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9.33.6.7.(4) | Application | Intent |
| OH1 | OS2 |
| Objective | OH1 Indoor Conditions |
| Attribution | |
| Application | Application 1: Sealing of joints in ducts passing through unheated
spaces, in air duct distribution systems serving heating systems in which
the rated heat input does not exceed 120 kW and serving only
one dwelling unit, 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 escape of water vapour from
ducts, which could lead to such vapour condensing and freezing on duct surfaces
or within insulation, which could lead to:
This is to limit the probability of:
This is to limit the probability of:
This is to limit the probability of:
This is to limit the probability of:
This is to limit the probability of harm to persons.
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