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 siting studies, environmental impact assessments, permitting, feasibility through detailed engineering design, bid documents, resident engineering, construction quality assurance, operations and maintenance, decommissioning, closure, and reclamation.
Tierra Group served as the Engineer of Record (EoR) for the Santa Rosa, Santa Rosa West, and San José TSFs. As the EoR, Tierra Group developed detailed TSF water balance spreadsheet tools, reviewed monitoring data collected by B2Gold each month, conducted annual TSF inspections, and prepared an annual monitoring report to document TSF performance and dam safety.
Tierra Group provided detailed Stage 1 and 2 Tailings Storage Facility design, conducted a process plant geotechnical foundation investigation, and provided Construction Quality Assurance for Sunshine Silver Mining's Los Gatos Project in Chihuahua, Mexico.
Tierra Group conducted a Preliminary Site Assessment of a potential large-scale landslide near the El Diamante Hydropower Complex in Matagalpa, Nicaragua.
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’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 completed a site assessment for a weather station to be installed at the site. The assessment evaluated the foundation conditions and provided recommendations regarding anchoring options for the weather station tower and ancillary components. The assessment also identified…
Tierra Group International performed a Tailings Technical Due Diligence Review for a project in Armenia.
Tierra Group provided Tailings Stewardship Services for Continental Gold’s Buriticá Project in Antioquia, Columbia which included permitting support, Third-Party Review and construction and operations support. Tierra Group oversaw the development of a 2D hydrodynamic model to support the design of…
Tierra Group carried out a desktop Due Diligence review of a Preliminary Economic Assessment for a mine development project in the USA. Tierra Group’s review included; mine plan and production schedule, metallurgical testwork, process design, plant water balance, infrastructure updates, tailings…
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 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 provided a Third-Party review of the Hermosa Project Tailings Storage Facility Design and Construction stages 1 & 2 in Patagonia, Arizona
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.