Extension of contract for injection tunnels. C003a. Chuquicamata Mine
BUSINESS AREA:  Mining
PROJECT TYPE:  Mining tunnels
START DATE:  10 / 2015
END DATE:  In process
CLIENT:  CODELCO
LOCATION:  Chile
LENGTH:  Emergency ramp 1,637 m / Ventilation tunnels 3,821.6 m
SECTION:  10.74 x 8 m