ARCHIVED - 3.1.10.3.(2)

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3.1.10.3.(2)

Application

Intent


Application	Application 1: Firewall terminating on the underside of a reinforced concrete roof slab where: the roof slab on both sides of the firewall has a fire-resistance rating not less than: 1 h if the firewall is required to have a fire-resistance rating not less than 2 h, or 2 h if the firewall is required to have a fire-resistance rating not less than 4 h, and there are no concealed spaces within the roof slab in that portion immediately above the firewall. 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) of Division A for application of Part 9] as stated in Sentence 9.10.11.3.(1).
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Intent	Intent 1: To exempt certain firewalls from the application of Sentence 3.1.10.4.(1), which would otherwise require the firewall to extend beyond the upper roof surface to form a parapet, if certain conditions are met that provide an equivalent level of protection. This is to limit the probability that fire will spread from one side of the firewall to the other.
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