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9.33.6.14.(7) | Application | Intent |
| OH1 | OS3 |
| Objective | OS3 Safety in Use |
| Attribution | |
| Application | Application 1: Design of return-air systems, 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]. |
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| Intent | Intent 1: To limit the probability of incomplete combustion, which
could lead to the production of carbon monoxide gas, which could lead to the
acute poisoning or asphyxiation of persons. |
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