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June 17, 2022

DNV grants first-class notation to TechnipFMC for DDV of DP systems

The DDV class notation allows more convenient evaluation of the DP system on board a vessel.

TechnipFMC has secured first-class notation from the Norwegian classification society DNV for its data-driven verification (DDV) of dynamic positioning (DP) systems used on offshore vessels.

Offshore vessels use DP systems for precise manoeuvring, maintaining a fixed position or track keeping during pipe and cable laying.

Furthermore, Kongsberg Maritime has received approval in principle (AiP) under the DDV notation for its Dynamic Positioning Digital Survey (DPDS).

This software system was the one used in the DDV process for the DP systems, which were assessed on board TechnipFMC’s Deep Star vessel.

TechnipFMC OneFleet vice-president David Jousset said: “With this notation, the TechnipFMC vessel Deep Star can perform annual DP trials remotely with increased flexibility in planning, improved consistency and increased transparent data sharing.

“This is a significant step in leveraging new capabilities in the digital space and bringing added value to our clients through greater efficiency and improved fleet utilisation.”

The DDV class notation facilitates more convenient evaluations of on-board DP systems, which can be performed by crew and without the physical attendance of a surveyor.

Crew can also use the digital system to conduct test activities and automatically gather data on the behaviour of the vessel.

The surveyor can verify this data later using a digital playback application.

DNV Maritime special ships segments director Arnstein Eknes said: “The lessons we learn from developing and using these new systems are making class processes smoother, giving greater flexibility to owners, operators and most importantly crews. While at the same time, we are building data sets that are reliable and unlock value across the industry.”

In April, Gaztransport & Technigaz (GTT) and Deltamarin received AiP from DNV for the design of a liquefied natural gas (LNG)-driven pure car and truck carrier (PCTC).

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