Lisboa Metro Red Line – airport Link
CONCEPTUAL DESIGN / SERVICES CARRIED OUT
NATM 990 m tunnel and 315 m cut-and-cover gallery with half way ventilation shaft.
Works in densely urbanized area with severe interference with surrounding buildings foundations.
LOCATION
Lisboa, Portugal
SERVICE DATE
2010
GENERAL FEATURES
Total length: 1.305 m
Transversal section: 70 m2
Number of ways: 2