Maritime

Dynamic Positioning Capability Assessment

DP Capability

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Luca Pivano

Luca Pivano

Principal Specialist DP Simulations

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Empowering safe and predictable vessel operations, with consistent and reliable station-keeping assessments during the complex challenges that offshore vessels encounter.

Dynamic Positioning in challenging seas

To plan and carry out operations with dynamic positioning (DP) vessels, it is crucial to fully understand a vessel’s ability to maintain its position. This is essential for defining safe and efficient strategies for your vessel operations and for determining the level of readiness for the job, especially in the post-failure condition. 

Based on DNV-ST-0111, the Dynamic Positioning Capability Assessment helps you understand your vessel’s station-keeping performance and thereby be aware of your operating limits and the risk related to the loss of equipment in different scenarios.

For your operations, utilizing the DNV simulation capability together with the DP capability application can help you:

  • Improve operational risk management: Reduce uncertainty about your actual station-keeping capability, which is vital for avoiding collisions, accidents, and environmental harm.
  • Streamline operational planning: Optimize your operational phases with accurate simulations, streamlining both planning and execution as well as maximizing operating uptime to save both time and money.
  • Select the right vessel for every operation: Gain transparent and consistent results for selecting the right vessel by running comparable analyses based on DNV-ST-0111 – ensuring that a DP vessel is suited for specific weather and operational conditions.
  • Preparing for equipment failure: Our simulated operating window provides clear and transparent post-failure DP capability, ensuring safe operation in case of equipment failure or unavailability.
  • Support environmental sustainability: Reduce the environmental impact of your operations by evaluating different power system strategies leading to reduced fuel consumption and emissions.
  • Right-size vessel design: Gain vital support in the vessel’s design phase from DNV simulations, aiding in crafting vessels optimized for specific weather conditions and operational demands.

DP Capability (2)

Get the confidence you need for safer and more predictable offshore operations

The DP capability application offers swift and systematic evaluations of a vessel’s DP capabilities using an intuitive interface, instantly displaying results and auto-generating reports for the users. This aligns with DNV’s DP capability standard, DNV-ST-0111, ensuring stakeholders have reliable data for vessel selection, assessment, comparison, and result verification.

We invite you to explore the benefits of the Dynamic Positioning Capability Assessment further. Get in touch with us for personalized advisory and guidance, tailored to propel your maritime operations to new heights.

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DP Capability (3)

DNV’s approach to dynamic positioning capability     

Our standard, DNV-ST-0111 – Assessment of Station-Keeping Capability of Dynamic Positioning (DP) Vessels, provides a straightforward and unified approach to evaluating the station-keeping abilities of DP vessels. Here’s why and how it works:

  • Clear requirements: It stipulates clear criteria for the calculations, documentation, and verification of DP capability assessments.
  • Comparable results: Based on the Beaufort environmental scale, it enables easy station-keeping performance comparison.
  • In-depth results: The assessment outcomes are represented through detailed plots and tables, clearly quantifying the vessel’'s DP capabilities.
  • Site-specific assessments: It offers two specialized levels of assessment (Level 2-Site and Level 3-Site) that factor in site-specific environmental data and external forces, showcasing the viable environment limits for those specific conditions.
DP capability levelLevel description
Level 1Level 1 covers the basic, straightforward calculation method used to document the capabilities of ship-shaped, single-hull vessels. It involves balancing the forces from the environment against the vessel'’s thrust output using environmental conditions based on the Beaufort scale, making it easier to compare different vessels.
Level 2Level 2 involves a more detailed and adaptable calculation method that can be tailored to specific projects and is suitable for all vessel shapes. It likewise uses the Beaufort scale to determine environmental conditions.
Level 2 - SiteSame as Level 2, but allows for site-specific environmental conditions and external forces.
Level 3Level 3 offers a deeper understanding of a vessel’s DP capabilities through time-domain simulations, incorporating both vessel and environmental dynamics to give a more comprehensive view of station-keeping performance compared to other levels.
Level 3 - SiteSame as Level 3, but allows for site-specific environmental data and external forces.

Contact us:

Luca Pivano

Luca Pivano

Principal Specialist DP Simulations

Get in touch with your local office

Find office details Buy now

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