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Old Posted Nov 17, 2006, 3:20 PM
biophilic biophilic is offline
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Join Date: Jul 2006
Location: chicago/seattle
Posts: 82
Quote:
Originally Posted by BVictor1
i don't know if it will be used for caissons for the tower, or if there are tunnels that are below the site. if there are tunnels, they will have to be filled with grout.
There is a tunnel that runs from Blue Cross up through the site and then over to Columbus Dr. So you are probably right on why its there.
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