ENS 49341: Difference between revisions
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StriderTol (talk | contribs) (Created page by program invented by StriderTol) |
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| event date = 09/13/2013 10:45 EDT | | event date = 09/13/2013 10:45 EDT | ||
| last update date = 09/27/2013 | | last update date = 09/27/2013 | ||
| title = Item Relied | | title = Item Relied on for Safety May Not Be Reliable | ||
| event text = At about 1045 EDT on 9/13/13, it was discovered that the feed tube level sensor on a press operation is not fail safe upon loss of signal. The sensor is a sole IROFS [Item Relied On For Safety] for a particular sequence. Criticality controls remained in place. Affected equipment has been shut down. No unsafe condition exists. Feed tube level sensor is in place for the sequence to limit mass. At no time was the mass limit exceeded. We are reporting under Part 70, Appendix A, (a)(4) which states that credited IROFS must remain available and reliable. We cannot evaluate reliability in the time required for a 1 hour report. In addition, the affected equipment has been secured. An investigation is underway to determine corrective actions and extent of condition. | | event text = At about 1045 EDT on 9/13/13, it was discovered that the feed tube level sensor on a press operation is not fail safe upon loss of signal. The sensor is a sole IROFS [Item Relied On For Safety] for a particular sequence. Criticality controls remained in place. Affected equipment has been shut down. No unsafe condition exists. Feed tube level sensor is in place for the sequence to limit mass. At no time was the mass limit exceeded. We are reporting under Part 70, Appendix A, (a)(4) which states that credited IROFS must remain available and reliable. We cannot evaluate reliability in the time required for a 1 hour report. In addition, the affected equipment has been secured. An investigation is underway to determine corrective actions and extent of condition. | ||
The license will notify NRC Region 2. | The license will notify NRC Region 2. | ||
Revision as of 21:59, 1 March 2018
| Where | |
|---|---|
| Global Nuclear Fuel - Americas Wilmington, North Carolina (NRC Region 2) | |
| License number: | Snm-1097 |
| Reporting | |
| Part 70 App A (A)(4) | |
| Time - Person (Reporting Time:+-3.83 h-0.16 days <br />-0.0228 weeks <br />-0.00525 months <br />) | |
| Opened: | Scott Murray 10:55 Sep 13, 2013 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Sep 27, 2013 |
| 49341 - NRC Website
| |