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3.4.6.9.(5) | Application | Intent |
OS3 |
Objective | OS3 Safety in Use |
Attribution | |
Application | Application 1: Arrangement of, and signage for, doors, where 2
doors are provided in a horizontal exit that
comprises a part of the required number of exits from
the floor areas on both sides of the exit.
This applies:
Application 2: This also applies to:
Exceptions:
except as stated in:
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Intent | Intent 1: To limit the probability of delays in opening a door in
a horizontal exit that does not open in the direction of travel 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 a door in a horizontal exit
that does not open in the direction of travel will be difficult to open in
an emergency situation if several persons approach it at the same time and
the pressure of the group prevents the first person from pulling the door
towards them, 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 limit the probability that a person falling in front
of a door in a horizontal exit that does not open in the direction of travel
in an emergency situation will obstruct the opening of 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. Intent 4: To limit the probability that persons will not be familiar
with the direction of swing of doors in a horizontal exit, 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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