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Cook County Administration Building
 

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View across Daley Plaza - 2001-7 (109430)
(c) Daniel Kieköwer
 
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Base of the building from behind the Picasso - 2001-7 (203434)
(c) Daniel Kieköwer
 
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Identification
Official name Cook County Administration Building
Alternative names *
Emporis Building Number 116843
 
Location
Address *
Bordering street #1 North Dearborn Street
Bordering street #2 West Washington Street
Postcode *
Exact Latitude *
Exact Longitude *
Location Map (POI) *
Neighborhood Loop
District Downtown
City Chicago
State Illinois
Country U.S.A.
 
Technical Data
Height (tip) *
Height (struct.) 145 m 475 ft
Height (roof) *
Floors (OG) 35
Construction start *
Construction end 1964
GFA *
 
Building in General
Type of construction skyscraper
Architectural style *
Status completed

Facts
- The small plaza to the west has an untitled sculpture by Joan Miró, usually likened to a woman with a fork in her head.
- Originally corporate offices, the Brunswick Building was taken over by Cook County for government offices and courtrooms.
- The Loop Pedway System makes makes a wide detour as it passes under the building, making room for several retail establishments.
- The façade above the base sweeps back slightly in a curve similar to that of the Monadnock Building, another landmark of engineering on Dearborn Street.
- Uses a tube-within-a-tube structural system: both the core and perimeter are hollow, rigid tubes which brace the building and allow column-free interiors. This design is an advance from the single tube used in The Plaza on Dewitt; further variations by the same engineer (Fazlur Khan of S.O.M.) gave rise to the John Hancock Center and Sears Tower.
- The gravitational force of the outer tube structure is transfered at the base to a set of massive perimeter columns.
- This office tower is located directly opposite the Richard J. Daley Center and is connected underground by pedway.
- This was the tallest concrete office building in Chicago when it was completed.

News
- Deadly fire investigation underway (2003-10-20 18:34:00)

Companies involved in this Building*
Architect: Skidmore, Owings & Merrill LLP

Emporis Premium Companies: Bennett & Brosseau Roofing, Inc..

Other companies: Arthur Rubloff & Company, Washington-Dearborn Properties, Inc., George A. Fuller Company, Skidmore, Owings & Merrill LLP, Hill Mechanical Corporation.