Sentence 9.29.2.2.(1)

  1. OH1
  2. OS2
  3. OS1
  4. OP2

Objective

OS1 Fire Safety

Attribution

[F80-OS1.2]Applies where interior finishes are required to act as fire protection for foamed plastics or to contribute to the required fire resistance of assemblies.

Intent

Intent 1:

To limit the probability of repeated water exposure of moisture-vulnerable interior finishes, which could lead to the deterioration of interior finishes.

This is to limit the probability of:

  • where interior finishes are required to protect foamed plastics, a loss of fire protection, or
  • where interior finishes are installed to contribute to the required fire resistance of assemblies, a loss of fire resistance.

This is to limit the probability of the growth and spread of fire, which could lead to harm to persons.

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