3.4.6.15.(2)ATTRIBUTION:
Functional Statement:
F10
To facilitate the timely movement of persons to a safe place in an emergency.
Objective:
OS3.7
APPLICATION:
Maximum opening force for door release hardware on
doors that are equipped with a latching mechanism.
This
applies to:
- exit doors from a floor area containing an assembly occupancy having an occupant load of more than 100,
- doors leading to an exit lobby from an exit stair shaft, and exterior doors leading from an exit stair shaft in a building having an occupant load of more than 100, and
- exit doors from a floor area containing a high hazard industrial occupancy.
This applies, in buildings described in Sentence
1.3.3.2.(1) of Division A, to:
- interior and exterior exits, as stated in Appendix Note ., and
- exits serving floor areas that are intended for occupancy, including mezzanines as stated in Sentence 3.4.2.2.(1).
This also applies to:
- ramps, stairways and passageways used by the public as access to exits, as stated in Appendix Note ., and
- tents and air-supported structures, as stated in Sentences 3.1.6.1.(1) and 9.10.1.2.(1).
INTENT:
To limit the probability of delays in opening exit doors
in an emergency situation, which could lead to delays in the evacuation or
movement of persons to a safe place, which could lead to harm to persons.