6.2.2.3.(1)ATTRIBUTION:
Functional Statement:
F50
To provide air suitable for breathing.
F44
To limit the spread of hazardous substances beyond their point of release.
Objective:
OS3.4
APPLICATION:
Mechanical ventilation systems for enclosed storage garages serving buildings to which Part 6 applies [see Sentence
1.3.3.2.(1) of Division A for application
of Part 6].
This also applies to buildings to which Part 9 applies [see Sentence
1.3.3.3.(1) of Division A for application
of Part 9], with respect to the ventilation of storage garages for more than 4 motor vehicles in residential occupancies, as stated in Sentence
9.32.1.1.(3).
INTENT:
To limit the probability of inadequate ventilation, which
could lead to excessive levels of carbon monoxide gas or nitrogen dioxide
in storage garages, which could lead to the acute poisoning or asphyxiation
of persons.