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9.32.3.3.(10)
OH1
ObjectiveOH1 Indoor Conditions
Attribution
Application
Application 1: 
Location of exhaust air intakes for principal ventilation fans in kitchens, bathrooms and water-closet rooms, in self-contained heating-season mechanical ventilation systems serving single dwelling units with 5 or fewer bedrooms that are supplied with electrical power and a heating system, in buildings to which:
  • Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9], or
  • Part 6 applies [see Sentence 1.3.3.2.(1) of Division A for application of Part 6 and Sentence 6.2.2.1.(3)].
Exceptions: 
except as stated in Sentence 9.32.3.1.(1), which applies to heating-season mechanical ventilation systems designed to comply with CAN/CSA-F326-M.
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Intent
Intent 1: 
To limit the probability of the inadequate capture of vapours and pollutants produced by cooking or the use of bathroom facilities, which could lead to negative effects on the air quality of indoor spaces, which could lead to harm to persons.
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