
At 5,200 metres above sea level, underground development stops being an abstract engineering exercise and becomes something more exacting: a test of systems, endurance, logistics and judgment. Every metre advanced underground in such conditions asks harder questions of people, equipment, ventilation, support installation and schedule discipline. In Peru, few contractors have built a longer record in answering those questions than AESA Minería.




Chuquicamata Mine - 2025.pdf




