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Crane incident - DEV imca
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Crane incident

We have received information concerning part of the manufacturer’s name plate, weighing 250g, falling off of an offshore crane on an offshore installation, landing 21m below on an over-side scaffold at deck level. There was no-one on the scaffold at the time and no work was ongoing in the immediate vicinity.

The following initial findings were identified:

  • The sign had been installed onto handrails on the crane’s ‘A’ frame since the unit’s construction;
  • Failure of the sign had occurred through the fixing bolt hole, due to metal fatigue which, in turn, was caused by the operational vibration of the handrail;
  • The sign was in poor condition and had a number of cracks throughout its length. A similar sign on the opposite side of the crane appeared to be in good condition.

The company involved has removed similarly installed signs from other cranes.


IMCA Safety Flashes summarise key safety matters and incidents, allowing lessons to be more easily learnt for the benefit of all. The effectiveness of the IMCA Safety Flash system depends on Members sharing information and so avoiding repeat incidents. Please consider adding safetyreports@imca-int.com to your internal distribution list for safety alerts or manually submitting information on incidents you consider may be relevant. All information is anonymised or sanitised, as appropriate.

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IMCA makes every effort to ensure the accuracy and reliability of the data contained in the documents it publishes, but IMCA shall not be liable for any guidance and/or recommendation and/or statement herein contained. The information contained in this document does not fulfil or replace any individual’s or Member's legal, regulatory or other duties or obligations in respect of their operations. Individuals and Members remain solely responsible for the safe, lawful and proper conduct of their operations.