Tierra Group designed a raise of the tailings storage facility (TSF) and provided construction quality assurance for the Los Gatos project in Chihuahua, Mexico.
Tierra Group provided Tailings Stewardship Services including a dam inspection, slope stability analysis review and operational improvements for Endeavour Silver’s Bolanitos tailings storage facility.
Creston Mascota Mine is located in Chihuahua, Mexico and is owned and operated by Agnico Eagle Mexico. Tierra Group designed the Phase 4 heap leach pad, buttress, which included geotechnical investigations, slope stability analyses and a water balance for Agnico…
Tierra Group conducted an update of the Mexican Hat Project’s Preliminary Economic Assessment. Tierra Group’s update included the heap leach facility design and preliminary stacking plan, waste rock storage pad, and crushed rock storage pad design.
Tierra Group was contracted by Waterton Global Mining Company to prepare the FPCP for TSF No.1 at the Esmeralda Mine. TSF No.1 covered approximately 100 acres, included a rockfill embankment with a maximum height approximately 60 feet, and stored gold tailings. Work…
Tierra Group designed evaporation ponds to decrease the net positive site water balance and reduce water treatment plant needs. Pond design included evaluating existing pumps and pipelines for use in the evaporation system and designing supplemental systems to support pumping…
Tierra Group developed a photogrammetry study and basic civil design for mining facilities layout at El Brocal Mine.
Los Lirios is a brownfields mine development project in southern Honduras. Los Lirios lies adjacent to an extensive shrimp-farming industry which raises water quality and supply awareness. Tierra Group is implementing a pre-development baseline water characterization study for the proposed…
Tierra Group served on an Independent Engineering Team performing a tailings management and operations Due Diligence Technical Review at the Morro do Ipe iron ore mine in Minas Gerais, Brazil.
Tierra Group provided design review and technical direction at Hod Mine in the Artvin Province of Turkey. Work included detailed design of potentially acid generating and non-acid generating waste dump facilities, their appurtenant structures and stormwater management design for the…
Tierra Group engineers provided engineering consultancy, design, and construction services for three Tailings Storage Facilities (TSF) (Santa Rosa, Santa Rosa West, and San José) to facilitate 20 years of uninterrupted mine operations. Tierra Group’s services spanned the full tailings lifecycle including…
Tierra Group performed a due diligence study of Masbate’s 12-Mt tailings storage facility. Services provided included a forensic study to determine the cause of seepage through an abutment and performed an independent safety audit of tailings management practices. A risk…
Tierra Group performed geotechnical investigation, water balance, and the Phase 2 heap leach pad (HLP) optimization design at Agnico Eagle’s La India Mine in Sonora State Mexico. Tierra Group provided Construction Quality Assurance (CQA) during initial construction and expansion of…
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