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Inglewood sanitary trunk project

About this project

When water runs down a sink, drain or toilet, it becomes wastewater. To manage this wastewater, sanitary trunks are constructed to deliver wastewater to one of three wastewater treatment plants. The existing sanitary trunk that carries sanitary flow from North Calgary, Airdrie and Cochrane to the Bonnybrook Wastewater Treatment Plant is nearing capacity.

To meet the current and projected wastewater needs, we added 3.5km of new sanitary pipe. This new trunk is critical to maintaining a high-level of sanitary service to Inglewood and surrounding communities.

Construction update - September 2021

Starting Thursday, Sept. 6, crews will be paving the section of 13A Street S.E. south of 41 Avenue S.E. This work is expected to take three weeks. During this time the intersection at 41 Avenue & 13A Street S.E. will be partially closed for five days to facilitate work activities. One lane of traffic will always remain open and flaggers will be on site to assist traffic flow.

Project route and timeline

What is the route for the Inglewood Sanitary Trunk?

Click on image to enlarge and view microtunnelling route.

What is microtunnelling?

Microtunnelling is a method of installing utilities by digging shafts and then connecting them by underground pipes rather than digging large trenches. This allows us to install the pipe with fewer disruptions to traffic and community access.

Construction progress

Spring 2019 to Fall 2020 – Completed work

  • Construction of shafts 1 – 8
  • Installation of all sections of the trunk
  • Inner city tie in work at shaft 1

Spring 2021 - Upcoming construction

  • Landscape maintenance and deficiency work
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