Incident Averted because of Good Work Planning and Hazard Analysis
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Type:  Best Practice

Publisher:  Thomas Jefferson National Accelerator Facility, Newport News, VA

Published As:  Public

Date: 

Topics:  Maintenance, Work Management/Planning

An Ashcroft Test Gauge was being used for routine testing operations. It had recently been calibrated (three months before), and was in good working order. When it was removed from the test piece, it was discovered that the first three rows of threads had worn down. The technician removed it from service and replaced it with one that that was in good working order.

Good Work Practice: Jefferson Labs Work Planning Control and Authorization Work Process incorporates a hazard analysis phase. This is included so employees consciously review their task to identify unmitigated hazards. Using the hazard analysis processes steps during the assignment, it was recognized that the test pressure gauge would not be acceptable for another test and it was replaced.

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