IR 05000400/2022001

Integrated Inspection Report 05000400/2022001

ML22119A085
Person / Time
Site:	Harris
Issue date:	05/04/2022
From:	Matthew Endress NRC/RGN-II/DRP/RPB4
To:	Maza K Duke Energy Progress
References
IR 2022001
Download: ML22119A085 (12)

Text

May 4, 2022

SUBJECT:

SHEARON HARRIS NUCLEAR POWER PLANT - INTEGRATED INSPECTION REPORT 05000400/2022001

Dear Ms. Maza:

On March 31, 2022, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection at Shearon Harris Nuclear Power Plant. On April 21, 2022, the NRC inspectors discussed the results of this inspection with you and other members of your staff. The results of this inspection are documented in the enclosed report.

No findings or violations of more than minor significance were identified during this inspection.

This letter, its enclosure, and your response (if any) will be made available for public inspection and copying at http://www.nrc.gov/reading-rm/adams.html and at the NRC Public Document Room in accordance with Title 10 of the Code of Federal Regulations 2.390, Public Inspections, Exemptions, Requests for Withholding.

Sincerely, Matthew F. Endress, Branch Chief Reactor Projects Branch 4 Division of Reactor Projects Docket No. 05000400 License No. NPF-63

Enclosure:

As stated

Inspection Report

Docket Number: 05000400 License Number: NPF-63 Report Number: 05000400/2022001 Enterprise Identifier: I-2022-001-0033 Licensee: Duke Energy Progress, LLC Facility: Shearon Harris Nuclear Power Plant Location: New Hill, NC 27562 Inspection Dates: January 1, 2022 to March 31, 2022 Inspectors: C. Smith, Resident Inspector J. Zeiler, Senior Resident Inspector Approved By: Matthew F. Endress, Branch Chief Reactor Projects Branch 4 Division of Reactor Projects Enclosure

SUMMARY

The U.S. Nuclear Regulatory Commission (NRC) continued monitoring the licensees performance by conducting an integrated inspection at Shearon Harris Nuclear Power Plant, in accordance with the Reactor Oversight Process. The Reactor Oversight Process is the NRCs program for overseeing the safe operation of commercial nuclear power reactors. Refer to https://www.nrc.gov/reactors/operating/oversight.html for more information.

List of Findings and Violations

No findings or violations of more than minor significance were identified.

Additional Tracking Items

None.

PLANT STATUS

Unit 1 operated at or near rated thermal power for the entire inspection period.

INSPECTION SCOPES

Inspections were conducted using the appropriate portions of the inspection procedures (IPs) in effect at the beginning of the inspection unless otherwise noted. Currently approved IPs with their attached revision histories are located on the public website at http://www.nrc.gov/reading-rm/doc-collections/insp-manual/inspection-procedure/index.html. Samples were declared complete when the IP requirements most appropriate to the inspection activity were met consistent with Inspection Manual Chapter (IMC) 2515, Light-Water Reactor Inspection Program - Operations Phase. The inspectors performed activities described in IMC 2515, Appendix D, Plant Status, conducted routine reviews using IP 71152, Problem Identification and Resolution, observed risk significant activities, and completed on-site portions of IPs. The inspectors reviewed selected procedures and records, observed activities, and interviewed personnel to assess licensee performance and compliance with Commission rules and regulations, license conditions, site procedures, and standards.

71111.04 - Equipment Alignment

Partial Walkdown Sample (IP Section 03.01) (4 Samples)

The inspectors evaluated system configurations during partial walkdowns of the following systems/trains:

(1) 'B' essential services chilled water (ESCW) system while 'A' ESCW was out of service for emergent issue with pre-rotation vane alignment on January 11, 2022

(2) 'B' emergency diesel generator (EDG) while 'A' EDG was out of service for scheduled maintenance on January 12, 2022

(3) 'B' residual heat removal (RHR) pump and associated flowpath while 'A' RHR pump was out of service for scheduled maintenance on January 19, 2022

(4) 'B' and 'C' charging and safety injection pumps (CSIPs) while 'A' CSIP was out of service for scheduled maintenance on February 8, 2022

71111.05 - Fire Protection

Fire Area Walkdown and Inspection Sample (IP Section 03.01) (5 Samples)

The inspectors evaluated the implementation of the fire protection program by conducting a walkdown and performing a review to verify program compliance, equipment functionality, material condition, and operational readiness of the following fire areas:

(1) 'B' EDG and fuel oil day tank rooms (fire zones 1-D-1-DGB-RM, 1-D-3-DGB-ES, 1-D-DTB, 1-D-1-DGB-ASU, and 1-D-1-DGB-ER) on January 12, 2022

(2) Reactor auxiliary building (RAB) 236' elevation 'A,' 'B,' and 'C' CSIP rooms (fire zones 1C-CSIP-SAB, 1-A-BAL-G, 1-A-BAL-H, and 1-A-3-PB) on February 8, 2022

(3) RAB 236' elevation corridor for component cooling water pumps (fire zone 1-A-3-PB/1-A-3-TA) on March 17, 2022

(4) RAB 261' elevation for 'A' and 'B' ESCW chiller areas (fire zone 1-A-4-CHLR) on March 25, 2022

(5) Fuel handling building (FHB) 286' elevation for spent fuel pool operating floor (fire zones 5-F-23-NFP1, 5-F-23-FTC1, 5-F-23-SFP1, 5-F-4-BAL, 5-F-23-SFP2, 5-F-23-NFP2, and 5-F-23-NF) on March 29, 2022

71111.06 - Flood Protection Measures

Inspection Activities - Internal Flooding (IP Section 03.01) (1 Sample)

The inspectors evaluated internal flooding mitigation protections in the:

(1) Cable vaults M71C and M71D that contain 'B' train safety-related cables associated with the emergency service water (ESW) system on January 4 and 5, 2022

71111.11Q - Licensed Operator Requalification Program and Licensed Operator Performance

Licensed Operator Performance in the Actual Plant/Main Control Room (IP Section 03.01) (1 Sample)

(1) The inspectors observed and evaluated licensed operator performance in the Control Room during a unit downpower to 88 percent power to conduct scheduled turbine generator valve testing on February 4, 2022

Licensed Operator Requalification Training/Examinations (IP Section 03.02) (1 Sample)

(1) The inspectors observed and evaluated a simulator scenario for operator training involving an anticipated transient without scram (ATWS) followed by a complete loss of heat sink on February 9, 2022

71111.12 - Maintenance Effectiveness

Maintenance Effectiveness (IP Section 03.01) (1 Sample)

The inspectors evaluated the effectiveness of maintenance to ensure the following structures, systems, and components (SSCs) remain capable of performing their intended function:

(1) 'A' CSIP speed increaser oil piping issue (Nuclear Condition Report (NCR) 02412354)on March 31, 2022

Quality Control (IP Section 03.02) (1 Sample)

The inspectors evaluated the effectiveness of maintenance and quality control activities to ensure the following SSC remains capable of performing its intended function:

(1) Review of commercial grade dedication of the current sensing input adjustable (CSIA)resistor under engineering change (EC) 401153 which prematurely actuated and caused abnormal operation of the 'B' ESCW chiller on December 13, 2021

71111.13 - Maintenance Risk Assessments and Emergent Work Control

Risk Assessment and Management Sample (IP Section 03.01) (5 Samples)

The inspectors evaluated the accuracy and completeness of risk assessments for the following planned and emergent work activities to ensure configuration changes and appropriate work controls were addressed:

(1) Elevated (Green) risk during emergent repairs to 'A' ESCW chiller on January 10-11, 2022

(2) Elevated (Green) risk during scheduled motor preventive maintenance of 'B' motor driven auxiliary feedwater (MDAFW) pump on January 24, 2022

(3) Elevated (Green) risk during scheduled motor operated valve calibration/testing of 1SW-130, ESW service water supply to the 'B' MDAFW pump, on February 3, 2022

(4) Elevated (Green) risk during scheduled reactor downpower to 88 percent power to conduct turbine generator valve testing on February 4, 2022

(5) Elevated (Green) risk during scheduled operational testing of the alternate seal injection (ASI) pump on March 14, 2022

71111.15 - Operability Determinations and Functionality Assessments

Operability Determination or Functionality Assessment (IP Section 03.01) (5 Samples)

The inspectors evaluated the licensee's justifications and actions associated with the following operability determinations and functionality assessments:

(1) Pressurizer level channel 3 (level transmitter LT-461) excessive deviation from other two channels LT-459 and LT-460 (NCR 02405450) on January 3, 2022

(2) 'A' ESCW chiller compressor pre-rotation vane misposition due to linkage slippage (NCR 02411360) on January 10, 2022

(3) Loose fan motor belts on 'A' train RHR and containment spray pump room air handling fan AH-5A (NCR 02413884) on January 29, 2022

(4) 'B' train core exit thermocouple indications reading incorrectly (NCR 02414373) on February 1, 2022

(5) Failure of main control board AC power supply to control room annunciators (NCR

===02415836) on February 13, 2022

71111.19 - Post-Maintenance Testing

Post-Maintenance Test Sample (IP Section 03.01) ===

The inspectors evaluated the following post-maintenance testing activities to verify system operability and/or functionality:

(1) Operations surveillance test (OST)-1020, Remote Shutdown Monitoring and Accident Monitoring Instrumentation Channel Check Monthly Interval Modes 1-3, following replacement of pressurizer level transmitter LT-461 on January 5, 2022

(2) Operations periodic test (OPT)-1512, Essential Chilled Water Turbopak Units Quarterly Inspection/Checks Modes 1-6, following emergent troubleshooting and repairs to 'A' ESCW chiller for pre-rotational vane malfunction on January 11, 2022

(3) Partial OST-1076, Auxiliary Feedwater Pump 1B-SB Operability Test Quarterly Interval Modes 1-4, following scheduled pump motor preventive maintenance on 'B' MDAFW pump on January 24, 2022

(4) Partial OST-1215, Emergency Service Water System Operability Train B Quarterly Interval Modes 1 2 3 4 5 6 Defueled, following scheduled motor operated valve preventive maintenance of valve 1SW-130 on February 3, 2022

(5) Partial OST-1007, CVCS/SI System Operability Train A Quarterly Interval Modes 1-4, following scheduled preventive maintenance on the 'A' CSIP on February 8, 2022

(6) OPT-1512, Essential Chilled Water Turbopak Units Quarterly Inspection/Checks Modes 1-6, following emergent repair of the 'A' ESCW following unexpected chiller trip on low refrigerant pressure on March 29, 2022

71111.22 - Surveillance Testing

The inspectors evaluated the following surveillance testing activities to verify system operability and/or functionality:

Surveillance Tests (other) (IP Section 03.01) (3 Samples)

(1) OST-1086, 1B-SB Diesel Generator Operability Test Semiannual Interval Modes 1-6, on January 26, 2022

(2) OPT-1014, Turbine Valve Test Modes 1-5, on February 4, 2022

(3) OST-1124, Train B 6.9 KV Emergency Bus Undervoltage Trip Actuating Device Operational Test and Contact Check Modes 1-6, on March 11, 2022

Inservice Testing (IP Section 03.01) (1 Sample)

(1) OST-1007, CVCS/SI System Operability Train A Quarterly Interval Modes 1-4, on March 21-22, 2022

71114.06 - Drill Evaluation

Select Emergency Preparedness Drills and/or Training for Observation (IP Section 03.01) (1 Sample)

(1) On February 24, 2022, the inspectors observed and evaluated a licensee quarterly emergency preparedness drill involving an ATWS followed by a faulted steam generator

OTHER ACTIVITIES - BASELINE

===71151 - Performance Indicator Verification The inspectors verified licensee performance indicators submittals listed below:

IE01: Unplanned Scrams per 7000 Critical Hours Sample (IP Section 02.01) ===

(1) Unit 1 (January 1, 2021 - December 31, 2021)

IE03: Unplanned Power Changes per 7000 Critical Hours Sample (IP Section 02.02) (1 Sample)

(1) Unit 1 (January 1, 2021 - December 31, 2021)

IE04: Unplanned Scrams with Complications (USwC) Sample (IP Section 02.03) (1 Sample)

(1) Unit 1 (January 1, 2021 - December 31, 2021)

71152A - Annual Follow-up Problem Identification and Resolution Annual Follow-up of Selected Issues (Section 03.03)

The inspectors reviewed the licensees implementation of its corrective action program related to the following issues:

(1) 'B' ESCW chiller discovered with high refrigerant pressure and chill water outlet temperature due to malfunction of the current sensing input adjustable resistor on December 13, 2021 (NCR 02408989)

INSPECTION RESULTS

No findings were identified.

EXIT MEETINGS AND DEBRIEFS

The inspectors verified no proprietary information was retained or documented in this report.

• On April 21, 2022, the inspectors presented the integrated inspection results to Kim Maza and other members of the licensee staff.

DOCUMENTS REVIEWED

Inspection Type Designation Description or Title Revision or

Procedure Date

71111.04 Drawings 5-S-1310 Simplified Flow Diagram Safety Injection System Rev 12

Procedures OP-107 Chemical and Volume Control System Rev. 120

OP-111 Residual Heal Removal System Rev. 63

OP-148 Essential Services Chilled Water System Rev. 84

OP-155 Diesel Generator Emergency Power System Rev. 92

71111.05 Fire Plans CSD-HNP-PFP- Fuel Handling Building Pre-Fire Plan Rev. 1

FHB

CSD-HNP-PFP- Reactor Auxiliary Bldg. Elevation 236 Pre-Fire Plan Rev. 2

RAB-236

CSD-HNP-PFP- Reactor Auxiliary Building Elevation 261 Pre-Fire Plan Rev. 2

RAB-261

Procedures AD-EG-ALL-1520 Transient Combustible Control Rev. 14

FPP-001 Fire Protection Program Manual Rev. 45

FPP-013 Fire Protection - Minimum Requirements, Mitigating Actions Rev. 111

and Surveillance Requirements

71111.06 Procedures AD-EG-ALL-1615 Cable Aging Management Program - Implementation Rev. 3

Work Orders WO 20367677 Inspect manhole and associated cables for M71C and M71D 1/4-5/2021

71111.11Q Miscellaneous Reactivity HNP1 02/2022 Turbine Valve Test Rev. 0

Manipulation Plan

Procedures AD-OP-ALL-1000 Conduct of Operations Rev. 18

AD-OP-HNP- HNP Time Critical Actions/Time Sensitive Actions Rev. 0

205

AD-OP-HNP- HNP Conduct of Abnormal Operations Rev. 1

1001

AOP-001 Malfunction of Rod Control and Indication System Rev. 57

AOP-033 Chemistry Out of Tolerance Rev. 34

EOP-FR-H.1 Response to Loss of Secondary Heat Sink Rev. 6

EOP-FR-S.1 Response to Nuclear Power Generation/ATWS Rev. 7

GP-006 Normal Plant Shutdown from Power Operation to Hot Rev. 97

Standby (Mode 1 to Mode 3)

OPT-1014 Turbine Valve Test Modes 1-5 Rev. 33

Inspection Type Designation Description or Title Revision or

Procedure Date

71111.12 Corrective Action 02412354 A CSIP speed increaser oil piping 01/18/2022

Documents NCR 02408989 'B' ESCW chiller operation with abnormally high refrigerant 12/13/2021

evaporator pressure and chilled water outlet temperature

Engineering EC 401153 Commercial grade dedication of replacement safety-related 1/7/2016

Changes current sensing input adjustable resistor for the ESCW

chillers

Procedures AD-EG-ALL-1011 Procurement Engineering Products Revs. 0-6

AD-EG-ALL-1210 Maintenance Rule Program Rev. 3

71111.13 Procedures AD-NF-ALL-0501 Electronic Risk Assessment Tool (ERAT) Rev. 6

AD-WC-ALL- On-Line Risk Management Rev. 20

200

AD-WC-ALL- On-Line Risk Management Process Rev. 3

240

AD-WC-ALL- Work Activity Integrated Risk Management Rev. 12

0410

Work Orders WO 20392120 'B' MDAFW pump motor preventive maintenance 1/24/2022

WO 20403356 MOV calibration and testing of valve 1SW-130 2/3/2022

WO 20512433 Troubleshoot/repair pre-rotational vanes associated with 'A' 1/12/2022

ESCW chiller

71111.15 Procedures AD-OP-ALL-0105 Operability Determinations Rev. 6

71111.19 Procedures PLP-400 Post Maintenance Testing Rev. 64

Work Orders WO 20392120 'B' MDAFW pump motor preventive maintenance 1/24/2022

WO 20403356 Motor operated valve calibration and testing of valve 1SW- 2/3/2022

130

WO 20505482 Replace pressurizer level transmitter LT-461 with excessive 1/5/2022

drift

WO 20512433 Troubleshoot/repair 'A' ESCW chiller pre-rotational vane 1/11/2022

malfunction

WO 20527985 'A' ESCW chiller trip due to low refrigerant pressure 3/29/2022

WOs 20265472, Pump, motor, and gear drive preventive maintenance 2/8/2022

20357958, activities associated with the 'A' CSIP

20405906,

20489737, and

20491760

Inspection Type Designation Description or Title Revision or

Procedure Date

71111.22 Corrective Action NCR 02419285 RWCU inlet isolation valve failed LLRT 3/9/2022

Documents

Work Orders WO 20525711 Troubleshooting RWCU inlet containment isolation valve 1- 3/9/2022

G31-F001 following LLRT failure

71114.06 Miscellaneous 22-02 HNP Harris Quarterly ERO Drill package Rev. 1 and 2

Quarterly ERO

Drill

Procedures AD-EP-ALL-0002 NRC Regulator Assessment Performance Indicator Rev. 6

Guidance EP Cornerstone

AD-EP-ALL-0100 Emergency Response Organization (ERO) Rev. 6

AD-EP-ALL-0101 Emergency Classification Rev. 3

AD-EP-ALL-0103 Activation and Operation of the Emergency Operations Rev. 5

Facility

AD-EP-ALL-0105 Activation and Operation of the Technical Support Center Rev. 7

AD-EP-ALL-0111 Control Room Activation of the ERO Rev. 4

AD-EP-ALL-0304 State and County Notification Rev. 6

EOP-E-0 Reactor Trip or Safety Injection Rev. 15

EOP-E-2 Faulted Steam Generator Isolation Rev. 3

EOP-E-3 Steam Generator Tube Rupture Rev. 7

EOP-FR-S.1 Response to Nuclear Power Generation/ATWS Rev. 7

EP-ALL-EPLAN Duke Energy Common Emergency Plan Rev. 1

PLP-201 Emergency Plan Rev. 76

71151 Miscellaneous Operator Log Entries between January 2021 - December

21

Procedures AD-PI-ALL-0700 Performance Indicators Rev. 5

71152A Corrective Action NCR 024006385 'B' ESCW chiller insufficient maximum ampere during 11/19/2021

Documents surveillance testing using OST-1512

Procedures AD-PI-ALL-0100 Corrective Action Program Rev. 26

AD-PI-ALL-0106 Cause Investigation Checklists Rev. 7

Work Orders WO 20508170 Replace CSIA resistor and hot gas bypass valve actuator on 12/17/2021

'B' ESCW chiller

10