9.33.6.7.(4)

Objective

OS2 Structural Safety

Attribution

Intent

Intent 1:

To limit the probability of the escape of water vapour from ducts, which could lead to such vapour condensing and freezing on duct surfaces or within insulation, which could lead to the wetting of building elements, which could lead to corrosion, rotting or mould and mildew growth, which could lead to deterioration, which could lead to compromised structural integrity, which could lead to harm to persons.

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