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3.3.5.4.(7)
OS1OP1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Sprinkler protection of storeys of storage garages or repair garages located below grade.
Exceptions: 
except for open-air storeys.
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 a fire involving a below-grade storey of a garage will spread to other parts of the building, which could lead to harm to persons.
Intent 2: 
To exempt open-air storeys from the latter part of Sentence 3.3.5.4.(7) requiring sprinkler protection on the basis that fire and smoke will be ventilated directly to the outdoors thereby minimizing the spread of fire from the garage to other parts of the building.
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