The Emssperrwerk in Gandersum, Germany

The Emssperrwerk was built at the mouth of the Ems, near Gandersum, which lies on the north-western coast of Germany.
This storm-surge barrier, which spans a total of approx. 462 metres, has seven flow openings. Hollandia designed and delivered the two flow openings situated in the fairway, the so-called HSÖ and BSÖ.

The storm-surge barrier serves to stop North Sea water and to regulate water levels in the Ems for vessels with a deep draft.

Hollandia designed, manufactured, transported and assembled the following steel and mechanical structures for ARGE Emssperrwerk Gandersum:
- the sectional gate in the bridge opening for sea-going vessels (HSÖ),
- the sectional sliding gate in the bridge opening for inland shipping vessels (BSÖ),
- Pumping systems in pillars 1, 2 and 3.
The dimensions of the sectional gate of the HSÖ bridge opening are 60m x 18m x 4m (lxwxh) and the steel weight is 1,760 tons.
The dimensions of the sectional sliding gate of the BSÖ bridge opening are 50m x 8m x 4m (lxwxh) and the steel weight is 650 tons.
Hollandia has executed the project as a partner in the “ARGE Stahlwasserbau”, the other consortium partners being Stahlbau Lavis and Stahlbau Rolf Janssen.

Completion date:

Client: ARGE Emssperrwerk Gandersum