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5.2.1.1.(2) | Application | Intent |
| OH1 | OS2 | + |
| Application | Application 1: Application 2: This also applies to the position of low air and vapour
permeance materials within the building assembly
relative to the position of materials providing thermal resistance in the
assemblies of buildings to which Part 9 applies
[see Sentence 1.3.3.3.(1) of Division A for application of Part 9], where
the building assembly:
Application 3: This also applies to the design of vapour
barriers in buildings to which Part 9 applies
[see Sentence 1.3.3.3.(1) of Division A for application of Part 9], where
the building assembly is more susceptible to condensation
[see Sentences 9.25.4.2.(2) and (3) for combinations of interior and exterior
environmental conditions that create a higher risk for condensation].
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| Intent | Intent 1: To clarify the requirements in Part 4 that address subsurface
conditions and whose Intent Statements identify the direct consequences of
non-compliance with the objectives of Structural Safety, Structural Sufficiency
of the Building, and Vibration and Deflection Limitation. |
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