Monopile Installation Equipment – DEME Orion

DEME’s Monopile Installation Vessel Orion is the newest member of its fleet. The Orion is tasked with the record-breaking installation of 29 XXL monopiles for the Arcadis Ost 1 Offshore Wind Farm in the German Baltic Sea. With the largest piles sitting at 110m long, 9.5m in diameter, and 2,000 tonnes, the Orion required an innovative approach to tackle these behemoths.

TWD had the pleasure of contributing to this task. Working closely with DEME, TWD developed the basic structural and mechanical design of a motion-compensated pile gripper (MCPG), enabling the monopiles to remain vertical and stable for installation in variable weather conditions.

TWD also provided the design of a cantilevered ‘Lifting Tool Insertion Aid’, adjustable monopile seafastening cradles, and the auxiliary crane pedestal and dual boom rest system. Our pragmatic approach and novel solutions helped contribute to the successful installation of all 29 XXL monopiles.


Project highlights

  • Basic design of future proof and high workability MCPG
  • Future proof MP seafastening system for up to 5 MPs
  • Robust lifting tool stabbing system to decrease time offshore

Monopile Installation Equipment – DEME Orion

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