ENS 40478: Difference between revisions
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| event date = 01/26/2004 09:41 EST | | event date = 01/26/2004 09:41 EST | ||
| last update date = 01/26/2004 | | last update date = 01/26/2004 | ||
| title = Unusual Event (Transitory) Due | | title = Unusual Event (Transitory) Due to Low Intake Bay Level Caused by Icing | ||
| event text = This is a notification of a transitory Notification of Unusual Event. Nine Mile Point Unit 1 experienced a transitory low intake bay level due to icing. This condition was resolved by shifting circulating water flow from reverse flow to normal flow. This met Emergency Action Level 8.4.3 for low fore bay level less than 238.8 feet. The duration of this event was from 0941 (EST) to 0943. | | event text = This is a notification of a transitory Notification of Unusual Event. Nine Mile Point Unit 1 experienced a transitory low intake bay level due to icing. This condition was resolved by shifting circulating water flow from reverse flow to normal flow. This met Emergency Action Level 8.4.3 for low fore bay level less than 238.8 feet. The duration of this event was from 0941 (EST) to 0943. | ||
While returning reactor power to 100%, an unrelated problem [plant computer] halted power ascension at 92.4% [from a stable 90% reactor power]. | While returning reactor power to 100%, an unrelated problem [plant computer] halted power ascension at 92.4% [from a stable 90% reactor power]. | ||
Latest revision as of 21:24, 1 March 2018
| Where | |
|---|---|
Nine Mile Point  New York (NRC Region 1) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
| Time - Person (Reporting Time:+-3.43 h-0.143 days <br />-0.0204 weeks <br />-0.0047 months <br />) | |
| Opened: | Fred Ringwald 11:15 Jan 26, 2004 |
| NRC Officer: | Arlon Costa |
| Last Updated: | Jan 26, 2004 |
| 40478 - NRC Website
| |