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Code Commentary (was NDS-Nails)

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Scott Maxwell wrote (a few days ago):


“If it is truly a commentary (i.e. not a mandatory document), then it could not be code enforceable requirements.  For example, everything in the ACI 318 commentary is all nice and potentially useful/helpful, but it has no code enforceable value at all.  In other words, the ACI 318 commentary saying that you can or can not do something means nothing in the eyes of the code requirements.”


Scott, you’re half right.


If a structural engineer does something that a Commentary recommends against, and something goes wrong, the engineer is dead meat in court.  The practical difference between legal mandate and fear-based inducement is not that great.  The Commentary to most codes matters a great deal.


Mike Hemstad


St. Paul, Minnesota