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May 2020 CCPS Process Safety Beacon (Permitted Work - A Special Cause)

  • Writer: Access Compliance
    Access Compliance
  • May 4, 2020
  • 1 min read


"On November 9, 2010, in upstate New York, USA, a contractor was welding new support brackets on a tank for water-based polymer slurry. The area outside the tank had been monitored for flammables and approved for hot work, but the inside of the tank was not tested. An explosion occurred; one person was killed and another one received first-degree burns and other minor injuries..."



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