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RE: Handrails...

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I don’t have to look at this very often, but I do have a copy of the fifth edition of “Metal Stairs Manual” by NAAMM.  They say in the railing design section, “Codes do not impose a limitation on the amount of deflection which may be allowed.  However, deflection under loading is an important consideration in establishing a psychological sense of structural integrity.”


I don’t know if anything has changed since this publication.


J. Grill

-----Original Message-----
From: David Fisher [mailto:dfisher(--nospam--at)]
Tuesday, January 11, 2005 1:27 PM
To: seaint(--nospam--at)
Subject: Handrails...


List members:

What is the allowable deflection for a handrail?

I’m reviewing the misc metal guy’s calcs and he’s getting 1.75”

For a 42” high railing on a balcony 10” long (wide).


Seems excessive to me.



Any thoughts?


David L. Fisher SE PE

Fisher + partners

372 West Ontario

Chicago 60610



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