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Re: Crack monitoring

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Jim,

The Avongard monitors are much more inpressive to the client.

Best regards,
 

Ken

Kenneth S. Peoples, P. E.
LVTA
Lehigh Valley Technical Associates, Inc.
1584 Weaversville Road
Northampton, PA 18067

Phone: 610-262-6345
Fax:610-262-8188
Email: kpeoples(--nospam--at)lvta.net

----- Original Message ----- 
From: "Jim Wilson" <wilsonengineers(--nospam--at)yahoo.com>
To: <seaint(--nospam--at)seaint.org>
Sent: Wednesday, March 16, 2005 12:32 PM
Subject: RE: Crack monitoring


> That's worth three stars for creativity, cost and
> advertising!
> Thanks.
> Jim
> 
> --- Nels Roselund <njineer(--nospam--at)att.net> wrote:
> > Jim,
> > 
> > I use two of my business cards, one partially
> > overlapping the other; one
> > adhered to one side of the crack, and the other
> > adhered to the other side.
> > I then carefully mark two straight perpendicular
> > lines onto the cards with a
> > fine-point pencil, both lines extending onto both
> > cards, and date the lines.
> > A displacement across the crack will show up as an
> > offset in one or both
> > lines, indicating the amount of displacement and the
> > direction.  For
> > exterior surfaces, I use plastic cards.  If there is
> > displacement, new lines
> > may be marked and dated periodically.  I also mark
> > and date the ends of
> > cracks.
> > 
> > I've had folks, new owners, call me after finding my
> > cards still on the wall
> > years after I placed them. 
> > 
> > Nels Roselund, SE
> > South San Gabriel, CA
> > njineer(--nospam--at)att.net
> > 
> > -----Original Message-----
> > From: Jim Wilson [mailto:wilsonengineers(--nospam--at)yahoo.com] 
> > Sent: Wednesday, March 16, 2005 6:47 AM
> > To: seaint(--nospam--at)seaint.org
> > Subject: Crack monitoring
> > 
> > Where can stick-on concrete crack monitoring gizmos
> > be
> > purchased?
> > 
> > Jim Wilson, PE
> > Stroudsburg, PA
> > 
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