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ICSA Guidance for Land-Based Cranes Working on Vessels

Using land-based mobile cranes on barges or vessels introduces significant challenges related to stability, motion, load-handling and environmental conditions. Cranes for You includes this ICSA guidance because safe crane operations on floating or semi-floating platforms are critical for achieving Goal Zero in lifting, hoisting and specialised maritime transport operations.

Summary of the Vessel-Based Crane Guidance

  • Motion and dynamic effects — Understanding vessel movement, swell, acceleration and roll, and how they influence crane stability and load control.
  • Ground conditions on deck — Requirements for deck strength, load-spreading, mats, grillage and structural verification before crane setup.
  • Positioning and securing the crane — Guidelines on lashing, securing systems, anti-slide measures and maintaining stability during transit or lifting.
  • Environmental limits — Wind, tide, current and wave-height thresholds for safe crane operation on a floating platform.
  • Operational planning & communication — Aligning crane teams and marine crews, establishing clear radio protocols, and defining responsibilities.

Practical Relevance for Marine and Offshore Projects

Applying this guidance helps teams:

  • safely use mobile cranes on barges, pontoons and support vessels;
  • prevent crane instability caused by vessel movement or insufficient deck support;
  • establish unified procedures between crane crews and marine operators;
  • conduct accurate lift planning in tidal, coastal or nearshore environments;
  • reduce project delays and incidents during offshore construction or load-out operations.

Official Source

This guidance is produced by the International Crane & Specialized Transport Association (ICSA) and is also supported by ESTA Europe, the European authority for crane and heavy-transport safety.
Learn more at:
ICSA: https://icsa-crane.org
ESTA: https://estaeurope.eu/

Related Knowledge Articles

Ready to Improve Safety on Floating Crane Operations?

You can download the full ICSA vessel-crane guidance from this page and apply its recommendations to strengthen your marine lifting procedures.
Cranes for You is available for lift-plan reviews, marine-crane risk assessments and project support for nearshore and offshore operations.

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