05000317/FIN-2009002-06: Difference between revisions

Finding

Title

Licensee-Identified Violation

Description

10 CFR Part 50.65(a)(4), Requirements for Monitoring the Effectiveness of Maintenance at Nuclear Power Plants, states, in part, Before performing maintenance activities (including but not limited to surveillance, post maintenance testing, and corrective and preventive maintenance), the licensee shall assess and manage the increase in risk that may result from the proposed maintenance activities. Contrary to this, on August 21, 2008, Constellation removed the Unit 2 motor driven AFW flow path trains to the No. 21 and No. 22 SGs without conducting an adequate risk assessment. Constellation entered this issue in their CAP as CR- 2009-000979. This finding is of very low safety significance based on a SDP Phase 1 screening utilizing IMC 0609, Appendix K, Maintenance Risk Assessment and Risk Management Significance Determination Process. Specifically, the incremental core damage probability deficit was less than 1E-6

06
Site:	Calvert Cliffs
Report	IR 05000317/2009002 Section 4OA7
Date counted	Mar 31, 2009 (2009Q1)
Type:	NCV: Green
cornerstone	Mitigating Systems
Identified by:	Licensee-identified
Inspection Procedure:
Inspectors (proximate)	O Ayegbiso M Halter D Silk M Davis C Cahill M Modes B Haagensen G Dentel S Kennedy H Balian N Perry R Rolph
INPO aspect
'
v • d • e

Finding - Calvert Cliffs - IR 05000317/2009002

1(0)2(6)3(4)4(2)5(5)6(4)7(1)402(0)403(2)502(0)503(0)16(0)

IR 05000317/2009002: 0 1 2 3 4 6

Finding List (Calvert Cliffs) @ 2009Q1

CCA Matrix: 2009Q1

	Q	CCA	Title
05000317/FIN-2008004-01	2008Q3	P.2	Failure to Identify and Correct a Degraded 12 CCHX SW Outlet Valve Positioner in a Timely Manner
05000317/FIN-2008004-02	2008Q3	P.5 P.2(b)	Failure to Establish and Maintain Adequate Procedures for 4 kV Circuit breaker Maintenance
05000317/FIN-2008005-02	2008Q4	P.3	Untimely Corrective Actions Associated with 480 Volt Power Supply Handswitch Disconnects
05000317/FIN-2008005-01	2008Q4		Inadequate Design Control Associated with the Auxiliary Feedwater Pump Room Temperature
05000317/FIN-2008502-01	2009Q1		Failure to maintain emergency plans (Section 1EP4)
05000317/FIN-2009002-01	2009Q1	H.11 H.12	Did Not Follow MSIV Actuator System Procedure
05000317/FIN-2009002-03	2009Q1	H.7	Did Not Comply with Technical Specification Requirements While Starting Reactor Coolant Pumps
05000317/FIN-2009002-00	2009Q1		Auxiliary Feedwater Pump Room Emergency Ventilation Low Flow
05000317/FIN-2009002-02	2009Q1	H.5	Inadequate Risk Assessment Associated with the No. 21 Charging Pump
05000317/FIN-2009002-04	2009Q1	H.5 H.8	Did Not Follow Radiation Protection Procedures

Self-Identified List (Calvert Cliffs)

	Q	Title
05000317/FIN-2008502-02	2009Q1	Licensee-Identified Violation
05000317/FIN-2009002-06	2009Q1	Licensee-Identified Violation

[Calvert Cliffs Findings full list]

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05000317/FIN-2009002-06: Difference between revisions

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