I saw this in the October issue of Chicago magazine, not sure if it has been mentioned yet.
http://www.chicagomag.com/Chicago-Magazine/October-2007/Vertical-Leap/
Vertical Leap
Old loft building elevates Quincy St tower. 565 west Quincy st.
By Dennis Rodkin
Condo towers in the city do seem to be rising taller, but at 565 West Quincy Street, a high-rise is getting a boost by standing atop an older loft building. At 565 Quincy, the developer Belgravia Group is adding
11 stories of steel and glass to a seven-story brick building put up in two phases in the 1920s and 1950s.
“The original building was built like a tank, to handle manufacturing,” says Jacob Kaufman, Belgravia’s executive vice president. This means that adding some residential floors above the original building presents no structural problem—and besides, says Kaufman, “we love being able to save it.”
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