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Panoramic view of the Main Terrace -- the open pit can be viewed on the left.

Panoramic view of the Main Terrace — the open pit can be viewed on the left.

ABB will provide four hoists to the Venetia Mine, South Africa’s largest producer of diamonds.

ABB will supply one double drum hoist for personnel and material conveyance, two friction hoists for production, and one single drum hoist for service duty. ABB will provide the design, supply, manufacture, installation and commissioning of all four hoists, including hoist mechanicals, motors, and electrical drive and control, all certified to the highest safety integrity levels (SIL). This is the first time that multiple, turnkey large friction mine hoists are delivered to the South African mining industry. The installation will start in July 2018.

All four hoists are due to become operational in April 2020.

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“With mineral deposits becoming increasingly difficult to access, increasing productivity while ensuring safety and reliability are key customer requirements,” said Roger Bailey, managing director of ABB’s Process Industries business.

Open pit mining is due to continue until 2022, and underground mining will extend the site’s operational life into the 2040’s, with the potential to deliver an estimated 94 million carats. (18.80 metric tons).

De Beers, which is 85 percent owned by Anglo American, the balance by the Republic of Botswana, is sinking two new shafts adjacent to the existing open pit in order to access deeper ore reserves they cannot reach through conventional surface mining techniques.

The project represents De Beers’ biggest capital investment in South Africa. Since hoisting forms a critical aspect of underground mining, particularly with respect to safety, ABB has a track record in installing such complex systems.

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