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{{#Wiki_filter: | {{#Wiki_filter:May 22, 2013 Jeremy Browning, Site Vice President Arkansas Nuclear One Entergy Operations, Inc. | ||
1448 SR 333 Russellville, AR 72802-0967 | 1448 SR 333 Russellville, AR 72802-0967 | ||
==SUBJECT:== | ==SUBJECT:== | ||
==SUMMARY== | ==SUMMARY== | ||
OF PUBLIC MEETING TO DISCUSS RESULTS OF AUGMENTED INSPECTION AT ARKANSAS NUCLEAR ONE | OF PUBLIC MEETING TO DISCUSS RESULTS OF AUGMENTED INSPECTION AT ARKANSAS NUCLEAR ONE | ||
==Dear Mr. Browning:== | ==Dear Mr. Browning:== | ||
On May 9, 2013, members of the NRC staff met with representatives of Arkansas Nuclear One, Units 1 and 2, in Russellville, AR, to discuss the results of the Augmented Inspection conducted at Arkansas Nuclear One. The Augmented Inspection Team was chartered to review the circumstances surrounding an industrial accident which caused a loss of offsite power to Unit 1 and an automatic shutdown of Unit 2 on March 31, 2013. A copy of the NRCs presentation is included as Enclosure 1. | On May 9, 2013, members of the NRC staff met with representatives of Arkansas Nuclear One, Units 1 and 2, in Russellville, AR, to discuss the results of the Augmented Inspection conducted at Arkansas Nuclear One. The Augmented Inspection Team was chartered to review the circumstances surrounding an industrial accident which caused a loss of offsite power to Unit 1 and an automatic shutdown of Unit 2 on March 31, 2013. A copy of the NRCs presentation is included as Enclosure 1. | ||
In accordance with 10 CFR 2.390 of the NRCs Rules of Practice, a copy of this letter and its enclosure will be available electronically for public inspection in the NRCs Public Document Room or from the Publicly Available Records (PARS) component of the NRCs Agency-wide Documents Access and Management System (ADAMS). ADAMS is accessible from the NRC web site at http://www.nrc.gov/reading-rm/adams.html (The Public Electronic Reading Room). | In accordance with 10 CFR 2.390 of the NRCs Rules of Practice, a copy of this letter and its enclosure will be available electronically for public inspection in the NRCs Public Document Room or from the Publicly Available Records (PARS) component of the NRCs Agency-wide Documents Access and Management System (ADAMS). ADAMS is accessible from the NRC web site at http://www.nrc.gov/reading-rm/adams.html (The Public Electronic Reading Room). | ||
Sincerely, | Sincerely, | ||
/RA/ | |||
Donald B. Allen, Chief Project Branch E Division of Reactor Projects Docket Nos.: 50-313, 50-368 License Nos.: DPR-51, NPF-6 | Donald B. Allen, Chief Project Branch E Division of Reactor Projects Docket Nos.: 50-313, 50-368 License Nos.: DPR-51, NPF-6 | ||
==Enclosures:== | ==Enclosures:== | ||
: 1. Presentation Slides | : 1. Presentation Slides UNITED STATES NUCLEAR REGULATORY COMMISSION RE G IO N I V 1600 EAST LAMAR BLVD ARLINGTON, TEXAS 76011-4511 | ||
Electronic Distribution by RIV: | |||
Public Meeting Notice Site (PMNS.Resource@nrc.gov) | Public Meeting Notice Site (PMNS.Resource@nrc.gov) | ||
Regional Administrator (Art.Howell@nrc.gov) | Regional Administrator (Art.Howell@nrc.gov) | ||
| Line 59: | Line 57: | ||
Congressional Affairs Officer (Jenny.Weil@nrc.gov) | Congressional Affairs Officer (Jenny.Weil@nrc.gov) | ||
OEMail Resource ROPreports RIV/ETA: OEDO (Doug.Huyck@nrc.gov) | OEMail Resource ROPreports RIV/ETA: OEDO (Doug.Huyck@nrc.gov) | ||
File located: R:\_REACTORS\_ANO\2013\ANO AIT Exit Meeting Summary 5-9-13 ADAMS: ML13142A227 SUNSI Rev Compl. Yes | File located: R:\\_REACTORS\\_ANO\\2013\\ANO AIT Exit Meeting Summary 5-9-13 ADAMS: ML13142A227 SUNSI Rev Compl. | ||
Yes No ADAMS Yes No Reviewer Initials DSB Publicly Avail Yes No Sensitive Yes No Sens. Type Initials DSB RIV/SPE:DRP/E C: DRS/EB2 C:DRP/E RAzua GMiller DAllen | |||
5/15/13 | /RA/ | ||
/RA/ | |||
/RA/ | |||
5/15/13 5/16/13 5/21/13 OFFICIAL RECORD COPY T=Telephone E=E-mail F=Fax | |||
NRC Augmented Inspection Team Exit Meeting Arkansas Nuclear One Nuclear Regulatory Commission - Region IV Russellville, AR May 9, 2013 | Enclosure 1 | ||
NRC Augmented Inspection Team Exit Meeting Arkansas Nuclear One Nuclear Regulatory Commission - Region IV Russellville, AR May 9, 2013 2 | |||
Agenda | Agenda | ||
* Introduction | * Introduction | ||
| Line 71: | Line 73: | ||
* Licensee Comments | * Licensee Comments | ||
* NRC Closing Remarks | * NRC Closing Remarks | ||
* Question and Answer | * Question and Answer | ||
Augmented Inspection Team | 3 Augmented Inspection Team | ||
* Fact-finding inspection | * Fact-finding inspection | ||
* Identify issues for follow up inspection | * Identify issues for follow up inspection | ||
* Identify generic safety concerns | * Identify generic safety concerns 4 | ||
March 31 Dropped Stator Event | March 31 Dropped Stator Event | ||
* Unit 1 RFO Stator Replacement | * Unit 1 RFO Stator Replacement | ||
| Line 84: | Line 85: | ||
* Unit 2 Reactor Trip | * Unit 2 Reactor Trip | ||
* Partial Power Loss/Breaker Failure on Unit 2 | * Partial Power Loss/Breaker Failure on Unit 2 | ||
* Notice of Unusual Event | * Notice of Unusual Event | ||
Inspection Results | 5 Inspection Results | ||
* Reactor plant safety systems responded as designed | * Reactor plant safety systems responded as designed | ||
* Entergy took appropriate actions to recover plant equipment on Units 1 and 2 and has initiated an extensive root cause evaluation effort | * Entergy took appropriate actions to recover plant equipment on Units 1 and 2 and has initiated an extensive root cause evaluation effort 6 | ||
Summary of Charter Items | Summary of Charter Items | ||
* Event Chronology | * Event Chronology | ||
* Operator Response | * Operator Response | ||
- Control of Temporary Modification | |||
* Equipment Impact | * Equipment Impact | ||
- Structural Impact to Units 1 and 2 | |||
Summary of Charter Items | 7 Summary of Charter Items | ||
* Plant Response to the Event | * Plant Response to the Event | ||
- Control of Steam Generator Nozzle Dams | |||
- Main Feedwater Regulating Valve Maintenance | |||
- Flood Barrier Effectiveness | |||
* Compensatory Measures | * Compensatory Measures | ||
- Compensatory Actions for Fire Suppression | |||
* Event Classification and Reporting | * Event Classification and Reporting | ||
- Timeliness of Emergency Declaration 8 | |||
Summary of Charter Items | Summary of Charter Items | ||
* Heavy Lift Preparations | * Heavy Lift Preparations | ||
- Shutdown Reactor Equipment Risk | |||
- Implementation of Material Control Procedure | |||
* Status of Cause Evaluation Efforts | * Status of Cause Evaluation Efforts | ||
- Review of Causes/Corrective Actions | |||
* Operating Experience | * Operating Experience | ||
Licensee Response and Remarks 9 | Licensee Response and Remarks 9 | ||
Contacting the NRC | 10 Contacting the NRC | ||
* Report an emergency | * Report an emergency | ||
- (301) 816-5100 (call collect) | |||
* Report a safety concern | * Report a safety concern | ||
- (800) 695-7403 | |||
- Allegation@nrc.gov | |||
* General information or questions | * General information or questions | ||
- www.nrc.gov; Select What We Do for Public Affairs | |||
- Victor Dricks, (817) 200-1128 | |||
Electronic Distribution | Electronic Distribution | ||
* To receive a summary of this meeting and begin receiving other plant-specific e-mail distributions, subscribe to the Operating Reactor Correspondence electronic distribution via http://www.nrc.gov/public-involve/listserver/plants-by-region.html. | * To receive a summary of this meeting and begin receiving other plant-specific e-mail distributions, subscribe to the Operating Reactor Correspondence electronic distribution via http://www.nrc.gov/public-involve/listserver/plants-by-region.html. | ||
* To discontinue receiving electronic distribution, you may unsubscribe at any time by visiting the same web address above. | * To discontinue receiving electronic distribution, you may unsubscribe at any time by visiting the same web address above. | ||
11 | 11}} | ||
Latest revision as of 08:22, 11 January 2025
| ML13142A227 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 05/22/2013 |
| From: | Allen D NRC/RGN-IV/DRP |
| To: | Jeremy G. Browning Entergy Operations |
| References | |
| Download: ML13142A227 (8) | |
Text
May 22, 2013 Jeremy Browning, Site Vice President Arkansas Nuclear One Entergy Operations, Inc.
1448 SR 333 Russellville, AR 72802-0967
SUBJECT:
SUMMARY
OF PUBLIC MEETING TO DISCUSS RESULTS OF AUGMENTED INSPECTION AT ARKANSAS NUCLEAR ONE
Dear Mr. Browning:
On May 9, 2013, members of the NRC staff met with representatives of Arkansas Nuclear One, Units 1 and 2, in Russellville, AR, to discuss the results of the Augmented Inspection conducted at Arkansas Nuclear One. The Augmented Inspection Team was chartered to review the circumstances surrounding an industrial accident which caused a loss of offsite power to Unit 1 and an automatic shutdown of Unit 2 on March 31, 2013. A copy of the NRCs presentation is included as Enclosure 1.
In accordance with 10 CFR 2.390 of the NRCs Rules of Practice, a copy of this letter and its enclosure will be available electronically for public inspection in the NRCs Public Document Room or from the Publicly Available Records (PARS) component of the NRCs Agency-wide Documents Access and Management System (ADAMS). ADAMS is accessible from the NRC web site at http://www.nrc.gov/reading-rm/adams.html (The Public Electronic Reading Room).
Sincerely,
/RA/
Donald B. Allen, Chief Project Branch E Division of Reactor Projects Docket Nos.: 50-313, 50-368 License Nos.: DPR-51, NPF-6
Enclosures:
- 1. Presentation Slides UNITED STATES NUCLEAR REGULATORY COMMISSION RE G IO N I V 1600 EAST LAMAR BLVD ARLINGTON, TEXAS 76011-4511
Electronic Distribution by RIV:
Public Meeting Notice Site (PMNS.Resource@nrc.gov)
Regional Administrator (Art.Howell@nrc.gov)
Acting Deputy Regional Administrator (Robert.Lewis@nrc.gov)
DRP Director (Kriss.Kennedy@nrc.gov)
Acting DRP Deputy Director (Michael.Scott@nrc.gov)
DRS Director (Tom.Blount@nrc.gov)
Acting DRS Deputy Director (Jeff.Clark@nrc.gov)
Senior Resident Inspector (Alfred.Sanchez@nrc.gov)
Resident Inspector (William.Schaup@nrc.gov)
Resident Inspector (Abin.Fairbanks@nrc.gov)
Branch Chief, DRP/E (Don.Allen@nrc.gov)
Senior Project Engineer, DRP/E (Ray.Azua@nrc.gov)
Project Engineer (Jim.Melfi@nrc.gov)
Project Engineer (Dan.Bradley@nrc.gov)
Branch Chief, DRS/EB2 (Geoffrey.Miller@nrc.gov)
ANO Administrative Assistant (Gloria.Hatfield@nrc.gov)
Public Affairs Officer (Victor.Dricks@nrc.gov)
Public Affairs Officer (Lara.Uselding@nrc.gov)
Project Manager (Kaly.Kalyanam@nrc.gov)
Acting Branch Chief, DRS/TSB (Ray.Kellar@nrc.gov)
RITS Coordinator (Marisa.Herrera@nrc.gov)
Regional Counsel (Karla.Fuller@nrc.gov)
Congressional Affairs Officer (Jenny.Weil@nrc.gov)
OEMail Resource ROPreports RIV/ETA: OEDO (Doug.Huyck@nrc.gov)
File located: R:\\_REACTORS\\_ANO\\2013\\ANO AIT Exit Meeting Summary 5-9-13 ADAMS: ML13142A227 SUNSI Rev Compl.
Yes No ADAMS Yes No Reviewer Initials DSB Publicly Avail Yes No Sensitive Yes No Sens. Type Initials DSB RIV/SPE:DRP/E C: DRS/EB2 C:DRP/E RAzua GMiller DAllen
/RA/
/RA/
/RA/
5/15/13 5/16/13 5/21/13 OFFICIAL RECORD COPY T=Telephone E=E-mail F=Fax
Enclosure 1
NRC Augmented Inspection Team Exit Meeting Arkansas Nuclear One Nuclear Regulatory Commission - Region IV Russellville, AR May 9, 2013 2
Agenda
- Introduction
- Purpose of an AIT
- Event Description
- Inspection Results
- Licensee Comments
- NRC Closing Remarks
- Question and Answer
3 Augmented Inspection Team
- Fact-finding inspection
- Identify issues for follow up inspection
- Identify generic safety concerns 4
March 31 Dropped Stator Event
- Structural Failure of Lifting Rig
- Loss of Offsite Power to Unit 1
- Unit 2 Reactor Trip
- Partial Power Loss/Breaker Failure on Unit 2
- Notice of Unusual Event
5 Inspection Results
- Reactor plant safety systems responded as designed
- Entergy took appropriate actions to recover plant equipment on Units 1 and 2 and has initiated an extensive root cause evaluation effort 6
Summary of Charter Items
- Event Chronology
- Operator Response
- Control of Temporary Modification
- Equipment Impact
- Structural Impact to Units 1 and 2
7 Summary of Charter Items
- Plant Response to the Event
- Control of Steam Generator Nozzle Dams
- Main Feedwater Regulating Valve Maintenance
- Flood Barrier Effectiveness
- Compensatory Measures
- Compensatory Actions for Fire Suppression
- Event Classification and Reporting
- Timeliness of Emergency Declaration 8
Summary of Charter Items
- Heavy Lift Preparations
- Shutdown Reactor Equipment Risk
- Implementation of Material Control Procedure
- Status of Cause Evaluation Efforts
- Review of Causes/Corrective Actions
- Operating Experience
Licensee Response and Remarks 9
10 Contacting the NRC
- Report an emergency
- (301) 816-5100 (call collect)
- Report a safety concern
- (800) 695-7403
- Allegation@nrc.gov
- General information or questions
- www.nrc.gov; Select What We Do for Public Affairs
- Victor Dricks, (817) 200-1128
Electronic Distribution
- To receive a summary of this meeting and begin receiving other plant-specific e-mail distributions, subscribe to the Operating Reactor Correspondence electronic distribution via http://www.nrc.gov/public-involve/listserver/plants-by-region.html.
- To discontinue receiving electronic distribution, you may unsubscribe at any time by visiting the same web address above.
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