Restricted Work or Transfer to another job Case
This case involves the base plate replacement work of PTK-21A (acetone, 250KL).
When a worker was walking toward a site near a manhole at PTK-21A to resume work after a lunch break
he stepped on a cover of a pipe pit on his walking route and caused the cover to collapse
with his right leg scalded by hot water inside the pit
Rain water accumulating inside the pit had been heated by traces of funnel pipes inside the pit and become hot.