05000259/FIN-2018002-03

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v t e Finding
Title	Failure to analyze for a Water Hammer event due to Spurious Operation of Residual Heat Removal Service Water (RHRSW) Valves during a Fire Event
Description	An Apparent Violation (AV) of 10 CFR 50.48(c)(3)(ii) was identified for the failure to perform a required analysis using the methodology in Chapter 2 of NFPA 805 for the RHRSW piping as a result of a postulated fire scenario.

03
Site:	Browns Ferry
Report	IR 05000259/2018002 Section 4OA3
Date counted	Jun 30, 2018 (2018Q2)
Type:	AV: TBD
cornerstone	Mitigating Systems
Identified by:	Licensee-identified
Inspection Procedure:	IP 71153
Inspectors (proximate)	T Stephen A Ruh M Kirk S Monarque N Hobbs S Sanchez C Fontana J Walker A Nielsen W Pursley A Masters
Violation of:	10 CFR 50.48
INPO aspect
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v • d • e

Finding - Browns Ferry - IR 05000259/2018002

1(4)3(2)4(0)6(0)10(1)11(0)12(1)50(0)301(0)410(0)411(0)412(1)413(0)440(0)2(1)

IR 05000259/2018002: 1 3 4

Finding List (Browns Ferry) @ 2018Q2

CCA Matrix: 2018Q2

	Q	CCA	Title
05000259/FIN-2017003-01	2017Q3	P.6	Degraded EDG Flood Door Seals
05000259/FIN-2017003-02	2017Q3	H.12	Failure to Maintain Intake Building Flood Barrier
05000296/FIN-2017004-02	2017Q4	H.13	Failure to Perform an IDO without delay for 3A EDG after Observing Indications of a Degraded Condition
05000260/FIN-2017004-01	2017Q4	P.2	Inadequate Determination of Operability for the HPCI System
05000296/FIN-2018001-04	2018Q1		Inadequate Configuration Control of High Pressure Coolant Injection (HPCI)ValveDesign Issues
05000259/FIN-2018001-01	2018Q1		Inadequate Post-Maintenance Testing of 4kV Breaker Stationary Switches
05000259/FIN-2018001-02	2018Q1		Unauthorized Entry into a High Radiation Area(HRA
05000259/FIN-2018001-03	2018Q1		Failure to Implement Controls for Locked High Radiation Area (LHRA) Access
05000259/FIN-2018002-01	2018Q2	P.3	HPCI System Over Pressurization due to Failure to Maintain Procedure
05000296/FIN-2018002-02	2018Q2		Inoperable Residual Heat Removal (RHR) Pump Results in Condition Prohibited by Technical Specifications
05000259/FIN-2018412-01	2018Q2	H.12	Security

Self-Identified List (Browns Ferry)

	Q	Title
05000259/FIN-2017004-03	2017Q4	Licensee-Identified Violation
05000259/FIN-2018002-03	2018Q2	Failure to analyze for a Water Hammer event due to Spurious Operation of Residual Heat Removal Service Water (RHRSW) Valves during a Fire Event
05000259/FIN-2018002-04	2018Q2	Licensee Identified Non-Cited Violation
05000259/FIN-2018010-01	2018Q2	Licensee-Identified Violation

[Browns Ferry Findings full list]

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