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6.2.3.8.(2)
OH1
ObjectiveOH1 Indoor Conditions
Attribution
Application
Application 1: 
Combining exhaust ducts of nonmechanical ventilating systems serving similar occupancies, in buildings described in Sentence 1.3.3.2.(1) of Division A.
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Intent
Intent 1: 
To exempt ducts serving similar occupancies from the application of Sentence 6.2.3.8.(1) and allow ducts to be combined at a point where contaminants are immediately exhausted to the outdoors and are unlikely to enter the ventilated occupancies.
This is to limit the probability of harm to persons.
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