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3.2.8.3.(1)
OS1+OP1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Combustibility of construction of buildings constructed in conformance with Articles 3.2.8.4. to 3.2.8.9.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A that contain portions of a floor area or mezzanines that do not terminate at an exterior wall, a firewall or a vertical shaft, and are required by Clause 3.2.8.1.(1)(b) to be protected in conformance with Articles 3.2.8.3. to 3.2.8.9.
Application 2: 
This also applies to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9], where there are:
  • openings through floors that are not protected by shafts or closures, as stated in Sentence 9.10.1.2.(6), or
  • interconnected floor spaces, as stated in Sentence 9.10.9.5.(1).
Exceptions: 
except:
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Intent
Intent 1: 
To limit the probability that materials used for the construction of buildings will contribute to the growth and spread of fire, which could lead to harm to persons.
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