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淡水河谷 · 官方动态·AI score57.8

淡水河谷(Vale)将 Forquilha I 尾矿库应急等级由 2 级降至 1 级

Emergency Level of Forquilha I Dam Lowered from Level 2 to Level 1

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淡水河谷(Vale)8 月 18 日经巴西国家矿业局(ANM)决定,将米纳斯吉拉斯州 Ouro Preto 的 Fábrica 矿 Forquilha I 尾矿库应急等级从 2 级下调至 1 级。该坝自 2020 年起处于 2 级,此次下调基于岩土勘察、技术研究和监测设施改进的进展。公司上游式尾矿库去特征化计划已完成 30 座中的 19 座,2019 年以来投入 133 亿雷亚尔,Forquilha I、II、III 的工程预计 2035 年完成。

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Vale continues to make progress in lowering emergency levels and advancing its Dam Decharacterization Program.

The emergency level of the Forquilha I dam, located at the Fábrica mine in Ouro Preto, Minas Gerais, was lowered from Level 2 to Level 1 on August 18, 2026, pursuant to a decision by Brazil’s National Mining Agency (ANM). The reclassification reflects progress in geotechnical investigations, technical studies, and instrumentation enhancements, which have broadened the understanding of the structure and confirmed new safety factors.

At Level 2 since 2020, Forquilha I is part of a broader set of initiatives aimed at lowering the emergency levels of the Company’s geotechnical structures. This progress reinforces Vale’s safety and risk management strategy.                                                                

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                                                                       Dam Forquilha I, in Ouro Preto, had its emergency level reduced by ANM

Dam Decharacterization Program
Vale has made progress under its Upstream Dam Decharacterization Program in Brazil: decharacterization work has been completed for 19 of the 30 planned structures,16 in Minas Gerais and 3 in Pará, representing 63% of the total. Since 2019, investments in the program have totaled R$13.3 billion.

At the Fábrica mine, six structures are included in the Upstream Dam Decharacterization Program. The Forquilha I, II, and III dams are currently undergoing decharacterization, with completion of the works expected in 2035. Decharacterization work has already been completed for the Complex’s other dams—Grupo, Área IX, and Baixo João Pereira.

Source: 淡水河谷 · 官方动态 · vale.com

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