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Minas Gerais – Vale on Saturday issued a note stating that the sound alert system, in case of dam failure, is manually activated by a 24-hour communications and emergency control center, which is located in outside the mine area. "According to the initial information, which is the subject of an investigation by the authorities and because of the speed with which the event has occurred, it is not possible to find any information. It was not possible to activate the sirens related to Dam I. The causes continue to be determined, "says the company
Vale points out that the Brumadinho Dam (MG) was inactive since 2016 and had all the declarations applicable because it was the subject of constant external and independent audits. "Biweekly inspections have been reported to the National Mining Agency, the latest dated 21 December 2018," says the miner.
According to the company, the structure was also inspected on January 8 and 22 of this year. , with registration in Vale's monitoring system. An external emergency simulation was also conducted on June 16, 2018, under the coordination of Civil Defenses and with the support of Vale, as well as an internal training for employees on October 23, 2018.
The mining company also indicates that the escape route provided for in the Mine Action Emergency Plan (PAEBM) has been completed and that an internal training for employees was organized in October 2018.
Drainage
The Vale also informs that the presence of conduits for the drainage of the Water is also a standard measure to ensure the safety of dams and is therefore a common procedure used throughout the world. "In the specific case of Dam I, in addition to the existing ones, additional drains were installed in 2018 before the start of the dismantling process." It should be remembered that this was a preventative measure because The technical reports indicated total stability, and the company added that the presence of professionals in dams, even inactive, around the world, was part of routine and basic safety and maintenance procedures. of these structures. "This allows, for example, reading instruments and inspecting, up to the size of the grbad in these places," he informed.
"In the specific case of images transmitted by the media on Friday (01), referring to the exact time of the break-up of Dam I at the Beja Creek Mine in Brumadinho, the professionals on the images near the dam were routine tasks. "
According to the mining company, one of the activities carried out was to collect data to meet the compliance with legal requirements, as determined by the National Mining Agency itself." It is important to note that the dam I was not under construction ", concludes the company.
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