Tierra Group completed trade-off studies evaluating potential TSF sites to store 25 million tonnes of tailings. Trade-off studies included dam layouts, cost estimating, and recommendations for future work. Trade-off study challenges were minimizing costs while still providing feasible and environmentally sensitive alternatives.
Tierra Group developed the Capex for the Preliminary Economic Assessment (PEA) for the San Jose Poject, using a "tropicalized" approach.
Tierra Group designed and implemented a stability and safety monitoring plan for Torex Gold’s Morelos Mine dry stack tailings storage facility (TSF). The monitoring plan includes installing inclinometers and vibrating wire piezometers, and training operations staff to download instrumentation readings.…
Tierra Group conducted a Preliminary Site Assessment of a potential large-scale landslide near the El Diamante Hydropower Complex in Matagalpa, Nicaragua.
American Gypsum Pit Planning and Support Tierra Group began working at American Gypsum’s Eagle-Gypsum mine located in Gypsum, Colorado in 2014 evaluating haul road improvements. A trade-off study provided a tool for American Gypsum to evaluate safety improvements including alternative haul road…
Tierra Group’s work included the design and construction quality assurance (CQA) of a new tailings storage facility (TSF) at the Los Gatos Project in Chihuahua, Mexico.
Tierra Group conducted a Due Diligence Review for a project in Wisconsin, US.
Tierra Group provided slope stability analysis for Agnico Eagle’s dry stack tailings storage facility containing 330,000 tonnes of tailings.
Tierra Group is the Engineer of Record (EoR) for two tailings dams at the Aurora Mine. Tierra Group provided annual dam safety inspections for the tailings dams to meet Nevada Division of Water Resources (NDWR) Dam Safety permit requirement. Work included…
Tierra Group led a multi-disciplinary team to provide a risk matrix which included Geotechnical, Hydrogeology, Hydrology, and Mining & Reserves for a project in Nevada, US.
Tierra Group provided technical direction and review of the Gediktepe Heap Leach Facility (HLF), ponds, and waste rock dump facility designs. Tierra Group will also provide CQA review during HLF construction.
Tierra Group designed a raise of the tailings storage facility (TSF) and provided construction quality assurance for the Los Gatos project in Chihuahua, Mexico.
The Bolivar mine is a 3,000 tonne per day underground mining operation in Chihuahua, Mexico producing copper, zinc, silver, and gold. Space constraints in mountainous terrain require dewatering tailings to reduce required area for tailings storage. Tierra Group is assisting…
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