Cold Spring Creek Debris Flow Mitigation Project

The Fairmont Flood & Landslide Service is in place within the community of Fairmont. Within the Service Area, the RDEK has debris flow mitigation infrastructure on both Fairmont Creek and Cold Spring Creek. This infrastructure is regularly inspected and maintained as needed.

After completing a multi-phase debris flow mitigation project on Fairmont Creek in 2018, debris flow mitigation on Cold Spring Creek was identified as a priority project by the RDEK Board in its 2019/2020 Strategic Plan. The project has received significant funding: 91.5% from federal and provincial funding streams.

Construction is underway and project updates can be found below in the PROJECT UPDATES tab below.

If there are any questions about the project, please don’t hesitate to contact the project manager at the RDEK, Kara Zandbergen at kzandbergen@rdek.bc.ca.

Other Related Projects in Fairmont

  • Fairmont Creek Hazard & Risk Assessment

    The Fairmont Creek Debris Flow Hazard and Risk Assessment and Mitigation Options project is underway. This work is required because the current plan is old, outdated and several events have transpired since it was completed. The contract was awarded to BGC Engineering who will be on site August 26-29 to begin their onsite investigation. BGC will update the existing Assessment to include recent events and constructed infrastructure, and recommend additional mitigation measures if necessary.

  • Fairmont Guidance Project

    The Fairmont Guidance project will soon be underway. A contractor has just been hired and will develop a series of recommendations to help guide development in identified risk areas within Fairmont. Staff will be meeting with them in the next couple of weeks to officially launch the project and identify the community consultation plans, which will form part of the early stages of the project. More information will follow once details have been confirmed.

PROJECT UPDATES/NEWS

PROJECT OVERVIEW

We are building a large debris flow barrier that is designed to contain between 68,000 to 90,000 cubic meters of debris flow material which is roughly a 100 to 300 year debris flow event. This project will significantly reduce the debris flow risk in the community.

There are a few key construction components:

  1. The Barrier and Outlet Structure: The barrier will be approximately 8m tall above the existing Cold Spring Creek channel with a 3m wide vertical outlet opening at the channel. The outlet will have steel bars that will capture debris but allow water to pass through. The barrier will be constructed of roller compacted concrete (RCC) which is a concrete mixture that is placed in lifts and compacted.
  2. The Creek Diversion and Basin: There will be a basin excavated behind the barrier for debris storage and the creek will be diverted into the basin and will then flow out of the outlet structure which will be located at the existing Cold Spring Creek channel.
  3. The Water Lines: The water lines that service the community are located in the project area. The lines will be reinforced and relocated as part of the project. There will be a brief interruption to the water service to the community later this fall when the new lines are tied in.
  4. The Access Road: An access road will be constructed to upstream of the barrier for both construction and future maintenance.

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