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DOMINICAN REPUBLIC

A DSC Wolverine Class dredge works in a sediment pond in Pueblo Viejo, Dominican Republic, at a mining operation run by Barrick Gold Corp. of Canada.

A DSC Wolverine Class dredge works in a sediment pond in Pueblo Viejo, Dominican Republic, at a mining operation run by Barrick Gold Corp. of Canada.

Barrick Gold Corporation of Canada purchased a DSC Wolverine dredge, which will be used in Pueblo Viejo, the Sanchez Ramirez Province of the Dominican Republic. Barrick has the largest mining operation in the area, producing minerals, such as gold, silver, copper and limestone. In 2006, Barrick began a wide-scale cleanup of the area, including removing 180,000 cubic meters (6.35 million cubic feet) of contaminated soil. The new DSC dredge will help maintain the sediment ponds that contain contaminated water from cleaning precious metals before treatment at the facility’s water plant. Dredging will remove silt and sand that also build up in the ponds. The 68-foot long DSC dredge, powered by a 440 hp Catepillar C13 ACERT diesel engine, can dredge up to 25 feet and has a 10-inch discharge configuration. The cutterhead has six cast-steel smooth blades and is attached to a Kawasaki hydraulic cutter motor. The dredge pump, a J30 Metso Minerals/Thomas Simplicity series, is rated for 200 feet total discharge head at 4,200 gallons per minute. Five hydraulic winches, rated with a 4,500-pound line pull capacity, are used to swing the dredge, lift the spuds and lift the ladder.

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