Intent 1:
To limit the probability of differential vertical
movement of soil beneath and between the foundations of dwelling units
and the foundations of structurally-attached garages or carports,
which could lead to damage to foundations.
This
is to limit the probability of:
- the ingress of pollutants from the exterior, including
soil gas, combustion products from parking garages, and particulates,
- the ingress of precipitation,
- condensation, or
- the ingress of moisture from the ground.
This is to limit the probability of:
- an inadequate control of the temperature of interior
spaces or water accumulation,
- the generation of pollutants from biological growth
or from materials that become unstable on wetting, or
- deterioration, which could lead to compromised integrity
of environmental separators or of elements protected by the separators.
This is to limit the probability of:
- negative effects on the air quality of indoor spaces,
- the inadequate thermal comfort of persons, and
- contact with moisture.
This is to limit the probability of harm to persons.