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4.3.5.3.(2) | Application | Intent |
| OS1 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Manifolding of normal vent piping for aboveground storage tanks containing Class I liquids with vent
piping for such tanks containing Class II or IIIA liquids, in buildings,
structures and open areas.
Exceptions:
except:
|
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| Intent | Intent 1: To limit the probability of the contamination of Class II
or IIIA liquid vapours with Class I liquid vapours, which could lead to the
accumulation and subsequent ignition of vapour, which could lead to harm to
persons. |
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