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3.6.5.7.(1) | Application | Intent |
OS1 |
Objective | OS1 Fire Safety |
Attribution | |
Application | Application 1: Maximum flame-spread ratings and
smoke developed classifications of combustible grilles,
diffusers and other devices for supply, return, and exhaust-air openings in
rooms, in buildings described in Sentence 1.3.3.2.(1) of Division A. Application 2: This also applies to:
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Intent | Intent 1: To limit the probability that combustible grilles, diffusers
and other devices for supply, return, and exhaust-air openings will have higher
flame-spread and smoke-development properties than those required for the
interior finish of the surface on which they are installed, which could lead
to the development of an inappropriate amount of smoke and the spread of fire
across the exposed surfaces of the combustible grilles, diffusers and other
devices, which could lead to the spread of fire and smoke to other parts of
the building, which could lead to harm to persons. |
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