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Acotec protects steel sheet piling in dewatering shaft

The challenges of this job are the site conditions. The Humidur coat had to be applied down to 5 meters under the capping beam in tunnels with restricted access and work area. The tunnel is 15 meters wide and has 3 meters clearance, which is very limited to access with a floating barge. The use of a crane is not possible in this 900 meter long tunnel. A special designed barge and cofferdam was needed.

Another challenge is the use of the tunnels for discharging rainwater coming from France. Two times everyday, the discharge takes place, which means a full evacuation of the men and the equipment, as the tunnels are flushed completely. This job is in tidal activities.

Client: Waterwegen en Zeekanaal, Belgium

Location: Kokers, Zeebrugge, Belgium

Acotec protects steel sheet piling in dewatering shaft


Technical documents, data sheets, specification sheets and much more information are all available on

Member of:

Chinese Classification Society American Bureau of Shipping American Association of Port Authorities The European Small Hydropower Association The International Association of Ports and Harbors National Association of Corrosion Engineers  The World Association for Waterborne Transport Infrastructure The Society For Protective Coatings British Hydropower Association

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