DOE Operating Experience Summary - 2014-01
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Type:  DOE OPEX

Publisher:  U. S. Department of Energy, Office of Health, Safety and Security - DOE

Published As:  Public

Date: 

Topics:  Nuclear/Nuclear Safety, Occupational Safety and Health, Engineering, Operations, Startup Readiness, Radiation Protection, Ventilation Systems

Lessons Learned from Inadequacies in Management and Oversight at the Integrated Waste Treatment Unit

On June 16, 2012, at Idaho National Laboratory, the Integrated Waste Treatment Unit experienced a Rapid Shutdown System event during hot startup when two pressure events, one temperature trip event, and a high-efficiency particulate air filtration system failure occurred during a 1.6-hour period. There were no injuries or releases of radioactive material to the environment; however, plant operations were shut down. The IWTU had recently passed Operational Readiness Reviews and had been approved for startup. An analysis team was named to investigate the series of events and identify contributing causes.

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