Activity Report 2016

Dredging Solutions
Dredging Plus Solutions
DEME Fleet

Infra Marine Solutions

Dredging Plus Solutions

DEME’s subsidiary DIMCO (DEME Infra Marine Contractors) is involved in marine infrastructure and civil works that complement and reinforce DEME’s activities. These include design and construction of hydraulic and maritime works for jetties and port terminals, locks, weirs, bored/immersed/cut and cover tunnels, large and complex earth moving works, foundations and marine works for bridges and offshore constructions, civil works for harbour construction, dams and sea defences, canal construction, revetment work, quay wall construction and shore protection amongst others. The company also has a specialised engineering and design department, which can assist DEME clients.

The Netherlands

Offshore Terminal Rotterdam

At the beginning of 2016, DIMCO won accontract in a joint venture with a Dutch contractor for the construction of a 460 m long quay wall for the new Offshore Terminal at the Maasvlakte in Rotterdam. This project was commissioned by the Port of Rotterdam Authority. The new terminal brings together the manufacturing and logistics for offshore wind foundations.

The first 150 m of the quay became operational in December 2016, and the entire quay is scheduled to be put into operation in July 2017. GeoSea’s ‘Innovation’ was the first vessel Quay wall construction Offshore Terminal Rotterdam, The Netherlands to arrive at the new quay for the load-out of monopiles for the Galloper offshore wind farm off the east coast of the UK. All the monopiles for the wind farm, which will house 56 of them, were picked up directly by the installation vessel at Maasvlakte 2.

Spoorzone Delft

The Spoorzone Delft project comprises the integral redevelopment of an area of around 40 ha, located between the inner city and the residential neighbourhoods to the west and south. DIMCO is a fully integrated partner in the project, which includes a 4-track tunnel of 2,400 m (the Willem van Oranje rail tunnel). The project is due for completion in 2018.

Port of Rotterdam

DIMCO was awarded a contract for the construction of mooring dolphins and buoy piles in the Port of Rotterdam. In addition, DIMCO won contracts for a new jetty at the Maasvlakte Oil Terminal and the extension of the Calandsteiger jetty.

Lek weir complex

Together with two Dutch partners DIMCO is modernising the lock and weir complex on the Lek River in the Netherlands. The lock and weir complexes are 50 years old and undergoing a major renovation.

44,500 m³


10,000,000 kg



In January 2017 the province of South Holland and Rijkswaterstaat awarded the contract for the first phase of the RijnlandRoute to Comol5, a joint venture including DIMCO. The RijnlandRoute is the new road connection from Katwijk, via the A44, to the A4 at Leiden. Comol5 will be responsible for the reconstruction of the Leiden West motorway junction and the construction of the 4 km new road N434, including a 2 x 2.2 km-length bored tunnel. Projects in DIMCO’s Benelux home market are important references for the further development of global operations.

Hans Schutte

“Infra marine specialist DIMCO is the newest member of the DEME Group, handling civil works such as quay walls, jetties, immersed tunnels, piling, bored tunnels and locks.”