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Electrical shock from containerised portable office - DEV imca
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Electrical shock from containerised portable office

What happened?

Whilst tidying a mobile office (freight) container, an employee sustained a mild electric shock by inadvertently touching an exposed live electrical cable which was obscured by several boxes below a desk.  The cable had been left in position following the removal of a piece of fixed equipment whilst the container was in storage (out of use).

What were the causes? What went wrong?

  • Checks on the container, pre and post mobilisation, did not identify the potential risk;
  • No formal verification of the condition and safety of the electrical installation in the container had been carried out prior to energising.

 

Lessons

Some of these lessons and actions may be a regulatory requirement in some locations.

  • The condition and safety of any electrical equipment should be established before and after mobilisation, but particularly – as in this case – electrical equipment that is wholly within other installations such as freight containers;
  • Accurate inspection records and wiring diagrams should be maintained, and defective equipment and redundant wiring removed or labelled as such;
  • To ensure the safety of the installation, testing and inspection protocols should be in place coupled together with an approval process which includes the appropriate test and inspection results / records.

Actions

Our member:

  • Isolated and inspected the container electrical installation and the termination of exposed electrical cables;
  • Reviewed and assessed mobile container electrical installations elsewhere in its operation;
  • Developed and implemented formal work instructions for the fit out and/or modification of mobile offshore containers including the electrical installation.

Members may wish to refer to

Safety Event

Published: 25 August 2020
Download: IMCA SF 25/20

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.