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9.9.7.4.(1) | Application | Intent |
| OS3 |
| Objective | OS3 Safety in Use |
| Attribution | |
| Application | Application 1: Minimum number of egress doors from rooms and suites where the area of the rooms or suites,
or the distance measured from any point within the rooms or suites to
the nearest egress door, exceeds the values in Table 9.9.7.4.,
in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9]. Application 2: This also applies to podiums, terraces, platforms
and contained open spaces, as stated in Sentence 9.9.7.1.(3).
Exceptions:
except for dwelling units.
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| Intent | Intent 1: To limit the probability of an insufficient number of egress
doors from a large room or suite, which could lead to inefficient 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 2: To exempt situations from the application of this Sentence,
where there is a lower occupant load and where occupants are likely to have
an enhanced familiarity with egress facilities. |
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