Brushy Creek

Project Highlights:

  • Tramitación de Permisos de Seguridad de Presas de Missouri
  • Modelo de Infiltración
  • Ampliación del Pad de Lixiviación
  • Análisis de Estabilidad de Taludes
  • Diseño de Recrecimiento de Presa
  • Diseño de Vertedero de Emergencia

Tierra Group realizó un diseño para el recrecimiento del terraplén de relaves Brushy Creek de Doe Run, una obra que fue inicialmente puesta en marcha en 1973. Para el diseño del terraplén se llevaron a cabo ensayos de penetración de cono, análisis de licuefacción, y modelados de filtraciones y de estabilidad de taludes. Aspectos tales como la hidrología, el diseño del vertedero y el trazado de la cubeta presentaron desafíos para el diseño debido a los límites de la propiedad y a la infraestructura existente. Los ingenieros de Tierra Group pudieron maximizar la capacidad de almacenamiento y minimizar los impactos operativos. Se entregará al Departamento de Seguridad de Presas de Missouri un informe de diseño y los protocolos de funcionamiento.

Project Highlights:

  • Tramitación de Permisos de Seguridad de Presas de Missouri
  • Modelo de Infiltración
  • Ampliación del Pad de Lixiviación
  • Análisis de Estabilidad de Taludes
  • Diseño de Recrecimiento de Presa
  • Diseño de Vertedero de Emergencia

Similar projects

Jerritt Canyon Mine

2023 Dam Inspections/Review Tierra Group completed a site visit to inspect three tailings storage facilities (TSFs) and the Evaporation Pond. In addition to the site visit and dam inspections, design and monitoring reports (prepared by others) were reviewed for each…

VIEW PROJECT

Mexican Hat PEA Update

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.

VIEW PROJECT

Brushy Creek

Tierra Group provided a raise design for Doe Run's Brushy Creek tailings embankment, a facility first commissioned in 1973. Cone penetration testing, liquefaction analysis, seepage modeling, and slope stability modeling were performed for the embankment. Hydrology, spillway design, and impoundment layout…

VIEW PROJECT

Isabella Pearl

Tierra Group performed a technical peer review of the Isabella Pearl heap leach facility (HLF) owned by Gold Resource Corporation. Isabella Pearl mine is located at the west end of the Santa Fe mining district in the Walker Lane gold…

VIEW PROJECT

Aurora Mine

The Aurora Mine Mill Facility (previously Esmeralda Mill) is located in the historic Aurora mining district of the eastern Sierra Nevada Mountain Range in Nevada, USA. Aurora recently, with the support of Tierra Group completed a Minor Modification to the…

VIEW PROJECT

Stillwater Mine

East Boulder Tailings Independent Review Panel (2018-present) Tierra Group reviewed a TSF design to support an NI 43-101 compliant Feasibility Study. The TSF design incorporated a paste tailings disposal method in an environmentally sensitive fisheries habitat. Tierra Group sits on the Independent…

VIEW PROJECT

New Jersey Mill TSF

Tierra Group completed a siting study to evaluate six potential sites for a paste TSF. Tierra Group prepared civil layouts for each TSF, determining embankment fill volumes, evaluating required diversions for upstream catchment areas, and pipeline corridor layouts. Tierra Group…

VIEW PROJECT

Douglas County Public Works

Tierra Group updated the County’s Standard Operating Procedures (SOPs) for Municipal Operations to maintain the County’s compliance with the requirements for stormwater discharges from the County’s municipal separate storm sewer system (MS4) under the Colorado Discharge Permit System (CDPS). Tierra…

VIEW PROJECT

Missouri Cobalt Pilot Plant HAZOP

Tierra Group performed a Hazard and Operability review (HAZOP) for the new Cobalt Pilot Pant located at the Madison Mine facility in Missouri.

VIEW PROJECT

Cove Project RIB Geotechnical Investigation

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.

VIEW PROJECT

Oracle Ridge Copper

Tierra Group represented Oracle Ridge Mining as the Qualified Person for portions of the feasibility-level design including the Dry Stack Tailings Storage Facility (TSF) Design, Site-Wide Stormwater Management, Water Supply Pipelines, Haul Road and Access Road Design Improvements, and the…

VIEW PROJECT

American Gypsum

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…

VIEW PROJECT