To limit the probability that the weathering of
pyritic material will lead to the heaving of footings, which could
lead to the movement or cracking of foundation walls.
This is to limit the probability of:
- structural collapse of the foundation or supported elements,
- 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.
This is to limit the probability of harm to persons.