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9.33.6.7.(1) | Application | Intent |
OH1 | OS3 |
Objective | OS3 Safety in Use |
Attribution | |
Application | Application 1: Air duct distribution systems serving garages and
only one dwelling unit, where the heating system
has a rated heat input that does not exceed 120 kW, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9]. Application 2: This also applies to ventilation ducts and their fittings,
as stated in Sentence 9.32.3.11.(1). |
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Intent | Intent 1: To limit the probability of the ingress of carbon monoxide
into dwelling units, which could lead to the acute poisoning or asphyxiation
of persons. |
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