Peninsula Harbour Sediment Remediation
Type of Work
Soil and Groundwater Remediation
Key Services
Dredging and Dewatering
Location
Marathon, ON
Year
2012
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.