ML19108A296

05-03-19 - Letter to the Honorable Thomas Carper and Sheldon Whitehouse from Chairman Svinicki Responds to Letter Requesting Information Regarding the Mitigation of Beyond-Design-Basis Events Rulemaking Attachment 2

ML19108A296
Person / Time
Issue date:	05/03/2019
From:	Kristine Svinicki NRC/Chairman
To:	Carper T, Whitehouse S US SEN, Comm on Environment & Public Works, US SEN, Subcomm on Clean Air & Nuclear Safety
R. Rihm, 415-1717
Shared Package
ML19091A187	List: ML19092A048 ML19108A293 ML19108A296 ML19126A111 ML19128A223
References
CORR-19-0039, LTR-19-0134
Download: ML19108A296 (2)

Text

Attachment 2 Duration of Facility Location Owner/Operator Weather Event Cause Date of Event Additional Information*

Impact 6 Electrical fault caused by high winds and/or Pilgrim Plymouth, MA Entergy Nuclear Operations Winter Storm 12/19/2008 ML090570049 3 days precipitation Ultimate Heat Sink (UHS)

St. Lucie 2 Jensen Beach, FL Florida Power & Light Greater than expected influx of debris into intake 4/1/2009 ML091600364 3 days Grassing Hancock's Bridge, Salem 2 PSEG Nuclear Cold/Icing Cooling water icing 1/3/2010 ML100640546 1 day NJ Calvert Cliffs 1 Lusby, MD Exelon Severe Weather Water intrusion 2/18/2010 ML101530461 10 days Calvert Cliffs 2 Lusby, MD Exelon Severe Weather Water intrusion 2/18/2010 ML101530461 10 days Palo Verde 1 Wintersburg, AZ Arizona Public Service Co. Severe Weather Water intrusion 3/7/2010 ML101330267 3 days Fermi 2 Newport, MI DTE Electric Company Tornado Loss of offsite power 6/6/2010 ML102230423 9 days LaSalle 1 1 Marseilles, IL Exelon UHS Temp Elevated heat sink temperature 8/12/2010 EN 46171 < 1 day LaSalle 2 2 Marseilles, IL Exelon UHS Temp Elevated heat sink temperature 8/12/2010 EN 46171 < 1 day Electrical fault caused by high winds and/or Turkey Point 3 Homestead, FL Florida Power & Light Severe Weather 9/23/2010 ML103340517 2 days precipitation Electrical fault caused by high winds and/or LaSalle 1 Marseilles, IL Exelon Winter Storm 2/1/2011 ML110890949 10 days precipitation Surry 1 Surry, VA Dominion Generation Tornado Loss of offsite power 4/16/2011 ML11178A032 6 days Surry 2 Surry, VA Dominion Generation Tornado Loss of offsite power 4/16/2011 ML11178A032 6 days Hancock's Bridge, Salem 1 PSEG Nuclear UHS Grassing Greater than expected influx of debris into intake 4/21/2011 ML11172A108 2 days NJ Limestone County, Browns Ferry 1 Tennessee Valley Authority Tornado Loss of offsite power 4/27/2011 ML11180A056 23 days AL Limestone County, Browns Ferry 2 Tennessee Valley Authority Tornado Loss of offsite power 4/27/2011 ML11180A056 27 days AL Limestone County, Browns Ferry 3 Tennessee Valley Authority Tornado Loss of offsite power 4/27/2011 ML11180A056 35 days AL Electrical fault caused by high winds and/or Prairie Island 2 Welch, MN Xcel Energy Severe Weather 5/9/2011 ML111810621 1 day precipitation Electrical fault caused by high winds and/or Calvert Cliffs 1 Lusby, MD Exelon Hurricane 8/27/2011 ML11297A113 4 days precipitation Millstone 2 Waterford, CT Dominion Generation UHS Temp Elevated heat sink temperature 8/12/2012 ML12285A229 11 days Waterford Killona, LA Entergy Nuclear Operations Hurricane Preemptive shutdown 8/29/2012 EN 48251 5 days Electrical fault caused by high winds and/or Indian Point 3 Buchanan, NY Entergy Nuclear Operations Hurricane 10/29/2012 ML13002A019 4 days precipitation Electrical fault caused by high winds and/or Nine Mile Point 1 Scriba, NY Exelon Hurricane 10/29/2012 ML13318A006 4 days precipitation Hancock's Bridge, Salem 1 PSEG Nuclear Hurricane Greater than expected influx of debris into intake 10/30/2012 ML13002A004 3 days NJ Electrical fault caused by high winds and/or Oyster Creek 3 Forked River, NJ Exelon Hurricane 10/29/2012 ML13190A465 1 day precipitation Electrical fault caused by high winds and/or Pilgrim Plymouth, MA Entergy Nuclear Operations Winter Storm 2/8/2013 ML13114A293 8 days precipitation First Energy Nuclear Operating Beaver Valley 1 Shippingport, PA Cold/Icing Cold weather impact on equipment 1/6/2014 ML14358A171 22 days Co.

Fort Calhoun Fort Calhoun, NE Omaha Public Power District Cold/Icing Cold weather impact on equipment 1/8/2014 ML14069A348 3 days Calvert Cliffs 1 Lusby, MD Exelon Winter Storm Water intrusion 1/21/2014 ML14080A309 4 days Calvert Cliffs 2 Lusby, MD Exelon Winter Storm Water intrusion 1/21/2014 ML14080A309 4 days Arkansas Nuclear One 2 London, AR Entergy Nuclear Operations Severe Weather Preemptive shutdown 4/27/2014 ML14177A307 17 days Indiana Michigan Power Donald C. Cook 1 Bridgman, MI Severe Weather Greater than expected influx of debris into intake 11/1/2014 ML14364A023 3 days Company Indiana Michigan Power Donald C. Cook 2 Bridgman, MI Severe Weather Greater than expected influx of debris into intake 11/1/2014 ML14364A023 5 days Company Electrical fault caused by high winds and/or Pilgrim Plymouth, MA Entergy Nuclear Operations Winter Storm 1/27/2015 ML15097A259 12 days precipitation Power Status for Pilgrim Plymouth, MA Entergy Nuclear Operations Winter Storm Preemptive shutdown 2/15/2015 3 days 02/15/2015

• Agencywide Documents Access and Management System documents (ADAMS ML numbers),

Event Notification Reports (EN numbers), and Power Reactor Status Reports are all available on the NRCs Web site.

Attachment 2 Duration of Facility Location Owner/Operator Weather Event Cause Date of Event Additional Information*

Impact 6 Electrical fault caused by high winds and/or Byron 1 Byron, IL Exelon Cold/Icing 3/3/2015 ML15121A035 6 days precipitation FitzPatrick Scriba, NY Entergy Nuclear Operations Cold/Icing Cooling water icing 1/23/2016 ML16083A504 7 days Brunswick 1 South Port, NC Duke Energy Severe Weather Water intrusion 2/7/2016 ML16104A391 6 days St. Lucie 2 Jensen Beach, FL Florida Power & Light Hurricane Preemptive shutdown 10/6/2016 EN 52280 8 days Electrical fault caused by high winds and/or H.B. Robinson Hartsville, SC Duke Energy Hurricane 10/8/2016 ML17054C345 3 days precipitation Surry 2 Surry, VA Dominion Generation Hurricane Water intrusion 10/9/2016 ML16350A101 4 days Power Status for Pilgrim Plymouth, MA Entergy Nuclear Operations Severe Weather Preemptive shutdown 2/9/2017 3 days 02/10/2017 Arkansas Nuclear One 1 London, AR Entergy Nuclear Operations Severe Weather High winds 4/26/2017 ML17177A314 22 days 4

Turkey Point 3 Homestead, FL Florida Power & Light Hurricane Water intrusion 9/10/2017 ML17311A666 7 days Turkey Point 4 5 Homestead, FL Florida Power & Light Hurricane Water intrusion 9/10/2017 ML17311A666 7 days Power Status for St. Lucie 1 Jensen Beach, FL Florida Power & Light Hurricane Preemptive shutdown 9/11/2017 1 day 09/12/2017 Electrical fault caused by high winds and/or Pilgrim Plymouth, MA Entergy Nuclear Operations Severe Weather 1/4/2018 ML18079A105 7 days precipitation Brunswick 1 South Port, NC Duke Energy Hurricane Preemptive shutdown 9/13/2018 EN 53609 7 days Brunswick 2 South Port, NC Duke Energy Hurricane Preemptive shutdown 9/13/2018 EN 53609 9 days Hancock's Bridge, Salem 1 PSEG Nuclear Cold/Icing Cooling water icing 1/31/2019 ML19091A260 3 days NJ Notes 1 - LaSalle 1 commenced a shutdown required by technical specifications.

UHS temperature lowered and allowed unit to cease shutdown.

2 - LaSalle 1 commenced a shutdown required by technical specifications.

UHS temperature lowered and allowed unit to cease shutdown.

3 - Oyster Creek was already shutdown since it was in a scheduled refueling outage during this event.

4 - Turkey Point 3 completed a preemptive shutdown.

5 - Turkey Point 4 was manually shutdown during the event.

6 - Time the plant was not at 100% power because of the weather event.

• Agencywide Documents Access and Management System documents (ADAMS ML numbers),

Event Notification Reports (EN numbers), and Power Reactor Status Reports are all available on the NRCs Web site.