A new skyscraper gracing the Chicago skyline is being built with a contribution of 2,530 tonnes of steel produced by Luxembourg-based company ArcelorMittal.

So-called '150 N Riverside' will comprise a 54-storey and 111,000 m2 office building featuring steel columns produced by ArcelorMittal Europe-Long Products at its Differdange mill. The building was commissioned by Riverside Investment & Development who involved architectural firm Goettsch Partners as designers, Magnusson Klemencic Associates for the structural engineering, and ArcelorMittal for steel production in the project.

The building will be constructed on the south branch of the Chicago River. 150 N Riverside has a smaller base compared to higher floors - a result of construction constraints created by an active rail yard preventing exterior columns from reaching solid ground. The weight of the building is therefore supported on its concrete core below level 8.

"After discussing numerous options with our client and Clark Construction, ArcelorMittal's products were determined to offer the most cost-effective approach for the structural system designed by Magnusson Klemencic Associates for this building," commented Robert A. Chmielowski of Magnusson Klemencic Associates. "The larger section and high-strength material provided the only 'off-the-shelf' sections that could resist the large forces."

Photo by ArcelorMittal