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EnCana and Cenovus Headquarters
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Structure in General
Retail and cultural space is approx. 200,000 square feet.
A typical floor is approximately 38,564 square feet.
400,000 metres of land were excavated for the project.
Substantial glazed areas lead to a reduction in the need for artificial lighting.
The building uses a raised-floor displacement ventilation system.
39,000 tonnes of steel and 900,000 square feet of glass were used in construction.
The shape and position of the tower allows for views, maximum sunshine, and also deals effectively with summer and winter wind patterns.
The building site area is 188,300 square feet and covers most of one full city block.
The EnCana headquarters provides space for 3,200 employees, once housed in five buildings.
Total cost for the project, on announcement day, was estimated to be between $850 million and $1 billion.
The advanced design uses glass and steel engineering that makes the building 30% lighter than any its size.
Canada's first trussed-tube skyscraper similar to
John Hancock Center
One Maritime Plaza
The steel-framed structure is crescent-shaped.
The solar heat collected in the atrium is redistributed, in winter by means of extraction, in summer using heat exchange. Redistribution reduces the load on the mechanical systems.
The building's shape deflects the prevailing winds, thus allowing for a lighter structure.
Tallest building in Canada west of Toronto, and the third tallest in Canada on completion.
Canada's second largest building in floor space after
First Canadian Place
in downtown Toronto.
The building is named after the river that runs beside Calgary's downtown.
The intersecting triangular sections of the south atrium wall form the largest diagrid of architecturally exposed structural steel (AESS) in the world.
At levels 24, 42 and 54 there are three six-storey-high sky gardens - indoor park-like levels with natural vegetation - with seating and meeting spaces serviced by express elevators.
The foundations are 3 metres thick and contain 14,000 cubic metres of concrete.
The raft slab for the foundation took 39.5 hours to pour and required 94 concrete trucks, making it the largest single concrete pour in Canadian construction history.
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Address as text
500 Centre Street Southeast
Downtown Commercial Core
Emporis Skyscraper Award Year 2012
Floors (above ground)
Floors (below ground)
Foster + Partners
Zeidler Partnership Architects
Also recorded for this building:
acoustics consultant, art consultant, civil engineering, construction management, consultant, developer, electrical engineering, elevator consultant, environmental consultant, facade consultant, facade supplier, fire protection engineering, glass supplier, landscape architect, lighting consultant, master plan architect, mechanical engineering, quantity surveyor, structural engineering, tenant, traffic consultant, wind surveyor
Features & Amenities
One of the city's famous buildings
Bicycle storage is available