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Utility Hose Rupture Fatal Injury
In October 2005 at a Shell Operated Refinery, a process technician (operator) was attempting to purge a vessel with a Nitrogen Utility Hose. The vessel that had not been fully de-pressured was still under a pressure in the range of 15-18 bars (217-261 psig). As a result, the utility hose ruptured causing a jet stream of chemicals containing hydrogen fluoride to spray onto the operator who was fatally injured.
The C3 KOH Treater Vessel was not completely de-pressured when the operator attempted to introduce N2 into the system. The utility hose ruptured due to overpressure from backflow of product from the vessel that was at a pressure, (exceeding the hose rating 15 ¿ 18 barg/217-261 psig). As a result, a jet stream of chemicals sprayed on the ground and onto the operator.
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