A. METRO BASE PROJECT MILESTONES
| February-87 | Announcement of the Tender for the ATHENS METRO Underground Project – 20km of tunnel, 21 Stations, 1 Depot and 28 Trains |
| Αugust-87 | Nine Groups Engineering and Construction Companies participate in the pre-qualification stage |
| Μarch-88 | Three Groups of Companies submit their Offers |
| February-89 | The Governmental Committee, responsible for the evaluation of the offers, recommends to the Government the award of the Project to OLYMPIC METRO Consortium |
| June-91 | Signing of the pertinent Contract between the Greek State and OLYMPIC METRO Consortium |
| July-91 | Publication of Law 1955/91, establishing ATTIKO METRO A.E. and ratifying the contract with OLYMPIC METRO Consortium. The same Law stipulates that, based on the decision made by the Minister of Environment, Regional Planning and Public Works, all rights and obligations of the Greek Sate deriving from the Contract with OLYMPIC METRO Consortium and from the Project “Sepolia-Attiki Pilot Tunnel” shall be conceded and transferred to ATTIKO METRO A.E. at no price |
| July-92 | Commencement of archaeological surveys |
| November-92 | Commencement of main construction activities at LARISSA Station |
| June-93 | Taking delivery of the first Tunnel Boring Machine (TBM) |
| December-93 | Taking delivery of second Tunnel Boring Machine (TBM) |
| April-94 | Commencement of operation of the first TBM at LARISSA Station |
| August-94 | Commencement of operation of the first TBM at KATEHAKI Station |
| June-96 | Line 3 – Arrival of TBM 2 at SYNTAGMA Station |
| March-97 | Due to the non-contractual behavior exhibited by the Contractor, which was contrary to the pertinent legislation, a resolution was made to delete the Civil Works for the tunnel section Syntagma-Keramikos-Iakhou Shaft, the respective Electromechanical Works, as well as KERAMIKOS Station from the Contract, so that the tunnel passage underneath the Keramikos archaeological site results in no risk for the project |
| May-97 | Resuming of TBM 1 operation in the area of Karaiskaki Square (Metaxourghio – Omonia tunnel section) |
| December-97 | Arrival of TBM 1 at SYNTAGMA Station |
| April-98 | Transfer of TBM 2 from Nikis Street (Syntagma) – without its head – to DAFNI Station and placement of an order for the open face shield for the boring of DAFNI – AGIOS IOANNIS Section |
| June-98 | Delivery of the first train in Athens |
| December-98 | Arrival of TBM 1 at AGIOS IOANNIS Station (completion of the boring activities using TBM 1) |
| March-99 | Completion of the boring activities in DAFNI – AGIOS IOANNIS Tunnel Section using the Open Face Shield – Completion of Line 2 Tunnels’ constructionCompletion of the boring activities in DAFNI – AGIOS IOANNIS Tunnel Section using the Open Face Shield – Completion of Line 2 Tunnels’ construction |
| April-99 | Power Supply of Line 3 and commencement of tests for the first train |
| May-99 | Commencement of tunnel boring from SYNTAGMA towards MONASTIRAKI using conventional methods |
| July-99 | Completion of the track laying related works for SYNTAGMA – SEPOLIA and SYNTAGMA – ETHNIKI AMYNA sections (Partial Opening 1) of the System |
| August-99 | Taking delivery of the 28th Train |
| November-99 | Completion of the track laying related works for SYNTAGMA – DAFNI section (Partial Opening II) of the System |
| January-00 | Commencement of Metro Operation: Partial Opening I of the System (SYNTAGMA – SEPOLIA and SYNTAGMA – ETHNIKI AMYNA sections), commissioning of 14 stations in total, i.e. 7 stations in Line 2 and 7 stations in Line 3 |
| May-00 | Tests for the Energization of the Line for SYNTAGMA – DAFNI section (Partial Opening II) of the System |
| November-00 | Partial Opening II of the System (SYNTAGMA – DAFNI section): commissioning of 5 additional Stations of Line 2 |
| September-01 | Completion of tests in SYNTAGMA – MONASTIRAKI Tunnel Section |
| December-01 | Completion of excavation works in the main MONASTIRAKI Station |
| April-03 | Partial Opening III of the System (SYNTAGMA – MONASTIRAKI): Commencement of operation of MONASTIRAKI Station, i.e. the last Station of Line 3 |
B. MILESTONES OF THE METRO EXTENSION IN OPERATION
| Μarch-02 | Signing of Contracts regarding the electromechanical installations of the Extensions and the upgrading of the respective systems of the Base Project |
| Αpril-02 | Signing of the Contract regarding the construction of SYNGROU – FIX Transfer Station |
| Αpril-02 | Signing of the Contract regarding the supply of 21 new trains (14 DC and 7 Dual Voltage Trains for the Line towards the Airport) |
| July-03 | Signing of the Contract regarding the construction of Calatrava Pedestrian Bridge and the Transfer Station at KATEHAKI Metro Station |
| Μarch-04 | Taking delivery of 7 dual voltage trains |
| Αugust-04 | Taking delivery of all trains (21 trains) |
B.1 ETHNIKI AMYNA – DOUKISSIS PLAKENTIAS – AIRPORT
| December-00 | Commencement of Works at HALANDRI Station |
| Αugust-01 | Signing of the Contract regarding the Civil Works for the Extension towards Doukissis Plakentias |
| Οctober-01 | Completion of excavation works at HALANDRI Station |
| Νovember-01 | Arrival of TBM at HALANDRI Station |
| January-02 | Commencement of TBM operation from HALANDRI Station towards ETHNIKI AMYNA Station |
| February-02 | Signing of the Contract regarding the construction of the Depot in Doukissis Plakentias area |
| May-02 | Arrival of the Tunnel Boring Machine at Agia Paraskevi Shaft |
| September-02 | Arrival of the Tunnel Boring Machine at Nomismatokopio Shaft |
| September-02 | Worksite Installation of the Contractor at HOLARGOS and NOMISMATOKOPIO Stations |
| October-02 | Commencement of architectural works at HALANDRI Station |
| Decemeber-02 | Commencement of E/M Works at HALANDRI and DOUKISSIS PLAKENTIAS Stations; commencement of E/M and Trackwork in the tunnel |
| December-02 | Completion of concreting works at HALANDRI Station |
| February-03 | Completion of tunnel boring activities using TBM (ATHINA) from HALANDRI Station up to Xanthou Shaft – 3.5 km. long |
| June-03 | Completion of concreting works at DOUKISSIS PLAKENTIAS Station |
| July-03 | Completion of structural works in all tunnels of the Extension |
| September-03 | Signing of the Contract regarding the architectural finishes works of DOUKISSIS PLAKENTIAS Station |
| February-04 | Energization of Traction Power throughout the Extension |
| March-04 | Completion of Stavros Depot construction (in Doukissis Plakentias area) |
| June-04 | Commencement of tests on the dual voltage trains in ETHNIKI AMYNA – HALANDRI Section |
| July-04 | Commencement of tests in DOUKISSIS PLAKENTIAS – Airport Section |
| July-04 | Completion of all system integration tests, initiation of the trial run of the Extension towards DOUKISSIS PLAKENTIAS and its connection with the Airport |
| July-04 | Commissioning of the extension ETHNIKI AMYNA – DOUKISSIS PLAKENTIAS – AIRPORT |
| September-09 | Commissioning of NOMISMATOKOPIO Station |
| July-10 | Commissioning of HOLARGOS Station |
| December-10 | Commissioning of AGHIA PARASKEVI Station |
B.2 DAFNI – AGIOS DIMITRIOS
| Αpril-01 | Commencement of works in the Extension |
| January-02 | Completion of the excavation of AGIOS DIMITRIOS / ALEXANDROS PANAGOULIS Station |
| January-02 | Signing of the Contract regarding the Civil Works of the Extension towards AGIOS DIMITRIOS |
| December-02 | Completion of concreting works at AGIOS DIMITRIOS / ALEXANDROS PANAGOULIS Station |
| February-03 | Commencement of E/M Works at AGIOS DIMITRIOS / ALEXANDROS PANAGOULIS Station and commencement of trackwork and E/M Works in the tunnel |
| March-03 | Completion of structural works in the Extension tunnel towards AGIOS DIMITRIOS |
| January-04 | Energization of Traction Power throughout the Extension |
| April-04 | Completion of all system integration tests and initiation of the trial run of the Extension towards AGIOS DIMITRIOS |
| June-04 | Commissioning of the Extension towards AGIOS DIMITRIOS |
B.3 SEPOLIA – AGIOS ANTONIOS
| July-00 | Signing of the Contract for the works pertaining to the construction of the Extension tunnel from Sepolia to Peristeri |
| Μarch-01 | Signing of the Contract for the construction of AGIOS ANTONIOS Station |
| Οctober-01 | Arrival of Open Face Shield (OFS) at Anapafseos Shaft |
| February-02 | Commencement of construction works at AGIOS ANTONIOS Station |
| March-02 | Commencement of operation of the OFS from Anapafseos Shaft towards AGIOS ANTONIOS Station |
| Αugust-02 | Completion of the tunnel boring in SEPOLIA – AGIOS ANTONIOS Section |
| December-03 | Completion of the excavation and concreting works at AGIOS ANTONIOS Station |
| January-04 | Commencement of E/M Works at AGIOS ANTONIOS Station |
| March-04 | Completion of the structural works in the tunnel of the Extension towards AGIOS ANTONIOS |
| June-04 | Energization of Traction Power throughout the Extension |
| August-04 | Completion of all system integration tests and initiation of the trial run of the Extension towards AGIOS ANTONIOS |
| August-04 | Commissioning of SEPOLIA – AGIOS ANTONIOS Extension |
B.4 MONASTIRAKI – EGALEO
| December-01 | Signing of the contract for the Extension to Egaleo |
| Μay-02 | KERAMIKOS Station worksite occupation |
| April-04 | Completion of the excavation works in EGALEO Station |
| November-04 | Completion of the excavation and concreting works in KERAMIKOS Station |
| January-05 | Completion of the excavation works in ELEONAS Station |
| June-05 | Completion of the tunnel boring works from ELEONAS Station to EGALEO Station and up to the end of Extension |
| July-05 | Completion of the tunnel boring works from KERAMIKOS Station to Assomaton Shaft and integration thereof in the existing network |
| January-06 | Commencement of trackwork activities in Assomaton – Keramikos and Alsos – Egaleo tunnel sections and commencement of the E/M works in KERAMIKOS Station |
| April-06 | Commencement of trackwork activities in Keramikos– Geoponiki tunnel section. |
| June-06 | Commencement of trackwork activities in Geoponiki – Eleonas tunnel section and commencement of the E/M works in EGALEO Station. |
| August-06 | Commencement of E/M works in ELEONAS Station |
| November-06 | Completion of 70% of the E/M works in shafts, 95% of the E/M works in KERAMIKOS Station, 70% in EGALEO Station and 50% in ELEONAS Station |
| January-07 | Commencement of testing of the E/M systems and energization of the Metro third rail |
| May-07 | Commissioning of the Extension |
B.5 AGHIOS ANTONIOS – ANTHOUPOLI
| April -06 | Appointment of the temporary Contractor for Aghios Antonios – Anthoupoli Extension |
| June -06 | Conclusion of the Project Contract |
| February -07 | Completion of the traffic arrangement on Panagi Tsaldari street |
| May -07 | Start of PERISTERI Station excavation |
| June -07 | Completion of the project-wide archaeological investigation |
| October -07 | Start of ANTHOUPOLI Station excavation |
| November -07 | Commencement of tunnel construction to ANTHOUPOLI |
| September -08 | Commencement of architectural finishing works in both stations |
| May -09 | The installation of the electrical isolation system at the platforms of ANTHOUPOLI Station was completed |
| October -09 | Completion of escalators installation at both stations |
| December -10 | Completion of Dimokratias Square aesthetic improvement |
| February -11 | Completion of reconfiguration works on Loutron Square |
| May -11 | Completion of reconfiguration works on 5 squares along the Line extension |
| February -12 | Project completion |
| March -12 | Signing of the Signaling system installation contract with SIEMENS |
| February -13 | Start of trial runs for this extension |
| April – 13 | Commissioning |
B.6 AGHIOS DIMITRIOS – ELLINIKO
| December -05 | Appointment of the temporary Contractor for Aghios Dimitrios – Elliniko Extension |
| March -06 | Conclusion of the Project Contract |
| January -07 | Completion of the traffic diversions on Vouliagmenis Avenue |
| January -07 | Start of ELLINIKO Station excavation |
| March -07 | Start of Tunnel Boring activities using the Tunnel Boring Machine (TBM) and commencement of piling works at ARGYROUPOLI Station |
| May -07 | 1st Breakthrough at ELLINIKO Station and completion of the first 415m of the tunnel |
| July -07 | Commencement of ILIOUPOLI Station construction |
| January -08 | Completion of the archaeological works at ALIMOS Station and commencement of temporary retaining piling works |
| September -08 | The TBM arrived at ILIOUPOLI Station having completed 4,650m. of tunnel |
| January -09 | Completion of TBM dismantling |
| March -09 | Installation of the first four escalators at ARGYROUPOLI Station and of all escalators (8 in total) at ELLINIKO Station |
| July -09 | Completion of Civil Works at the entrance/exit points of ARGYROUPOLI and ELLINIKO Stations |
| February -10 | Commencement of the development of ARGYROUPOLI Station surrounding area |
| November -10 | Completion of the planting activities at the central island of Vouliagmenis Avenue at its intersection with Aghiou Vassiliou Shaft |
| March -11 | Commencement of the installation of the Ticket Validation Machines in all Stations, while the installation of the lighting fixtures is in progress |
| October -11 | Ilioupolis B’ Entrance from Vouliagmenis Avenue, along with the entrance to Vouliagmenis Avenue service road on the western side of the Station were handed over to the public |
| November – 11 | Installation of the lighting poles at the perimeter of the archaeological area at ALIMOS Station |
| December -11 | Cleaning works at all levels of the four stations of the Extension |
| January -12 | Re-development of the outdoor areas of all stations |
| March -12 | Signing of the Contract for the installation of the Signaling System with SIEMENS |
| June -13 | Commencement of trial run of the Extension |
| July -13 | Commissioning of the Extension |
B.7 EGALEO – AGHIA MARINA
| February-06 | Conclusion of the Contract with the Joint Venture TERNA – PANTECHNIKI |
| January-07 | The PUO network diversions commenced, while the tunnel boring activities of the project are in progress |
| February-07 | The tunnel boring activities of the project from 4 different fronts are in progress |
| November-07 | The tunnel boring activities from Iroon Polytechniou Shaft to AGHIA MARINA Station were completed |
| December-07 | The construction of the 1,462m tunnel in EGALEO – AGHIA MARINA section was completed |
| September-08 | The preparatory works for the construction of the Parking Facility, of an overall capacity of 385 places, to be located right next to the Station commenced |
| October-08 | The architectural finishes related works of AGHIA MARINA (HAIDARI) Station commenced, while the works for the construction of the Northern Entrance/Exit of the Station are at an advanced stage |
| May-09 | The Civil Works for the construction of the Southern Entrance/Exit of the Station were completed, while the architectural finishes related works (tiles, marbles, etc.) are commencing |
| November-09 | The installation of the elevator at the concourse level was completed |
| December-10 | The Civil Works in the 4-level Parking Facility, of an overall capacity of 382 places, to be located right next to the Station, were completed |
| January-11 | The painting works in the 4-level Parking Facility, to be located right next to the Station, commenced |
| February-11 | The planting works at the terrace of ELEONAS Depot buildings commenced |
| February -11 | The configuration works of the Station entrances/exits were completed |
| April-11 | The industrial floor laying works at the Metro Transfer Station commenced |
| July-11 | Handing over of ELEONAS Depot |
| February-12 | The Project concerning the Metro Extension to Aghia Marina in the Municipality of Aghia Varvara has been completed. The installation of the train signaling system by the Company SIEMENS is only pending activity |
| March-12 | Conclusion of the contract for the installation of the train signaling system with the Company SIEMENS |
| November-13 | Commencement of the trial run of the Extension |
| December-13 | Commissioning of the Extension |
