Geotechnical and Geoenvironmental Engineering

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Our expertise includes a wide range of tailings and mine waste products and hands-on knowledge of proven management techniques under a broad range of climatic conditions. We also have in-depth experience in understanding the long-term evolution of solids and porewaters in tailings storage facilities, allowing robust assessment of the adequacy of management and closure plans.

To achieve real cost benefits for tailings disposal, it is necessary to integrate the design of the process plant with the tailings disposal system, while giving consideration to all design aspects from site selection to impoundment closure. We aim to provide solutions that appropriately cater to each project’s needs, providing stable facilities that can be practically operated and successfully closed.

Recognizing the growing need for the provision of mine waste management systems with increased water efficiency, we have expanded our tailings and waste management capability to thickened tailings technology, to accommodate the greater emphasis on water conservation and social conscience in the mining industry. This emerging technology is attractive to mines operating under strict water restrictions or those that have limited water resources available, enabling them to attain a competitive advantage in terms of water use. It also reduces the potential for contamination of soil and water sources, allowing these scarce resources to be available to other users.


Detailed Services

  • Short-term and long-term strategic planning for tailings and water management
  • Feasibility studies and financial evaluations
  • Site evaluation and selection
  • Water balance development and utilization
  • Geotechnical, hydrogeological and geochemical characterization
  • Geotechnical, hydrologic and rheological evaluation and design
  • Paste and thickened tailings schemes
  • Design of tailings facilities from conceptual model to detailed design
  • Decommissioning, closure and landform restoration
  • Technical advice and training
  • Project review
  • Due diligence


Relevant Projects Conducted


Project Mine: Back Forty Project, Michigan
Commodity: Zinc and Gold.
Scope: Permitting and environmental impact analysis.
Outcome: Reviewing subsurface geotechnical investigations for tailings facility design, bedrock hydrogeologic studies, and reviewing commissioned baseline environmental reports.