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Date: | Thu, 29 May 2008 09:24:57 -0400 |
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Jack
There are a few issues worth considering. Where I have seen similar attempts to expose with a transparent cover, humidity is always the biggest problem. Depending on your climate, at many times of the year the cover tends to fog up. This can be ameliorated through venting, but you may want to consider a design that allows for easy access to remove condensation, and often atttendant mold growth. Another issue is burrowing critters. They tend to find a way into the trench or pit, and then impact floors and baulks. Anything you do will require maintenance.
Bob Genheimer
George Rieveschl Curator of Archaeology
Cincinnati Museum Center
1301 Western Avenue
Cincinnati, Ohio 45203
513-455-7161
513-455-7169 fax
-----Original Message-----
From: HISTORICAL ARCHAEOLOGY [mailto:[log in to unmask]]On Behalf Of
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Sent: Wednesday, May 28, 2008 2:44 PM
To: [log in to unmask]
Subject: Urban Site Preservation
Posted for Jack McIlroy.
We are planning to temporarily re-bury a recently excavated 1.4 metre deep
trench containing a cobbled stone floor and a solidly constructed dolerite
well in Fremantle, Western Australia. The trench will be about 3 metres
square amd 1.5 metres deep. Shoring the sides with treated wood and
burying with clean sand looks the best option to me but I'd like to hear
other suggestions.
Fremantle Council wants to re-open the site in a couple of years for
public display with a perspex or similar transparent cover over it with
interpretive signs and lighting. I have seen this approach work well in
several European cities and I've had input from several archaeologists in
Australia. I'd like to get some successful examples from urban America.
Fremantle is a seaport, the ca. 1840s site is in a park, it has been covered with
demolition debris and sand fill since about 1919. The dolerite stone floor
is about 1 metre above sea level. Siltation layers show the site was
occasionally subject to flooding.
I am looking for similar American examples of in situ preservation and display.
Jack Mc Ilroy
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