Case studies
Is the valve secure before connection?: The 2012 Gumi hydrogen fluoride release
On 27 September 2012, hydrogen fluoride escaped during preparation for transfer from a road tanker to a storage tank in Gumi, South Korea. The release affected people beyond the workplace.
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Preparation is work at height too: the Shaheen painting-related fall
A worker died after falling while preparing for painting at the Shaheen project on 3 September 2026. Protection needs to cover setup and movement, not only the painting itself.
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What changes when the formwork is removed? The Shaheen burial incident
A worker died after soil and concrete collapsed at the Shaheen project in Ulsan on 26 June 2026. Excavation and removal tasks need to consider support beyond the immediate work point.
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A worker found inside a drum: the Shaheen incident and confined-space response
A worker was reported found dead inside a drum at the Shaheen project on 25 May 2026. The company-disclosure account said the cause was under investigation; it did not establish asphyxiation.
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Plan the route as well as the task: a maintenance fall in Yeosu
A contractor worker died after falling during maintenance at a chemical plant in Yeosu on 17 April 2026. Access and movement deserve the same planning as the work position.
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Cleaning beneath a conveyor: The Massachusetts rock-crusher fatality (2002)
US FACE 02MA001 describes a fatal conveyor/idler entanglement on 7 February 2002. Investigators recommended guarding, hazard analysis, training and lockout/tagout.
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