What is the allowable length for a dead end corridor in a fully sprinklered building?

1018.4 DEAD ENDS IBC 2006 permitted the maximum length of dead-end corridors to be 50 feet (the standard maximum is 20 feet) in sprinklered buildings in Group B and F occupancies.

What is the maximum length of a dead end corridor within a building equipped with an automatic sprinkler system that has an occupancy type E?

50 feet
In occupancies in Groups B, E, F, I-1, M, R-1, S and U, where the building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3. 1.1, the length of dead-end corridors shall not exceed 50 feet (15 240 mm).

What is the maximum length for a dead end corridor?

20 feet
In locations where more than one exit or exit access doorway is required (this applies to most corridors), dead end corridors are limited to 20 feet in length, with the following exceptions: Group I-3, Condition, 2, 3, or 4 – dead end corridors may be 50 feet, maximum.

What are dead end corridors?

A dead-end corridor has an exit in only one direction. For life safety (for example, to escape during a fire) corridors should have exit access from both directions. You can avoid dead-end corridors altogether with correct space planning.

How long can a hallway be without an exit?

20′
The International Building Code (IBC) section 1020.4 tackles the requirements for the dead-end corridors. It states that when there is more than one exit required from a building, no dead ends in corridors can exceed 20′.

What is the minimum corridor width?

44 inches
The minimum corridor width shall be as determined in Section 1005.1, but not less than 44 inches (1118 mm). Exceptions: 1. Twenty-four inches (610 mm)—For access to and utilization of electrical, mechanical or plumbing systems or equipment.

What is the minimum width of a corridor?

900mm
For narrow areas Building Regulations require a corridor width to be a minimum of 900mm. At ‘pinch points’, for example where there is a radiator, this can be reduced to 750mm.

How wide does a fire escape corridor need to be?

Widths of escape routes and exits Minimum width for an escape route should ideally be 1050mm but in any case not less than 750mm and where wheelchair users are likely to use it not less than 900mm.

What is the standard width of a corridor?

The average width considered adequate in space, accommodation, accessibility is a range between 42 and 48 inches (106.88-121.92 cm). A corridor with a width of 60 inches (152.4 cm) allows for ample amount of space to add furniture and for two people to comfortably walk, but is less commonly found.

How long are the dead end corridors in a building?

In occupancies in Groups B, E, F, I-1, M, R-1, R-2, S, and U, where the building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1, the length of the dead-end corridors shall not exceed 50 feet (15,240mm)

Can a corridor be longer than a sprinkler system?

Additionally, in most other occupancies, if an automatic sprinkler system is installed, the length can be extended to 50’ as well. The last exception is where the corridor is less than 2.5 times longer than the corridor is wide at its narrowest point. If this condition is true, then that shall not be considered a corridor.

Is there a fire code requirement for dead end corridors?

This held open cross corridor door does nothing to prevent the dead end condition in non-fire emergencies. Yes not a fire Code mandate to design for non-fire emergencies but as life safety professionals, is it prudent design to think about this topic especially in assembly occupancies where these other emergencies have occurred?

How big is a corridor with no exit?

Any pathway longer than 20 ft with no exit. Where more than one exit or exit access doorway is required, the exit access shall be arranged such that there are no dead ends in corridors more than 20 feet (6096 mm) in length. Exceptions: