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3.6.4.2.(2) | Application | Intent |
OS1 | OP1 |
Objective | OP1 Fire Protection of the Building |
Attribution | |
Application | Application 1: Separation of a horizontal
service space or other concealed space located above a required vertical fire separation from the remainder of the building,
where the construction between the horizontal service
space or other concealed space, and the space below, is a fire
separation with a fire-resistance rating equivalent
to that required for the vertical fire separation.
This applies to buildings described
in Sentence 1.3.3.2.(1) of Division A.
Application 2: This also applies to a horizontal
service space that penetrates a required vertical fire
separation, as stated in Sentence 3.6.4.2.(1).
Exceptions:
except:
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Intent | Intent 1: To supersede the requirements of Sentence 3.1.8.3.(1),
which would otherwise require the space between a horizontal service space
or other concealed space, and a required vertical fire separation, to be divided
at the fire separation, if certain conditions are met. This
is to limit the probability that a fire in one fire compartment will spread
to another fire compartment by means of the horizontal service space or concealed
space, which could lead to damage to the building.
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