To minimize the risk of injury to persons as a
result of contact with hot surfaces or
substances.
Objective:
OS3.1
APPLICATION:
Guarding of mechanical equipment that forms part of
heating, ventilating, air-conditioning or refrigeration systems, in buildings described in Sentence
1.3.3.2.(1) of Division A.
heating systems, including requirements for combustion air,
and air-conditioning systems other than those serving individual dwelling units, as stated in Sentence
9.33.1.1.(2), and
air duct distribution systems serving heating systems in which
the rated heat input exceeds 120 kW, as stated in Sentence
9.33.6.1.(2).
INTENT:
To limit the probability of inadvertent contact with moving
components, hot surfaces or other elements of mechanical equipment, which
could lead to harm to persons.