Underground railway track to link the Cologne/Bonn Airport, Germany
Consortium airport link Cologne/Bonn lot 3
Wayss&Freytag AG, E. Heitkamp GmbH,
Bauer Spezialtiefbau GmbH, F.C. Trapp AG
A DB400 sewage water pipeline has to be installed through the progressing soil excavation.
To re-pump the dirty water generated, submersible pumps for abrasive water of the types KRS65.5 and KTZ45.5 were installed in the existing shaft. Installation includes all hose connections and the emergency generator.