The Bibra Tunnel is part of the German Unity construction project No. 8, the extension stretch on the route Nuremberg-Erfurt-Leipzig-Halle- Berlin.
Marti Tunnelbau Bunte
Maintaining water clearance by means of submersible pumps at the tunnel portals and during the tunnel advance.
Use of Tsurumi dirty water submersible pumps of widely differing types to remove water from the tunnel. Thanks to their tough, robust design, and the special internally-located slide-ring seal, Tsurumi pumps can be kept permanently in operation in "on-snore-mode".