Construction of the Metro section “EL Harrach Center - Aéroport International d’Alger”
This section with an approximate length of 9.5 km includes:
- 9 underground stations (7 excavated in open-cut and 2 mixed, with excavation in open-cut and underground galleries),
- 10 ventilation shafts, one of them for the extraction of the tunnelling machine.
The tunnel has an internal diameter of 9.3 m and is carried out through a tunneling boring machine (TMB-EPB).
- Analysis of the Preliminary Design Solutions
- Monitoring of the Complementary Geological-Geotechnical Survey Program
- Final Design
- Technical Assistance to the Contractor