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9.28.4.5.(1)
OH1OS2OS1OS3OP1
ObjectiveOS3 Safety in Use
Attribution
[F20-OS3.4] Applies where stucco is applied to masonry chimneys.
Application
Application 1: 
Orientation of stucco lath, on buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
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Intent
Intent 1: 
To limit the probability of inadequate strength in the prevailing direction of shrinkage, which could lead to the excessive cracking of stucco.
Where stucco is applied to masonry chimneys, this is to limit the probability of precipitation or meltwater ingress, which could lead to the premature failure of chimney liners, which could lead to the leakage of carbon monoxide gas into living space, which could lead to the acute poisoning or asphyxiation of persons.
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