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3.4.6.3.(2) | Application | Intent |
OS3 | OP1 | OS1 |
Objective | OS3 Safety in Use |
Attribution | |
Application | Application 1: Length and width of landings in 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 landings will be of insufficient
size to permit efficient egress in an emergency situation, which could lead
to congestion at landings, 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 emergency responders will
have insufficient space on a landing to perform their duties, which could
lead to delays or ineffectiveness in emergency response operations, 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 landings will be of insufficient
size for persons to negotiate a change of direction, which could lead to congestion,
collisions or other risk of injuries, which could lead to harm to persons.
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