The project:
Part of the expansion and new Karlsruhe-Basle section to provide access to the New Transalpine Rail (NEAT).
Executing companies:
Wayss & Freytag Ingenieurbau AG
E. Züblin Tunnelbau AG
Marti Tunnelbau AG
Jäger Bau GmbH
The problem:
Open water drainage using submersible pumps to the tunnel portals and during tunnelling operations.
Our solution:
Use of Tsurumi submersible sewage pumps for complete drainage. Pump series used: KTZ, KTV, KRS with agitator.
