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Re: Snow Drifting Provisions

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     The UBC for years stated that "potential accumulation of snow..." 
     (drifts) shall be considered.  This general statement is in the 1976 
     UBC which is the oldest that I have.  However, starting in the 1994 
     UBC they provided specific design procedures in the UBC.  For the 1994 
     UBC, this is in Volume 2, Appendix Chapter 16, Division I, Snow Load 
     For earlier Codes, where is was not specifically stated, the best 
     design practice in US codes was to follow something like ANSI A58.1.  
     The oldest I have of this is the 1972 edition which has specific 
     drifting provisions.  ANSI A58.1 eventually became ASCE 7.
     Ed Haninger
     Fluor Daniel

______________________________ Reply Separator _________________________________
Subject: Snow Drifting Provisions
Author:  Jim Kestner <jkestner(--nospam--at)> at fdinet
Date:    12/21/98 9:52 AM

Does anyone know or remember what year the snow drifting provisions were 
added to UBC and BOCA?
Jim Kestner, P.E.
Green Bay, Wi