Part 3 - Fire Protection, Occupant Safety and Accessibility (See Note A-3)

3.1. General 3.1.1. Scope and Definitions .................................................. 3 3.1.2. Classification of Buildings or Parts of Buildings by Major Occupancy .................................................... 4 3.1.3. Multiple Occupancy Requirements ............................ 5 3.1.4. Combustible Construction .......................................... 7 3.1.5. Noncombustible Construction .................................... 10 3.1.6. Encapsulated Mass Timber Construction ................. 20 3.1.7. Fire-Resistance Ratings .............................................. 26 3.1.8. Fire Separations and Closures ................................... 27 3.1.9. Penetrations in Fire Separations and Fire-Rated Assemblies ................................................................... 35 3.1.10. Firewalls ........................................................................ 38 3.1.11. Fire Blocks in Concealed Spaces ............................... 39 3.1.12. Flame-Spread Rating and Smoke Developed Classification ................................................................ 42 3.1.13. Interior Finish ............................................................... 43 3.1.14. Roof Assemblies .......................................................... 47 3.1.15. Roof Covering ............................................................... 47 3.1.16. Fabrics ........................................................................... 48 3.1.17. Occupant Load ............................................................. 48 3.1.18. Reserved ....................................................................... 50 3.1.19. Drainage and Grades ................................................... 50 3.1.20. Above Ground Electrical Conductors ........................ 50 3.1.21. Glass in Guards ............................................................ 51

3.5. Vertical Transportation 3.5.1. General .......................................................................... 176 3.5.2. Elevator Requirements ................................................ 176 3.5.3. Fire Separations ........................................................... 176 3.5.4. Dimensions and Signs ................................................ 177

3.6. Service Facilities 3.6.1. General .......................................................................... 178 3.6.2. Service Rooms ............................................................. 178 3.6.3. Vertical Service Spaces and Service Facilities ......... 182 3.6.4. Horizontal Service Spaces and Service Facilities .... 184 3.6.5. Air Duct and Plenum Systems .................................... 185

3.2. Building Fire Safety 3.2.1. General .......................................................................... 51 3.2.2. Building Size and Construction Relative to Occupancy .................................................................... 53 3.2.3. Spatial Separation and Exposure Protection ............ 86 3.2.4. Fire Alarm and Detection Systems ............................. 98 3.2.5. Provisions for Firefighting .......................................... 109 3.2.6. Additional Requirements for High Buildings ............ 115 3.2.7. Lighting and Emergency Power Systems .................. 119 3.2.8. Mezzanines and Openings Through Floor Assemblies ................................................................... 123 3.2.9. Testing of Integrated Fire Protection and Life Safety Systems………………………………………....... 125

3.7. Health Requirements 3.7.1. Height and Area of Rooms .......................................... 188 3.7.2. Windows ....................................................................... 189 3.7.3. Reserved ....................................................................... 189 3.7.4. Plumbing Facilities ...................................................... 189 3.7.5. Health Care Facility Systems ...................................... 200 3.7.6. Food Premises ............................................................. 200

3.8. Barrier-Free Design 3.8.1. General .......................................................................... 202 3.8.2. Occupancy Requirements........................................... 204 3.8.3. Design Standards ........................................................ 208

3.3. Safety Within Floor Areas 3.3.2. Assembly Occupancy .................................................. 136 3.3.3. Care, Care and Treatment or Detention Occupancy .................................................................... 144 3.3.4. Residential Occupancy ............................................... 147 3.3.5. Industrial Occupancy .................................................. 151 3.3.6. Design of Hazardous Areas ........................................ 153

3.3.1. All Floor Areas .............................................................. 126 3.4. Exits 3.4.1. General .......................................................................... 155 3.4.2. Number and Location of Exits from Floor Areas ...... 157 3.4.3. Width and Height of Exits ........................................... 160 3.4.4. Fire Separation of Exits ............................................... 163 3.4.5. Exit Signs ...................................................................... 164 3.4.6. Types of Exit Facilities ................................................ 166 3.4.7. Fire Escapes ................................................................. 174

3.9. Portable Classrooms 3.9.1. Scope ............................................................................ 222 3.9.2. Interior Finish ............................................................... 222 3.9.3. Application.................................................................... 222

3.10. Self-Service Storage Buildings 3.10.1. Scope ............................................................................ 224 3.10.2. Requirements for All Buildings .................................. 224 3.10.3. Additional Requirements for Buildings Containing More than 1 Storey ................................... 226 3.10.4. Additional Requirements for 1 Storey Buildings ...... 227

3.15. Signs 3.15.1. Scope ............................................................................ 258 3.15.2. Alterations .................................................................... 259 3.15.3 Structural Requirements ............................................. 259 3.15.4. Plastic Sign Facing Materials ..................................... 259 3.15.5 Location Restrictions .................................................. 260

3.11. Public Pools 3.11.1. General .......................................................................... 228 3.11.2. Designations of Public Pools ..................................... 228 3.11.3. Pool and Pool Deck Design and Construction Requirements for All Class A and Class B Pools ..... 228 3.11.4. Public Pools Equipped with Diving Boards or Diving Platforms .......................................................... 231 3.11.5. Ramps into Public Pools ............................................. 233 3.11.6. Modified Pools.............................................................. 234 3.11.7. Wave Action Pools ....................................................... 234 3.11.8. Recirculation for Public Pools .................................... 235 3.11.9. Dressing Rooms, Locker Facilities and Plumbing Facilities for All Public Pools ...................................... 237 3.11.10. Emergency Provisions for All Public Pools .............. 238 3.11.11. Service Rooms and Storage for All Public Pools ..... 239

3.16. Shelf and Rack Storage Systems 3.16.1. Scope ............................................................................ 260 3.16.2. Storage of Class I, II, III and IV Commodities ........... 264 3.16.3. Storage of Group A, B and C Plastics and Rubber Tires .............................................................................. 264

3.17. Demountable Stages and Demountable Support Structures 3.17.1. Scope ............................................................................ 265 3.17.2. Construction ................................................................ 265

3.18. Additional Requirements For Change of Use 3.18.1. Scope ............................................................................ 267 3.18.2. Additional Construction .............................................. 268

3.12. Public Spas 3.12.1. General .......................................................................... 239 3.12.2. Public Spa and Deck Design and Construction Requirements ............................................................... 240 3.12.3. Ramps and Access into Public Spas ......................... 240 3.12.4. Water Circulation for Public Spas .............................. 241 3.12.5. Emergency Provisions for All Public Spas ............... 243 3.12.6. Service Rooms and Storage for All Public Spas ...... 243

3.13. Rapid Transit Stations 3.13.1. Scope and Definitions ................................................. 244 3.13.2. Construction Requirements ........................................ 244 3.13.3. Safety Requirements Within Stations ........................ 246 3.13.4. Means of Egress .......................................................... 248 3.13.5. Fire Safety Provisions ................................................. 252 3.13.6. Required Sanitary Facilities ........................................ 254 3.13.7. Emergency Ventilation ................................................ 254 3.13.8. Barrier-Free Design ..................................................... 254 3.14. Tents and Air-Supported Structures 3.14.1. Tents ............................................................................. 255 3.14.2. Air-Supported Structures ........................................... 257