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3.2.1.4.(1) | Application | Intent |
OS1 | OP1 |
Objective | OP1 Fire Protection of the Building |
Attribution | |
Application | Application 1: Minimum fire-resistance rating of
floor assemblies immediately above basements, in buildings described in Sentence 1.3.3.2.(1) of Division A.
Application 2: This also applies to a crawl space required to be
considered as a basement, as stated in Sentence 3.2.2.9.(1).
Exceptions:
except as exempted in Sentences 3.2.2.42.(3), 3.2.2.43.(3), 3.2.2.44.(3), 3.2.2.45.(3), 3.2.2.46.(3), 3.2.2.47.(3) and 3.2.2.48.(3),
which apply to floor assemblies entirely contained within dwelling
units in a building of residential
occupancy.
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Intent | Intent 1: To limit the probability of the spread of fire from the
basement to an upper storey, which could lead to damage to the building.
Intent 2: To limit the probability of the premature collapse of the
floor assemblies in a fire situation, which could lead to damage to the building.
Intent 3: To direct Code users to Articles 3.2.2.20. to 3.2.2.83. for the determination of minimum fire-resistance
ratings for the floor assemblies. |
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