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6.2.3.3.(1) | Application | Intent |
| OH1 | OS3 |
| Objective | OS3 Safety in Use |
| Attribution | |
| Application | Application 1: Connections and openings in ducts in air duct distribution
systems serving heating, ventilating and air-conditioning systems, in buildings to which Part 6 applies [see Sentence 1.3.3.2.(1) of Division A for application of Part 6]. |
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| Intent | Intent 1: To limit the probability that loose connections or unnecessary
openings will lead to excessive air leakage, which could lead to a reduction
in airflow, which could lead to insufficient combustion air for fuel-burning
appliances, which could lead to incomplete combustion, which could lead to
the entry of carbon monoxide gas into occupied space, which could lead to
the acute poisoning or asphyxiation of persons. |
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