Sentence 9.21.2.5.(1)

  1. OH1
  2. OS3

Objective

OS3 Safety in Use

Attribution

Intent

Intent 1:

To limit the probability that an inadequately sized chimney flue will be unable to vent all the combustion products from a fireplace, 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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