Dona Lake DSR

Project Highlights:

  • Dam Safety Review

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.

Project Highlights:

  • Dam Safety Review

Similar projects

Brushy Creek 2

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…

VIEW PROJECT

Turmalina Complex

Tierra Group developed a site-wide water management plan to improve operational water usage and management at Jaguar Mining's Turmalina Complex in Minas Gerais, Brazil. Turmalina is a zero-discharge facility that required optimizing tailings supernatant usage in the process, enhanced evaporation…

VIEW PROJECT

Hollister Waste Rock Facility

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…

VIEW PROJECT

Confidential Project - Argentina

Tierra Group was retained to perform metallurgical due diligence on two operating properties and two prospects in early stage development. The two existing operations consisted of a convention heap leach followed by ADR to produce a Dore on-site and a…

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

Palmarejo Mine

Tierra Group performed an initial site visit to Couer Mining’s Palmarejo Mine to conduct dam safety inspections of the tailings storage facility, environmental control dam, water diversion dam, and water diversion channel. Prior to the site visit, Tierra Group reviewed…

VIEW PROJECT

El Aguila

Tierra Group performed a 3rd party engineering design peer review of a tailings storage facility expansion design. The review resulted in the owner realizing $650,000 in cost savings without compromising the facility's design integrity over the original design. Tierra Group also…

VIEW PROJECT

Antapaccay

Glencore’s Antapaccay mine is located in the Espinar province, Cuzco, Perú. Tierra Group logged geotechnical, geological and geo-mechanical properties of drill core advanced in Antapaccay's Northern Pit. Approximately 6,000 meters of core were logged. Specific samples were selected for geotechnical…

VIEW PROJECT

Confidential Project - Bulgaria

Tierra Group performed a pre-investment Technical Due Diligence Review that included a detailed analysis and risk assessment for a 150-m high co-disposal (tailings and waste rock) storage facility. The facility included two 80-m high waste rock platforms upon which upstream…

VIEW PROJECT

Confidential Project - Armenia

Tierra Group International performed a Tailings Technical Due Diligence Review for a project in Armenia.

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

La Libertad Mine

Tierra Group engineers designed La Esperanza TSF, a 2.1-km long, 35-m high, earthfill tailings dam with an HDPE lined impoundment footprint of 840,000 m2. Tierra Group  designed and provided Construction Quality Assurance (CQA) for all subsequent downstream dam stages. Stage…

VIEW PROJECT