Sentence 9.20.8.2.(1)

Intent 1:

To limit the probability of inadequate strength or depth of the masonry courses that support floor joists, which could lead to over-stressing of masonry units under concentrated roof or floor loads transmitted through framing elements, which could lead to cracking of cavity walls.

This is to limit the probability of compromised structural integrity, which could lead to:

• structural failure of masonry construction, or
• where masonry construction is part of an environmental separator, the excessive deformation, displacement or failure of required environmental separation elements, which could lead to deterioration, which could lead to further compromised structural integrity.

This is to limit the probability of harm to persons.