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Secondary lifting tools to install monopiles offshore

Here's why you don't need them, and what to use instead

As the offshore wind industry scales toward next-generation XL Monopiles, the engineering response has followed a predictable pattern: building larger, heavier, and more specialized secondary tools for upending and lifting. 

But as we push the boundaries of size, we must ask ourselves: Is adding more hardware truly the “evolution” the industry needs? 

The Real Cost of Secondary Handling Tools

When you rely on a separate upending tool for XL Monopiles, you are adding operational challenges to your project: 

  • Deck space congestion: Deck space on a Heavy Lift Vessel is limited. Specialized tools for lifting and upending consume deck space that could otherwise be used to ensure a safe working space or for additional foundations. 
  • Poor time management: Every tool change happening offshore represents a window of idle vessel time. In the offshore environment, this time translates into significant additional cost and loss of available weather window. 
  • Cumulative risk: Each additional lift and connection required to swap from a handling tool to the driving hammer increases the statistical window for operational incidents. 

The case for integration: the all-in-one philosophy

Why mobilize a separate upending tool when your driving equipment is already designed to do the job? 

By integrating upending and lifting capabilities directly into the vibratory hammer, as we have done with Dieseko’s PVE GIANT 2000 and PVE 500MU, we have effectively eliminated the need for stand-alone handling equipment for monopile installation. 

This isn’t just about a machine; it’s about a fundamental shift in the Total cost of installation. The benefits of this integrated approach are clear: 

  • Unmatched efficiency: Upending the monopile to vertical driving in a single, seamless flow. 
  • Substantial time & cost savings: Eliminating change in installation aids offshorekeeps the vessel working, optimizing weather windows and keeping the project on schedule. 
  • Application versatility: An integrated system makes your primary installation equipment suitable for multiple applications without re-rigging. Furthermore, with integrated systems you can extract monopiles and correct verticality, which would be impossible with secondary handling tools. 
  • Safe lean operations: Removing the need for additional upending equipment simplifies the deck and reduces the number of handling operations offshore. 

Looking forward

In the race for offshore efficiency, “more tools” cannot be the final answerThe future of XL Monopile installation lies in equipment with an integrated upending system. 

Reach out to our offshore expert to explore integrated solutions:

Rob Eijkens

Offshore Business Development & Technical Manager Offshore

+31(0)184 410 333

Email me

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