Rebecca Trunk Wastewater Main: Project of the Year

As part of an effort to keep pace with a growing population, Halton Region, located within the Greater Toronto Area (GTA) in southern Ontario, began a program to update its sewer system. One major component of that program, the Rebecca Trunk Wastewater Main, not only represented a major step in meeting future infrastructure demands for the region but also for microtunneling in North America.

RELATED: Twinning the South Surrey Interceptor

The Rebecca Trunk Wastewater Main project involved more than 4 km (2.5 miles) of 1,200 and 1,350 mm (48 and 54 in.) microtunnels within Oakville, an urban and affluent town along the shore of Lake Ontario. The project included nine microtunnelingdrives (eight curved) ranging in length from 180 to 626 m (590 to 2,053 ft), with seven of the drives completed in rock.

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