9.20.9.1.(1)

Objective

OS1 Fire Safety

Attribution

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

Intent

Intent 1:

To limit the probability of an inadequate resistance to in-plane and transverse shear stresses, which could lead to cracking or structural failure of vertical mortar joints.

Where masonry construction is 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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