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U.S.A.: Des Moines is marked with a red dot. 		Des Moines (Emporis Image No. )
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801 Grand
 



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(c) James Peacock

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(c) Marshall Gerometta

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(c) undefined

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(c) James Peacock

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Identification
Name
801 Grand
Alternative name
Principal Tower, Principal Financial Group Building, 801 Grand Avenue
Emporis Building ID
123036
Location
Main address
801-827 Grand Avenue
Main address
500-516 8th Street
Virtual address
501-519 9th Street
Virtual address
800-822 High Street
Address as text
*
ZIP
*
Complex
Principal Financial Group Complex
City
Des Moines
State
Iowa
Country
U.S.A.
Map and Surrounding Area
Technical Data
Height (tip)
*
Height (architectural)
192.03 m
Height (roof)
*
Floors (above ground)
45
Construction start
*
Construction end
*
Gross floor area
*
Structure in General
Construction type
skyscraper
Current status
existing [completed]
Facade material
granite
aluminum
copper
Facade system
curtain wall
Architectural style
postmodern
Usages
Main usages
commercial office
Side usages
commercial
Facts
The top half of the tower features a series of terraces and setbacks to visually decrease the building's impact on the city skyline.
801 Grand Avenue is topped by eight-sided pyramid, which being clad with copper provides a unique sign of the tower.
Tallest building in Iowa.
While still on the drawing board the idea of a new projected tower was to provide high-quality office space as well as an attractive addittion to the city's skyline, complementing the urban fabric of Des Moines' CBD.
The three lower floors housing retail space, with the top one being connected to the city skywalk system, and a private restaurant on the top two floors were designed following the investment requirements.
It was named one of the 50 Most Significant Iowa Buildings of the 20th Century by the Iowa chapter of the American Institute of Architects.
Companies involved in this building

architect: Hellmuth, Obata & Kassabaum

Other companies:
Brooks Borg Skiles Architecture Engineering, Waldinger Corporation, M.A. Mortenson Company, Baker Electric, Inc., Terrus Real Estate Group
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