Location: Lisbon - Alameda / S. Sebastião, Portugal
General Description:
2,200 m double-track tunnel section between Alameda and the Campolide terminal; two new stations – Saldanha II and S. Sebastião II; partial renovation of the existing stations – Saldanha I and S. Sebastião I; single-track service lateral tunnel to establish the connection with the Blue Line; 2 ventilation points – PV1 and PV2 – 1 double-track tunnel to establish the Alameda Terminal connection.
Key Statistics: TBM tunnel building: 1,415 m;
NATM excavation: 105,000 m3;
Inverted method excavation: 43,500 m3;
Open-air excavation: 40,000 m3;
Reinforced concrete: 85,000 m3;
Projected concrete: 16,400 m3;
A500 steel: 35,000 ton;
Metal frames: 561 ton;
Curved and flat shuttering: 156,200 m2.
Project Commissioner: Metropolitano de Lisboa, E.P.
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