Do corridors need to be fire rated?
1020.1 Construction. Corridors shall be fire-resistance rated in accordance with Table 1020.1.
What occupancy is a corridor?
1018.1. 1 Interior Corridors
| OCCUPANCY | OCCUPANT LOAD SERVED BY INTERIOR CORRIDOR | REQUIRED FIRE-RESISTANCE RATING (hours) |
|---|---|---|
| A, B, E, F, M, S, U | Greater than 30 | 0 |
| R | Greater than 10 | 0 |
| I-2a, I-4 | All | 0 |
| I-1, I-3 | All | 1b |
What is a rated ceiling?
An Underwriters’ Laboratories (UL) fire resistant rated ceiling system provides separation between the elements of the building services (i.e. ductwork and piping) and the occupied space below. A UL fire resistant rated ceiling also provides a known, specified fire resistance period.
What is an egress corridor?
Corridor: An enclosed exit access component that defines and provides a path of egress travel.
What is a corridor IBC?
Answer: IBC 202 defines a corridor as an enclosed exit access component that defines and provides a path of egress to an exit. A convenience path that does not lead to a required exit is not a corridor, regardless of the manner of construction.
How do you determine if a ceiling is fire rated?
Fire Ratings of Ceiling Tiles The rating is looked at by both the inspector and the local fire marshal as they determine the safety of the building. There are two different levels of fire rating to be aware of: flame spreading rate and fire barrier rating.
What makes a ceiling fire rated?
Ceilume’s Fire Ratings and Approvals All of Ceilume’s ceiling tiles and panels are Class A Fire Rated for surface burning characteristics, flame spread, and smoke development.
Can a corridor be open to the outside of a building?
Corridors adjacent to the exterior walls of buildings shall be permitted to have unprotected openings on unrated exterior walls where unrated walls are permitted by Table 602 and unprotected openings are permitted by Table 705.8. For requirements for occupancies in Group I-2, see Sections 407.2 and 407.3.
What is the minimum width of a corridor?
The required capacity of corridors shall be determined as specified in Section 1005.1, but the minimum width shall be not less than that specified in Table 1020.2.
Can a corridor be used for return air?
Where located within a dwelling unit, the use of corridors for conveying return air shall not be prohibited. Where located within tenant spaces of 1,000 square feet (93 m 2) or less in area, utilization of corridors for conveying return air is permitted.
Can a corridor be interrupted by an intervening room?
Fire-resistance -rated corridors shall be continuous from the point of entry to an exit, and shall not be interrupted by intervening rooms.
