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RE: Which ASCE 7 to Use?

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The 2000 IBC references ASCE 7-98 ? look in Chapter 35, ?Referenced
Standards?.  I don?t have the 2003 IBC, but I?m pretty sure it references
ASCE 7-02.

Be very careful mixing code editions, especially if you use values from one
and insert them into load cases in the other.
The loads (wind, seismic, wave, etc.) and load factors change fairly
regularly because of the ?latest? research, sometimes in every edition.
Also, a factor that is ?built into? a constant in one edition might be
explicitly included as a distinct variable in the next version (like the
wind directionality factor between ASCE 7-95 and 7-98).  If you mix, you
could either include a factor twice or miss it entirely.

Jason Kilgore
Leigh & O'Kane, LLC
Kansas City, Missouri
From: Joe Grill [mailto:jgrill(--nospam--at)] 
Sent: Wednesday, August 18, 2004 1:07 PM
To: seaint(--nospam--at)
Subject: Which ASCE 7 to Use?

I live in a town that has adopted the 2000 IBC and IRC.  The county has
adopted the 2003 IBC and IRC.  I can?t find a reference in the IBC codes
that reference a particular ASCE publication.  What I see in the Wind design
chapter is just a reference to ASCE 7, but doesn?t say if ASCE 7-98 or 7-02
should be used.  Can you help me out?  Should ASCE 7-98 be used with the IBC
2000 and ASCE 7-02 be used with the 2003 IBC or can the 7-02 be used with
Joe Grill

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