Sterile removal activities, landfilling, leveling, excavation, drainage, hauling system, among others.
Construction and remodeling, galleries, crossings, ducts, access roads, ramps, chimneys, loading areas, shotcrete, support, among others.
Maintenance of authorized installations, which includes ventilation systems, road maintenance; among others that guarantee a safe and optimal infrastructure for access and subsequent exploitation.
• Chaquicocha Tunnel (Yanacocha)
• Martha (Barbastro)
• Carahuacra (Volcan)
• Cerro Lindo (Nexa)
• San Cristóbal Carahuacra Integration Tunnel (Volcan)
• Maria Teresa (Colquisiri)
• Izcaycruz (Glencore)
• Marsa (Retamas Gold Mining)
• The Curbstone (Buenaventura)
• Huaron (Pan American Silver)
• Atacocha – The Future (Nexa)
• Ticlio (Volcan)