• Along the double track tunnel, from the beginning of the extension up to TBM startup shaft, the permanent lining of the tunnel invert has been completed, while the works for the permanent lining of the tunnel vault are in progress.
• AGHIA VARVARA Station: Works for the construction of staircase 5 and the dismantling of the parapet wall at the eastern side have been completed.
• At Taxiarchon shaft, the works for the waterproofing of the roof slab are in progress.
• KORYDALLOS Station: At Pissidias shaft, the works for diversion of OTE network have been completed.
• NIKEA Station: At the northern entrance of the Station, completed are excavation works and works for the installation of the temporary retaining system, waterproofing works and works for the construction of the permanent lining.
• At Tzavella shaft, the installation of traffic diversion signs is in progress.
• MANIATIKA Station: In the main tunnel of the Station, completed are the works for the permanent lining of parapet walls, the permanent lining of the vault and the concreting of the TBM track bed.
• PIRAEUS Station: In progress are preparatory works for the construction of diaphragm walls underneath the pedestrian bridge and works for the construction of the cap beam.
At Roloi shaft, the construction of the diversion of the storm water network and the backfilling of the archaeological excavation trench have been completed.
• DIMOTIKO THEATRO Station: At the northern staircase, in progress are the excavation and temporary retaining works (progress rate for Phase A’: 34/45m and for Phase B’: 25/45m).
At the southern staircase, in progress are the excavation and temporary retaining works (progress rate for Phase A’: 35.5/45m and for Phase B’: 22/45m).
In the NATM triple track tunnel leading to the University of Piraeus, works for the installation of wall reinforcement are in progress.
In the NATM triple track tunnel leading to DIMOTIKO THEATRO Station, completed are the works for the waterproofing and the reinforcement of the vault, while the works for the configuring of the vault mould are in progress.
The excavation of all tunnels has been completed by 68.7%.
