Sentence 9.15.4.2.(4)

Intent 1:

To limit the probability of insufficiently thick and inadequately reinforced foundation walls, which could lead to an inability to support lateral earth loads, which could lead to masonry cracking.

This is to limit the probability of:

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

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.