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

(See Note A-3)

Section 3.1. General

3.1.1. Scope and Definitions

3.1.2. 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. Janitorsâ€™ 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

Quartz 4

Explorer

Division B - Part 3