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Bioengineering Demonstration & Education Project - Pearce Estate Park to the Inglewood Bird Sanctuary

Bioengineering promotes bank stabilization and erosion control, creation of fish and wildlife habitat, water quality improvement and increased resiliency to future flood and drought.

The City of Calgary and Alberta Environment and Parks are partnering together in this demonstration to improve fish habitat and stabilize slopes between Pearce Estate Park and the Inglewood Bird Sanctuary, while at the same time testing the effectiveness of various techniques. Our goal is to increase awareness and understanding of how bioengineering structures are built, as well as the benefits they can bring to our watershed. The result will be the increased use of successful bioengineering techniques in Calgary, and across the province.

Project Objectives

  • Creating fish and wildlife habitat
  • Stabilizing steep slopes
  • Increasing City and Provincial knowledge of bioengineering techniques
  • Improving the area's aesthetic value

Project Milestones

July - October 2016 Concept Design
Nov. 2016 - Feb. 2017 Preliminary Design
March 2017 - May 2017 Final Design
Spring 2018 Construction begins* (*date may change)

Pearce Estate Park rendering

Project impacts and restoration plans

  • Temporary closure of the current regional pathway during construction, to be replaced by a new and improved regional pathway and a new nature trail.
  • Temporary impacts during construction will be mitigated with erosion and sediment control plans, and Environmental Construction Operations plans.
  • Steep areas will be graded into stable terraced riverbanks, which will include removal of trees, the majority being ornamental and not native to southern Alberta.
  • Over 150 new native trees and thousands of native shrubs will be planted to restore a natural forested corridor.
  • After project completion, fish and wildlife habitat will be improved, and the naturalized corridor will provide enhanced opportunities to experience nature along the Bow River.

Proposed River bank restoration and stabilization