Central Contractors’ Potain MD 485 in Chicago

The building stands on the site of the Masonic temple, once Chicago’s tallest building and still one of the most important early skyscrapers in the city. When finished, it will rise to 409ft with 31 storeys.

The crane has a hook height of 430 ft (131m) and 131 ft (40m) jib.

Central Contractors is part of the All Erection and Crane Rental Corp. The developer is Smithfield and the concrete contractor is Adjustable Forms.