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3.1.4.6.(3) | Application | Intent |
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Application | Application 1: Minimum thickness of splice plates used for splicing
roof arches supported on the tops of walls or abutments, roof trusses, roof
beams and roof girders 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 splice plates for roof arches from the application
of Sentence 3.1.4.6.(2), which would otherwise require larger dimensions,
if certain conditions are met that limit the probability of premature structural
failure of the heavy timber construction during a fire. |
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