9.33.6.4.(3)

Objective

OS1 Fire Safety

Attribution

(a),(b)[F01-OS1.1]

Intent

Intent 1:

To limit the probability that covering materials will contribute to the spread of fire and smoke throughout the building, which could lead to harm to persons.

Intent 2:

To expand the application of Sentence 9.33.6.4.(2) to include situations where coverings and linings used in air duct systems are installed within an assembly of combustible construction.

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