Thread: CHICAGO | 150 North Riverside | 752 FT | 54 FLOORS
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  #712  
Old Posted Feb 5, 2015, 8:32 PM
chrisvfr800i chrisvfr800i is offline
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Join Date: Dec 2008
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Quote:
Originally Posted by shakman View Post
Perhaps provide elevations for the next layer of steel? There appears to be duct tape at the bottom of the PVC tubes.
Grounding rod??