ENS 51659: Difference between revisions
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| event date = 01/15/2016 20:38 CST | | event date = 01/15/2016 20:38 CST | ||
| last update date = 01/16/2016 | | last update date = 01/16/2016 | ||
| title = Momentary Loss | | title = Momentary Loss of Secondary Containment | ||
| event text = On January 15, 2016 at 2038 CST, an alarm was received indicating Secondary Containment Differential Pressure rose unexpectedly above the Technical Specification Surveillance Requirement, SR 3.6.4.1.1, limit of 0.10 inch of vacuum water gauge. This loss of differential pressure occurred when Operations had entered the 2A Reactor Water Cleanup Pump room. The pump room door was closed and Secondary Containment Differential Pressure returned to Technical Specification limits in approximately 4 minutes. The Standby Gas Treatment System remained in standby and fully operable. | | event text = On January 15, 2016 at 2038 CST, an alarm was received indicating Secondary Containment Differential Pressure rose unexpectedly above the Technical Specification Surveillance Requirement, SR 3.6.4.1.1, limit of 0.10 inch of vacuum water gauge. This loss of differential pressure occurred when Operations had entered the 2A Reactor Water Cleanup Pump room. The pump room door was closed and Secondary Containment Differential Pressure returned to Technical Specification limits in approximately 4 minutes. The Standby Gas Treatment System remained in standby and fully operable. | ||
This condition represents a failure to meet Surveillance Requirement 3.6.4.1.1. As a result, entry into Technical Specification 3.6.4.1, Condition A, was made momentarily due to secondary containment being inoperable. | This condition represents a failure to meet Surveillance Requirement 3.6.4.1.1. As a result, entry into Technical Specification 3.6.4.1, Condition A, was made momentarily due to secondary containment being inoperable. | ||
Latest revision as of 21:45, 1 March 2018
| Where | |
|---|---|
Quad Cities  Illinois (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material | |
| LER: | 05000254/LER-2016-002 |
| Time - Person (Reporting Time:+-0.93 h-0.0388 days <br />-0.00554 weeks <br />-0.00127 months <br />) | |
| Opened: | Rich Martens 01:42 Jan 16, 2016 |
| NRC Officer: | Donald Norwood |
| Last Updated: | Jan 16, 2016 |
| 51659 - NRC Website
| |
Quad Cities with 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material | |