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3.1.10.4.(1)
ApplicationIntent
OP1OS1OP3
ObjectiveOP1 Fire Protection of the Building
Attribution
[F03-OP1.2]
Application
Application 1: 
Extension of a firewall above a roof surface to form a parapet.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A, and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) for application of Part 9] as stated in Sentence 9.10.11.3.(1).
Exceptions: 
except as provided in:
  • Sentence 3.1.10.4.(2), which applies to a firewall separating two buildings with roofs at different elevations, and
  • Sentence 3.1.10.3.(2), which applies to a firewall terminating on the underside of a reinforced concrete roof slab.
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Intent
Intent 1: 
To limit the probability that a firewall will not extend sufficiently above a roof surface, which could lead to the spread of fire from the roof of an adjacent building to the roof of the building, which could lead to damage to the building.
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