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9.33.6.4.(7) | Application | Intent |
| OS1 | OP1 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Interruption of combustible coverings
and linings of ducts, including associated adhesives and insulation, at the
immediate area of operation of heat sources, 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:
This is to limit the probability of harm to
persons.
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