ENS 46548: Difference between revisions
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| event date = 01/19/2011 02:00 EST | | event date = 01/19/2011 02:00 EST | ||
| last update date = 03/24/2011 | | last update date = 03/24/2011 | ||
| title = Emergency Response Data Acquisition | | title = Emergency Response Data Acquisition and Display System (Erdads) Removed from Service for Maintenance | ||
| event text = On 1/19/11, St Lucie Unit 1 and Unit 2 will lose the computer trains associated with Emergency Response Data Acquisition and Display System (ERDADS). Unit 1 will be removed for corrective maintenance, and Unit 2 will be removed for system modification. It is expected that Unit 1 will be restored by 1/21/11, and Unit 2 will be returned to a functional status prior to core reload and fully operational by March 20, 2011. Further, neither Unit 1 nor Unit 2 ERDADS will be removed from service until Unit 2 has defueled (currently scheduled for 1/19/2011 at 0200). This is an advance notification of a planned loss of emergency assessment capability, which will be reportable under 10CFR50.72(b)(3)(xiii). Other means to monitor critical data exists. Notification will be made when each unit is restored to available status. | | event text = On 1/19/11, St Lucie Unit 1 and Unit 2 will lose the computer trains associated with Emergency Response Data Acquisition and Display System (ERDADS). Unit 1 will be removed for corrective maintenance, and Unit 2 will be removed for system modification. It is expected that Unit 1 will be restored by 1/21/11, and Unit 2 will be returned to a functional status prior to core reload and fully operational by March 20, 2011. Further, neither Unit 1 nor Unit 2 ERDADS will be removed from service until Unit 2 has defueled (currently scheduled for 1/19/2011 at 0200). This is an advance notification of a planned loss of emergency assessment capability, which will be reportable under 10CFR50.72(b)(3)(xiii). Other means to monitor critical data exists. Notification will be made when each unit is restored to available status. | ||
The licensee has notified the NRC Resident Inspector. | The licensee has notified the NRC Resident Inspector. | ||
Latest revision as of 21:07, 1 March 2018
| Where | |
|---|---|
Saint Lucie  Florida (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-20.2 h-0.842 days <br />-0.12 weeks <br />-0.0277 months <br />) | |
| Opened: | Brad Bishop 10:48 Jan 18, 2011 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Mar 24, 2011 |
| 46548 - NRC Website
| |