Featured Project
Calcium Chloride Lagoon Decommissioning
Location
Amherstburg, ON
Key Services
- Excavation and Disposal
- Sediment Stabilization
Description
This comprehensive project entailed the execution of a full-scale site demolition and decommissioning program for a decommissioning project for a former manufacturing plant for calcium chloride lagoons.
Key Challenges
- Winter month inclement weather work
- Access challenges for heavy equipment
- Excess water challenges
Key Solutions
- Strategic scheduling: completed most of the work during the winter months. Milestone was able to plan accordingly to avoid schedule slippage.
- Enhanced Access: reinforced access to the on-site receiving facility with biaxial geogrid to allow for construction traffic.
- Water Management: employed effective, continuous water management methods to surmount excess water-related challenges.
Project Scope
- Species at risk mitigation measures. Installing a snake fence around the perimeter of the work area.
- Stabilizing material for transport and disposal, obtaining applicable ECA approval before work.
- Removal and transporting approximately 1,200 m3 of stabilized sludge off-site to an approved receiving facility.
- Removal, transport and placement of approximately 16,000 m3 of stabilized sludge to an adjacent site about 2 kilometers from the lagoon site.
- Removal, transportation and disposal of former lagoon liners at an approved off-site disposal facility.
- Excavation, transport, and grading of approximately 65,000 cubic meters of clay berm material.
- Site restoration and backfilling.
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Langley, BC
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