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Hanson launch new marine aggregate dredger

Hanson Thames marine aggregate dredger

New vessel offers increased payload, improved fuel consumption and operational and maintenance savings

HANSON UK have successfully launched their new marine aggregate dredger (MAD), Hanson Thames, which will operate in the North Sea and English Channel.

The MAD 3500 model, built by Damen Shipyards Group at their Galati yard in Romania, is capable of extracting marine-dredged aggregates in water up to 55m deep and has been designed to ensure safe, comfortable operations – even in adverse conditions.


The vessel’s innovative design provides increased payload and efficiency, which will allow it to carry up to 7,000 tonnes of marine aggregates per trip, as well as improved fuel consumption and operational and maintenance savings.

It is also equipped with enhanced safety features including an enclosed bow to protect equipment and dredge pipes positioned above the main deck.

Hanson’s chief executive officer, Simon Willis, said: ‘The introduction of the new MAD forms part of our strategy to replace our existing ageing dredgers, which supply essential sand and gravel to ready-mixed concrete, concrete block and aggregate bagging plants.

‘Co-ordinated teamwork and Damen’s robust approach to safety have been instrumental in ensuring production continued during the COVID-19 pandemic so its launch could be completed. The project team have been commendable, and we look forward to working with the group during the next phase.’

Damen will complete further work on Hanson Thames prior to commissioning, including its dredge equipment and screening installation. 


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