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9.33.8.2.(3) | Application | Intent |
OS1 | OP1 |
Objective | OS1 Fire Safety |
Attribution | |
Application | Application 1: Maximum flame-spread rating of combustible insulation and coverings used on piping
in horizontal services spaces or vertical
service spaces, in heating or air-conditioning systems serving only
one dwelling unit, in buildings to
which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application
of Part 9].
Exceptions:
as stated in Sentence 9.33.8.2.(6), which applies to piping
that is:
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Intent | Intent 1: To limit the probability of the rapid spread of fire and
smoke from one room or space to another, or from one area of a room or space
to another, through duct-like concealed spaces, which could lead to harm to
persons. |
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