05000277/FIN-2018010-02

Finding

Title

Failure to Develop and Maintain Mitigating Strategy

Description

The inspectors identified a Green non-cited violation of 10 CFR 50.54(hh)(2), Conditions of Licenses, and Peach Bottom Unit 2 and Unit 3 Renewed Facility Operating License Condition 2.C.(11), Mitigation Strategy License Condition, because Exelon did not develop and maintain strategies for addressing large fires and explosions that include operations to mitigate fuel damage. Specifically, Exelon did not adequately develop and maintain procedures to manually depressurize the reactor using the automatic depressurization system safety relief valves in the event of a challenge to the reactor due to a postulated large fire and/or explosion.

02
Site:	Peach Bottom
Report	IR 05000277/2018010 Section 1R05
Date counted	Jun 30, 2018 (2018Q2)
Type:	NCV: Green
cornerstone	Mitigating Systems
Identified by:	NRC identified
Inspection Procedure:	IP 71111.05
Inspectors (proximate)	C Bickett E Dipaolo P Ott J Patel C Cahill G Dentel
Violation of:	10 CFR 50.54(hh) License Condition
INPO aspect
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v • d • e

Finding - Peach Bottom - IR 05000277/2018010

1(0)1(1)2(1)3(3)4(0)5(0)6(0)10(3)11(0)12(0)13(0)410(1)501(0)

IR 05000277/2018010: 1 2 3

Finding List (Peach Bottom) @ 2018Q2

CCA Matrix: 2018Q2

	Q	CCA	Title
05000278/FIN-2017003-01	2017Q3		Instructions Not Followed for Replacement of HPSW Ventilation Switch Block
05000277/FIN-2017403-01	2017Q3	H.11	Security
05000277/FIN-2017403-02	2017Q3	H.12	Security
05000278/FIN-2018001-01	2018Q1		Untimely Corrective Actions to Address Primary Containment Isolation Valve Condition Adverse to Quality
05000277/FIN-2018002-01	2018Q2	P.1	Failure to Identify and Promptly Correct a Condition Adverse to Quality Concerning Battery Charger 2B-003-1
05000277/FIN-2018010-01	2018Q2	P.2	Failure to Identify Time-Critical Action
05000277/FIN-2018010-02	2018Q2		Failure to Develop and Maintain Mitigating Strategy

Self-Identified List (Peach Bottom)

	Q	Title
05000277/FIN-2017003-02	2017Q3	Licensee-Identified Violation
05000277/FIN-2018010-03	2018Q2	Licensee-Identified Violation

[Peach Bottom Findings full list]

05000277/FIN-2018010-02

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