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Sociedad Minera Cerro Verde, Perú


Since early 2011 Gramsa S.A.C, he developed the work of Supervision Quality Assurance in the construction of the Leach Pad 4B Phase 1, Sociedad Minera Cerro Verde SAA, located in the province of Arequipa, Peru.
The new PAD 4B is located in the gorge called "Huayrondo" downstream of the existing Poza 4A. The initial approximate total project area is 120 hectares to 150 million tons of agglomerated ore, which will be completed with the increase in the level of PAD.
The project was developed from January 2011 to April 2013.