Huisman crane to increase lifting capacity of DEME’s jack-up vessel Sea Installer

Dutch heavy construction equipment specialist Huisman has been awarded a contract from Belgian contractor DEME for the delivery of a 1,600mt Leg Encircling Crane (LEC). The crane will be used on DEME’s jack-up vessel Sea Installer to increase its lifting capacity.

Huisman will replace the Sea Installer’s current 900mt crane with a 1,600mt LEC, increasing the lifting capacity by 700mt, yet with a limited weight impact on the vessel. The Huisman LEC is specifically designed to be used on a jack-up vessel and is characterised byits lightweight, yet robust crane design, with a high level of reliability, positioning accuracy and energy efficiency.

The LEC for the Sea Installer has a 140m long boom, capable of reaching close to 160 metres above main deck, making it suitable for the construction of tomorrow’s offshore wind farms. The crane will be delivered to DEME from the Huisman facility in Schiedam, the Netherlands.

The upgraded ‘Sea Installer’ will be deployed for the first time at the 800 MW Vineyard Wind 1 project, one of the first large-scale wind farms in the US. Vineyard Wind 1 will feature 62 GE Haliade-X offshore turbines.

David Roodenburg, CEO of Huisman: “We are very proud to have been awarded this contract by DEME, and are thankful for the trust placed in Huisman to replace the existing crane. This upgrade underlines our shared ambition to use our knowledge and expertise to install the next generation of wind turbines as efficiently as possible. We look forward to help maximising the Sea Installer’s performance on the prestigious Vineyard project in the US.”

The contract for the LEC follows earlier contract awards for LEC cranes this year. Most recently, in July, Huisman won the contract to deliver a 2,600mt LEC for Eneti‘s new wind turbine installation vessel. In January the order was placed also for an 2,600mt LEC for OIM Wind’s BT-220IU Wind Installation Unit. Source image: DEME

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