When the road crew for Prince Edward County, Ontario, started work at Demorestville Creek and County Road 5 on a Monday, they knew they had a big job ahead of them. How could they tear out a deteriorating concrete bridge and install a replacement by the following Tuesday? The answer was Super•Cor.
“The job was a two-way hurdle. We had to complete the bridge in time for school opening so that the buses weren’t rerouted, and we had to keep the road closed for as short a time as possible since the detour was 10 km,” says Pat Dunbar, AIL Technical Representative.
Total elapsed time of road closure was only 53 hours.
Workers began bolting the Super•Cor Box Culvert structure together on Monday morning. A day later, the structure was completed. On Wednesday morning excavators began tearing out the existing concrete bridge and began digging the trench for the Super•Cor Box Culvert. “Because we were using the Super•Cor system, it was only necessary to close the road from 10:30 on Wednesday morning till 3:30 Friday afternoon,” says Dunbar.
“This was an ideal location for a pre-made structure. Rock created a solid flat footing; we had room to assemble along the roadside; we maintained minimum road closure, with minimum traffic inconvenience and overall construction effectiveness. There’s no way anything beats that!” says Steve Carroll, County Engineer.
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