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9.33.6.2.(4) | Application | Intent |
| OS1 | OP1 |
| Objective | OP1 Fire Protection of the Building |
| Attribution | |
| Application | Application 1: Duct connectors that contain combustible materials
and that are used between ducts and air outlet units, 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 exempt duct connectors from the application of Sentence 9.33.6.2.(1), where certain criteria are met. This
is to limit the probability of the ignition of combustible duct system components,
which could lead to the spread of fire and smoke throughout the building,
which could lead to damage to the building.
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