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The BowDownload Project Factsheet

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Official Name The Bow
Former / Other Name EnCana Headquarters
Type building
Status Completed
Country Canada
Province Alberta
City Calgary
Street Address 510 Centre Street SW (Map)
Building Function office
Structural Material steel
Proposed 2005
Start of Construction 2007
Completion 2012
Global Ranking #353 tallest in the World
Regional Ranking #63 tallest in North America
National Ranking #6 tallest in Canada
City Ranking #1 tallest in Calgary
Official Website The Bow
Height: Architectural 237.5 meter / 779 feet
Height: Occupied 216.7 meter / 711 feet
Height: To Tip 237.5 meter / 779 feet
Floors Above Ground 57
Floors Below Ground 6
# of Elevators 39
Top Elevator Speed 7.11 m/s
Tower GFA 199,781 m² / 2,150,425 ft²
Development GFA 304,781 m² / 3,280,635 ft²
# of Parking Spaces 1360
Companies Involved
Owner H+R Reit
Developer Matthews Southwest
Design Foster + Partners
Architect of Record Zeidler Partnership Architects
Structural Engineer Halcrow Yolles
MEP Engineer Cosentini
Main Contractor Ledcor Construction Ltd.
Other Consultants
• Acoustics Cerami Associates
• Energy Concept Transsolar
• Interiors Gensler
• Wind RWDI
Material Supplier
• Elevator Otis Elevator Company
About The Bow
A Tall Order In 2005, Foster + Partners were selected to design new headquarters for Encana Corporation, a North American energy giant based in Calgary. With its employees formerly housed in a number of buildings around the city, Encana needed a landmark building that would bring its staff together and, in providing a superb working environment, help the company to attract and retain the most talented people. Their vision translated into a brief for almost 186,000 square meters of office accommodation, along with abundant retail and public space. See Project Case Study
CTBUH Awards
2013 Best Tall Building Americas Winner
CTBUH 12th Annual Awards, (See the CTBUH Awards Book)

The Bow: Unique Diagrid Structural System
B.Charnish (Halcrow Yolles), T. McDonnell (Halcrow Yolles), CTBUH Dubai Congress

Technical Papers
Diagrid Structural System for a Sustainable Tall Building
B. Charnish (Halcrow Yolles), T. McDonnell (Halcrow Yolles), CTBUH Dubai Congress

Other CTBUH Links
The Bow, Calgary
CTBUH Featured Tall Building, 2013

News Articles
Construction Launched on Brookfield Place Calgary
CTBUH Global News, 2013-10
The Bow Celebrates Its Grand Opening in Calgary
CTBUH Global News, 2013-06
Bow Skyscraper Nearing Completion in Downtown Calgary
Calgary Herald, 2012-02
Bow's little brother back on track
Calgary Sun, 2011-01
New Calgary Skyscraper to 'Top Off' at 58 Stories
Winnipeg Free Press, 2010-07
A Boom in Office Towers in Calgary
The New York Times, 2009-01
Drumming Up Green Building
Sustainable Industries, 2008-10
Calgary's New Green Skyscraper by Foster + Partners
inhabitat, 2008-05