To minimize the risk of inadequate performance due
to improper maintenance or lack of
maintenance.
Objective:
OS1.1
APPLICATION:
Access openings in air duct systems and plenums serving heating, ventilating and air-conditioning systems, in buildings to which Part 6 applies [see Sentence
1.3.3.2.(1) of Division A for application
of Part 6].
INTENT:
To limit the probability that a lack of access for cleaning
will lead to an accumulation of combustible materials, which could lead to
fire, which could lead to harm to persons.