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Part 3 sets out general requirements applicable to all buildings, and classifies buildings by occupancy group and by construction type based on fire resistance.

Chapters

Chapter 1: General Building Requirements

Site requirements, means of egress, light and ventilation, and other general provisions.

Chapter 2: Classification of Buildings Based on Occupancy

Occupancy groups and mixed-occupancy provisions.

Chapter 3: Classification of Building Construction Types Based on Fire Resistance

Construction types and fire-resistance ratings.

Appendices

Appendices

Supporting appendices for Part 3.
Last modified on August 30, 2026