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Re: The Most Ridiculous Item of the Day (with apologies to Bill O'Reilly)

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We should run a contest for TMRIotD (Idiot Award?)
Gary

On 11 Jan 2006 at 7:39, Bill Allen wrote:

> Now I know I have finally made it to the Big Time T. I have recently
> been retained to design a light standard foundation. The light
> standard is 5" square and 25 feet tall with a light fixture at the
> top. The footing projects 2'-6" above grade and is 2'-0" in diameter.
> The installation is in Southern California (BTW, it's going to get to
> 70o F today) which means I have designed this "structure" to the 1997
> UBC / 2001 CBC.
> 
> 
> 
> The "project" was plan checked by an outside consultant who shall
> remain unnamed. The plan checker is an SE and his number is only about
> 400 higher than mine. At a passing rate of 100/year, that means he
> probably passed in 1987-1988 or so. So, it's not like he's a neophyte.
> 
> 
> 
> I've got a plan check list consisting of six items, four of which are
> structural.
> 
> 
> 
> I'll limit my post to The Ridiculous Item of the Day. Since the top of
> the footing projects 2'-6" above grade, he is requesting that the
> footing be designed as a concrete column with a minimum reinforcing of
> 1%. He is citing CBC section 1910.16.8.6 but I believe he really means
> 19.10.1 since the footing is not a composite section. For a 2'-6"
> diameter section, this means I need to provide (don't laugh) 9-#8
> bars!
> 
> 
> 
> Now, I can find a few references to reinforce (sorry for the pun) my
> argument that this section is not a column (Pu<0.10f'cAg, d/L>3,
> tension controlled section, etc.), but I seem to recall a section of
> the code where it was very clear that, if Pu<0.10f'cAg, then the
> section can be considered a beam and not a column. Unfortunately, I
> can no longer find that specific section in the code.
> 
> 
> 
> Is this still applicable? Am I dreaming that there is an exception in
> the code?
> 
> 
> 
> Thanks,
> 
> 
> 
> T. William (Bill) Allen, S.E.
> 
> ALLEN DESIGNS <http://www.AllenDesigns.com> 
> 
> Consulting Structural Engineers
> 
> 
> 
> 



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