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3.3.5.7.(3)
OS3OS1
ObjectiveOS3 Safety in Use
Attribution
Application
Application 1: 
Vestibules protecting openings between a storage garage and:
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A.
Application 2: 
This also applies to:
  • tents and air-supported structures, as stated in Sentences 3.1.6.1.(1) and 9.10.1.2.(1), and
  • rooms and spaces intended for the storage, manufacture or use of hazardous or explosive material, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9], as stated in Sentence 9.10.1.2.(4).
Exceptions: 
except as stated in:
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Intent
Intent 1: 
To limit the probability that gas and exhaust fumes will migrate from storage garages into other areas of the building, which could lead to the accumulation of such vapours to levels that could pose a risk to human health from short-term exposure, which could lead to harm to persons.
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