R.R. Donnelley and Sons Co. Calumet Plant
Encyclopedia
The R.R Donnelley Printing Plant, sometimes known as the Lakeside Press Building or more simply The Calumet Plant and now known as the Lakeside Technology Center, was built between 1912 and 1929 to house the operations of the RR Donnelley printing company. The building supported printing operations for the company and was the Donnelley headquarters until 1991 when they moved the headquarters to 77 West Wacker
77 West Wacker Drive
77 West Wacker Drive, also known as the United Building, is an office building in the Loop, Chicago. Finished in 1992, the building rises to a height of 668 ft with around of interior space. The building, with 51 floors, was designed by Ricardo Bofill...

. In 1993, the plant was closed after the discontinuation by Sears, Roebuck and Co. of its mail-order catalog, which had been the last major account printed there. In 1999 the building was retrofitted and is currently owned by Digital Realty Trust operating as a carrier hotel
Colocation centre
A colocation centre or colocation center , is a type of data centre where equipment space and bandwidth are available for rental to retail customers...

 or data center
Data center
A data center is a facility used to house computer systems and associated components, such as telecommunications and storage systems...

. The newly outfitted building was the first and largest planned carrier hotel in the United States.

The building was designed by Howard Van Doren Shaw
Howard Van Doren Shaw
Howard Van Doren Shaw was an American architect. He became one of the best-known architects of his generation in the Chicago area.-Early life and career:...

 to be a fireproof design of poured reinforced concrete
Reinforced concrete
Reinforced concrete is concrete in which reinforcement bars , reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867. The term Ferro Concrete refers only to concrete that is...

 columns and an open-shell concrete floor. Although considered to be expensive by the standards of that time, T.E. Donnelley agreed that the support would be needed for the many tons of paper they used and large presses they operated. Supported by 4,675 steel-reinforced concrete columns, this type of construction not only served the Donnelly well, it also provided the perfect infrastructure for future tenants. To further the building’s support structure, reinforcing bars, normally laid perpendicular, were laid at various angles enabling the floors to bear loads of at least 250 pounds per square foot.

Current major tenants of the building include the Chicago Mercantile Exchange
Chicago Mercantile Exchange
The Chicago Mercantile Exchange is an American financial and commodity derivative exchange based in Chicago. The CME was founded in 1898 as the Chicago Butter and Egg Board. Originally, the exchange was a non-profit organization...

, Telx, Equinix
Equinix
Equinix, Inc. is an American public corporation that provides carrier-neutral data centers and internet exchanges. Equinix provides network-neutral data centers and interconnection services...

, and Qwest
Qwest
Qwest Communications International, Inc. was a large United States telecommunications carrier. Qwest provided local service in 14 western U.S. states: Arizona, Colorado, Idaho, Iowa, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, and Wyoming.On April...

.

Exterior ornaments depict symbols of printing history. Portions of the building, including the interior Memorial Library, were designed by architect Charles Klauder
Charles Klauder
Charles Zeller Klauder was an American architect best known for his work on university buildings and campus designs, especially his Cathedral of Learning at the University of Pittsburgh, the first educational skyscraper.-Biography:...

.
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