Expanding Operational Capabilities for Multicat Diablo
Profile view looking from SB
+15 nautical miles
Marimecs carried out a complete reassessment of the vessel to support a new stability calculation, allowing the Multicat to operate up to 20 nautical miles offshore instead of the previous 5 nautical mile limitation.
With its 75 m² deck space, 60-tonne deck capacity and heavy-duty deck equipment, Diablo is well suited for a broad range of offshore support activities. The vessel can transport and position pontoons, supply equipment and materials to offshore projects, support dredging and marine construction operations, and assist with anchor handling and logistical activities at offshore work sites.
New assessment
Throughout the vessel’s operational life, several modifications and upgrades had already been implemented, including accommodation improvements and additional equipment installations. To establish an accurate basis for the new assessment, Marimecs carried out detailed onboard measurements and translated all modifications into an updated construction package and 3D model.
These measurements confirmed that previous modifications had been carried out with a strong and future-oriented structural approach. As a result, only limited refinements were required to fully align the vessel with the updated operational requirements.
Diablo at work in the Wadden Sea before modifications, Photo by TB Waterwerk
Based on the updated engineering package
Marimecs delivered
A new Stability Book
Updated Safety Plan documentation
Updated General Arrangement documentation
Updated Construction Plan documentation
Structural and stability calculations supporting the new operational profile
Inclining test
To validate the calculations and vessel characteristics, Marimecs engineers also performed the inclining test themselves, ensuring the required data accurately reflected the vessel’s current condition.
Modification results
Projects like Diablo demonstrate that expanding or refining a vessel’s operational profile does not necessarily require major structural changes. Whether the goal is to extend operational areas, adapt to new tasks, or prepare a vessel for future requirements, a detailed engineering assessment can unlock additional value from an existing asset.
Ready – set – upgrade
Marimecs supports ship owners and shipyards with complete engineering packages for conversions, operational profile changes, stability assessments, and vessel upgrades helping vessels remain ready for the challenges of tomorrow.
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Marimecs is part of the Marimecs Group, which consists of independent brands, each operating in its own field for shipyards, owners and suppliers.