This Resolution defines the regulatory measures applicable to mining dams. With the exception of Chapter I, which applies to all mining dams, the other provisions of this Resolution apply to Mining Dams covered by the National Dam Safety Policy (PNSB), that is, those that present at least one of the following characteristics, according to the paragraph of art. 1º of Law No. 12.334 of 20 September 2010: I - height of the dam massif, measured from the junction of the toe of the downstream slope with the ground level to the crest of the dam, greater than or equal to 15 meters; II - total capacity of the reservoir greater than or equal to 3,000,000 m³; III - reservoir that contains hazardous waste in accordance with applicable technical standards; IV - category of associated potential damage, medium or high, as defined in item XVI of art. 2nd and Annex IV; and V - high risk category, as defined in item XI of art. 2nd, § 1st of art. 5th and Annex IV of this Resolution. Mining dams and ECJs will be registered by the developer directly in the Integrated Mining Dam Safety Management System (SIGBM), integrating the National Registry of Mining Dams (CNBM). Mining dams will be classified by the ANM in accordance with art. 7 of Law No. 12.334 of 2010, regarding the Risk Category and Associated Potential Damage as high, medium or low, according to the table in Annex IV, and regarding operational management as AA, A, B, C and D, according to the table in Annex I.
Brazil · 2022-02-07