As being the first ever automated driverless metro line of Turkey, Üsküdar-Ümraniye-Çekmeköy metro is not only the largest metro line which was awarded to sole contractor in Turkey but also the first to have Platform Screen Gates System in the stations. The project involves the construction of a double tunnel metro line with a length of 17,5 km including 16 stations and a depot connection line with a length of
2,5 km. The civil works of depot and maintenance area and control centre, fine works, portal structures, trackworks, power supply and distribution, signaling, control communication, auxiliary facilities, escalator, walking band, elevator, environmental control, establishment of traffic control center works, testing and commissioning works will also be performed.
  • Location Istanbul / TURKEY
  • Client Istanbul Metropolitan Municipality, Directorate of Rail Systems, Department of Transportation
  • Cross Section TBM – Circular; NATM – Horseshoe
  • Excavation Diameter TBM – 6,56 m
  • Length of the Single Line 53.062 m
  • Length of the Tunnels 26.452,82 m - EPM - TBM
    19.198,33 m - NATM
    2.189 m - Cut & Cover
  • Earthworks 2.171.605,97 m³ - Stations and Depot Area - Excavation 1.454.009,76 m³ – NATM – Excavation
    885.646,65 m³ - TBM - Excavation
    467.062,73 m³ – Fill
  • Concrete 2.014.613 m³
  • No. of Stations 16 Underground (Including 5 Top & Down Stations
  • Stabling Yard 180 Hectares with Fully Equipped Maintenance Workshop ( 14.000 m²)
  • Shoring Works 138.767,76 m² - Shoring
    31.872,61 m – Bored Pile
    705.602 m – Anchorage
  • Electromechanical Works Power Supply and Traction Power System
    Rigid Catenary System (RCS) Works
    Signalization System (CBTC)- UTO-SIL4
    Control Communications
    and Telecommunication Services
    Transmission System-EPABX-TETRA-PAS-PIS-CCTV-IACS SCADA-AFC-PSD-FDCS-FPFS
    Escalators and Elevators
    Environmental Control Systems
    Emergency Tunnel Ventilation Systems