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From the Life Safety Code as an [Extract]

3.3.25.4*

Quote
Building, Existing.

A building erected or officially authorized prior to the effective date of the adoption of this edition of the Code by the agency or jurisdiction.

*FPN: With respect to judging whether a building should be considered existing, the deciding factor is not when the building was designed or when construction started but, rather, the date plans were approved for construction by the appropriate authority having jurisdiction.
Joe,
I don't think it is needed that much. Most places go by the date the permit is issued. Most jurisdictions are months or even years behind on adopting a code. If the designer is worried that a Code change will catch them before it is built then they should pull their permits and have the Building Dept. made aware that they are building to the Code in effect on the day they pulled the permit.
I think even the lawyers would accept this one.
Alan
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