Sentence 9.20.9.2.(1)

Intent 1:

To limit the probability of inadequate lateral support for wythes of masonry walls, which could lead to wythes and masonry walls being unable to resist transverse or vertical loads, which could lead to cracking or buckling.

This is to limit the probability of:

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

For floors and elements supporting floors, this is to limit the probability of excessive movement, deflection or vibration, which could lead to negative effects on the psychological well-being of persons.