Izmir Fahrettin Altay - Narlidere Metro Line



Izmir Metropolitan Municipality


Features / Capacity / Area

8,9 km TBM, 6,85 km NATM / 7 Stations

Contract Date
2015 June / 2018 July

Prota has undertaken the preparation of concept, preliminary, final and detail projects of this line.

The design of the entire line in all branches was prepared by Prota. The services provided by Prota within the scope of the project are summarized below:

  • Transportation study, feasibility report, EIA Report and design services
  • Architectural Projects, finishing works, details, passenger guidance
  • Static Calculations and Structural Projects (tunnels, platforms and cut-and-cover structures, line structures, Reinforced Concrete and Steel Projects)
  • NATM and TBM tunnel projects (Double track; 8.9 km TBM (inner diameter: 5.7 m, cross-section: 25.51 sqm, tunnel lining: precast, completely in groundwater), 6.85 km NATM)
  • Geological and geotechnical studies, reports and excavation shoring projects
  • Mechanical ventilation, heating-cooling, plumbing systems,
  • Fire projects (station and tunnel fire detection and fighting, gas-water extinguishing, smoke removal and escape route pressurization)
  • Electrical Projects (3rd rail, power installation, low voltage, MV system, lighting, socket, routing and grounding system projects)
  • Power supply, traction transformers and ring system,
  • UPS system, communication projects (KDTV, announcement, passenger information, emergency call, clock, radio system, driver platform monitoring, entrance security, line-wide radio system, tunnel radio and fiber optic cabling)
  • Scada system
  • Acoustic Modeling Reporting (building acoustics, line vibration, noise analysis)
  • Environmental planning (landscape, road-traffic regulation, infrastructure and drainage)
  • Infrastructure and infrastructure displacement Projects
  • Alignment and Trackwork Projects
  • Signaling and safety system
  • Zoning plan amendment proposals, expropriation documents
  • Preparation of BoQ, unit price descriptions, technical specifications and tender documents

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