UNO is a ceiling statement the covers all stated items concerned the callout yet leaves exceptions in details situations. For instance, A325 bolts may be mentioned in the basic notes, but a different fastener specification/grade may be mentioned in the construction plans.
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Some building plans might list the definition as, “Unless Notes Otherwise”.
The acronym UON is likewise commonly used, stand for, “Unless Otherwise Noted”.
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created December 31, 2019, modified march 3, 2020
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