Client: Metropolitano de Lisboa, E.P.

Location: Lisbon, Portugal

Period: November / 1992 to December / 1997

Main characteristics:
Execution of a tunnel connection branch between the new line and the existing line; tunnel between Rotunda II Station and Rato Station and tunnel of the Rato Station Terminal; Rotunda II Station and connection atrium between Rotunda I and Rotunda II Stations.