Tri-collaboration Tri-collaboration on new generation dredger design

The innovative design of the new vessel offers greater efficiency, environmental credentials and the ability to transport 15% more load The innovative design of the new vessel offers greater efficiency, environmental credentials and the ability to transport 15% more load

CEMEX, Damen and Lloyd’s Register (LR) have entered into a tri-party collaboration to help meet UK requirements for a next generation environmentally friendly dredger.

Damen Shipyards Group will build the first in a new generation of Marine Aggregate Dredgers, with LR providing classification for the vessel. It is the first new dredger CEMEX has commissioned in 20 years and represents a step-change in dredging technology for the company.

“With the challenge of delivering an innovative modern aggregate dredger to meet the future business requirements of CEMEX Marine, partners with the same philosophy were essential,” said Mark Williams, fleet engineering manager, CEMEX UK.

Innovative design

The innovative design of the new vessel offers greater efficiency, environmental credentials and the ability to transport approximately 15% more load when compared to CEMEX’s current dredger.

With the capability to extract sand and gravel from the sea bed at depths up to 55m, this vessel has been designed to maintain operations in North Sea conditions.

The dredger will also benefit from no ballast operations, helping to deal with increasing environmental concerns around biosecurity. It also meets LR’s ECO notation requirements that recognise the increased environmental drivers influencing modern dredging design.

LR provided integral support to Damen during the design concept stage, optimising the dredger to maximise payload through structural efficiency.

Additionally, LR has provided assistance with statutory challenges, including one example related to vessel coaming height and the application of the DR68 International standard.

The steel cutting will take place later this year and the vessel is expected to be delivered at the end of 2019.

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