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Your Location: World North America U.S.A. Iowa Des Moines 801 Grand

801 Grand

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

Usage

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.
  • 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.
  • 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.

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More Information

Location

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

Technical Data

630.02 ft
630.02 ft
630.02 ft
45
1989
1991

Involved Companies

Architect:

Also recorded for this building:

electrical contractor, electrical engineering, general contractor, mechanical systems installation, property management