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9.21.3.5.(1) | Application | Intent |
OS1 | OH1 | OS3 | OP1 | OS2 |
Objective | OS3 Safety in Use |
Attribution | |
Application | Application 1: Concrete flue liners for rectangular masonry or concrete chimneys that are not more than 12
m in height and that serve fireplaces or appliances having
a combined total rated heat output of 120 kW or less, 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 rectangular masonry
or concrete chimneys, in buildings to which
Part 6 applies [see Sentence 1.3.3.2.(1) of Division A for application
of Part 6], as stated in Sentence 6.3.1.2.(1). |
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Intent | Intent 1: To limit the probability that the performance of concrete
flue liners will fall significantly below expectations, which could lead to
the premature failure of concrete flue liners, which could lead to the spillage
of combustion products, which could lead to the leakage of carbon monoxide
gas into living space, which could lead to the acute poisoning or asphyxiation
of persons. |
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