 6 Storeys, Sprinklered, Noncombustible Construction
• 3.2.2.50. Group C, up to 4 Storeys, Noncombustible Construction
• 3.2.2.51. Group C, up to 6 Storeys, Sprinklered, Combustible Construction
• 3.2.2.52. Group C, up to 4 Storeys, Sprinklered
• 3.2.2.53. Group C, up to 3 Storeys, Increased Area
• 3.2.2.54. Group C, up to 3 Storeys
• 3.2.2.55. Group C, up to 3 Storeys, Sprinklered
• 3.2.2.55A. Group C, Retirement Home, Any Height, Any Area, Sprinklered
• 3.2.2.55B. Group C, Retirement Home, up to 4 Storeys, Sprinklered, Increased Area
• 3.2.2.55C. Group C, Retirement Home, up to 4 Storeys, Sprinklered
• 3.2.2.55D. Group C, Retirement Home, up to 3 Storeys, Sprinklered, Noncombustible Construction
• 3.2.2.55E. Group C, Retirement Home, up to 3 Storeys, Sprinklered, Combustible Construction
• 3.2.2.56. Group D, Any Height, Any Area, Sprinklered
• 3.2.2.57. Group D, up to 12 Storeys, Sprinklered, Encapsulated Mass Timber Construction
• 3.2.2.58. Group D, up to 6 Storeys
• 3.2.2.59. Group D, up to 6 Storeys, Sprinklered, Noncombustible Construction
• 3.2.2.60. Group D, up to 6 Storeys, Sprinklered
• 3.2.2.61. Group D, up to 4 Storeys, Sprinklered
• 3.2.2.62. Group D, up to 3 Storeys
• 3.2.2.63. Group D, up to 3 Storeys, Sprinklered
• 3.2.2.64. Group D, up to 2 Storeys
• 3.2.2.65. Group D, up to 2 Storeys, Sprinklered
• 3.2.2.66. Group E, Any Height, Any Area, Sprinklered
• 3.2.2.67. Group E, up to 4 Storeys, Sprinklered
• 3.2.2.68. Group E, up to 3 Storeys
• 3.2.2.69. Group E, up to 3 Storeys, Sprinklered
• 3.2.2.70. Group E, up to 2 Storeys
• 3.2.2.71. Group E, up to 2 Storeys, Sprinklered
• 3.2.2.72. Group F, Division 1, up to 4 Storeys, Sprinklered
• 3.2.2.73. Group F, Division 1, up to 3 Storeys, Sprinklered
• 3.2.2.74. Group F, Division 1, up to 2 Storeys, Sprinklered
• 3.2.2.75. Group F, Division 1, One Storey
• 3.2.2.76. Group F, Division 2, Any Height, Any Area, Sprinklered
• 3.2.2.77. Group F, Division 2, up to 4 Storeys, Increased Area, Sprinklered
• 3.2.2.78. Group F, Division 2, up to 3 Storeys
• 3.2.2.79. Group F, Division 2, up to 4 Storeys, Sprinklered
• 3.2.2.80. Group F, Division 2, up to 2 Storeys
• 3.2.2.81. Group F, Division 2, up to 2 Storeys, Sprinklered
• 3.2.2.82. Group F, Division 3, Any Height, Any Area, Sprinklered
• 3.2.2.83. Group F, Division 3, up to 6 Storeys
• 3.2.2.84. Group F, Division 3, up to 6 Storeys, Sprinklered
• 3.2.2.85. Group F, Division 3, up to 4 Storeys
• 3.2.2.86. Group F, Division 3, up to 4 Storeys, Sprinklered
• 3.2.2.87. Group F, Division 3, up to 2 Storeys
• 3.2.2.88. Group F, Division 3, up to 2 Storeys, Sprinklered
• 3.2.2.89. Group F, Division 3, One Storey
• 3.2.2.90. Group F, Division 3, One Storey, Sprinklered
• 3.2.2.91. Group F, Division 3, One Storey, Any Area, Low Fire Load Occupancy
• 3.2.2.92. Group F, Division 3, Storage Garages up to 22 m High
• 3.2.2.93. Encapsulated Mass Timber Construction, Various Occupancies, Heights and Areas, Sprinklered

3.2.3. Spatial Separation and Exposure Protection

(See Note A-3.2.3. Fire Protection Related to Limiting Distance Versus Separation Between Buildings.)

• 3.2.3.1. Limiting Distance and Area of Unprotected Openings
• 3.2.3.2. Area of Exposing Building Face
• 3.2.3.3. Wall Enclosing Attic or Roof Space
• 3.2.3.4. Reserved
• 3.2.3.5. Wall With Limiting Distance Less Than 1.2 m
• 3.2.3.6. Combustible Projections
• 3.2.3.7. Construction of Exposing Building Face
• 3.2.3.8. Protection of Exterior Building Face
• 3.2.3.9. Protection of Structural Members
• 3.2.3.10. Unlimited Unprotected Openings
• 3.2.3.11. Low Fire Load, One Storey Building
• 3.2.3.12. Area Increase for Unprotected Openings
• 3.2.3.13. Protection of Exit Facilities
• 3.2.3.14. Wall Exposed to Another Wall
  • (See Note A-3.2.3.14. Wall Exposed to Another Wall.)
• 3.2.3.15. Wall Exposed to Adjoining Roof
• 3.2.3.16. Protection of Soffits
• 3.2.3.17. Canopy Protection for Vertically Separated Openings
• 3.2.3.18. Covered Vehicular Passageway
• 3.2.3.19. Walkway Between Buildings
• 3.2.3.20. Underground Walkway
• 3.2.3.21. Reserved
• 3.2.3.22. Service Lines Under Buildings

3.2.4. Fire Alarm and Detection Systems

(See Note A-3.2.4. Fire Alarm System.)

• 3.2.4.1. Determination of Requirement for a Fire Alarm System
• 3.2.4.2. Continuity of Fire Alarm System
• 3.2.4.3. Types of Fire Alarm Systems
• 3.2.4.4. Description of Fire Alarm Systems
• 3.2.4.5. Installation and Verification of Fire Alarm Systems
• 3.2.4.6. Silencing of Alarm Signals
• 3.2.4.7. Signals to Fire Department
• 3.2.4.8. Annunciator and Zone Indication
• 3.2.4.9. Electrical Supervision
• 3.2.4.10. Fire Detectors
• 3.2.4.11. Smoke and Heat Detectors
• 3.2.4.12. Prevention of Smoke Circulation
• 3.2.4.13. Vacuum Cleaning System Shutdown
• 3.2.4.14. Elevator Emergency Return
• 3.2.4.15. System Monitoring
• 3.2.4.16. Manual Stations
• 3.2.4.17. Alert and Alarm Signals
• 3.2.4.18. Audibility of Alarm Systems
  • (See Note A-3.2.4.18. Acoustic Measurement and Terminology.)
• 3.2.4.19. Visible Signals
• 3.2.4.20. Smoke Alarms
• 3.2.4.21. Residential Fire Warning Systems
• 3.2.4.22. Two-Way Voice Communication Systems
• 3.2.4.23. One-Way Voice Communication Systems

3.2.5. Provisions for Firefighting

(See Note A-3)

• 3.2.5.1. Access to Above Grade Storeys
• 3.2.5.2. Access to Basements
• 3.2.5.3. Roof Access
• 3.2.5.4. Access Routes
• 3.2.5.5. Location of Access Routes
• 3.2.5.6. Access Route Design
• 3.2.5.7. Water Supply
  • (See Note A-3.2.5.7. Water Supply.)
• 3.2.5.8. Standpipe Systems
• 3.2.5.9. Standpipe System Design
• 3.2.5.10. Hose Connections
• 3.2.5.11. Hose Stations
• 3.2.5.12. Automatic Sprinkler Systems
• 3.2.5.13. Combustible Sprinkler Piping
• 3.2.5.14. Sprinklered Service Space
• 3.2.5.15. Fire Department Connections
• 3.2.5.16. Portable Fire Extinguishers
• 3.2.5.17. Protection from Freezing
• 3.2.5.18. Fire Pumps

3.2.6. Additional Requirements for High Buildings

(See Note A-3.2.6. Smoke Control for High Buildings.)

• 3.2.6.1. Application
• 3.2.6.2. Limits to Smoke Movement
• 3.2.6.3. Connected Buildings
• 3.2.6.4. Emergency Operation of Elevators
• 3.2.6.5. Elevator for Use by Firefighters
• 3.2.6.6. Venting to Aid Firefighting
• 3.2.6.7. Central Alarm and Control Facility
• 3.2.6.8. Voice Communication System
• 3.2.6.9. Testing

3.2.7. Lighting and Emergency Power Systems

• 3.2.7.1. Minimum Lighting Requirements
• 3.2.7.2. Recessed Lighting Fixtures
• 3.2.7.3. Emergency Lighting
• 3.2.7.4. Emergency Power for Lighting
• 3.2.7.5. Emergency Power Supply Installation
• 3.2.7.6. Emergency Power for Hospitals
• 3.2.7.7. Fuel Supply Shut-Off Valves and Exhaust Pipes
• 3.2.7.8. Emergency Power for Fire Alarm Systems
• 3.2.7.9. Emergency Power for Building Services
• 3.2.7.10. Protection of Electrical Conductors

3.2.8. Mezzanines and Openings Through Floor Assemblies

• 3.2.8.1. Application
• 3.2.8.2. Exceptions to Special Protection
• 3.2.8.3. Sprinklers
• 3.2.8.4. Vestibules
• 3.2.8.5. Protected Floor Space
• 3.2.8.6. Draft Stops
• 3.2.8.7. Mechanical Exhaust System
• 3.2.8.8. Combustible Content Limits

3.2.9. Testing of Integrated Fire Protection and Life Safety Systems

• 3.2.9.1. Testing

Section 3.3. Safety Within Floor Areas

(See Note A-3.3. Safety Within Floor Areas.)

3.3.1. All Floor Areas

• 3.3.1.1. Separation of Suites
• 3.3.1.2. Hazardous Substances, Equipment and Processes
• 3.3.1.3. Means of Egress
• 3.3.1.4. Public Corridor Separations
• 3.3.1.5. Egress Doorways
• 3.3.1.6. Travel Distance
• 3.3.1.7. Protection on Floor Areas with a Barrier-Free Path of Travel
• 3.3.1.8. Headroom and Protruding Objects
• 3.3.1.9. Corridors
• 3.3.1.10. Aisles
• 3.3.1.11. Door Swing
• 3.3.1.12. Sliding Doors
• 3.3.1.13. Doors and Door Hardware
  • (See also Sentence 3.8.3.6.(17))
• 3.3.1.14. Ramps and Stairways
• 3.3.1.15. Exterior Passageways
• 3.3.1.16. Tapered Treads in a Curved Flight
• 3.3.1.17. Capacity of Access to Exits
  • (See Article 3.3.1.9. for minimum widths of corridors.)
• 3.3.1.18. Guards
• 3.3.1.19. Tactile Walking Surface Indicators
• 3.3.1.20. Transparent Doors and Panels
• 3.3.1.21. Exhaust Ventilation and Explosion Venting
• 3.3.1.22. Janitors’ Rooms
• 3.3.1.23. Common Laundry Rooms
• 3.3.1.24. Obstructions
• 3.3.1.25. Signs in Service Spaces
• 3.3.1.26. Welding and Cutting

3.3.2. Assembly Occupancy

• 3.3.2.1. Scope
• 3.3.2.2. Fire Separations
• 3.3.2.3. Reserved
• 3.3.2.4. Fixed Seats
• 3.3.2.5. Aisles
• 3.3.2.6. Corridors
• 3.3.2.7. Doors
• 3.3.2.8. Fixed Bench-Type Seats Without Arms
• 3.3.2.9. Guards
• 3.3.2.10. Handrails in Aisles with Steps
  • (See Note A-3.3.2.10. Installation Configurations of Handrails in Aisles with Steps.)
• 3.3.2.11. Outdoor Places of Assembly
• 3.3.2.12. Bleachers
• 3.3.2.13. Libraries
• 3.3.2.14. Stages for Theatrical Performances
• 3.3.2.15. Risers for Stairs
• 3.3.2.16. Storage Rooms
• 3.3.2.17. Safety Glazing

3.3.3. Care, Care and Treatment or Detention Occupancy

• 3.3.3.1. Scope
• 3.3.3.2. Fire Separations
• 3.3.3.3. Corridors
• 3.3.3.4. Doorway Width
• 3.3.3.5. Hospitals and Long-Term Care Homes
• 3.3.3.6. Protection for Special Care and Treatment Facilities
• 3.3.3.7. Contained Use Areas
• 3.3.3.8. Handrails

3.3.4. Residential Occupancy

• 3.3.4.1. Scope
• 3.3.4.2. Fire Separations
• 3.3.4.3. Storage Rooms
• 3.3.4.4. Egress from Dwelling Units
• 3.3.4.5. Automatic Locking Prohibition
• 3.3.4.6. Sound Transmission
• 3.3.4.7. Stairs, Ramps, Landings, Handrails and Guards for Dwelling Units
• 3.3.4.8. Protection of Openable Windows
• 3.3.4.9. Stud Wall Reinforcement
• 3.3.4.10. Resistance to Forced Entry
• 3.3.4.11. Retirement Homes

3.3.5. Industrial Occupancy

• 3.3.5.1. Scope
• 3.3.5.2. Fire Extinguishing Systems
• 3.3.5.3. Basements
• 3.3.5.4. Repair and Storage Garages
  • (See Note A-3.3.5.4. Electrical Wiring and Appliances.)
• 3.3.5.5. Repair Garage Separation
• 3.3.5.6. Storage Garage Separation
• 3.3.5.7. Vestibules
• 3.3.5.8. Reserved
• 3.3.5.9. Reserved
• 3.3.5.10. Guards
• 3.3.5.11. Toe-Boards Required

3.3.6. Design of Hazardous Areas

• 3.3.6.1. Application
• 3.3.6.2. Storage of Dangerous Goods
• 3.3.6.3. Indoor Storage of Compressed Gases
• 3.3.6.4. Storage and Dispensing Rooms for Flammable Liquids and Combustible Liquids
• 3.3.6.5. Tire Storage
• 3.3.6.6. Ammonium Nitrate Storage
• 3.3.6.7. Flooring Materials
• 3.3.6.8. Fire Separations in Process Plants
• 3.3.6.9. Basements and Pits

Section 3.4. Exits

3.4.1. General

• 3.4.1.1. Scope
• 3.4.1.2. Separation of Exits
• 3.4.1.3. Access to Exits
• 3.4.1.4. Types of Exit
• 3.4.1.5. Exterior Exit Passageways
• 3.4.1.6. Restricted Use of Horizontal Exits
• 3.4.1.7. Slide Escapes
• 3.4.1.8. Transparent Doors and Panels
• 3.4.1.9. Mirrors Near Exits
• 3.4.1.10. Combustible Glazing in Exits
• 3.4.1.11. Exterior Stairway for Long-Term Care Homes

3.4.2. Number and Location of Exits from Floor Areas

• 3.4.2.1. Minimum Number of Exits
• 3.4.2.2. Means of Egress from Mezzanines
• 3.4.2.3. Distance Between Exits
• 3.4.2.4. Travel Distance
• 3.4.2.5. Location of Exits
• 3.4.2.6. Principal Entrance

3.4.3. Width and Height of Exits

• 3.4.3.1. Exit Width Based on Occupant Load
• 3.4.3.2. Exit Width
• 3.4.3.3. Exit Width Reduction
• 3.4.3.4. Headroom Clearance
  • (See Note 3.4.3.4.)

3.4.4. Fire Separation of Exits

• 3.4.4.1. Fire-Resistance Rating of Exit Separations
• 3.4.4.2. Exits Through Lobbies
• 3.4.4.3. Exterior Passageway Exceptions
• 3.4.4.4. Integrity of Exits

3.4.5. Exit Signs

• 3.4.5.1. Exit Signage
• 3.4.5.2. Exit Signs with Tactile Information
• 3.4.5.3. Signs for Stairs and Ramps at Exit Level

3.4.6. Types of Exit Facilities

(See Note A-3.4.6. Application to Means of Egress.)

• 3.4.6.1. Surface Finish of Ramps and Stairs
• 3.4.6.2. Minimum Number of Risers
• 3.4.6.3. Maximum Vertical Rise of Stair Flights and Required Landings
• 3.4.6.4. Dimensions of Landings
  • (See Note A-3.4.6.4. Dimensions of Landings.)
• 3.4.6.5. Handrails
• 3.4.6.6. Guards
• 3.4.6.7. Ramp Slope
  • (See also Article 3.8.3.5.)
• 3.4.6.8. Treads and Risers
  • (See Note A-9.8.4. Stair Treads.)
• 3.4.6.9. Curved Flights in Exits
• 3.4.6.10. Horizontal Exits
• 3.4.6.11. Doors
  • (See also Sentence 3.8.3.6.(17))
• 3.4.6.12. Direction of Door Swing
• 3.4.6.13. Self-Closing Devices
• 3.4.6.14. Sliding Doors
• 3.4.6.15. Revolving Doors
• 3.4.6.16. Door Release Hardware
• 3.4.6.17. Reserved
• 3.4.6.18. Emergency Crossover Access to Floor Areas
• 3.4.6.19. Floor Numbering and Identification of Stair Shafts

3.4.7. Fire Escapes

• 3.4.7.1. Scope
• 3.4.7.2. Fire Escape Construction
• 3.4.7.3. Access to Fire Escapes
• 3.4.7.4. Protection of Fire Escapes
• 3.4.7.5. Stairs
• 3.4.7.6. Guards and Railings
• 3.4.7.7. Landings

Section 3.5. Vertical Transportation

3.5.1. General

• 3.5.1.1. Scope

3.5.2. Elevator Requirements

• 3.5.2.1. Required Elevator
• 3.5.2.2. Barrier-Free Design

3.5.3. Fire Separations

• 3.5.3.1. Fire Separations for Elevator Hoistways
• 3.5.3.2. Vertical Service Spaces for Dumbwaiters
• 3.5.3.3. Fire Separations for Elevator Machine Rooms

3.5.4. Dimensions and Signs

• 3.5.4.1. Elevator Car Dimensions

Section 3.6. Service Facilities

3.6.1. General

• 3.6.1.1. Scope
• 3.6.1.2. Reserved
• 3.6.1.3. Reserved
• 3.6.1.4. Storage Use Prohibition
• 3.6.1.5. Appliances Installed Outside a Building
• 3.6.1.6. Fixed Access Ladders

3.6.2. Service Rooms

• 3.6.2.1. Fire Separations Around Service Rooms
• 3.6.2.2. Service Rooms Under Exits
• 3.6.2.3. Service Equipment
• 3.6.2.4. Incinerator Rooms
• 3.6.2.5. Storage of Combustible Refuse and Recycling
• 3.6.2.6. Door Swing for Service Rooms
• 3.6.2.7. Electrical Equipment Vaults
• 3.6.2.8. Emergency Power Installations
• 3.6.2.9. Storage of Oxygen Containers

3.6.3. Vertical Service Spaces and Service Facilities

• 3.6.3.1. Fire Separations for Vertical Service Spaces
• 3.6.3.2. Foamed Plastic Protection
• 3.6.3.3. Linen and Refuse Chutes
• 3.6.3.4. Exhaust Duct Negative Pressure
• 3.6.3.5. Grease Duct Enclosures
  • (See Note A- 3.6.3.5.)

3.6.4. Horizontal Service Spaces and Service Facilities

• 3.6.4.1. Scope
• 3.6.4.2. Fire Separations for Horizontal Service Spaces
• 3.6.4.3. Plenum Requirements
• 3.6.4.4. Attic or Roof Space Access
• 3.6.4.5. Horizontal Service Space Access
• 3.6.4.6. Crawl Space Access

3.6.5. Air Duct and Plenum Systems

• 3.6.5.1. Duct Materials
• 3.6.5.2. Vibration Isolation Connectors
• 3.6.5.3. Tape
• 3.6.5.4. Coverings, Linings, Adhesives and Insulation
• 3.6.5.5. Insulation and Coverings
• 3.6.5.6. Clearance of Ducts and Plenums
• 3.6.5.7. Supply, Return, Intake and Exhaust-Air Openings
• 3.6.5.8. Return-Air System

Section 3.7. Health Requirements

3.7.1. Height and Area of Rooms

• 3.7.1.1. Room and Space Height
• 3.7.1.2. Residential Room Dimensions
• 3.7.1.3. Sleeping Areas in Group B and Child Care Facilities
• 3.7.1.4. Sleeping Areas in Camps

3.7.2. Windows

• 3.7.2.1. Window Areas

3.7.3. Reserved

3.7.4. Plumbing Facilities

• 3.7.4.1. Plumbing and Drainage Systems
• 3.7.4.2. Plumbing Fixtures, General
• 3.7.4.3. Plumbing Fixtures for Assembly Occupancies
• 3.7.4.4. Plumbing Fixtures for Care, Care and Treatment or Detention Occupancies
• 3.7.4.5. Plumbing Facilities for Dwelling Units
• 3.7.4.6. Plumbing Fixtures for Other Residential Occupancies
• 3.7.4.7. Plumbing Fixtures for Business and Personal Services Occupancies
• 3.7.4.8. Plumbing Fixtures for Mercantile Occupancies
• 3.7.4.9. Plumbing Fixtures for Industrial Occupancies
• 3.7.4.10. Glazing
• 3.7.4.11. Surface Protection
• 3.7.4.12. Floor Drains
• 3.7.4.13. Grab Bar Installation
• 3.7.4.14. Clearances for Water Closets
• 3.7.4.15. Privacy
• 3.7.4.16. Water Temperature Control
• 3.7.4.17. Drinking Water
• 3.7.4.18. Pharmacies
• 3.7.4.19. Plumbing Fixtures for Mobile Home Facilities

3.7.5. Health Care Facility Systems

• 3.7.5.1. Electrical Systems
• 3.7.5.2. Medical Gas Piping
• 3.7.5.3. Shielding of X-Ray Equipment

3.7.6. Food Premises

• 3.7.6.1. Application
• 3.7.6.2. Room Finishes
• 3.7.6.3. Location of Plumbing Fixtures
• 3.7.6.4. Lavatories, Appliances and Sinks
• 3.7.6.5. Hot and Cold Water Supply
• 3.7.6.6. Employee Facilities
• 3.7.6.7. Sleeping Quarters

Section 3.8. Barrier-Free Design

(See Note 3.8.)

3.8.1. General

• 3.8.1.1. Application
  • (See Note A-3.8. Barrier-Free Design Assumptions.)
• 3.8.1.2. Entrances
  • (See Note A-3.8.1.2. Barrier-Free Entrances.)
• 3.8.1.3. Barrier-Free Path of Travel
• 3.8.1.4. Escalators and Moving Walks
• 3.8.1.5. Controls
• 3.8.1.6. Illumination

3.8.2. Occupancy Requirements

• 3.8.2.1. Areas Requiring Barrier-Free Path of Travel
• 3.8.2.2. Barrier-Free Paths of Travel to Building Entrances, Exterior Passenger Loading Zones, and Access to Parking Areas
  • (See Note A-3.8.2.2. Parking Areas.)
• 3.8.2.3. Washrooms Required to be Barrier-Free
  • (See Note A-3.8. Barrier-Free Design Assumptions.2.3.)
• 3.8.2.4. Hotels

3.8.3. Design Standards

• 3.8.3.1. Accessibility Signs
  • (See Note A-3.8.3.1. Accessibility Signs.)
• 3.8.3.2. Exterior Walks
• 3.8.3.3. Doorways and Doors
• 3.8.3.4. Ramps
• 3.8.3.5. Passenger Elevating Devices
• 3.8.3.6. Wheelchair Spaces and Adaptable Seating
• 3.8.3.7. Assistive Listening Systems
• 3.8.3.8. Water Closet Stalls and Enclosures
• 3.8.3.9. Water Closets
  • (See Note A-3.8.3.9. Water Closets.)
• 3.8.3.10. Urinals
  • (See Note A-3.8.3.10. Barrier-Free Urinals.)
• 3.8.3.11. Lavatories, Mirrors and Washroom Accessories
  • (See Note A-3.8.3.11. Washroom Accessories.)
• 3.8.3.12. Universal Washrooms
• 3.8.3.13. Showers and Bathtubs
• 3.8.3.14. Service Counters
• 3.8.3.15. Shelves or Counters for Telephones
  • (See Note A-3.8. Barrier-Free Design Assumptions.3.15.)
• 3.8.3.16. Drinking Fountains
  • (See Note A-3.8.3.16. Drinking Fountains.)
• 3.8.3.16A. Water-Bottle Filling Stations
• 3.8.3.17. Platforms
• 3.8.3.18. Tactile Attention Indicators

Section 3.9. Portable Classrooms

3.9.1. Scope

• 3.9.1.1. Application
• 3.9.1.2. Heating Systems

3.9.2. Interior Finish

• 3.9.2.1. Flame-Spread Ratings

3.9.3. Application

(See Note A-3.9.3. Portable Classrooms.)

• 3.9.3.1. Building Areas
• 3.9.3.2. Spatial Separations
• 3.9.3.3. Fire Alarm Systems
• 3.9.3.4. Provisions for Firefighting
• 3.9.3.5. Portable Fire Extinguishers
• 3.9.3.6. Means of Egress
• 3.9.3.7. Fuel-Fired Appliances
• 3.9.3.8. Washroom Facilities
• 3.9.3.9. Barrier-Free Access

Section 3.10. Self-Service Storage Buildings

3.10.1. Scope

• 3.10.1.1. Application

3.10.2. Requirements for All Buildings

• 3.10.2.1. Occupancy Classification
• 3.10.2.2. Occupant Load
• 3.10.2.3. Structural Fire Protection
• 3.10.2.4. Safety Requirements Within Floor Areas
• 3.10.2.5. Exit Requirements
• 3.10.2.6. Service Facilities
• 3.10.2.7. Sanitary Facilities

3.10.3. Additional Requirements for Buildings Containing More than 1 Storey

• 3.10.3.1. Application
• 3.10.3.2. Spatial Separations
• 3.10.3.3. Fire Alarm Systems
• 3.10.3.4. Provisions for Firefighting
• 3.10.3.5. Standpipe Systems

3.10.4. Additional Requirements for 1 Storey Buildings

• 3.10.4.1. Application
• 3.10.4.2. Building Area
• 3.10.4.3. Spatial Separations
• 3.10.4.4. Fire Alarm Systems
• 3.10.4.5. Provisions for Firefighting

Section 3.11. Public Pools

3.11.1. General

• 3.11.1.1. Application

3.11.2. Designations of Public Pools

• 3.11.2.1. Pool Designations

3.11.3. Pool and Pool Deck Design and Construction Requirements for All Class A and Class B Pools

• 3.11.3.1. Construction Requirements
• 3.11.3.2. Barrier-Free Path of Travel for Outdoor Pool Deck
• 3.11.3.3. Access into Public Pools

3.11.4. Public Pools Equipped with Diving Boards or Diving Platforms

• 3.11.4.1. Diving Boards or Platforms

3.11.5. Ramps into Public Pools

• 3.11.5.1. Ramps into Public Pools
• 3.11.5.2. Public Pools in Group B, Division 2 or 3 Major Occupancies

3.11.6. Modified Pools

• 3.11.6.1. Construction Requirements

3.11.7. Wave Action Pools

• 3.11.7.1. Construction Requirements

3.11.8. Recirculation for Public Pools

• 3.11.8.1. Recirculation Systems

3.11.9. Dressing Rooms, Locker Facilities and Plumbing Facilities for All Public Pools

• 3.11.9.1. Dressing Rooms and Sanitary Facilities

3.11.10. Emergency Provisions for All Public Pools

• 3.11.10.1. Lighting and Emergency Provisions

3.11.11. Service Rooms and Storage for All Public Pools

• 3.11.11.1. Service Rooms and Storage Facilities

Section 3.12. Public Spas

3.12.1. General

• 3.12.1.1. Application

3.12.2. Public Spa and Deck Design and Construction Requirements

• 3.12.2.1. Construction Requirements

3.12.3. Ramps and Access into Public Spas

• 3.12.3.1. Ramps into Public Spas
• 3.12.3.2. Access into Public Spas

3.12.4. Water Circulation for Public Spas

• 3.12.4.1. Water Circulation Systems

3.12.5. Emergency Provisions for All Public Spas

• 3.12.5.1. Lighting and Emergency Provisions

3.12.6. Service Rooms and Storage for All Public Spas

• 3.12.6.1. Service Rooms and Storage Facilities

Section 3.13. Rapid Transit Stations

3.13.1. Scope and Definitions

• 3.13.1.1. Scope
• 3.13.1.2. Definitions

3.13.2. Construction Requirements

• 3.13.2.1. Requirements for Stations

3.13.3. Safety Requirements Within Stations

• 3.13.3.1. Application
• 3.13.3.2. Booths and Kiosks
• 3.13.3.3. Service Rooms and Ancillary Spaces
• 3.13.3.4. Leased Areas
• 3.13.3.5. Vehicle Terminal
• 3.13.3.6. Access to Adjacent Building
• 3.13.3.7. Emergency Lighting
• 3.13.3.8. Guards for Rapid Transit Stations

3.13.4. Means of Egress

• 3.13.4.1. Occupant Load
• 3.13.4.2. General Requirements
• 3.13.4.3. Number and Location of Means of Egress
• 3.13.4.4. Egress Capacity
• 3.13.4.5. Width of Means of Egress
• 3.13.4.6. Egress Facilities

3.13.5. Fire Safety Provisions

• 3.13.5.1. Fire Alarm System
• 3.13.5.2. Exceptions
• 3.13.5.3. Fire Detectors
• 3.13.5.4. Central Supervising Station
• 3.13.5.5. Annunciators
• 3.13.5.6. Annunciator Indication
• 3.13.5.7. Emergency Power
• 3.13.5.8. Communication Systems
• 3.13.5.9. Emergency Reporting Devices
• 3.13.5.10. Sprinkler Systems
• 3.13.5.11. Standpipe and Hose Systems

3.13.6. Required Sanitary Facilities

• 3.13.6.1. Application
• 3.13.6.2. Washrooms Required

3.13.7. Emergency Ventilation

• 3.13.7.1. Application

3.13.8. Barrier-Free Design

• 3.13.8.1. Application
• 3.13.8.2. Exception
• 3.13.8.3. Elevator Requirements
• 3.13.8.4. Emergency Operation of Elevators
• 3.13.8.5. Washrooms Required to be Barrier-Free

Section 3.14. Tents and Air-Supported Structures

(See Note A-3.14. Tents and Air-Supported Structures.)

3.14.1. Tents

• 3.14.1.1. Application
• 3.14.1.2. General
• 3.14.1.3. Means of Egress
• 3.14.1.4. Clearance to Other Structures
• 3.14.1.5. Clearances to Flammable Material
• 3.14.1.6. Flame Resistance
• 3.14.1.7. Bleachers
• 3.14.1.8. Sanitary Facilities
• 3.14.1.9. Provision for Firefighting
• 3.14.1.10. Electrical Systems

3.14.2. Air-Supported Structures

• 3.14.2.1. Application
• 3.14.2.2. General
• 3.14.2.3. Spatial Separation
• 3.14.2.4. Clearances to Flammable Material
• 3.14.2.5. Flame Resistance
• 3.14.2.6. Emergency Air Supply
• 3.14.2.7. Electrical Systems

Section 3.15. Signs

3.15.1. Scope

• 3.15.1.1. Application
• 3.15.1.2. Exceptions

3.15.2. Alterations

• 3.15.2.1. Exceptions for Alterations

3.15.3. Structural Requirements

• 3.15.3.1. Structural Design

3.15.4. Plastic Sign Facing Materials

• 3.15.4.1. Combustible Sign Faces

3.15.5. Location Restrictions

• 3.15.5.1. Obstructions not Permitted
• 3.15.5.2. Clearance for Exterior Signs

Section 3.16. Shelf and Rack Storage Systems

3.16.1. Scope

• 3.16.1.1. Application
• 3.16.1.2. General
• 3.16.1.3. Construction
• 3.16.1.4. Signs
• 3.16.1.5. Lighting
• 3.16.1.6. Sprinkler System
• 3.16.1.7. Exits and Means of Egress

3.16.2. Storage of Class I, II, III and IV Commodities

• 3.16.2.1. Application
• 3.16.2.2. Construction

3.16.3. Storage of Group A, B and C Plastics and Rubber Tires

• 3.16.3.1. Application
• 3.16.3.2. Construction

Section 3.17. Demountable Stages and Demountable Support Structures

3.17.1. Scope

• 3.17.1.1. Application

3.17.2. Construction

• 3.17.2.1. Occupant Load
• 3.17.2.2. Means of Egress
• 3.17.2.3. Guards
• 3.17.2.4. Clearance to Other Structures
• 3.17.2.5. Flame Resistance
• 3.17.2.6. Provision for Firefighting
• 3.17.2.7. Electrical Systems
• 3.17.2.8. Structural Provisions
• 3.17.2.9. Barrier-Free Design

Section 3.18. Additional Requirements for Existing Buildings

3.18.1. Scope

• 3.18.1.1. Application

3.18.2. Additional Construction

• 3.18.2.1. Change of Use and Compensating Construction
• 3.18.2.2. Performance Level and Compensating Construction