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RE: minimum snow load in USA

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The minimum snow load is the ground snow load times the importance factor.
So for a commercial structure far to the south the minimum snow load is
1.0*5psf = 5psf.  

There is an additional (non-concurrent) minimum roof LIVE load of 20psf.
This live load is reducible depending on the structure.

For basic design, most people just use 20-25psf as a general minimum.


From: Ángel Gómez (megared) [mailto:angelgomez(--nospam--at)] 
Sent: Saturday, January 15, 2005 12:41 PM
To: seaint(--nospam--at)
Subject: minimum snow load in USA 

Is the minimum snow load 20 psf specified by UBC/IBC for a roof structure
(25 % slope) in USA ?
Angel Gomez
Guadalajara, Jal, Mexico

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