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9.9.6.1.(3) | Application | Intent |
OS3 |
Objective | OS3 Safety in Use |
Attribution | |
Application | Application 1: Maximum reduction in the width of the path of travel
caused by the swing of doors in exit corridors and
passageways, and exit stairs or landings, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Exceptions:
except as stated in Sentence 9.9.6.1.(4), which applies to
doors serving a single dwelling unit.
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Intent | Intent 1: To limit the probability that the swing of doors will substantially
reduce the width of corridors and other facilities, which could lead to persons
contacting or colliding with the protrusions, which could lead to harm to
persons. Intent 2: To limit the probability that the swing of doors will substantially
reduce the width of exits, which could lead to an insufficient exit width
to permit efficient egress in an emergency situation, which could lead to
delays in the evacuation or movement of persons to a safe place, which could
lead to harm to persons. Intent 3: To supersede the requirements of Sentence 9.9.5.4.(1),
which would otherwise prohibit obstructions in exits, and permit doors to
cause a reduction in the width of exits, on the basis that the reduction in
width is limited and should not negatively affect exit usage. |
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