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9.9.6.6.(1) | Application | Intent |
| OS3 |
| Objective | OS3 Safety in Use |
| Attribution | |
| Application | Application 1: Minimum distance [clearance] between stair risers
and the leading edge of doors during their swing, in means
of egress in buildings to which Part 9 applies
[see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Exceptions:
except:
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| Intent | Intent 1: To limit the probability that a person on the step nearest
the door will be hit by the door when it is opened, which could lead to harm
to the person. Intent 2: To limit the probability that a person stepping through
the door and down onto a step will fall, which could lead to harm to the person.
Intent 3: To limit the probability that a person will step through
the door and down onto a step in an emergency situation, which could lead
to the person falling and obstructing other persons using the exit, which
could lead to delays in the evacuation or movement of persons to a safe place,
which could lead to harm to persons. Intent 4: To limit the probability that there will not be enough space
on the landing to stand while opening the door, which could lead to delays
in the evacuation or movement of persons to a safe place, which could lead
to harm to persons. |
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