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The Nexen Building is a high rise office building in downtown Calgary, Alberta, Canada. It is a 37-storey skyscraper, with a height of 152 m (499 ft).〔Emporis. (Nexen Building )〕 The commissioner and main tenant of the building is the Chinese-owned energy company Nexen. It was designed by ''CPV Group Architects and Engineers Ltd'' and built by ''CANA Construction Company Limited''. The late modernist building was completed in 1982. The Nexen Building (formerly the Nova Corporation headquarters building) employs a composite stub-girder steel frame floor system,〔Stringer, David C. "(Staggered Truss and Stub Girder Framing Systems in Western Canada )." ''Technical paper published by the Canadian Steel Construction Council''. 1982. Retrieved on January 20, 2009.〕 originally developed in part by Joseph Colaco.〔Colaco, Joseph P. "(A Stub-Girder System for High-Rise Buildings )." ''Technical paper presented at the AISC National Engineering Conference, New York''. May 1972. Retrieved on January 20, 2009.〕 ==See also== *List of tallest buildings in Calgary 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Nexen Building, Calgary」の詳細全文を読む スポンサード リンク
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