Application | Application 1: Maximum size of openings in guards for
an exit. This applies, in buildings described in Sentence 1.3.3.2.(1) of Division A,
to:
Application 2: This also applies to:
- ramps, stairways and passageways used by the public as access to exits, as stated in Appendix Note A-3.4.6.,
- tents and air-supported structures,
as stated in Sentences 3.1.6.1.(1) and 9.10.1.2.(1),
- stairs in a means of egress from
a roof, where a roof is used or intended for an occupant
load of more than 60, as stated in Sentence 3.3.1.3.(4),
- ramps and stairways, as stated in Sentence 3.3.1.14.(1),
and
- ramps in a barrier-free path of
travel, as stated in Clause 3.8.3.4.(1)(e).
Exceptions:
except:
- where it can be shown that the size of openings does not present
a hazard,
- as stated in Sentence 3.1.6.2.(1), which prohibits air-supported structures from being located above
the first storey on any building,
- as stated in Sentence 3.1.6.2.(2), which prohibits air-supported structures from being used for classrooms
or for Groups B, C, or Group F, Division 1 major occupancies,
- as stated in Sentence 3.1.6.2.(3), which requires air-supported structures to be designed as open floor
spaces without interior walls, mezzanines, intermediate
floors or similar construction,
- as stated in Sentence 3.3.1.3.(5), which applies to rooftop
enclosures,
- as stated in Sentence 3.3.1.14.(2), which applies to service rooms, service spaces and industrial occupancies,
- as stated in Subsection 3.3.2., which applies
to assembly occupancies,
- as stated in Sentence 3.3.4.7.(1), which applies to dwelling units,
- as stated in Sentence 3.4.2.2.(2), which applies to mezzanines that:
- are not required to terminate at a vertical fire
separation [see Article 3.2.8.1.],
- are not intended for an occupant load more
than 60,
- do not exceed the area limits for rooms and suites in Table 3.4.2.2., and
- have limited travel distances to egress doors or stairs, and
- as stated in Sentence 3.4.2.2.(3), which applies to at
least half of the required means of egress from
a mezzanine if the mezzanine is
not required to terminate at a fire separation as
permitted by Sentence 3.2.8.2.(1).
|