Dropped Object Risk Assessment

Dropped Object Risk Assessment systematically evaluates the potential for objects to fall or swing into vulnerable targets, quantifying the associated frequencies, energies, and consequences. It supports the development of proportionate prevention and mitigation controls to safeguard people, equipment, and operations.

Service information

  • Catalogue potential drop scenarios, including routine lifts, maintenance, construction activities, and external hazards (e.g., vessel collisions, crane boom failure)
  • Calculate drop frequencies using historical data, industry benchmarks, and site-specific lifting and handling activities
  • Quantify impact energy, penetration depth, equipment damage potential using standards such as DNV-RP-F107
  • Define and implement safe-zone envelopes, exclusion zones, catch systems, barriers, and physical protection for critical equipment and walkways
  • Optimise lifting plans, secondary retention strategies, and tool tethering programmes to minimise drop likelihood
  • Deliver practical recommendations, improvement plans, and training to embed dropped object prevention across operations
  • Incorporate dropped object study results into FERA, ESSA, EERA, TRIA and QRA

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