Tailings & Environmental Construction

Recognizing the growing importance of environmental stewardship and the increasing need for responsible construction services, NACG has formed a Tailing and Environmental Construction (TEC) division. Leveraging the proven expertise of NACG’s established operating divisions, this division focuses specifically on environmental construction projects such as oil sands tailings management, mine site reclamation and renewable energy projects. The TEC division performs a wide range of tailings, reclamation and environmental construction services, including:

  • Oil sands tailings remediation
  • Management of mine tailings
  • Tailings dam and dyke construction, pipeline co-corridor construction
  • Tailings pipelines (installation and relocation, integrity and maintenance)
  • Abandoned mine remediation, waste pile re-sloping and vegetation
  • Water collection systems, dewatering / perimeter ditching
  • Fen / wetlands construction
  • Compensation lake construction
  • Site-closure plans
  • Penstock and spillway construction
  • Run of river and wind generation projects

The TEC division has partnered up with the largest dredging company in world, Boskalis International b.v. (Boskalis), to offer a complete tailings management service to the oil sands industry. The combined force of Boskalis and NACG’s additional operating divisions offers a diversified, single-point contracting option that can mobilize expertise, equipment and resources required to successfully execute all tailings related activities.

Turn-Key Tailings Services

Throughout the years, NACG has performed many activities related to tailings management. Breaking down the tailings pond lifecycle into six main categories, NACG has traditionally worked on projects in Engineered Earth Construction, Pipeline/Infrastructure Construction and Pond Closure/Land Reforming. Our new TEC division builds off proven expertise and operating experience to expand NACG services to Tailings Management and Reclamation activities. Adding Boskalis as a partner completes the turn-key management focus by bringing the expertise and knowledge of a world-class dredger, fluids transfer and hydraulic transport contractor to oil sands industry.

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Tailings and Reclamation Process


Along with a diversified set of core services, NACG can provide a variety of specialty services and equipment that enhance our single-point contractor capabilities.