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IBC-IRC-Building-Code: Fire Separations and Fire Walls - Conceptual Overview
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Fire separations are rated barriers (walls/floors) used to separate occupancies, tenants, hazardous areas, or exit enclosures. A fire wall is a special, more robust rated wall designed to allow a building to be treated as separate buildings for code purposes; it typically has structural stability requirements and continuity from foundation to (and often through) the roof.

Worked example(s)
Example: A mixed-occupancy building may use rated separations between Group A-2 (restaurant) and Group R-2 (apartments) if treated as separated occupancies.

IBC-IRC-Building-Code: Fire Separations and Fire Walls - Conceptual Overview
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8 Questions

1. A key concept for fire-resistance-rated barriers is:
2. A 'fire wall' is significant because it can:
3. The primary purpose of a fire separation is to:
4. Which is most likely to require a rated separation?
5. In separated occupancies, the separation rating between occupancies is typically determined by:
6. Which is the BEST example of compartmentation improving safety?
7. Which element is commonly required for rated separations to remain effective?
8. If a rated wall is interrupted by a duct penetration, a common code-driven protection is:

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