9.20.13.2.(1)

Objective

OS1 Fire Safety

Attribution

[F80-OS1.2]Applies to assemblies required to provide fire resistance.

Intent

Intent 1:

To limit the probability of premature failure of fasteners, which could lead to the displacement of flashing, which could lead to precipitation or meltwater ingress.

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

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