Tag Archives: Bow Building

NAFA honours 32 recipients with clean air awards

The National Air Filtration Association (NAFA) has announced the winners of its 2015 Clean Air Awards. The award is presented each year to building owners and managers in Canada and the United States that take the steps to significantly improve indoor air quality (IAQ) by increasing the level or efficiency of the HVAC air filtration system in 10 specific categories.

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Calgary’s Bow: An iconic skyscraper revisited

With its iconic crescent-shaped, inversely curved form, the Bow is a striking presence on Calgary’s skyline. Designed by Foster + Partners of London, this 59-storey tower features a vast atrium partitioned in four clear-height sectors with the façade integrating an architectural exposed diagonal grid structure in six-storey segments. The perimeter ‘diagrid’ frame helps make up the building’s hybrid lateral force-resisting system (LFRS).

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