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Re: ASCE 7-02: Live Load on Canopy

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Bill
I'd be concerned if, G'd forbid, some dope gets hurt
on the canopy, doing something stupid, and the
investigation determines that you designed it for 20
psf while the "book" said 70 psf. How do you explain
that to a judge and jury?
Irv

--- "Polhemus, Bill" <BPolhemus(--nospam--at)wje.com> wrote:

> I'm checking a canopy design. Referring to Table
> 4-1, reference
> "Marquees and canopies" (middle of Page 13) it reads
> "75 psf."
> 
> Could that be right? Does this have other
> limitations that may not be
> apparent here? For instance, the canopy under
> consideration here is a
> free-standing canopy that serves a shelter for
> people waiting to board a
> bus. It is not supported on or against a building
> wall.
> 
> 75 psf just sounds MUCH to me. It certainly has a
> great impact on the
> column design!
> 
> Opinions fervently solicited.
> 
> William L. Polhemus, Jr. P.E.
> Senior Associate
> mailto:bpolhemus(--nospam--at)wje.com 
> WJE
> Wiss, Janney, Elstner Associates, Inc. 
> Engineers I Architects I Material Scientists
> 10235 West Little York, Suite 245
> Houston, Texas 77040
> P: 832-467-2177 F: 832-467-2178
> http://www <blocked::http://www/> .wje.com 
> 
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