Sentence 9.20.8.4.(5)

Intent 1:

To limit the probability that pilasters will be unable to resist the loads imposed by beams or columns, which could lead to structural failure of unit-masonry pilasters and cracking of masonry walls.

This is to limit the probability of:

• compromised structural integrity of masonry construction,
• where masonry construction is part of an environmental separator, the displacement or failure of required environmental separation elements, which could lead to deterioration, or
• in assemblies exposed to moisture or the exterior, damage and 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.