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801 Grand

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Identification

801 Grand
Principal Tower, Principal Financial Group Building, 801 Grand Avenue
123036

Map

Structure in General

skyscraper
existing [completed]
caisson foundation
aluminum
copper
granite
curtain wall
postmodernism

Usages

commercial office
mercantile

Facts

  • 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.
  • 801 Grand Avenue is topped by eight-sided pyramid, which being clad with copper provides a unique sign of the tower.
  • 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.
  • The top half of the tower features a series of terraces and setbacks to visually decrease the building's impact on the city skyline.

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More Information

Location

801-827 Grand Avenue, 500-516 8th Street
800-822 High Street, 501-519 9th Street
801 Grand
50309
Des Moines
Iowa
U.S.A.

Technical Data

630.02 ft
630.02 ft
630.02 ft
45
1989
1991

Involved Companies



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