Sentence 9.21.3.1.(1)

  1. OS2
  2. OH1
  3. OS1
  4. OS3
  5. OP1

Objective

OS1 Fire Safety

Attribution

Intent

Intent 1:

To limit the probability that the direct exposure of chimney components to corrosive flue gases and condensates, and extreme fluctuations in temperature, will lead to the premature failure of chimney liners, which could lead to the ignition of combustible building components, which could lead to harm to persons.

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