Imagine you’re the code official.  You visit a 7-story library with a total area of about 150,000 square feet.  The bank of main entrance doors is equipped with panic hardware and double-cylinder deadbolts.  Each door has signage stating, “This door to remain unlocked when building is occupied.”

Do these doors meet the requirements of the International Building Code (IBC)?* 

Why or why not?


*Note: The doors in this jurisdiction may or may not be required to comply with the IBC.  I’m just using the IBC so we can learn about the requirements of the most widely-used building code in the US.

For more on key-operated locks, refer to this Decoded article.

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