5.4.1.1.(2)

Intent 1:

To limit the probability of the inadequate control of:

• precipitation ingress due to air pressure differences,
• condensation, or
• the ingress of airborne moisture from the ground.

This is to limit the probability of deterioration, which could lead to compromised structural integrity of environmental separators or of elements supported or protected by the separators, which could lead to structural failure, which could lead to harm to persons.