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Tailings Management at the Niobec Mine 

The Niobec mine is a strategically important mine located in the Saguenay region of Quebec. The mine produces niobium, a metal used in the production of high-quality steel with greater strength, flexibility and durability. The deposit was discovered in 1967, and the underground mine began production in 1976.

A Continued Presence for Tailings Management

In its 40 years of operation, the Niobec mine has undergone many transformations. Throughout these years, SNC-Lavalin worked closely with the Niobec Mine team to ensure that the management of mine tailings remains efficient and safe, while continuing to meet operational needs. Our tailings management experts have conducted extensive work and studies for the Niobec mine, including the various engineering steps of the tailings storage facility (TSF), dam safety inspections, dam safety reviews, stability analyses, QA on the TSF, as well as the preparation of tailings deposition plans. 

Niobec TSF expansion from 2014 to 2017

The SNC-Lavalin team was present at all stages of this expansion project. Starting with conceptual engineering, feasibility study, detailed engineering, and including technical assistance during construction, and commissioning of TSF in 2017. Geotechnical surveys were also conducted to collect data on geotechnical and hydrogeological conditions required for the design of the TSF. To complete this project, a multidisciplinary team with expertise in geotechnics, hydrogeology, geochemistry and water management was put together.

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