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One Canada Square
Canary Wharf, Docklands, London
associated engineer
Yolles Partnership
date  January 1985 - 1990
era  Modern  |  category  Building  |  reference  TQ375803
Architect Cesar Pelli's 50 storey office tower in London's Docklands was the first skyscraper to be clad in stainless steel. It is Britain's tallest building at 244m (800ft) and was the tallest building in Europe at the time of its construction.
The building takes the form of an obelisk — a square tower with a pyramidal top. The pyramid is 39.6m high and weighs 11 tons. An aircraft warning light flashes 40 times a minute from its peak night and day.
The tower consists of a steel frame expressed as closely spaced columns around the perimeter of the composite floors. The floors have steel cores. The building has 3,960 windows and is clad in approximately 34,400 sq m of stainless steel. Altogether 27,000 metric tons of steel and 500,000 bolts were used in the tower's construction. The structural design allows for almost 350mm deflection at the top of the building in order to cope with the strongest winds expected — those that might occur once in a 100 years.
The average area of the office floors is 2,600 sq m. The lift can whisk you from the marble-lined lobby to the 50th floor in 40 seconds.
Architect: Cesar Pelli & Associates (Pelli Clarke Pelli)
reference sources   www.emperium.com

One Canada Square