About this chapter: Chapter 3 provides the criteria by which buildings and structures are classified into use groups and occupancies.

Chapter 3 of the 2021 International Building Code (IBC) sets the requirements of how to identify a buildings occupancy characteristics based on how a space or spaces are used within a building.

May 7, 2021 · An overview of how NFPA 101 and the IBC classify occupancy types

Building occupancy classifications refer to categorizing structures based on their usage and are primarily used for building and fire code enforcement. They are usually defined by model …

These classifications serve as the gateway to all other code provisions – once you know a building’s occupancy, you can determine the appropriate requirements for construction type, …

Jan 1, 2025 · According to IBC and UBC, buildings are categorized into several main types based on how they are occupied and used. This section outlines the primary classifications and …

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Jan 8, 2024 · Understanding the various occupancy classifications as defined by the International Building Code (IBC) is crucial for architects, builders, and fire safety professionals.

Mar 26, 2025 · Building safety and compliance begin with proper classification under the International Building Code (IBC). These classifications serve as the cornerstone for …

The provisions of this chapter shall control the classification of all buildings and structures as to occupancy and use. Different classifications of occupancy and use represent varying levels of …