Pioneering engineering: MV Lone achieves new open-top load line assignment

This milestone underscores the innovative engineering expertise of our team at SAL Engineering, and positions MV Lone for enhanced operational capabilities in upcoming offshore projects.

Karsten Behrens, Managing Director of SAL Engineering

Pioneering engineering: MV Lone achieves new open-top load line assignment

We are delighted to announce a significant achievement for our vessel MV Lone. In accordance with existing SPS-Code requirements and in preparation for her upcoming IP-Code certification in February 2025, the vessel has been assigned a new open-top load line, increasing her maximum draft to an impressive 8.5m, boosting the corresponding deadweight capacity by 3300 tons. This milestone underscores the innovative engineering expertise of our team at SAL Engineering, and positions MV Lone for enhanced operational capabilities in upcoming offshore projects.

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The path to certification

Achieving this certification required thorough preparation and testing. Open-top seakeeping model tests were conducted at the prestigious Hamburg Ship Model Basin (HSVA). These tests evaluated the vessel’s dynamic behaviour under heavy storm conditions, simulating waves with a significant height of 8.5m. The assessment also included measuring green water ingress into the open cargo hold under five different encounter angles, defined as the angles between the vessel’s forward direction and the wave propagation. The test program was meticulously designed to meet statutory rules for acquiring the open-top load line certification.

Why the increased draft?

The decision to pursue a higher draft was driven by the specific requirements of MV Lone’s future offshore operations, including the Baltic Power and Windanker projects. These offshore transition piece installation projects demand higher hook loads, requiring additional ballast to maintain stability and safety. The increased displacement ensures safe and efficient offshore lifts. By increasing the open-top draft from 7.5m to 8.5m, MV Lone is now fully equipped to meet these operational challenges, ensuring safe and reliable performance even in demanding conditions.

Collaboration and expertise

This achievement was made possible by the inhouse expertise of our engineers, whose innovative solutions ensured compliance with regulatory requirements while optimizing the vessel’s operational readiness. The model tests at HSVA provided invaluable insights into the vessel’s performance under extreme conditions, reaffirming the importance of meticulous planning and advanced engineering in maritime operations.

What’s next for MV Lone?

In February, MV Lone will embark on a new chapter with increased capabilities and intake, and improved offshore lift stability. The vessel will be mobilized for the upcoming long-term offshore installation projects, including installation of SAL Heavy Lift’s own temporary living quarter modules to accommodate the additional installation crew, a walk to work system to safely transfer between the vessel and offshore structures, as well as foldable tugger arms on both cranes to carefully control objects lifted offshore.

We take immense pride in this milestone, which reflects our ongoing commitment to excellence and innovation in maritime engineering.

Stay tuned for more updates as MV Lone prepares to set sail for the Baltic Power project. We extend our gratitude to all teams and partners involved in this journey – together, we continue to push the boundaries of what is possible in the offshore world.

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