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GRAHAM CONSTRUCTION - The two gantry cranes used by Graham Construction travel along the Groat Road bridge’s superstructure to move heavy sections of the bridge. Grundke said the traditional technique of building berms to perform the work started to seem more difficult than usual as the team needed to keep traffic lanes open and could “only block 60 per cent of the river to allow the water to go through but also for recreational purposes.” The majority of the abutments were replaced, some of the piles were kept and some of the wing walls and the piers as well.” “We went and did a full superstructure replacement and a fairly heavy rehab on the substructure. “It’s a critical transportation link between downtown Edmonton and the university area,” said operations manager with Graham, Stephanie Grundke, in an interview with the Journal of Commerce.ĭue to the bridge’s importance and to reduce environmental impacts and costs, Graham was tasked with performing a major rehabilitation instead of building a new bridge. Graham was contracted to rebuild the Groat Road bridge over the North Saskatchewan River, a 330-metre-long, four-lane bridge built in the 1950s and reaching the end of its lifespan. When Graham Construction won the $45.6 million contract to repair the Groat Road bridge in Edmonton, the team didn’t know they would need to use a technique never seen before in Canada to get the job done.

Nyc engineer crane lift plan crane engineering