Statement of Qualifications

Earth and its environment provide the natural resources necessary for life. It is mankind’s most precious commodity, whose resources are finite, yet necessary to sustain and expand society. Using Earth’s natural resources modifies the environments natural balance creating both positive and negative impacts. The key to environmental management is balancing the effects of mankind’s earthly modifications to promote life while minimizing impacts harmful to achieving environmental balance. With respect to mankind’s natural resources (excluding water and air), it is said, “If it can’t be grown, it must be mined”. Think about it. It's a given. Developing Earth’s natural resources requires human interaction with the Earth and its environment. Tierra Group assists our customers to produce Earth’s natural resources in a way that minimizes harmful impacts to the environment, while maintaining a balanced sustainability, for continued beneficial uses. Tierra Group’s areas of environmental expertise include:

  • Baseline Studies
  • Environmental Assessments (EA)
  • Environmental Impact Studies (EIS)
  • Permitting
  • Environmental Monitoring
  • Forensics
  • Mined Land Reclamation and Closure

Tierra Group has performed our services on six continents in arid and temperate to extreme climates including;

  • Tropics
  • Semi-Arid and Arid
  • Mediterranean
  • Humid (Sub-Tropical and Continental)
  • Coastal Marine
  • Sub-Artic
  • High Altitude (above 4,000 masl)
  • Mountainous Terrain

By applying our forward thinking geotechnical, water resources, geologic hazards, and civil engineering expertise, Tierra Group has assisted our clients in successfully producing Earth’s natural resources while minimizing environmental impacts and creating balance in our diverse and precious environment.


Select Environmental Projects

Hecla Aurora Project - Weather Station Siting Assessment

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…

VIEW PROJECT

Aurora TSF1 FPCP & TSF2 Closure Review

Tierra Group evaluated and prepared the closure design for Aurora's TSF1 facility. Design components included civil grading of closure surface, stability analysis of closure slopes, and hydraulic design of channels and spillways. A final design support was prepared by Tierra…

VIEW PROJECT

Collection Pond Washdown Pad IFC Set

Tierra Group designed a concrete washdown pad connecting to the site’s existing collection pond. The pad was designed to allow the site to wash vehicles prior to them being approved to leave site.

VIEW PROJECT

Esmeralda Mill

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…

VIEW PROJECT

Cosmo Howley

Newmarket Gold’s Cosmo Howley Project Area (CHPA) is a gold mine in the Northern Territory (NT), Australia. An underground mine is currently in operation with planned underground expansion. CHPA contains several legacy open pits, waste rock dumps, and surface water…

VIEW PROJECT

Lost Creek Project

Tierra Group is assisting Millcreek Mining and Black Mountain Sand with the preparation of permitting documents for the Lost Creek Project; including a preliminary Stormwater Management Plan, preliminary Groundwater Monitoring Plan, and general permitting exhibits. Tierra Group conducted a site geotechnical…

VIEW PROJECT

Confidential Desktop Due Diligence Review

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…

VIEW PROJECT

Buenaventura Photogrammetry Study for El Brocal Mine

Tierra Group developed a photogrammetry study and basic civil design for mining facilities layout at El Brocal Mine.

VIEW PROJECT

Mt. Todd Dam Assessment

Tierra Group conducted an Independent Technical review of Vista Gold Corp’s Mt. Todd Tailings Storage Facility Expansion in Northern Territory, Australia.

VIEW PROJECT

Goldstrike Mine

Engineer of Record Barrick’s Goldstrike Mine processes 30,000 tons of gold ore per day from its combined open-pit/underground operations located in the historic Carlin Trend in Nevada, U.S.A. Goldstrike’s tailings are stored in the North Block Tailings Disposal Facility (NBTDF).…

VIEW PROJECT

Confidential Project - Nevada

Tierra Group provided the closure civil engineering design and associated surface water management for a project in Nevada. Tierra Group also provided permitting requirements to Nevada Department of Environmental Protection.

VIEW PROJECT

Los Gatos TSF Management

Tierra Group provided Engineer of Record services; including the development of Operations, Maintenance, and Surveillance (OMS) Manual, the development of an Emergency Action Plan (EAP), and annual operational support to the Los Gatos project in Mexico.

VIEW PROJECT