Lima Metro. Stage 1B. Package 01.

Project Information: The section has a length of 1,312 ml and requires a PV-19 ventilation shaft to be constructed in the centre of the section to allow access to the line tunnel being built. The project includes a gallery for 4 No. 301 ml routes.

Country: Peru

Province: Lima

Place: Lima

Geometry:

  • Shaft: Excavation 17.7 m
  • Line tunnels: 10.26 x 8.0 m y 68 m2
  • Gallery: section measuring 19.3 x 11.53 m and 179 m2

Overburden: 20 m

Method of Tunneling:

  • By mechanical means

Geology and Geotechnical Data: Colluvial

Tunnel Equipment:

  • Telescopic lifting platform
  • Shotcrete robot
  • Backhoe
  • Front bucket loader
  • Truck (12 m3)
  • Mixed backhoe
  • Mixer truck
  • Hydraulic drilling jumbo