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McHugh Bluff slope remediation project

Project update – October 2023

We are continuing to monitor the site for changes in slope conditions and stability. Geocoir matting will be replaced in areas on the upper part of the slope to help mitigate erosion.

Remediation designs are complete, and we are in the process of finalizing area approvals and agreements, after which construction will begin.

Slope remediation will start on the upper portion of the slope, and once that is complete, we will stabilize the lower portion of the slope. We anticipate construction will begin in 2024.

For the safety of pathway users and to mitigate further erosion, the pathway will remain closed until all slope remediation work been completed.  

Project overview

In August 2021, heavy rain caused a section of the McHugh Bluff slope behind 3 Avenue N.W. to become unstable. The City of Calgary engaged contractors to monitor the site and provide a geotechnical report of the slope failure. Following their review, a plan was presented to Council to remediate issues along the slope, both in the short-term and long-term. This remediation work includes installing:

  • soil nails with shotcrete
  • sheet drains
  • horizontal slope drains
  • high strength wire mesh/steel plates/geosynthetics
  • reconstruction of the existing gabion basket retaining wall adjacent to the pathway

Short-term remediation measures were completed on part of McHugh Slope in spring 2022. To delay surface slope erosion in the short-term, the erosion gullies were secured with coir matting.

The pathway along the McHugh Bluff is closed for the foreseeable future due to the slope failure. Please see the map below for the closure and detour.

Frequently Asked Questions

Is there currently any danger to the adjacent homes?

No, The City of Calgary and our contracted partners continue to monitor the slope. Repair work is expected to begin in 2024.

Why is the pathway closed?

Following the slope failure, trees and other material fell onto the pathway. Out of an abundance of caution and to protect the stability of the slope until remediation work can begin, the pathway has been closed. Please follow the signs onsite and use the detours provided.

Timelines

  • Preliminary design: Fall 2022
  • Contract tender: 2024
  • Contract award: 2024
  • Construction: 2024

Related information

Contact us

Email the project team

This information has no legal status and cannot be used as an official interpretation of the various bylaws, codes and regulations currently in effect. The City of Calgary accepts no responsibility to persons relying solely on this information. Web pages are updated periodically. ​

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