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High potential incident: gantry hoist failure - DEV imca
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High potential incident: gantry hoist failure

What happened?

An electrically powered gantry hoist failed whilst under load dropping cargo and lifting equipment to deck. The incident occurred during a lift of 500kg of palletised provisions onto the vessel. The failure resulted in the provisions falling onto the deck. The gantry hoist housing included a chain box containing approximately 10m of 10mm chain weighing approximately 19 kg which dropped 4m (12ft) onto the deck.

There were no injuries. However, there was potential for serious or fatal injury.

What were the causes? What went wrong?

The hoist motor / gearbox housing securing bolts failed due to excessive and previously unidentified internal corrosion.

What actions were taken?

  • Review and improvement of:
    • Procurement process to emphasise the importance of ensuring that equipment is selected by a competent person, is suitable for its intended purpose and operating environment;
    • Mechanical lifting equipment procedure modified to further emphasise the importance of complying with the procurement process and the manufacture’s installation, use and maintenance requirements;
    • Enhanced arrangements for the management and control of equipment maintenance and inspection records and general record keeping

Members may wish to refer to

Safety Event

Published: 6 July 2020
Download: IMCA SF 20/20

Relevant life-saving rules:
IMCA Safety Flashes
Submit a Report

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.

IMCA’s store terms and conditions (https://www.imca-int.com/legal-notices/terms/) apply to all downloads from IMCA’s website, including this document.

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.