Instream Works

Fairmont Creek Flood Diversion and Mitigation

Ironclad was prime contractor on the Fairmont Creek Flood-Debris Mitigation project for the Regional District of East Kootenay, providing general contracting, waterworks construction, and road construction services.

KEY DETAILS

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Contract Value

$1,740,000

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Project Owner

Regional District of East Kootenay

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Completion Date

December 2018

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Project Role

Prime Contractor

Scope of Work

  • Tree clearing.
  • Access road construction.
  • Common excavation of over 20,000 m3 and 6,000 m3 of aggraded creek bed sediment.
  • Two sediment trap basins.
  • Construction of five rock weirs using on-site salvaged rock.
  • Import of 4,000 tonnes of over-sized riprap.

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Resources & Challenges

  • Total Crew: 10 Persons
  • Equipment Used:
    ‍    3 Excavators, 4 Rock Trucks, 2 Dozers, 1 Compactor, 8 Highway Trucks.
  • Challenges:
    The project faced challenges due to its proximity to the Fairmont Hot Springs Resort during peak season, necessitating strict traffic management and frequent work shutdowns for visitor events. Additionally, higher-than-average in-stream water flows required a comprehensive water and turbidity management strategy.

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Project Timeline

//   May 2023

Drilling & Pressure Grouting

Ironclad completes the grout curtain in bedrock that required 46 holes including 450 linear meters of drilling and 8,150 liters of pressure grouting required to complete this scope.

//   May 2024

Sheet Pile Core Wall & Concrete Work

Ironclad completes 3,200 m2 of sheet pile core wall built on and within the confines of bedrock that required 420 m3 of reinforced cast-in-place concrete.

//   July 2024

Embankment Structure

Ironclad completes the rock embankment structure that has a total height of 50 meters and required 180,000m3 of rock backfill obtained from the onsite blasting operations required for the spillway. 

//   September 2024

Spillway and Concrete Work

Ironclad completes the diversion spillway that is drilled 
and blasted into the bedrock proximate to the embankment structure on the east side. The work required 109,000 m3 
of drill and blast rock excavation and 352 m3 of reinforced cast-in-place concrete.

//   October 2024

Final Dam Commissioning

Ironclad completes all the electrical and mechanical scopes and successfully commissions the dam and turns asset over to the Town of Canmore.

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