Tierra Group proporcionó ingeniería y apoyo de permisos a Douglas County Public Works Engineering para el cumplimiento del Programa NPDES Fase II. El alcance de trabajo de Tierra Group incluyó el desarrollo de Planes de Control de Escorrentía (RCP, por sus comunidades) para nuevas instalaciones del Condado, la actualización de los RCP en las instalaciones existentes del Condado y la revisión, desarrollo y actualización de procedimientos operativos estándar de aguas pluviales (SOP, por sus que se desaproba para su uso en instalaciones y proyectos del Condado).
Serving on Newmont Goldcorp’s Tailings Independent Review Board, Tierra Group provided an Independent Dam Safety Review for the Dona Lake Mine tailings storage facility in Pickle Lake, Ontario, Canada.
Tierra Group performed an independent technical peer review of the Boleo Mine’s operating tailings storage facility design. In doing so Tierra Group identified several design modifications that when implemented for future stages will reduce sustaining capital cost expenditures by several…
Tierra Group served as an independent subject matter expert for the Quinsam Coal Corporation (QCC) Independent Tailings Review Board (ITRB) in British Columbia, Canada. The annual review process included review of existing documents, a site visit, and collaborative meetings with…
Tierra Group completed an annual dam safety inspection (DSI) to meet both Nevada Division of Water Resources (NDWR) Dam Safety and the client's requirements. The DSI included reviewing monitoring data, a dam and appurtenant structures inspection, and a DSI report.
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…
Tierra Group performed Dam Safety Reviews (DSRs) for Nyrstar’s tailings storage facilities (TSFs) located in Tennessee, United States. Tierra Group served as the Tailings Reviewer to ensure conformity with local regulations, the Nyrstar Tailings Storage Facility (TSF) Standard, and to…
Tierra Group performed a tailings storage facility safety (TSF) audit for the 90 m high upstream constructed tailings dam at La Negra Mine in Querétaro, Mexico. The project included a TSF dam inspection and Dam Safety Inspection Report (DSIR) containing operational…
Tierra Group supported proposed Rapid Infiltration Basins Geotechnical Investigation at Au-reka Gold Corporation’s Cove Project in Nevada. Investigation included borehole drilling, test pits, infiltration testing and permeability testing.
Tierra Group is implementing a corporate Tailings Stewardship Strategy (TSS) at all of ASARCO Grupo Mexico’s mines in Arizona, USA (Hayden, Mission and Ray mines). Tierra Group conducted a site visit to each site to perform dam safety inspections, interview…
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…
Hollister Waste Rock Facility Storage Tierra Group performed a third-party peer review of a Waste Rock Storage Facility (WRSF) design at Klondex Mines’ (Klondex) Hollister Mine in northern Nevada. The WRSF, as designed, involved lining the mine’s existing West Pit…
Tierra Group was commissioned by Doe Run to design a new tailings storage facility at the Brushy Creek Mine. Tierra Group completed a geotechnical investigation including boring, classifying, and sampling soil and rock. Trade-off studies were performed to minimize construction…
Serving on Newmont Goldcorp’s Tailings Independent Review Board, Tierra Group provided an Independent Dam Safety Review for the Dona Lake Mine tailings storage facility in Pickle Lake, Ontario, Canada.
Tierra Group performed an independent technical peer review of the Boleo Mine’s operating tailings storage facility design. In doing so Tierra Group identified several design modifications that when implemented for future stages will reduce sustaining capital cost expenditures by several…
Tierra Group served as an independent subject matter expert for the Quinsam Coal Corporation (QCC) Independent Tailings Review Board (ITRB) in British Columbia, Canada. The annual review process included review of existing documents, a site visit, and collaborative meetings with…
Tierra Group completed an annual dam safety inspection (DSI) to meet both Nevada Division of Water Resources (NDWR) Dam Safety and the client's requirements. The DSI included reviewing monitoring data, a dam and appurtenant structures inspection, and a DSI report.
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…
Tierra Group performed Dam Safety Reviews (DSRs) for Nyrstar’s tailings storage facilities (TSFs) located in Tennessee, United States. Tierra Group served as the Tailings Reviewer to ensure conformity with local regulations, the Nyrstar Tailings Storage Facility (TSF) Standard, and to…
Tierra Group performed a tailings storage facility safety (TSF) audit for the 90 m high upstream constructed tailings dam at La Negra Mine in Querétaro, Mexico. The project included a TSF dam inspection and Dam Safety Inspection Report (DSIR) containing operational…
Tierra Group supported proposed Rapid Infiltration Basins Geotechnical Investigation at Au-reka Gold Corporation’s Cove Project in Nevada. Investigation included borehole drilling, test pits, infiltration testing and permeability testing.
Tierra Group is implementing a corporate Tailings Stewardship Strategy (TSS) at all of ASARCO Grupo Mexico’s mines in Arizona, USA (Hayden, Mission and Ray mines). Tierra Group conducted a site visit to each site to perform dam safety inspections, interview…
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…
Hollister Waste Rock Facility Storage Tierra Group performed a third-party peer review of a Waste Rock Storage Facility (WRSF) design at Klondex Mines’ (Klondex) Hollister Mine in northern Nevada. The WRSF, as designed, involved lining the mine’s existing West Pit…
Tierra Group was commissioned by Doe Run to design a new tailings storage facility at the Brushy Creek Mine. Tierra Group completed a geotechnical investigation including boring, classifying, and sampling soil and rock. Trade-off studies were performed to minimize construction…
Serving on Newmont Goldcorp’s Tailings Independent Review Board, Tierra Group provided an Independent Dam Safety Review for the Dona Lake Mine tailings storage facility in Pickle Lake, Ontario, Canada.
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