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9.9.6.2.(1) | Application | Intent |
OS3 |
Objective | OS3 Safety in Use |
Attribution | |
Application | Application 1: Minimum clear opening height of doorways at exit doors, at doors that open into or are located within
a public corridor, and at doors that open into
or are located within another facility that provides access
to exit from a suite, 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:
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Intent | Intent 1: To limit the probability that doorways will be of insufficient
height, which could lead to persons contacting or colliding with the top of
the door frame, which could lead to harm to persons. Intent 2: To limit the probability that doorways in exits will have
insufficient headroom clearance 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 9.9.3.4.(1),
which would otherwise require a greater headroom clearance in exits, and permit
a reduction, on the basis that the reduction is limited and should not negatively
affect exit usage. |
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