05000249/FIN-2018012-01

Finding

Title

Failure to Ensure that Thermal Overload Relays are Sized Properly for Throttling Motor Operated Valves

Description

The team identified a finding having very-low significance and an associated Non-Cited Violation of Title 10 of the Code of Federal Regulations,Part 50, Appendix B, Criterion III, Design Control.Specifically, Dresden had not verified that thermal overload relays on Unit 3 safety-related motor operated valves 3-1301-3, 3-1501-21A & 21B, 3-1501-18A & 18B, 3-1501-38A & 38B, 3-3-2301-10, 3-1501-3A & 3B, were properly sized to support the design function of repetitive jogging and throttling the valves in response to design basis transients or accidents.

01
Site:	Dresden
Report	IR 05000249/2018012 Section 1R21
Date counted	Mar 31, 2018 (2018Q1)
Type:	NCV: Green
cornerstone	Mitigating Systems
Identified by:	NRC identified
Inspection Procedure:	IP 71111.21M
Inspectors (proximate)	J Benjamin A Dunlop D Betancourt A Dahbur V Petrella G Nicely C Baron M Jeffers
Violation of:	10 CFR 50 Appendix B Criterion III, Design Control
INPO aspect
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v • d • e

Finding - Dresden - IR 05000249/2018012

13(0)1(1)2(0)3(2)4(0)5(0)6(0)10(0)11(0)12(1)14(0)410(0)411(0)

IR 05000249/2018012: 1

Finding List (Dresden) @ 2018Q1

CCA Matrix: 2018Q1

	Q	CCA	Title
05000249/FIN-2017003-01	2017Q3		Granted Notice of Enforcement Discretion 173001: LCO 3.1.7 Required Action B.1 per TS 3.1.7, Standby Liquid Control System
05000237/FIN-2017004-01	2017Q4	H.9	Failure to Follow Procedure,Results in Non-Functional Fire Door
05000249/FIN-2018012-01	2018Q1		Failure to Ensure that Thermal Overload Relays are Sized Properly for Throttling Motor Operated Valves
05000237/FIN-2018001-01	2018Q1		Enforcement Action: EA18016: Unanalyzed Condition for Tornado Missiles

Self-Identified List (Dresden)

[Dresden Findings full list]

05000249/FIN-2018012-01

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