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CHICAGO | St. Regis Chicago (Vista) | 1,191 FT | 101 FLOORS
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Feb 26, 2017, 2:14 AM
malstorm
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Join Date: Mar 2007
Posts: 1
One of my friends owns a concrete pumping business. He said that the placement boom is a putzmeister and is self jacking to go up as the building rises. Watched forum for years never posted. Thought I would give some insight.
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