05000390/FIN-2006007-01: Difference between revisions

Finding

Title

Failure to Implement and Maintain Shutdown Procedures Which Resulted in Pressurizer PORV Actuations.

Description

The inspectors identified a finding associated with TS 5.7.1.1 requirements for procedure adherence which resulted in pressurizer power-operated relief valve (PORV) actuations. The finding is unresolved pending significance determination assessment. The inspectors determined that procedural noncompliances had a credible impact on safety involving the challenge of reactor coolant system (RCS) integrity by PORV actuations and the challenge of RCS inventory through the loss of inventory via the open PORVs. The finding was more than minor because it impacted the Barrier Integrity Cornerstone objective to provide reasonable assurance that the RCS physical design barrier protects the public from radionuclide releases caused by accidents or events and the associated cornerstone attributes of human performance and procedure quality. The inspectors reviewed MC 0609, Appendix G, and determined that the finding required quantitative assessment consisting of a Phase 3 analysis because it affected the cold over-pressure mitigation or low temperature over-pressure system required by TS. The cause of the finding impacts the cross-cutting area of human performance. (Section 1R20.2)

01
Site:	Watts Bar
Report	IR 05000390/2006007 Section 1R20
Date counted	Mar 31, 2005 (2005Q1)
Type:	Violation: White
cornerstone	Barrier Integrity
Identified by:	NRC identified
Inspection Procedure:	IP 71111.2
Inspectors (proximate)	A Vargas _Mendez J Bartley J Kreh J Reece R Carrion S Cahill S Vias W Looc Evans J Bartley R Bernhard S Cahillr Pascarelli C Casto C Evan
INPO aspect
'
v • d • e

Finding - Watts Bar - IR 05000390/2006007

2(0)3(0)4(0)5(0)6(0)7(0)8(0)10(0)11(0)13(0)

IR 05000390/2006007: 1

Finding List (Watts Bar) @ 2005Q1

CCA Matrix: 2005Q1

	Q	CCA	Title
05000390/FIN-2004005-01	2004Q4		Failure to Provide Complete and Accurate Information to the NRC Which Impacted a Licensing Decision.
05000390/FIN-2006007-01	2005Q1		Failure to Implement and Maintain Shutdown Procedures Which Resulted in Pressurizer PORV Actuations.

Self-Identified List (Watts Bar)

[Watts Bar Findings full list]

@@ Line 1: / Line 1: @@
 {{finding
-| title = Failure To Implement And Maintain Shutdown Procedures Which Resulted In Pressurizer Porv Actuations.
+| title = Failure to Implement and Maintain Shutdown Procedures Which Resulted in Pressurizer PORV Actuations.
 | docket = 05000390, 05000391
 | inspection report = IR 05000390/2006007

05000390/FIN-2006007-01: Difference between revisions

Revision as of 19:44, 20 February 2018

Navigation menu

05000390/FIN-2006007-01: Difference between revisions

Revision as of 19:44, 20 February 2018

Navigation menu

Search