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3.3.4.2.(5) | Application | Intent |
| OS1 | OP1 | OS3 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Fire separation required
by Sentence 3.3.5.6.(1) [applying to the separation of storage
garages], where:
This applies to floor
areas or parts of floor areas used or intended
for use as residential occupancies, 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). |
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| Intent | Intent 1: To waive the requirement for a fire separation between a
dwelling unit and an attached garage as stated in Sentence 3.3.5.6.(1) on
the basis that sufficient conditions are in place to minimize the threat posed
by fire and exposure to vehicle exhaust fumes to the occupants of the dwelling
unit, or to the occupants in other dwelling units. This
[the separation] is to limit the probability that a fire involving the garage
or the dwelling unit will spread to other parts of the building, which could
lead to harm to persons.
This [the door requirements, fume barrier and prohibition of air
ducts] is to limit the probability that vapours will migrate from the garage
into the dwelling unit, which could lead to their accumulation and subsequent
ignition by a nearby ignition source, which could lead to a fire or explosion,
which could lead to harm to persons.
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