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3.1.4.2.(1) | Application | Intent |
| OS1 | OP1 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Method of protection of foamed plastics that form
part of a wall or ceiling assembly in combustible construction from
adjacent spaces in a building, other than adjacent
concealed spaces within attic or roof spaces,
crawl spaces, and wall assemblies [Clauses (a) and (c)].
Method of protection of foamed plastics that form part of a wall
or ceiling assembly in combustible construction from
adjacent spaces in a building that does not contain
a Group B or Group C major occupancy, other
than adjacent concealed spaces within attic or roof
spaces, crawl spaces, and wall assemblies [Clause (b)].
This applies to buildings described
in Sentence 1.3.3.2.(1) of Division A.
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| Intent | Intent 1: To limit the probability that foamed plastic insulation
will become exposed to a fire or subjected to high temperatures, which could
lead to its ignition and contribution to early fire growth and spread, which
could negatively affect the ability of persons to escape from a fire, which
could lead to harm to persons. Intent 2: To state and expand the application of Subsections 9.29.4. to 9.29.9. to buildings
to which Part 3 applies [Clause (a)].
Intent 3: To expand the application of Sentence 3.1.5.12.(2) to
buildings of combustible construction [Clause (c)].
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