Duncan Dam Fish Weir Slope Stabilization

Duncan Dam Fish Weir Slope Stabilization

Project summary
ProjectDuncan Dam Fish Weir Slope Stabilization
Location43 km north of Kaslo, BC
Client NameIDL Projects / BC Hydro
Start Date – End DateApril 2023 to June 2024
Contract Value$428,356

Norpac was a subcontractor to IDL Projects for a slope stabilization program at the Duncan Dam. The scope of work included the following:

  • Rock scaling
  • 21 rock dowels
  • 15.6 linear metres of rock anchors
  • 47 concrete anchors
  • Approximately 560 m2 of rockfall drape mesh (installed per MoTI specifications)


The site presented multiple challenges, including difficult-to-access terrain, rockfall hazards, environmental risks with the site being located adjacent to a sensitive water course, and variable ground conditions.