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3.1.4.6.(6) | Application | Intent |
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Application | Application 1: Roofs in heavy timber construction in buildings described in Sentence 1.3.3.2.(1) of Division A where:
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 heavy timber construction is
considered to have a 45 min fire-resistance
rating, as stated in Sentence 9.10.6.2.(1). |
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Intent | Intent 1: To exempt roofs from the application of Sentence 3.1.4.6.(2),
which would otherwise require larger dimensions, if certain conditions are
met to limit the probability of premature structural failure of the heavy
timber construction during a fire. |
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