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Project Profile

The Bow


Calgary, AB

Stretching across two city blocks, The Bow is a 58-story tower in Calgary, Alberta. This enormous project holds the record for being the tallest building in Calgary, and for having the largest continuous foundation concrete pour in Canadian history.

The Bow used 43,000 tons of structural steel and 83,000 m2 (900,000 ft2) of glass. The concrete pour took place over the course of three shifts, involved 500 people, and simultaneously required between 75 and 95 concrete trucks pouring continuously.

Through careful building orientation, the tower is able to harness the power of the sun to heat and cool the structure. Its signature “bow” shape vastly reduces wind resistance, increases exposure to sunlight, and allows for more windows to be incorporated into its design.

The Bow has received several awards of distinction, including the 2012 National Steel Design Award, being named one of Azure magazine's Top 10 Projects of 2012, named to Emporis' World's Most Spectacular Corporate Buildings, ranked in the top five of the Best Skycrapers in the World by Emporis in 2013, and being recognized as The Best Tall Building: Americas by The Council on Tall Buildings and Urban Habitat.

Project Highlights

  • Largest continuous concrete foundation pour in Canadian history
  • Calgary’s tallest building
  • 2 million ft2 office space
  • Below-grade parking structure (for public and EnCana) to hold 1,390 vehicles and 420 bicycles (320 below grade and 100 above grade)
  • Height: 236 meters (775 feet)
  • 58-stories – including three floors with sky gardens and two retail floors
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