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RE: Contec AAC
- To: <seaint(--nospam--at)seaint.org>
- Subject: RE: Contec AAC
- From: "John L. Smart" <smartj(--nospam--at)lrengineers.com>
- Date: Mon, 7 Jan 2008 12:55:13 -0500
AAC is included in ACI 530-05.
John L. Smart, PE
Lindsey & Ritter, Inc.
401 East Jane Street
Valdosta, GA 31601-4062
From: Harold Sprague
Sent: Friday, December 28, 2007 6:12 PM
Subject: RE: Contec AAC
Dr. Richard Klingner from Texas has been tasked to work with the AAC people to
get AAC into the building code. He knows the testing performed to
date, the construction practices and what the code is intending. He is
having a bit of an issue getting building code developed.
Just because something is not in the code does not necessarily make it
"illegal" to use. It adds significantly to the degree of
engineering effort. I would talk to Richard to find out what he would
recommend. I would also bill hourly.
> Date: Fri, 28 Dec 2007 09:33:12 -0800
> From: chris(--nospam--at)jdwylieengineering.com
> To: seaint(--nospam--at)seaint.org
> Subject: Contec AAC
> Hi All,
> We've been asked to bid on a residence that is going to be built out
> of Contec Autoclaved Aerated Concrete (AAC). I've not worked with the
> material before and am trying to get a handle on it before putting a
> number on the proposal.
> There is an older ICBO report on it, but that states that it can't be
> used in Seismic zones 3 or 4, and since the project is in the SF Bay
> area (zone 4) it seems like it's not going to work.
> Does anyone on the list have experience designing with this material?
> If so, can you point me to some good references and - hopefully - a
> more recent ICBO report?
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