ML101100458
| ML101100458 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 04/20/2010 |
| From: | Division Reactor Projects I |
| To: | |
| BURRITT al | |
| References | |
| Download: ML101100458 (17) | |
Text
Seabrook U.S.NRC United States Nuclear Commission Protecting People and the Environment A*pril 20, 2010 MEMO FOR THE FILE NRC Slides for AAM April 14, 2010
NRC Strategic Plan U.S.NRC United States Nuclear Commission ProtectingPeople and the Environment Goals
" Safety - Ensure adequate protection of public health and safety and the environment
" Security - Ensure adequate protection in the secure use and management of radioactive materials
Seabrook U.S.NRC United States Nuclear Regulatory Commission 2009 Assessment Summary Protecting People and the Environment
" NextEra operated Seabrook safely and in a manner that preserved the public health and safety and protected the environment .
.. Regulatory Response column of the Action Matrix .
.. Baseline inspections planned for 2010.
" IP 95001 supplemental inspection planned for second quarter.
Inspection Activities at U.S.NRC United States Nuclear Commission Seabt"ook in 2009 Protecting People and the Environment
" 5618 hours0.065 days <br />1.561 hours <br />0.00929 weeks <br />0.00214 months <br /> of inspection and related activities
.. 2 resident inspectors on site
.. 12 regional inspections
.. 1 team inspection
Seabrook U.S.NRC United States Nuclear Commission Performance Indicator and Protecting People and the Environment Inspection Results January 1 through December 31, 2009
" All Green Performance Indicators iii Identified 2 Green inspection findings
" Identified 1 White inspection finding - failure of the B EDG in February 2009
U.S.NRC Insoection United States Nuclear Commission Protecting People and the Environment Report 2009-07 B EDG failed to run during February 25, 2009 test EDG shutdown when cooling water gasket failed Gasket was modified during overhaul in January 2009 Gasket design was not of adequate material, thickness
& configuration
U.S.NRC Inadequate Design Control United Slates NucJea.f Commission Protecting People and the Environment Q suitability of gasket for flange conditions
.. flange performance history Q potential failure modes
" impacts of vibrations on flange performance Inadequate Corrective Actions NextEra did not adequately tj. use internal operating experience
" correct known flange vibrations
Theme: Design Control & U.S.NRC United States Nuclear Regulatory Commission Protecting People and the Environment Corrective Actions I<ey Point: EDG finding in the area of design control, with aspects of inadequate corrective actions Another finding in 2009, unrelated to the EDG, concerned inadequate design control for the failure to verify that service water isolation valve leakage was within design assumptions
U.S.NRC NRC Action Matrix United States Nuclear Regulatory Commission Protecting People and t-he Environment Licensee
Response
l Regulatory
Response
1\ Degraded Cornerstone Multiple Repetitive Unacceptable
, \
Degraded Cornerstone Performance All Inputs a e 1 or 2 White 2 White or 1 Multiple Yellow Overall Green; Inputs; Yellow Input; Inputs or 1 Red Unacceptable Cornerstor ~ Cornerstone Cornerstone Input; Cornerstone Performance; Objective~ Objectives O~ jectives Met wi Objectives Met wi Plants not Fully Met, Fully Met j Moderate Significant permitted to egradation in Degradation in Operate wlin this Safety Safety Performance Column; Performance Unacceptable Margin to Safety L--------,J
.. Increasing safety significance
.. Increasing NRC inspection efforts
.. Increasing NRC/Licensee management involvement
.. Increasing regulatory actions
2010 Inspection Plan ~- U.S.NRC United States Nuclear Commission for Seabrook Protecting People atul the Environment Supplemental and Baseline Inspection
'it Baseline inspections planned for 2010.
" IP 95001 supplemental inspection planned for the second quarter of 2010
U.S.NRC United States Nuclear Commission Protecting People ana the Environment NextEra Energy Seabrook Response and Remarks
Seabrook U.S.NRC United States Nuclear Regulatory Commission 2009 Assessment Summary Protecting People and the Environment "Seabrook was in the Regulatory Response column of the Action Matrix.
" Baseline inspections are planned for 2010.
" IP 95001 supplemental inspection is planned for the second quarter 2010.
~"\~ U.S.NRC United States Nuclear Regulatory Commission Contacting the NRC Protecting People and the Environment
- Report a safety concern:
- (800) 695-7403
- Allegation@nrc.gov
- General information or questions:
- Public Affairs Officers:
- Diane Screnci 610-337-5330
- Neil Sheehan 610-337-5331
NRC Significance U.S.NRC United States Nuclear Commission Threshold Summary Protecting People and the Envi1Onment Performance Indicators (PI)
. Baseline Inspection
" White Requires additional NRC oversight
. Requires more NRC oversight ill Red Requires most NRC oversight Inspection Findings
~ Very low safety issue
.. White Low to moderate safety issue Substantial safety issue
"" Red High safety issue
Inspection Activities at U.S.NRC United States Nuclear Regulatory Commission Seabrook in 2009 Protecting People and the Environment Baseline Inspection Performance Indicators (Pis) 5618 hrs inspection 16 Pis per operating unit 2 resident inspectors on site Significance Threshold Across the 7 Cornerstones 17 regional inspections Green Very low safety issue Inspector verified 1 major team inspection White Low to moderate safety issue Yellow Substantial safety issue Red High safety issue X-Cutting Themes 1 Greater-than-Green No Greater-than-Green None 2 Green / SL IV findings Performance Indicators Substantive X-cutting Issues Action Matrix None