9.23.14.9.(1)

Objective

OS1 Fire Safety

Attribution

[F20,F22-OS1.2]Applies to assemblies required to provide fire resistance.

Intent

Intent 1:

To limit the probability that low-strength interior finishes will be relied on to provide lateral restraint, which could lead to an inability to resist expected gravity or lateral loads or shrinkage stresses due to drying, which could lead to joists twisting, which could lead to failure of the ceiling.

Where assemblies are required to provide fire resistance, this is to limit the probability of compromised fire resistance of the assembly, which could lead to harm to persons.

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