What is the purpose of the 'fire cell' concept in large facilities?

• A. Divide large spaces into smaller, manageable fire cells to limit fire growth and facilitate containment and evacuation
• B. Increase the overall fire load for flexibility
• C. Eliminate the need for fire doors
• D. Reduce the number of exits

Answer: (A)

Dividing large spaces into fire cells is about compartmentalization: by using fire-rated barriers to create smaller, isolated zones, a fire is kept in a limited area. That containment slows how fast flames, heat, and smoke spread, helps protect adjacent areas, and preserves pathways for safe evacuation. It also makes it easier for firefighters to control the incident because they can focus on a smaller, defined area and prevent the fire from rapidly involving the whole facility.

This approach supports life safety and property protection by preventing a single fire from escalating uncontrolled and by enabling the isolation of the fire zone for suppression. Increasing the fuel load, eliminating fire doors, or reducing exits would undermine these goals: more fuel accelerates spread, missing fire doors weakens containment, and fewer exits jeopardize safe egress.