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Nose Creek Sanitary Trunk Sewer Upgrade – Phase A

Upgrade of a major sanitary trunk sewer in the environmentally sensitive Nose Creek valley

  • 4.2KM

    Long

  • 2

    Tunnels

  • 1800

    mm Diameter Pipe

  • Calgary, Alberta

    Calgary, Alberta

An upgrade in a busy, environmentally sensitive area

Located within an environmentally sensitive area, the Nose Creek sanitary trunk sewer required a significant upgrade. We worked with the City of Calgary to minimize impacts while keeping a diverse range of stakeholders including the Calgary Zoo, two golf courses, and several community associations engaged.

Numerous environmental assessments, a geotechnical investigation, and a detailed review of existing utilities and existing/proposed transportation infrastructure were completed to assist with route selection for the 4.2 kilometre upgrade. Three critical crossings were identified that included a major roadway, the Trans-Canada Highway (TCH), and a creek. Trenchless and conventional construction methods were investigated and evaluated for each of the crossings. An open cut (isolation) crossing method was selected for Nose Creek, and tunneled crossings for Memorial Drive and 16th Avenue (TCH).

The presence of a formal landfill site further complicated the project. The team developed mitigating measures and successfully implemented them for the portion of the sewer (including the Memorial Drive tunnel) that crossed the landfill.

At a Glance

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Meet Our Team

Francis Rozsa, Principal, Water

Water is our most valuable resource, and we must strive to find better ways to protect it.

Denis Ho, Transportation Engineer

Our built environment should be sustainable, accessible, and offer mobility options for everyone—regardless of how they travel.

Francis Rozsa

Principal, Water

Denis Ho

Transportation Engineer

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  • Design your career

    Work with passionate people who are experts in their field. Our teams love what they do and are driven by how their work makes an impact on the communities they serve.

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