Thread: CHICAGO | Salesforce Tower | 850 FT | 60 FLOORS
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  #164  
Old Posted Apr 11, 2016, 3:00 PM
go go white sox go go white sox is offline
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Join Date: Apr 2015
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Quote:
Originally Posted by maru2501 View Post
they need to know if the surface parking lot will be stable?
No I believe these are soil rigs so they can determine the amount of contaminating soil in the area.