CALL & NICHOLAS (CNI) is an international mining consulting firm that specializes in geological engineering, geotechnical engineering, and hydrogeology. We have been providing a wide range of engineering services to the mining industry for over 35 years. Today, a full staff of geotechnical engineers, engineering geologists, and technicians, with experience in both open-pit and underground mining, provides expertise in:

○Feasibility studies
○Open-pit slope angle recommendations
○Underground rock mechanics and mining method selection
○Open-pit and underground displacement monitoring
○Cost-benefit analysis
○Hydrogeologic evaluation and recommended dewatering plans
○Waste dump and tailings dam stability evaluations
○Site investigation and foundation design for waste dumps, leach pads, and water-retention dams
○Engineering geology
○Geotechnical instrumentation and blast vibration monitoring
○Operations improvement and training for blasting and construction
○Evaluation of the mechanical properties of geologic materials
○Foundation recommendations for mine facilities

CNI provides geotechnical engineering services for domestic and international mining projects of all types and sizes. Our clients’ needs range from small projects and feasibility studies, requiring only basic technical assistance and evaluation, to full rock mechanics studies, requiring considerable field work, data collection, follow-up monitoring, and evaluation. To help our clients reduce their costs, we work closely with the on-site technical personnel on all projects, providing training and supervision as necessary. CNI is committed to providing our clients with the highest level of service and the most cost-effective solutions to each individual design problem. CNI’s outstanding reputation has been built on the expertise and integrity of our staff and their dedication to excellence.

Mining

Call & Nicholas

Thomas M. Ryan

Ross Barkley

Chris Grubb

Robert Cummings

Scott Cylwik P.e.

Nick Asbury P.e.

The Geological and Geotechnical Engineering Team at Call & Nicholas is responsible for providing comprehensive engineering services to the mining industry. This includes conducting feasibility studies, recommending open-pit slope angles, selecting underground mining methods, and performing rock mechanics studies. They also handle displacement monitoring, hydrogeologic evaluations, waste dump and tailings dam stability assessments, and foundation design for various mine structures. The team works closely with on-site personnel to offer training and cost-effective solutions, ensuring the highest level of service and expertise for both domestic and international projects.

Geological and Geotechnical Engineering Team

Leadership Team

Geological and Geotechnical Engineering Team

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Leadership Team