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2.5.6.1.(1)
OH1OS1
ObjectiveOS1 Fire Safety
Attribution
Application
Application 1: 
Vent pipes for oil interceptors, in venting systems for buildings.
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Intent
Intent 1: 
To limit the probability that depressions in vent pipes will lead to an accumulation of liquids from condensation or backflow, which could lead to obstruction of the oil interceptor's vent capacity, which could lead to an accumulation of flammable or explosive gases in buildings, which could lead to an explosion or fire, which could lead to harm to persons.
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