Other Infrastructure Study

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  • Publication
    Tailings Storage Facilities
    (World Bank, Washington, DC, 2021-04-22) World Bank
    Tailings storage facilities (TSFs) are engineered structures that comprise the confining embankments (commonly referred to as tailings dams) and associated works and are designed to contain tailings (residue following extraction of valuable material from metal ore processing) and to manage associated water. TSF contains mixed waste material from mining processes in liquid or slurry form and must be responsibly managed to prevent impacts on human health and safety, the environment, and other infrastructure. However, TSFs have historically suffered more problems than water storage dams. Internationally, TSFs have a historical long-term average of more than one major incident or failure per year. To manage mining facilities responsibly, the TSF owner must understand the physical and chemical risks associated with the TSF and implement controls to reduce risks relating to potential health, safety, environmental, societal, business, and economic impacts in line with regulations. International organizations, regulators and industries have developed guidelines to aid owners in the management of TSFs. These guidelines were used to develop this Technical Note. The Note is intended to raise awareness and inform specific studies/investigations, as appropriate, during project preparation.