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3.4.6.7.(3) | Application | Intent |
OS3 |
Objective | OS3 Safety in Use |
Attribution | |
Application | Application 1: Uniformity of run and rise of steps in exit stairs.
This applies, in buildings described
in Sentence 1.3.3.2.(1) of Division A, to:
Application 2: This also applies to:
Exceptions:
except as stated in:
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Intent | Intent 1: To limit the probability that steps in an exit stair will
be designed with different run and rise dimensions [i.e. nonuniform run and
rise dimensions], which could lead to difficulties in movement 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 2: To limit the probability that steps in an exit stair will
be designed with different run and rise dimensions [i.e. nonuniform run and
rise dimensions], which could lead to persons tripping or falling, which could
lead to harm to persons. |
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