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3.4.4.4.(7) | Application | Intent |
OS1 | OP1 | OS3 |
Objective | OP1 Fire Protection of the Building |
Attribution | |
Application | Application 1: Service rooms opening
directly into exits. This applies
to exits serving floor areas that
are intended for occupancy, including mezzanines as
stated in Sentence 3.4.2.2.(1), in buildings described
in Sentence 1.3.3.2.(1) of Division A.
Application 2: This also applies to tents and air-supported
structures, as stated in Sentences 3.1.6.1.(1) and 9.10.1.2.(1).
Exceptions:
except as stated in:
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Intent | Intent 1: To limit the probability that a fire involving a service
room will spread into the exit, which could lead to delays or ineffectiveness
in fire emergency response operations, which could lead to the further spread
of fire, which could lead to damage to the building. Intent 2: To limit the probability that outside venting of a service
room for fuel-fired appliances will lead to a negative pressure in the exit
and draw in products of combustion from other spaces, which could lead to
delays or ineffectiveness in fire emergency response operations, which could
lead to the spread of fire, which could lead to damage to the building.
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