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	Completion of the traffic arrangement on Panagi Tsaldari street
February -07	Completion of the excavation works in EGALEO Station
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
JMay -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

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