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9.10.5.1.(1) | Application | Intent |
OS1 | OP1 |
Objective | OP1 Fire Protection of the Building |
Attribution | |
Application | Application 1: Openings in [wall and ceiling] membranes that form
part of assemblies that are required to have a fire-resistance
rating, in buildings to which Part 9 applies
[see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Exceptions:
except:
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Intent | Intent 1: To limit the probability that openings in rated wall or
ceiling membranes will contribute to the spread of fire within the wall or
ceiling space, which could lead to the premature failure or collapse of the
wall or ceiling assembly, which could lead to damage to the building.
Intent 2: To limit the probability that openings in rated wall or
ceiling membranes will contribute to the spread of fire within the wall or
ceiling space, which could lead to the premature failure or collapse of the
wall or ceiling assembly, which could lead to the spread of fire from one
compartment to another, which could lead to damage to the building.
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