Featured Project
Randle Reef Stage 3 ECF Cap Construction, Phase 2
Location
Hamilton, Ontario
Key Services
- Dredging
- Dewatering
- Sediment remediation and capping
- Marine infrastructure construction
- Contaminated sediment remediation
- Water treatment
Description
The Randle Reef Sediment Remediation Project, located in Hamilton Harbour’s southwest corner, spans 60 hectares and addressed over a century of contamination. With 615,000 m³ of sediment polluted by PAHs and heavy metals, it was the largest PAH-contaminated sediment site in the Canadian Great Lakes. The Randle Reef Remediation Project is a joint initiative involving the Government of Canada, the Province of Ontario, City of Hamilton, Halton Region, City of Burlington, Hamilton-Oshawa Port Authority and Stelco.
Stage 3 of this multi-phase remediation effort is being carried out through a partnership with the Mississaugas of the Credit Business Corporation (MCBC) via MCBC Milestone Environmental Remediation LP, an Indigenous business majority-owned by MCBC.
This significant project aims to restore Hamilton Harbour’s ecosystem, improve water quality, and enhance fish and wildlife habitats. Future uses include new port land that will create new shipping facilities and economic growth.
Key Challenges
- Unstable Ground Surface: construction took place on a moving ground surface, adding significant complexity to the design and build process.
- Material Volume and Logistics: the substantial volume of materials required for the Engineered Containment Facility (ECF) presented logistical challenges. Additionally, these materials needed sufficient time to settle before subsequent project scopes could proceed.
Key Solutions
- Collaborative Problem-Solving: engaged stakeholders, designers, and contractors in a dynamic and flexible approach. On a shifting ground surface, adaptability was crucial. Design changes were addressed collaboratively to ensure solutions aligned with design intent while remaining practical to implement.
- Meeting project demands: preload materials were transported continuously—day and night, weekdays and weekends, regardless of weather conditions.
Stage 3 involved the construction and capping of dredged sediments using a combination of 155,000 m3 of recycled materials from Stelco, +11,000 wick drains, water treatment, +255,000 tonnes of aggregates, anchor blocks and tie rods, +245,000 m2 of geosynthetics and geomembranes, drainage piping, and 150,000 tonnes of preload material for settlement.
Vision:
MCBC Milestone Environmental Remediation LP is an Indigenous business majority owned by the Mississaugas of the Credit Business Corporation (MCBC). MCBC exists to develop and manage a portfolio of for-profit enterprises for its sole shareholder, the Mississaugas of the Credit First Nation (MCFN).
Plan:
MCBC Milestone Environmental Remediation LP is committed to advancing environmental remediation throughout the Golden Horseshoe, strengthening relationships, engaging with Indigenous communities, and delivering sustainable, community-focused solutions.
Outcome:
As a Canadian general contractor specializing in environmental remediation, we bring together qualified resources, specialized subcontractors, and suppliers to build the best project teams. Our success hinges on our ability to efficiently assemble the most qualified project teams to manage our clients’ environmental liabilities and provide a clean bill of health to each project we touch.
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