05000390/FIN-2018002-01

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v t e Finding
Title	Inadequate Procedure Results in Exceeding the Design Pressure of the RHR Piping
Description	A self-revealed Green NCV was identified when the licensee failed to consider potentially adverse system interactions when developing procedures affecting quality. Specifically, the licensee exposed Unit 1 residual heat removal system piping to higher than its design pressure while performing two evolutions simultaneously in accordance with associated procedures.

01
Site:	Watts Bar
Report	IR 05000390/2018002 Section 1R15
Date counted	Jun 30, 2018 (2018Q2)
Type:	NCV: Green
cornerstone	Mitigating Systems
Identified by:	Self-revealing
Inspection Procedure:	IP 71111.15
Inspectors (proximate)	J Nadel J Hamman W Satterfield J Jandovitz J Lizardi A Wilson P Braxton A Masters
Violation of:	10 CFR 50 Appendix B Criterion V
CCA	H.1, Resources
INPO aspect	LA.1
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v • d • e

Finding - Watts Bar - IR 05000390/2018002

1(1)2(2)3(7)4(0)6(0)10(3)11(0)12(1)13(0)50(1)301(0)410(1)411(0)40(0)

IR 05000390/2018002: 1 2

Finding List (Watts Bar) @ 2018Q2

CCA Matrix: 2018Q2

	Q	CCA	Title
05000391/FIN-2017004-03	2017Q4	H.5	Failure to Promptly Identify a Condition Adverse to Quality for a Boric Acid Leak on 2-SMV-68-548
05000390/FIN-2017004-02	2017Q4	H.5	Inadequate Procedure for Temporary Configuration Changes
05000390/FIN-2017004-01	2017Q4		Misapplication of Technical Specification Limiting Condition for Operation 3.0.6
05000390/FIN-2018010-01	2018Q1		Potential Failure to Request NRC Approval to Increase the OPT and OTT Response Times
05000390/FIN-2018010-02	2018Q1		Potential Failure to Perform a 50.59 Evaluation for Auxiliary Building and Containment Isolation
05000390/FIN-2018010-03	2018Q1		Potential Failure to Maintain Design Requirements of RTDs
05000390/FIN-2018001-01	2018Q1		Misapplication of Technical Specification Limiting Condition for Operation 3.0.6
05000390/FIN-2018002-01	2018Q2	H.1	Inadequate Procedure Results in Exceeding the Design Pressure of the RHR Piping
05000390/FIN-2018012-01	2018Q2		Potential Failure to Implement Reviews of Adverse Employment Actions in Accordance with Confirmatory Order, EA-09-009 and EA-09-203
05000390/FIN-2018410-01	2018Q2	H.12	Security

Self-Identified List (Watts Bar)

	Q	Title
05000390/FIN-2017004-04	2017Q4	Licensee-Identified Violation
05000390/FIN-2018002-02	2018Q2	Licensee-Identified Violation
05000390/FIN-2018050-01	2018Q2	Licensee-Identified Violation

[Watts Bar Findings full list]

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