Client: Related Midwest (LR Development)
Site: 28,000 square feet
Use: 203 Park Hyatt Hotel rooms, 117 residential condominiums and 25,000 square feet of retail space.
Structure: Reinforced concrete
Facade: Limestone and pre-cast
Details: 300-ton tuned mass damper stabilizer
Data: In 2015, a penthouse sold for $18.75 million, the highest price ever paid for a home in Chicago.