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Foster unwraps completed Calgary tower

Foster and Partners has completed this 237m-tall office tower in the Canadian city of Calgary.

Opened this week, The Bow has become the city’s tallest building and houses the shared headquarters for North American energy company Encana and Canadian oil company Cenovus.

The scheme is being billed as ‘the first major development on the east side of Centre Street’ and the publicly accessible base of the tower is filled with ‘shops, restaurants and cafés’ which spill out into a plaza.

The skyscraper houses three, six-storey sky gardens at floors at levels 24, 42 and 54 and links in with Calgary’s system of enclosed walkways, which offer ‘a retreat from the city’s harsh winters’.

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The architect’s view - Nigel Dancey, senior partner at Foster + Partners:

‘The tower’s form was shaped by the unique Calgary climate – facing south, the building curves to define a series of spectacular light-filled six-storey atria, with mature sky gardens, cafés and meeting areas, which bring a vital social dimension to the office floors.

‘This principle extends to the base of the tower, which is highly permeable, with a +15 enclosed bridge connection to downtown, an atrium of shops and cafés and a fantastic new plaza.

‘Every aspect, from the raised floors to the diagrid structure, is designed to be highly efficient. The Bow is a bold new symbol for Calgary, and is testament to the strength of our team and excellent local relationships.’

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Source: Nigel Young

Previous story (AJ 13.10.2006)

Foster and Partners has revealed plans for this tower in the Canadian city of Calgary.

Foster’s mixed-use project will become the headquarters for the new EnCana corporation, a major player in the North American oil market.

The scheme, called The Bow, will also attempt to develop a social and cultural hub for the area, east of Centre Street.

Norman Foster said: ‘We are thrilled to be working with an enlightened client, to realise not only a highly innovative new headquarters building, but also a civic destination for Calgary that can be a catalyst for the regeneration of the surrounding area.’

One of the potential problems for the project is the presence of a series of ‘early 20th-century buildings’, on the site, which represent architectural heritage in the city.

Work is set to start in spring next year - pending City of Calgary approvals.

by Ed Dorrell

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