Client: Codelco, North Division
Location: Antofagasta, II Region, Chile

Construction of the remaining phase 3 mining works of the Chuquicamata deep sulfide exploration project, 2.127 meters of ramp (15% inclination), 2.008 meters of horizontal tunnels, 118 meters of Raise Borer ventilation chimney and the corresponding works, equipment and service facilities, together with support services for Road Header work.