Groyne construction in Otterndorf, Germany

One of the largest coastal protection projects in Germany, this project involved constructing twenty-four groynes on the banks of the Elbe between Otterndorf and Altenbruch to reduce bankside flow speeds.

In detail...

• 3.5 km of coastline
• 4.9 km of groynes
• Longest groyne: 330 meters
• Installation only at low tide via quai 9 of Mibau Baustoffhandel materials merchants in Cuxhaven

Facts and figures:

Builder:
WSA Cuxhaven

Client:
ARGE Buhnenbau Otterndorf (Hinrich Hirdes, Colcrete von Essen, Bunte, Van den Herik)

Construction period:
2011 – 2012

Construction costs:
€33 million

Subcontractor:
Mibau Baustoffhandel GmbH

Quantity delivered:
530,000 tonnes of riprap

Purpose:
Coastal protection