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Smurfit-Stone Building

150 North Michigan Avenue
Chicago IL United States

Construction Dates
Floor Count41
Building Uses
 - office
Structural Types
 - highrise
Architectural Style
 - postmodern
 - glass
 - steel
 - concrete, reinforced

 Heights ValueSource / Comments 
Roof582 ftCTBUH

• Architect & Designer: Sheldon Schlegman, A. Epstein and Sons International Inc.

• Located at the northwest corner of Grant Park, on the former site of the John Crerar Library, its spire top is oriented toward the lakefront, resembling a sailboat.

• Opened on 1984, initial plans could make it 5 stories taller.

• The southeast section is cut at the base, with a triangular column containing a public stairway to the nearby Metra train station.

• Its main design is a diamond-shaped slope, outlined with white light bulbs. On holidays it is commonly replaced with colored lights. Also on special occasions, the windows inside are lit in patterns spelling short messages as sports team names. It is splitted diagonally down of the middle. The right and left sides are slightly disjointed, and at the top they are actually separated by a gap.

• The official count of 41 floors does not include 5 levels of unused space atop the narrowest diamond portion.

• Service cores, rotated 45° in relation to the street grid, makes diagonally-oriented office floorplans allowing extraordinary southeast views.

• Yaakov Agam's sculpture, called "Communication - X9", would occupy the triangular niche at street level. Its colorful geometric patterns would change when the viewer walk around.

• Featured in the 1987 motion picture "Adventures in Babysitting"

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Drawing by James Raymond
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