Intent 1:
To limit the probability that the performance of
ducts or fittings will fall significantly below expectations, which
could lead to:
- a failure to deliver conditioned air to designated locations,
which could lead to
- an inability to maintain adequate indoor air temperatures
or to control relative humidity, which could lead to condensation,
which could lead to the growth of mould and mildew, or
- the inadequate control of airborne pollutants, or
- in the case of ventilation systems, depressurization
in buildings, which could lead to the spillage of combustion products
from fuel-fired appliances.
This is to limit the probability of
negative effects on the air quality of indoor spaces, which could
lead to harm to persons.