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Earthworks
Case Study
7 m shored excavation behind a cantilever secant wall at a former maintenance facility. 4,800 tonnes removed from an active neighbourhood.
01
2023
Capability Applied
01
4,800 tonnes of hydrocarbon and VOC impacted soil removed from behind a cantilever secant shoring wall at a former provincial maintenance facility inside the community.
02
Prime contractor controlling project site
03
Hydrocarbon and VOC impacted soil excavated from behind a cantilever secant shoring wall using a long-reach excavator.
Excavation reached 7 m depth.
Impacted soil hauled to an approved landfill.
Clean backfill compacted to 96% SPMDD; gravel cap compacted to 100% SPMDD.
Landfill, trucking, backfill, compaction testing and surveying sourced locally.
04
The 7 m excavation proceeded behind a cantilever secant shoring wall. Backfill was compacted to 96% SPMDD and the gravel cap to 100% SPMDD. Landfill, trucking, backfill, compaction testing and surveying were sourced locally.
05
Impacted soil was removed and the excavation was backfilled and capped to the stated compaction requirements.
Remediation Strategy Navigator
For remediation and treatment decisions, answer five questions about your site and the Strategy Navigator will show which treatment paths your conditions point toward.
· A shortlist of treatment paths ranked against your answers
· The reasoning behind every technology that surfaces
· A shareable link that reopens the same strategy
· A downloadable strategy brief at the end
Outputs are indicative. Reach out for site-specific refinements.
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Nelson Environmental Remediation
Head Office
30541 - 100 Avenue
Acheson (Edmonton), Alberta
Canada T7X 6L8
Phone
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Fax
1.780.962.6885