ML101100458

NRC Slides for Seabrook Annual Assessment Meeting, April 14, 2010

ML101100458
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Site:	Seabrook
Issue date:	04/20/2010
From:	Division Reactor Projects I
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U.S.NRC Seabrook United States Nuclear Commission Protecting People and the Environment A*pril 20, MEMO FOR THE NRC Slides for April 14,

U.S.NRC NRC Strategic Plan United States Nuclear Commission Protecting People 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

U.S.NRC United States Nuclear Regulatory Commission Protecting People and the Environment 2009 Assessment Summary 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.

I nspection Activities at United States Nuclear Commission Protecting People and the Environment Seabt"ook in 2009 " 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 Protecting People and the Environment Performance Indicator Inspection January 1 through December 31, " 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 United States Nuclear Commission Insoection 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 United Slates NucJea.f Commission Protecting People and the Environment Inadequate Design Control 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 United States Nuclear Regulatory Commission NRC Action Matrix Licensee l Regulatory 1\ Degraded Response , All Inputs a Cornerstor Fully Met, Response 1 or 2 White Inputs; Cornerstone Objectives Fully Met Cornerstone

\ 2 White or 1 Yellow Input; Cornerstone jectives Met wi j Moderate egradation in Safety Performance Multiple Multiple Inputs or 1 Input; Objectives Met Degradation Safety Protecting People and t-he Environment Unacceptable Performance Overall Unacceptable Performance; Plants not permitted to Operate wlin this Column; Unacceptable Margin to Safety

.. Increasing safety significance

.. Increasing NRC inspection efforts .. Increasing NRC/Licensee management involvement

.. Increasing regulatory actions 2010 Inspection U.S.NRC United States Nuclear Commission Protecting People atul the Environment for Seabrook Supplemental and Baseline Inspection 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 Response and Seabrook U.S.NRC United States Nuclear Regulatory Commission Protecting People and the Environment 2009 Assessment Summary "Seabrook was in the Regulatory Response column of the Action Matrix. " Baseline inspections are planned for " IP 95001 supplemental inspection is planned for the second quarter 2010.

U.S.NR C United States Nuclear Regulatory Commission Protecting People and the Environment Contacting the NRC 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 U.S.NRC United States Nuclear Commission Protecting People and the Envi1Onment Threshold Summary .. .. Performance Indicators (PI) Baseline Inspection " White Requires additional NRC oversight Requires more NRC oversight ill Red Requires most NRC oversight nspection Findings Very low safety issue " .. White Low to moderate safety issue Substantial safety issue " Red High safety issue I nspection Activities at United States Nuclear Regulatory Commission Protecting People and the Environment Seabrook in 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