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RE: wind load diagrams

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There was a time I provided detailed wind load diagrams as part of my calculations for any structure. However, since it was rarely asked for or reviewed by the building official (plan check), I began to abbreviate the wind calculations. For most structures, of typical heights or minor in nature, I do not include a diagram. Only on structures in which significant height, or vertical or horizontal exposure create a more complex loading pattern, do I include diagrams.

I believe that part of the reason for my experience being such is that all my practice has been in California, where seismic loadings typically govern. In other parts of the country, you may have the reverse situation.

Thomas Honles, SE, PE

-----Original Message-----
From: L. Pack [mailto:Lloyd(--nospam--at)]
Sent: Monday, December 13, 2004 10:24 AM
To: seaint(--nospam--at)
Subject: RE: The failings ... I second the motion!


How often have you been required or had requests to include wind load
diagrams for the structures that you are designing.  Are the diagrams
in ASCE 7 not sufficient for your clients or do you provide them with
diagrams showing the various wind loading zones used to generate your
loadings on the structures?

I was recently asked to show these zones on a job, and was surprised
to get the request, as I've not run across that before.

What have others on this list done in their calculation packages?

Take care,
Lloyd Pack, P.E.

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