Featured Project

Peninsula Harbour Sediment Remediation

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Location
Marathon, ON
Year
2012

Milestone Environmental Contracting Inc. was awarded a contract to install a thin layer sand cap over a 23.4-hectare area of PCB, mercury and metals contaminated sediment within Peninsula Harbour, Marathon, ON. Funded by Environment Canada and the Ontario Ministry of the Environment, this first-of-its-kind project in Canada was undertaken to create clean habitat for plants and animals and to accelerate natural recovery within the aquatic environment.

Type of Work
  • Soil and Groundwater Remediation
Key Services
  • Dredging and Dewatering
Key Highlights
  • First of its kind project in Canada was undertaken to create clean habitat for plants and animals and to accelerate natural recovery within the aquatic environment.
  • Installation of a continuous 15 to 20 cm clean sand layer over 23.4 ha of PCB, PHC, and
    metals contaminated sediment.
  • Remote site on Lake Superior required mobilizing all equipment, material (>35,000 tonnes) and supplies by barge from staging areas in Lake Huron (Manitoulin Island) and Sault Ste. Marie.
  • Imported sand was installed from a spud barge, supplied by rotating material barges, using a RTK‐GPS tracking and control system.

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