Alptransit

ALPTRANSIT - SAINT-GOTHARD Rail tunnel

Client

AlpTransit Gothard AG

Execution

2003 - 2017

Collaboration

  • IM Maggia Engineering SA, Locarno
  • IUB Ingenieur Unternehmung, Bern

Total costs

225 mio EUR

Project description

Mandate for the planning of the 50Hz power supply installations, the transmission cables and the energy distribution in the two Gothard rail tunnels. These tunnels are 57km long and run between the northern portal at Ersfeld (Uri) and the southern portal at Bodio (Tessin).

Services provided

  • Electrical equipment, coupling, transmission and energy distribution at 50Hz for voltages 20kV, 950 and 400V.
  • 50Hz power cables at 20 kV, 950V and 400V
  • 16.7Hz power cables for traction at 15 kV and 132 KV
  • Data transmission using fibre-optic networks
  • 50Hz command-control power networks
  • Installed electric power for 50HZ distribution: 20MW

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