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Inadvertently opened valve

Published on 16/04/25 150 Views

During maintenance work, a valve in the refill line of a pump seal pot containing flammable liquid was accidentally opened, leading to the release of approximately 9 tons (9,144 kg) of the liquid through a header to a sump.

Ask yourself and your crew:

  • How can something like this happen here (e.g. on our site)?
  • What safety measures (i.e. procedures, controls/barriers) do we have in place to mitigate the risk?
  • How do we know the risk controls/barriers are working?
  • What improvements or changes should we make to the procedures, controls/barriers, or the way we work?

Original material courtesy of the European Process Safety Centre