McHugh Bluff slope remediation project

Project update – October 2024

Construction for the slope remediation is scheduled to begin by the end of October 2024. The work will start on the upper portion of the slope, with stabilization of the lower portion to follow.  Construction is expected to be completed summer 2025.

For the safety of all pathway users and to prevent further erosion, the pathway will remain closed until all remediation work is complete.

Project overview

In August 2021 following heavy rainfall, a section of the McHugh Bluff slope behind 3 Avenue N.W. become unstable. The City of Calgary initiated monitoring and engaged a consultant to conduct a geotechnical assessment. Based on their findings, a remediation plan was developed to address the slope stability.

Key components of the remediation include:

  • Installation of soil nails with shotcrete
  • Placement of sheet drains
  • Installation of horizontal slope drains
  • Application of high-strength wire mesh, steel plates, and geosynthetics
  • Reconstruction of the existing gabion basket retaining wall adjacent to the pathway

Short-term measures

In spring 2022, short-term measures were implemented, including the placement of coir matting to secure erosion gullies and delay further surface erosion.

Pathway status

The pathway will remain closed until the completion of all remediation efforts. Please refer to the map below for detailed information about closures and detours.

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 will begin in October 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 is finished, the pathway has been closed. Please follow the signs onsite and use the detours provided.

Timelines

  • Contract award: September 2024
  • Construction: October 2024 – July 2025
  • Construction break: January 2025 – April 2025
  • Construction completion: Summer 2025

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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