ENS 41043: Difference between revisions
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| event date = 09/15/2004 16:00 EDT | | event date = 09/15/2004 16:00 EDT | ||
| last update date = 09/16/2004 | | last update date = 09/16/2004 | ||
| title = Potential Violation | | title = Potential Violation of License Condition - Operation Above Licensed Power Limit | ||
| event text = This 24 hour Notification to the NRC Operations Center is being made per Operating License No. NPF-39, Section 2.F to report a potential violation of the requirements contained in Section 2. C of Limerick Unit 1 license. | | event text = This 24 hour Notification to the NRC Operations Center is being made per Operating License No. NPF-39, Section 2.F to report a potential violation of the requirements contained in Section 2. C of Limerick Unit 1 license. | ||
On September 15, 2004 at 1600 Hrs. it was determined during an investigation of megawatt output differences between the two LGS Units, that LGS Unit 1 secondary plant parameters were identified as being outside of their expected range. This change occurred over several months at the rate of 0.1 %/month for a total potential error of 0.4%. This data indicates that LGS1 could possibly be above the operating license limit of 3458 MWth. Unit 1 power was reduced to 99% power to 3423 MWth as of 1618 to provide margin to licensed thermal power limit. | On September 15, 2004 at 1600 Hrs. it was determined during an investigation of megawatt output differences between the two LGS Units, that LGS Unit 1 secondary plant parameters were identified as being outside of their expected range. This change occurred over several months at the rate of 0.1 %/month for a total potential error of 0.4%. This data indicates that LGS1 could possibly be above the operating license limit of 3458 MWth. Unit 1 power was reduced to 99% power to 3423 MWth as of 1618 to provide margin to licensed thermal power limit. | ||
Latest revision as of 21:22, 1 March 2018
| Where | |
|---|---|
Limerick  Pennsylvania (NRC Region 1) | |
| Reporting | |
| Other Unspec Reqmnt | |
| LER: | 05000352/LER-2004-002 Regarding Period of Operation That Exceeded the License Maximum Power Level |
| Time - Person (Reporting Time:+16.28 h0.678 days <br />0.0969 weeks <br />0.0223 months <br />) | |
| Opened: | Jim Brittian 12:17 Sep 16, 2004 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Sep 16, 2004 |
| 41043 - NRC Website
| |