1. OS1
  2. OS2
  3. OP2
  4. OH1
  5. OH4
  6. OS3


OS1 Fire Safety


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


Intent 1:

To limit the probability of inadequate support of masonry above certain chases and recesses, which could lead to excessive deflection or cracking.

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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