CC-013-2 Main Ventilation Infrastructure Development in the Chuquicamata Mine

Project Information: Construction of 10.5 km of ventilation shafts in the supply and extract systems which make up the development of the
new mine. The sections are variable between 8.2 m x 8.1 m and 10.9 m x 8.1 m.
The excavation is by drilling and blasting and the support is with rock bolts, mesh, trusses and shotcrete.

Country: Chile

Province: Región de Antofagasta

Place: Calama


  • Cross section: 75 m²
  • Length: 10,500 m

Overburden: High

Method of Tunneling:

  • Drilling and Blasting

Geology and Geotechnical Data:

  • Amphibolite, Granodiorites and Elena Sur Granodiorite

Tunnel Equipment:

  • Atlas Copco XE3C and E2C Jumbos
  • Atlas Copco ST-1030 Underground Loader
  • PM-500 and PM-4210 Shotcreter
  • HIMEC 9910 B-REX – Normet Elevated Platforms
  • CAT-980K Wheel Loaders
  • CAT-323 DL Backhoes
  • CAT 730 Trucks