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The innovative Kenaston Flyover Bridge in suburban Winnipeg has won the 2017 Canadian Institute of Steel Construction (CISC) Manitoba/Northwestern Ontario Steel Design Award in the bridge category. Joint winners of the award are the City of Winnipeg (owner); Capitol Steel Corporation (fabricator/detailer/erector/member); Dillon Consulting Limited (structural engineer); M.D. Steele Construction Ltd. (general contractor); and Dowco Consultants Ltd. (steel detailer).
"A flyover is a hybrid overpass with a curve in the middle," said Kris Overwater, chief operating officer of Capitol Steel in Winnipeg. "It's located in the south end of Winnipeg, not far from the main campus of the University of Manitoba."
Capitol Steel supplied, delivered and erected the steel superstructure of the flyover. Containing 400 tonnes of steel, the six trapezoidal box girders were arranged in two lines of three and measure 115 feet long by seven feet deep and 11 feet wide.
Fabrication of the girders took four months in Capitol's 160,000-square-foot plant in Winnipeg.
"The main challenge we faced was dealing with the geometry of the girders...