05000321/FIN-2016008-01

Finding

Title

Failure to Adequately Qualify Modifications to Class 1E 4160V Buses

Description

The inspectors identified a non-cited violation of Title 10 Code of Federal Regulations (CFR) Part 50 Appendix B, Criterion III, Design Control, for the failure to verify adequate design and qualification of Class 1E buses in accordance with Institute for Electronics and Electrical Engineering (IEEE) 279-1971, Standard Criteria for Protection Systems for Nuclear Power Generating Stations. The licensee entered this issue into the licensees corrective action program as CR10240030. The licensee planned to correct the issue prior to installing new transformers. The performance deficiency was determined to be more than minor because if left uncorrected, it would have the potential to lead to a more significant safety concern. The finding determined to be of very low safety significance (Green) because the system, structure, or component maintained its operability or functionality. The finding was assigned a cross-cutting aspect of Training [H.9], in the Human Performance area because the organization did not provide training and ensure knowledge transfer to maintain a knowledgeable, technically competent workforce to adequately complete a modification of the Class 1E buses.

01
Site:	Hatch
Report	IR 05000321/2016008 Section 1R17
Date counted	Jun 30, 2016 (2016Q2)
Type:	NCV: Green
cornerstone	Mitigating Systems
Identified by:	NRC identified
Inspection Procedure:	IP 71111.17
Inspectors (proximate)	E Stamm J Bartley T Fanelli M Greenleaf
Violation of:	10 CFR 50 Appendix B 10 CFR 50 Appendix B Criterion III, Design Control
CCA	H.9, Training
INPO aspect	CL.4
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v • d • e

Finding - Hatch - IR 05000321/2016008

1(1)2(3)3(2)4(1)5(0)6(0)7(2)8(4)9(0)10(2)11(0)201(0)301(0)403(0)404(1)405(0)406(0)501(0)

IR 05000321/2016008: 1 2 3 4

Finding List (Hatch) @ 2016Q2

CCA Matrix: 2016Q2

	Q	CCA	Title
05000321/FIN-2015003-02	2015Q3		1A PSW Pump High Vibration Failure
05000321/FIN-2015003-01	2015Q3	H.2	Failure to Perform Adequate Surveillance on Fire Barriers and Penetration Seals
05000366/FIN-2015007-01	2015Q4		Failure to Perform Adequate Circuit Breaker As-Found Testing
05000366/FIN-2015007-02	2015Q4	P.2	Failure to Correct Nonconformances with Regulatory Guide 1.9-1971
05000321/FIN-2015007-03	2015Q4		Failure to Assure that Class 1E Components were Qualified for Design Temperatures
05000321/FIN-2015007-04	2015Q4		Failure to Verify Design Basis Timing Margins for Safety Related Motor Operated Valves
05000366/FIN-2015007-05	2015Q4		Failure to Classify RCIC Sub-components as Safety-Related
05000321/FIN-2016001-01	2016Q1		Reactor Coolant System N2E Weld Flaw
05000321/FIN-2016007-02	2016Q2		Passive Fire Protection
05000321/FIN-2016002-01	2016Q2	H.1	Failure to Implement Maintenance Procedure for Control Room Air Conditioning System
05000321/FIN-2016007-01	2016Q2	P.2	Failure to provide reasonable assurance that Appendix R time critical operator actions (TCOAs) can be completed in a timely manner
05000321/FIN-2016002-03	2016Q2		Performance of Operations with Potential to Drain the Reactor Vessel (OPDRV) Without Secondary Containment
05000321/FIN-2016008-04	2016Q2		Potential departure from protection system design basis
05000321/FIN-2016008-03	2016Q2	H.2	Failure to Control Qualification of Purchased 1E Components in Accordance to IEEE 323- 1974
05000321/FIN-2016008-02	2016Q2	P.2	Failure to identify a condition adverse to quality for Masterpact 600V breakers
05000321/FIN-2016008-01	2016Q2	H.9	Failure to Adequately Qualify Modifications to Class 1E 4160V Buses
05000321/FIN-2016010-02	2016Q2	H.11	Failure to Identify N2E Nozzle Weld Through-Wall Flaw
05000321/FIN-2016010-01	2016Q2		Inaccurate Information Provided Regarding N2E Nozzle Weld Overlay

Self-Identified List (Hatch)

	Q	Title
05000321/FIN-2015003-03	2015Q3	Licensee-Identified Violation
05000321/FIN-2016002-02	2016Q2	Licensee-Identified Violation

[Hatch Findings full list]

05000321/FIN-2016008-01

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