Tierra Group provided Tailings Stewardship Services including a dam inspection, slope stability analysis review and operational improvements for Endeavour Silver’s El Cubo tailings storage facility in Guanajuato, Mexico.
Heap Leach Procurement & Construction Quality Assurance Tierra Group provided Issued for Construction (IFC) design drawings and specifications for procurement requirements for the expansion of the Camino Rojo HLF. Information required included liner specifications, drainage collection piping, and quantities. Additionally,…
Tierra Group was selected to assist Goldcorp with global Tailings Stewardship Strategy (TSS) implementation at all of Goldcorp’s active tailings sites in Latin America (Mexico, Argentina, and Guatemala). Tierra Group worked in conjunction with Goldcorp and another global engineering consulting…
Tierra Group provided Tailings Stewardship Services for TSFs and water dams at the Cadia, Terfer, and Red Chris properties. Responsibilities included data/report review; identifying and assisting the client with managing risks, liabilities, controls, and reporting; evaluating progress towards GISTM compliance;…
Barrick Gold Corporation’s Pierina Mine in Ancash Department, Perú began operations in 1998. A progressive reclamation and closure plan began in 2013. In 2015-16 Tierra Group developed detailed engineering designs for channels, sediment traps, two 45,000 m3 sediment ponds, water…
Tierra Group performed a forensic study to determine the cause for volumetrically non-compliant leakage volumes occurring in the heap leach facilities leak detection system. Tierra Group reviewed the facility design, engineering and construction quality assurance (CQA) information, construction as built…
The Aranzazú Mine is a copper-gold-silver mine located in the northeastern region of Zacatecas, Mexico. The mine includes both open pit and underground operations. The mill currently processes 2,600 tonnes of ore per day. Tierra Group finalized the geotechnical investigation…
Tailings Storage Facility & Engineer of Record (2012-present) 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…
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.
Dry Stack Tailings Storage Facility Tierra Group designed a dry stack TSF to store excess tailings from the underground paste backfill. The dry stack TSF was challenging, given the limited land area, steep terrain, seasonal cold weather, and surface water…
Tierra Group provides Tailings Stewardship Services for Nyrstar's Myra Falls Mine Tailings Storage Facility. Tierra Group performed a 5-year Dam Safety Review consistent with the Canadian Dam Association protocols, site training and in depth inspections of management practices and facilities…
Tierra Group participated as a member of a multi-disciplinary project team to develop a Definitive Feasibility study for a 16,000 tpd silver mine in Durango, Mexico. Tierra Group's responsibilities included designing a 112 Mt tailings storage facility, developing a site-wide…
Tierra Group completed a technical review of the heap leach pad for the Amulsar Mine property owned by Lydian Armenia located near the town of Jermuk to the southeast of Armenia. The heap leach pad consists of four phases with…
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