Application and Intent Statement

6.2.2.1.(1)

ATTRIBUTION:

Functional Statement:

F50

To provide air suitable for breathing.

F31

To minimize the risk of injury to persons as a result of contact with hot surfaces or substances.

F63

To limit moisture condensation.

F51

To maintain appropriate air and surface temperatures.

F54

To limit drafts.

F52

To maintain appropriate relative humidity.

Objective:

OS1.1

APPLICATION:

Design, construction and installation of ventilation systems, in 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:

mechanical ventilation systems other than self-contained systems serving single dwelling units, as stated in Sentence 9.32.1.2.(2),
the ventilation of storage garages for more than 4 motor vehicles in residential occupancies, as stated in Sentence 9.32.1.1.(3),
the ventilation of all occupancies other than residential occupancies, as stated in Sentence 9.32.1.1.(2),
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 that the performance of ventilation systems will fall significantly below expectations, which could lead to fire, which could lead to harm to persons.