ENS 51655
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ENS Event | |
|---|---|
22:43 Jan 14, 2016 | |
| Title | Notification of Unusual Event - Security Condition That Does Not Involve Hostile Action |
| Event Description | A security condition that does not involve a hostile action was reported by the Diablo Canyon security watch commander.
At 1443 PST on 1/14/16, Diablo Canyon declared an Unusual Event, due to an unauthorized person in the Owner Controlled Area. Site Security was dispatched and assistance was requested from the local Sheriff's Department. The individual was apprehended. At 1602 PST on 1/14/16, Diablo Canyon terminated the Unusual Event after the individual was apprehended and placed in custody of local law enforcement. Diablo Canyon remained at 100 percent power for the duration of the event. No radiological release has occurred and all radiation levels are normal on both units. A press release is planned. The licensee has notified the NRC Resident Inspector and state and local authorities. Notified FEDS (DHS SWO, FEMA Ops, DHS NICC, and NuclearSSA via email.)
This Notification is being retracted. Upon further evaluation, Pacific Gas and Electric has determined that declaration of the Unusual Event was not required. The event did not constitute a threat or compromise to site security, did not involve a threat or risk to site personnel, did not represent a potential degradation to the level of safety of the plant, and did not affect the health and safety of the public. The licensee has notified the NRC Resident Inspector of the retraction. Notified R4DO (Whitten), IRD (Stapleton) and NRR (Morris). |
| Where | |
|---|---|
Diablo Canyon  California (NRC Region 4) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
| Time - Person (Reporting Time:+-4.55 h-0.19 days <br />-0.0271 weeks <br />-0.00623 months <br />) | |
| Opened: | John Clipperton 18:10 Jan 14, 2016 |
| NRC Officer: | John Shoemaker |
| Last Updated: | Feb 23, 2016 |
| 51655 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Diablo Canyon with 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration | |
WEEKMONTHYEARENS 537642018-12-01T08:00:0001 December 2018 08:00:00
[Table view]10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Automatic Reactor Trip of Unit 2 Due to a Load Rejection ENS 531842018-01-26T03:01:00026 January 2018 03:01:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Screen Wash Pump Motor Fire ENS 528762017-07-28T19:06:00028 July 2017 19:06:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared Due to Low Oxygen Levels Inside Containment ENS 526522017-03-30T23:30:00030 March 2017 23:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Onsite Fatality ENS 516552016-01-14T22:43:00014 January 2016 22:43:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event - Security Condition That Does Not Involve Hostile Action ENS 512462015-07-21T21:53:00021 July 2015 21:53:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Single Emergency Siren Inadvertent Actuation ENS 503702014-08-14T23:31:00014 August 2014 23:31:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Unit 2 Technical Specification Required Shutdown Due to Multiple Inoperable Emergency Diesel Generators ENS 502352014-06-27T22:35:00027 June 2014 22:35:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to an Inadvertent Activation of an Emergency Siren ENS 497862014-02-02T19:29:0002 February 2014 19:29:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unit 2 Automatic Reactor Trip ENS 491842013-07-10T16:50:00010 July 2013 16:50:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unit 2 Automatic Reactor Trip ENS 491482013-06-26T04:58:00026 June 2013 04:58:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Plant Shutdown Required Due to Rhr System Socket Weld Leak ENS 484272012-10-21T07:09:00021 October 2012 07:09:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Seismic Event ENS 484002012-10-11T19:08:00011 October 2012 19:08:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unit 2 Experienced an Automatic Reactor Trip on a 500Kv Line Differential Relay Actuation ENS 478652012-04-26T05:27:00026 April 2012 05:27:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Press Release Issued for Shutdown of Unit 2 Due to Salp Influx ENS 477582012-03-21T14:49:00021 March 2012 14:49:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Offsite Notification During Simulator Training ENS 477332012-03-12T14:42:00012 March 2012 14:42:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Non-Work Related On-Site Fatality ENS 470792011-07-20T20:18:00020 July 2011 20:18:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Press Release After Fire on Site ENS 466682011-03-11T09:23:00011 March 2011 09:23:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notice of Unusual Event as a Result of a Tsunami Warning in the Area ENS 465092010-12-26T00:25:00026 December 2010 00:25:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event Declared Due to High Winds ENS 462512010-09-14T15:15:00014 September 2010 15:15:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Minor Diesel Fuel Spill Into the Ocean ENS 460362010-06-23T17:48:00023 June 2010 17:48:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared for a Cardox Discharge in the Turbine Building ENS 459942010-06-09T18:12:0009 June 2010 18:12:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Press Release Concerning a Caustic Spill ENS 459922010-06-09T18:12:0009 June 2010 18:12:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Toxic Gas/Chemical Spill in the Protected Area ENS 452602009-08-13T20:04:00013 August 2009 20:04:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Potential Media Interest Due to Planned Maintenance Outage ENS 451782009-06-30T22:13:00030 June 2009 22:13:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Potential Media Interest Due to Forced Outage ENS 451122009-06-02T08:22:0002 June 2009 08:22:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event - Smoke Alarm in Protected Area Lasting Greater than 15 Minutes ENS 446752008-11-21T19:08:00021 November 2008 19:08:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification and Media Briefing Due to Potential Discovery of Offshore Fault Near Plant ENS 445882008-10-22T03:51:00022 October 2008 03:51:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unit 2 Manual Reactor Trip Due to Jellyfish Intrusion ENS 444192008-08-17T07:12:00017 August 2008 07:12:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unusual Event Declared Due to Fire in Main Bank Tranformer ENS 443572008-07-21T16:08:00021 July 2008 16:08:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared - Unable to Validate a Fire Alarm within 15 Minutes ENS 442302008-05-21T22:00:00021 May 2008 22:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Mobile Crane Caused Damage to Met Tower ENS 430472006-12-12T21:22:00012 December 2006 21:22:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Circulating Water Pump Failure Causes Explosion in Intake Structure ENS 417742005-06-15T03:50:00015 June 2005 03:50:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event Due to Tsunami Warning ENS 410762004-09-28T17:30:00028 September 2004 17:30:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Seismic Activity ENS 408362004-06-23T21:25:00023 June 2004 21:25:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification and Media Interest in Fire in Cafeteria ENS 404082003-12-22T19:22:00022 December 2003 19:22:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event - Earthquake ENS 402582003-10-18T07:52:00018 October 2003 07:52:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Earthquake Felt on Site. Entered Emergency Action Level (Eal) 18 2018-12-01T08:00:00 | |
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