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RE: residential pier foundation design

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Spiral reinforcing is a regional thing.  A friend at U. of Michigan wanted
to get some spriral reinforcing for a research specimen.  No one in
Michigan could produce it.  He ended up having to get a rebar fabricator
in Pittsburgh due it and ship it to Ann Arbor.


On Wed, 9 May 2001, Bill Polhemus wrote:

> Funny how that works. I detailed using spiral for some drilled shaft
> foundations here, and (1) the contractor didn't know what the h*ll it was;
> and (2) claimed that it would cost a FORTUNE.
> Go figure.
> William L. Polhemus, Jr., P.E.
> Polhemus Engineering Company
> Katy, Texas
> Phone 281-492-2251
> Fax 281-492-8203
>   -----Original Message-----
>   From: Cain, William [mailto:bcain(--nospam--at)]
>   Sent: Wednesday, May 09, 2001 11:07 AM
>   To: 'seaint(--nospam--at)'
>   Subject: RE: residential pier foundation design
>   Jeff-
>   #3 @3" pitch is not an unreasonable design and is quite builder friendly.
> The contractors I've worked with prefer spirals to stirrups as the cost to
> obtain is minimal here in the Bay Area. Also, they are easy to tie into
> cages prior to installing.

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