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ICE railway track Airport Cologne-Bonn

The project:


Underground railway track for linking Cologne-Bonn airport


Executing companies:

Consortium Flughafenanbindung

Köln/Bonn Los3

E. Heitkamp GmbH

Wayss & Freytag Ingenieurbau GmbH

Bauer Spezialtiefbau GmbH

F.C. Trapp AG

Dewatering with 24-h pump duty by:

Smet GWT N.V., Dessel, Belgium

Biergans Pumpen-Vertrieb GmbH, Duisburg


The problem:


Pumping off the water arising during underground tunnel heading, lowering the ground water level over a large area.


Our solution:


Deep wells were built in the area in which submersible waste water pump were installed. This allowed to lower the ground-water table to the lowest possible level.

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Tunel entrance Hermann-Lönsstraße, 1st section of excavation.
U slučaju abrazivnog i korozivnog korišćenja, u nekim komponentama može doći do prirodnog habanja. U pogledu gornje primene do habanja može doći pre svega kod rotora, agitatora, usisne ploče, rukavca vratila, uljanog prstena, mehaničke zaptivke, kućišta pumpe, sita, kućišta motora i ispusne spojnice. Radni vek ovih delova može znatno da varira zavisno od radnih uslova i može biti kraći od garantnog perioda.
U tom smislu obratite pažnju na naše opšte uslove korišćenja koje vam takođe na zahtev šaljemo poštom.