Vale dam disaster partly due to heavy rain and poor drainage
A report released by Vale says there ‘were no apparent signs of distress’ prior to failure, despite the mine and its executives being blamed
12 December 2019 - 18:30
São Paulo — A disaster at one of Vale’s tailings dams earlier in 2019 that killed at least 255 people was partially triggered by “a persistently high water level” after heavy rain that caused the dam to lose its strength, according to a report by a panel of experts appointed by Vale’s legal advisers.
The report, released by Vale on Thursday, said there was no warning that the dam was unstable, and that no seismic activity or explosions in the area were recorded on the day the dam burst in late January...
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