05000298/FIN-2017003-01

Finding

Title

Failure to Ensure Suitability of Materials for the Reactor Building Northeast Fan Coil Unit

Description

The inspectors reviewed a self-revealed, non-cited violation of 10 CFR Part 50, Appendix B, Criterion III, Design Control, for the licensees failure to assure that appropriate measures were established for the selection and review for suitability of application of materials, parts, equipment, and processes that were essential to the safety-related functions of a reactor building fan coil unit. Specifically, on March 9, 2016, the licensee installed a new coil for the reactor building northeast quad fan coil unit, but failed to assure the suitability of application of the materials, parts, and equipment associated with the new coil design in that the new component had measurably higher air resistance across the coil than the previous design. As a result, on August 1, 2017, the fan coil unit failed air flow surveillance testing during the next performance of the test, resulting in the fan coil unit being declared inoperable. Corrective actions to restore compliance included cooling coil cleaning activities, implementation of compensatory measures to restore operability, and generation of a work order to replace the degraded cooling coil. The licensee entered this deficiency into the corrective action program as Condition Report CR-CNS-2017-04701.The licensees failure to assure that the newly designed coil installed in the northeast quad fan coil unit was appropriately reviewed for suitability and adequacy was a performance deficiency. The performance deficiency was evaluated using Inspection Manual Chapter 0612, Appendix B, Issue Screening, dated September 7, 2012, and was associated with the Mitigating Systems Cornerstone. The performance deficiency was more than minor, and therefore a finding, because it was associated with the equipment performance attribute of the Mitigating Systems Cornerstone and adversely affected the cornerstone objective to ensure the availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences. Specifically, the performance deficiency resulted in the northeast quad fan coil unit being declared inoperable. Using Inspection Manual Chapter 0609, Appendix A, The Significance Determination Process (SDP) for Findings At-Power, dated June 19, 2012, the inspectors determined that the finding had very low safety significance (Green) because it: was not a design deficiency where the component maintained operability; did not represent a loss of system and/or function; did not represent an actual loss of function of at least a single train for longer than its technical specification allowed outage time; and did not result in the loss of a high safety-significant, nontechnical specification train. The finding had a cross-cutting aspect in the area of human performance associated with design margins, because the licensee failed to ensure that the organization operated and maintained equipment within design margins, and failed to ensure that these margins were carefully guarded and changed only through a systematic and rigorous process with special attention placed on maintaining safety-related equipment. Specifically, although the new fan coil units air flow immediately degraded from 7950 scfm to 7360 scfm after coil installation in 2016, which significantly degraded the margin to the minimum flow requirements, the licensee did not take action to address the degraded performance until it failed subsequent air flow testing [H.6].

01
Site:	Cooper
Report	IR 05000298/2017003 Section 1R15
Date counted	Sep 30, 2017 (2017Q3)
Type:	NCV: Green
cornerstone	Mitigating Systems
Identified by:	Self-revealing
Inspection Procedure:	IP 71111.15
Inspectors (proximate)	P Voss C Henderson C Young M Stafford C Jewett L Brookhart E Simpson J Kozal
Violation of:	10 CFR 50 Appendix B 10 CFR 50 Appendix B Criterion III, Design Control Technical Specification
CCA	H.6, Design Margins
INPO aspect	WP.2
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Finding - Cooper - IR 05000298/2017003

1(6)2(4)3(3)4(0)5(0)6(0)7(0)8(0)9(2)10(5)11(1)12(2)301(0)403(0)404(0)501(0)

IR 05000298/2017003: 1 2 3

Finding List (Cooper) @ 2017Q3

CCA Matrix: 2017Q3

	Q	CCA	Title
05000298/FIN-2016004-01	2016Q4	H.12	Failure to Maintain Reactor Vessel Assembly Procedure to Ensure Adequate Moisture Separator Shielding
05000298/FIN-2016004-03	2016Q4	H.1	Failure to Maintain Service Water Pump Maintenance Procedure
05000298/FIN-2016004-04	2016Q4		Failure to Maintain Main Steam System Operating Procedure
05000298/FIN-2016004-02	2016Q4	H.3	Failure of an Analysis to Demonstrate that Changes Did Not Reduce the Effectiveness of the Emergency Plan
05000298/FIN-2016403-01	2016Q4	H.13	Security
05000298/FIN-2017001-03	2017Q1	H.11	Failure to Identify a Condition Adverse to Quality
05000298/FIN-2017001-06	2017Q1	H.7	Failure to Install Correct Mechanical Stop and Verify Proper Operation
05000298/FIN-2017001-05	2017Q1	H.5	Loss of Shutdown Cooling due to Relay Maintenance
05000298/FIN-2017001-04	2017Q1	H.6	Failure to Address Nonconforming Pipe Thinning in Accordance with the ASME Code
05000298/FIN-2017001-02	2017Q1	P.2	Failure to Identify a Condition Adverse to Quality Associated with the 250 Vdc Electrical System
05000298/FIN-2017001-01	2017Q1	P.1	Failure to Maintain Alternate Shutdown Emergency Procedure
05000298/FIN-2017010-05	2017Q2		Failure to adopt appropriate procedures in accordance with 10 CFR Part 21
05000298/FIN-2017010-04	2017Q2	P.2	Failure to Monitor No. 2 Diesel Generator under 50.65(a)(1) due to Inadequate Maintenance Rule Evaluation
05000298/FIN-2017010-03	2017Q2	P.4	Programmatic Failure to Identify and Correct Adverse Trends
05000298/FIN-2017010-02	2017Q2	H.13	Failure to Perform Timely Operability Determinations
05000298/FIN-2017010-01	2017Q2	P.3	Failure to Assign Corrective Actions to Prevent Recurrence of High Pressure Coolant Injection Failure
05000298/FIN-2017009-02	2017Q2	H.1	Failure to Implement an Adequate Procedure for Equipment Control
05000298/FIN-2017009-01	2017Q2	H.11	Exceeding the Technical Specification A llowed Out of Service Time of the Division I RHR System
05000298/FIN-2017002-03	2017Q2	H.11	Loss of Control Room Ventilation Due to Improper Switch Manipulation
05000298/FIN-2017002-02	2017Q2	H.1	Loss of Control Room Ventilation Due to Ineffective Preventive Maintenance Strategy
05000298/FIN-2017002-01	2017Q2	H.5	Failure to Assess Operability of Technical Specification System Functions during Surveillance Testing
05000298/FIN-2017011-01	2017Q3	P.2	Emergency Transformer Bus Failure due to Inadequate Inspection and Testing Activities
05000298/FIN-2017003-01	2017Q3	H.6	Failure to Ensure Suitability of Materials for the Reactor Building Northeast Fan Coil Unit
05000298/FIN-2017003-02	2017Q3	H.7	Failure to Account for Instrument Uncertainty in Safety-Related Ventilation Surveillance Procedures
05000298/FIN-2017003-03	2017Q3	P.2	Loss of Control Room Ventilation Due to Inadequate Post-Maintenance Testing Activities

Self-Identified List (Cooper)

	Q	Title
05000298/FIN-2017002-04	2017Q2	Licensee-Identified Violation

[Cooper Findings full list]

05000298/FIN-2017003-01

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