Andesita Project. Sinking Level and Production Level. Package 1

Project Information: The project consists of two phases of execution: 16 and 26 months. The horizontal developments will be executed at the sinking and production levels, 14,696 m in total (3,790 m + 10,906 m). The work also includes 243 m vertical developments and civil, electrical, instrumentation and special works

Country: Chile

Province: O’Higgins Region, Cachapoal Province

Place: Machalí

Geometry:

  • Cross section: 5.4×5.0 / 5.2×5.1 / 4.2×4.1 / 5.2×4.6 / 4.7×4.3
  • Lenght: 3,918m / 3,563m / 3,355m / 2,052m / 1,050m

Overburden: –

Method of Tunneling:

  • Full face drill & blast

Geology and Geotechnical Data:

Tunnel Equipment:

  • Backhoes
  • Low profile loaders
  • Mining trucks
  • Articulated trucks
  • Telehandlers
  • Drilling jumbos
  • Bolt hole drilling
  • Jumbos and shotcrete machines