Featured Project
Thunder Bay Airport Former Firefighting Training Area PFOS/PFAS Remediation
Location
Thunder Bay, ON
Key Services
- Soil and Groundwater Remediation
Description
This project was to remediate the presence of Per- and Poly-fluoroalkyl Substances (PFOS / PFAS) and petroleum hydrocarbons from a former Firefighter Training Area (FTA) at the Thunder Bay Airport in Thunder Bay, Ontario. At the time of project execution, PFOS/PFAS were not regulated for the disposal of soil and groundwater in the Province of Ontario.
Key Challenges
- PFOS / PFAS are a remediation challenge for waste and transportation due to their persistence and abundance and are largely unregulated.
Key Solutions
- The waste had to be handled as hazardous waste for disposal or complete incineration.
- Scheduling and transportation logistics for the wastes were carefully planned and executed considering the distance of the facilities from the Site.
- A specialty subcontractor was employed for shearing, handling, transporting, and storing the fuselage to aid in recycling versus hazardous waste disposal.
- Requirements for recycling/melting of the fuselage included ensuring melting of the fuselage occurred at temperatures greater than 1000°C, air emissions were properly controlled at the steel recycling facility, and specific Personal Protective Equipment & Clothing (PPE&C) to be worn by workers who handle the steel before melting.
Project Scope
- Workplans and Submittals.
- Mobilization, Utility Locates and Site Preparation.
- Fuel line decommissioning.
- Removal of standing water from the FTA.
- Inspection and removal of mock‐up fuselage.
- Removal of water between primary and secondary liners.
- Excavation, transportation, and soil disposal within the FTA, including primary and secondary liners.
- Excavation, transportation, and disposal of FTA monitoring maintenance infrastructure.
- Facilitate soil sampling of native soil.
- Installation of geotextile liner and backfill of FTA.
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Head Office
Langley, BC
Regional Office Locations
Ottawa, ON
Peterborough, ON
Cambridge, ON
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Revelstoke
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