Mining
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Tailings Ponds
Tailings dams are earth-fill dams used to store waste from mining operations which is generated when ore is separated from the gangue. Tailings can be liquid, solid or a fine particle suspension, and are generally highly toxic and potentially radioactive.
Solid tailings are often used as part of the structure itself. Associated with the existing environmental risk of not adequately controlling such by-products, tailings dams must always be lined by geomembranes capable of withstanding extreme base pressures, highly acidic/alkaline conditions, environmental effects and adverse weather conditions.
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Tunnels
The construction of tunnels and galleries requires major upfront investment in geological and geophysical studies. Once the excavation, support and waterproofing is complete, a final, permanent covering is applied to hide all previous work for the remaining useful life of the structure.
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