Saverne railway tunnel

Located in the Vosges du Nord mountains, the Saverne tunnel is one of the main components of the second section of the LGV Est Européenne high-speed railway line, intended to put Strasbourg at less than two hours from Paris.Commercial operation at 320 km/h.

France

Saverne railway tunnel

Services provided

Design-build contract for making the tunnel safe: safety lighting, fire detection, ventilation and pressurisation of inter-tube galleries, implementation and control system.

  • Construction design.
  • RAMS studies.
  • Construction design for MV/LV and low-current equipment.
  • Supplies.
  • Works.
  • Testing and commissioning.

Technical details

Twin-tube one-way tunnel spanning 4,000 m in length :

  • 7 galleries.
  • 19 MV cells.
  • 5   20KV/410V transformers.
  • 5 normal/emergency low-voltage master distribution panels.
  • 80 emergency telephones and 32 firefighting kits.
  • 2000 lights.
  • 5 kms of 20KV MV cable / 60 km of LV cable /  16 kms of fibre-optic cable.
  • 5 inverters.
  • 16 emergency radio communication antennas.
  • 14 fire doors capable of withstanding the passage of high-speed trains.
  • Utilities for technical rooms.
  • Centralised technical management (CTM) system for automation and supervision.

Strengths

Compliance with technical specifications on interoperability and the Inter-ministerial Instruction on safety in railway tunnels.

Inter-tube ventilation.

CTM.

Date 2016
Client RFF

See all our references

Road and tunnel equipment, Traffic management