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Earthworks
Case Study
Difficult terrain, year-round road bans and freeze/thaw cycles. We delivered 90,000 tonnes through the toughest conditions.
01
2026
Capability Applied
01
90,000 tonnes of PHC and salt impacted soil excavated from sloped embankments at a remote well site, through freeze/thaw cycles, year-round road bans and landfill volume limits.
02
General contractor: management, crew, equipment and trucking
03
Contaminated soil excavated from sloped embankments to a depth of approximately 10 m.
Approximately 75% travelled 8 km on a temporary haul road with grades up to 11% before reaching the highway.
The remainder used a local paved road with pilot escort due to width restrictions.
Disposal divided among three landfills to stay within each facility's limits.
Night hauling took advantage of overnight freeze; pilot trucks were used under the 75% road ban.
Backfill hauled 2 km on a purpose-built borrow haul road with 150 m of elevation change.
Approximately 10,000 tonnes of extra material were used to keep haul roads passable.
04
Freeze/thaw cycles, year-round road bans and landfill volume limits shaped the hauling plan. Night hauling used overnight freeze conditions, while pilot trucks supported movement under road restrictions.
05
Borrow pits and the access road were recontoured, approximately 2,000 tonnes of topsoil were replaced, and the site was hydroseeded.
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
Toll Free: 1.888.960.8222
Fax
1.780.962.6885
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