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3.4.7.5.(4) | Application | Intent |
OS3 |
Objective | OS3 Safety in Use |
Attribution | |
Application | Application 1: Flight of stairs leading to the ground at the foot
of a fire escape, where the flight of stairs is not fixed in position.
This applies to fire escapes referred to in Sentence 3.4.7.1.(2),
where:
This applies to fire escapes serving floor
areas that are intended for occupancy, including mezzanines as stated in Sentence 3.4.2.2.(1), in buildings described in Sentence 1.3.3.2.(1) of Division A.
Application 2: This also applies to:
Exceptions:
except as stated in:
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Intent | Intent 1: To limit the probability of difficulty in reaching the ground
level from a fire escape 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 of difficulty in reaching the ground
level from a fire escape in an emergency situation, which could lead to persons
jumping to the ground level, which could lead to harm to persons.
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