What a bore life would be without humor to go along with bizarre/stupid
ideas.
Eric Hammarberg, Assoc. AIA
Vice President
Thornton Tomasetti
51 Madison Avenue
New York, NY 10010
T 917.661.7800 F 917.661.7801
D 917.661.8160
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-----Original Message-----
From: [log in to unmask]
[mailto:[log in to unmask]] On Behalf Of T. Gale
Sent: Thursday, March 15, 2007 4:33 PM
To: [log in to unmask]
Subject: Re: [BP] Wood in the Desert
There is some native but rare wood in AZ that might hold up well but it will
be a little hard to work with (i.e. traditional carpentry tools will be of
little use). Some is located in a National Park there so is probably off
limits but you may be able to find a supply locally outside the park. Other
sources can be found in Northern Canada, Australia, etc. but the best is
suppose to be found in Argentina. Other countries (India e.g.) have
protected their supplies as they are from
non-renewable forests (at least in the next few generations). Ask the
local supplier if they can get any what is commonly know as "PW" or
"petrified wood".
If you can't get any natural product there is suppose to be a lab in
Washington that has produced an artificial form. The process involves
soaking wood (pine and poplar for the experiment) in a hydrochloric acid
bath for two days then in a silica solution for another two. The product was
then cooked at 1400 °C in an argon atmosphere for two hours. The result was
silicon carbide ceramic which preserves the intricate cell structure of the
wood. They have been using small cubes in the experiment so I'm not sure
they are set up to do large scale pieces.
Perhaps they can advise how you might go about making it yourself.
See: http://www.livescience.com/technology/050127_petrified_wood.html
Wouldn't dare post this on that other humorless list for fear of being
expelled.
;^) ;^) ;^) ;^) ;^) ;^) ;^) ;^) ;^) ;^) ;^) ;^) ;^) ;^)
D. Ense
Jim Hicks wrote:
> On 3/15/07 1:08 PM, "Hammarberg, Eric"
> <[log in to unmask]> wrote:
>
> Okay folks I have a tough one. Some architect has called us for
> advice on using wood sunshields in the desert outside Phoenix AZ. He
> wants it exposed and untreated for a super high end project. Some
> runs will be over 200 feet long. Got any suggestions???
>
>
> Eric Hammarberg, Assoc. AIA
> Vice President
> Thornton Tomasetti
> 51 Madison Avenue
> New York, NY 10010
> T 917.661.7800 F 917.661.7801
> D 917.661.8160
> [log in to unmask]
>
>
>
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>
> What kind of 'sun shade'? What is a sun shade anyhow. The weather
> there is very hot and dry so untreated wood would probably have to
> come from the Sahara where those kind of woods have developed over
millennia.
>
> --
> JIM HICKS
> QUALITY RESTORATION WORKS, LLC
> V-212-929-6474
> F-212-989-0489
> C-917-575-8545
>
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