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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. | 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, | Sincerely, John L. Dixon, Jr., Chief Reactor Projects Branch D Division of Operating Reactor Safety Docket Nos. 05000528 and 05000529 and 05000530 License Nos. NPF-41 and NPF-51 and NPF-74 | ||
===Enclosure:=== | ===Enclosure:=== | ||
As stated | As stated | ||
==Inspection Report== | ==Inspection Report== | ||
Docket Numbers: 05000528, 05000529 and 05000530 License Numbers: NPF-41, NPF-51 and NPF-74 Report Numbers: 05000528/2023003, 05000529/2023003 and 05000530/2023003 Enterprise Identifier: I-2023-003-0008 Licensee: Arizona Public Service Facility: Palo Verde Nuclear Generating Station Location: Tonopah, AZ Inspection Dates: July 1, 2023 to September 30, 2023 Inspectors: L. Merker, Senior Resident Inspector E. Lantz, Resident Inspector N. Cuevas, Resident Inspector J. Dykert, Health Physicist Approved By: John L. Dixon, Jr., Chief Reactor Projects Branch D Division of Operating Reactor Safety Enclosure | Docket Numbers: 05000528, 05000529 and 05000530 | ||
License Numbers: NPF-41, NPF-51 and NPF-74 | |||
Report Numbers: 05000528/2023003, 05000529/2023003 and 05000530/2023003 | |||
Enterprise Identifier: I-2023-003-0008 | |||
Licensee: Arizona Public Service | |||
Facility: Palo Verde Nuclear Generating Station | |||
Location: Tonopah, AZ | |||
Inspection Dates: July 1, 2023 to September 30, 2023 | |||
Inspectors: L. Merker, Senior Resident Inspector E. Lantz, Resident Inspector N. Cuevas, Resident Inspector J. Dykert, Health Physicist | |||
Approved By: John L. Dixon, Jr., Chief Reactor Projects Branch D Division of Operating Reactor Safety | |||
Enclosure | |||
=SUMMARY= | =SUMMARY= | ||
| Line 40: | Line 60: | ||
===List of Findings and Violations=== | ===List of Findings and Violations=== | ||
No findings or violations of more than minor significance were identified. | No findings or violations of more than minor significance were identified. | ||
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==REACTOR SAFETY== | ==REACTOR SAFETY== | ||
==71111.01 - Adverse Weather Protection== | ==71111.01 - Adverse Weather Protection== | ||
===Impending Severe Weather Sample (IP Section 03.02) (1 Sample)=== | ===Impending Severe Weather Sample (IP Section 03.02) (1 Sample)=== | ||
: (1) The inspectors evaluated the adequacy of the overall preparations to protect risk- | : (1) The inspectors evaluated the adequacy of the overall preparations to protect risk-significant systems from impending monsoon thunderstorms, on August 18, 2023. | ||
==71111.04 - Equipment Alignment== | ==71111.04 - Equipment Alignment== | ||
===Partial Walkdown Sample (IP Section 03.01) (2 Samples)=== | ===Partial Walkdown Sample (IP Section 03.01) (2 Samples)=== | ||
The inspectors evaluated system configurations during partial walkdowns of the following systems/trains: | The inspectors evaluated system configurations during partial walkdowns of the following systems/trains: | ||
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==71111.05 - Fire Protection== | ==71111.05 - Fire Protection== | ||
===Fire Area Walkdown and Inspection Sample (IP Section 03.01) (5 Samples)=== | ===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: | 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: | ||
| Line 79: | Line 94: | ||
: (3) Units 1 and 3, class 1E 125 Vdc equipment rooms, fire zones 6A, 6B, 7A, and 7B, on August 22, 2023 | : (3) Units 1 and 3, class 1E 125 Vdc equipment rooms, fire zones 6A, 6B, 7A, and 7B, on August 22, 2023 | ||
: (4) Unit 2, auxiliary building west corridor, train A and B piping penetration rooms, fire zones 37A, 37C and 37D, on September 15, 2023 | : (4) Unit 2, auxiliary building west corridor, train A and B piping penetration rooms, fire zones 37A, 37C and 37D, on September 15, 2023 | ||
: (5) Unit 2, emergency diesel generator room train A, fire zone 21A, on | : (5) Unit 2, emergency diesel generator room train A, fire zone 21A, on September 27, 2023 | ||
=== | ===Fire Brigade Drill Performance Sample (IP Section 03.02) (1 Sample)=== | ||
: (1) The inspectors evaluated the onsite fire department training and performance during announced fire drills on July 21, 2023, and August 4, 2023. | : (1) The inspectors evaluated the onsite fire department training and performance during announced fire drills on July 21, 2023, and August 4, 2023. | ||
==71111.07A - Heat Exchanger/Sink Performance== | ==71111.07A - Heat Exchanger/Sink Performance== | ||
===Annual Review (IP Section 03.01) (1 Sample)=== | ===Annual Review (IP Section 03.01) (1 Sample)=== | ||
The inspectors evaluated readiness and performance of: | The inspectors evaluated readiness and performance of: | ||
| Line 91: | Line 105: | ||
==71111.11Q - Licensed Operator Requalification Program and Licensed Operator Performance== | ==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) | |||
The inspectors observed and evaluated licensed operator performance in the control room during the following activities: | The inspectors observed and evaluated licensed operator performance in the control room during the following activities: | ||
: (1) Unit 3, downpower to 12 percent power to take the main turbine generator offline and restore main turbine control valve 4 following replacement of shorted signal cable, on August 2, 2023 | : (1) Unit 3, downpower to 12 percent power to take the main turbine generator offline and restore main turbine control valve 4 following replacement of shorted signal cable, on August 2, 2023 | ||
===Licensed Operator Requalification Training/Examinations (IP Section 03.02) (1 Sample)=== | ===Licensed Operator Requalification Training/Examinations (IP Section 03.02) (1 Sample)=== | ||
: (1) The inspectors observed and evaluated licensed operator continued training | : (1) The inspectors observed and evaluated licensed operator continued training simulator exam activities, on August 24, 2023. | ||
==71111.12 - Maintenance Effectiveness== | ==71111.12 - Maintenance Effectiveness== | ||
===Maintenance Effectiveness (IP Section 03.01) (1 Sample)=== | ===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: | The inspectors evaluated the effectiveness of maintenance to ensure the following structures, systems, and components (SSCs) remain capable of performing their intended function: | ||
| Line 107: | Line 119: | ||
==71111.15 - Operability Determinations and Functionality Assessments== | ==71111.15 - Operability Determinations and Functionality Assessments== | ||
===Operability Determination or Functionality Assessment (IP Section 03.01) (5 Samples)=== | ===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: | The inspectors evaluated the licensee's justifications and actions associated with the following operability determinations and functionality assessments: | ||
| Line 115: | Line 126: | ||
: (4) Unit 1, containment spray train A valves SIA-HV-678, SIA-HV-684, and SIA-HV-687, operability determinations following a safety equipment inoperable status panel alarm, on September 8, 2023 | : (4) Unit 1, containment spray train A valves SIA-HV-678, SIA-HV-684, and SIA-HV-687, operability determinations following a safety equipment inoperable status panel alarm, on September 8, 2023 | ||
: (5) Unit 1, safety injection tank 2B level transmitter high pressure root valve operability determination due to excessive boric acid residue on packing gland, on September 29, 2023 | : (5) Unit 1, safety injection tank 2B level transmitter high pressure root valve operability determination due to excessive boric acid residue on packing gland, on September 29, 2023 | ||
==71111.24 - Testing and Maintenance of Equipment Important to Risk== | ==71111.24 - Testing and Maintenance of Equipment Important to Risk== | ||
The inspectors evaluated the following testing and maintenance activities to verify system operability and/or functionality: | |||
===Post-Maintenance Testing (PMT) (IP Section 03.01) (4 Samples)=== | |||
=== | |||
: (1) Unit 3, emergency diesel generator train B post-maintenance testing following maintenance outage, on July 31, 2023 | : (1) Unit 3, emergency diesel generator train B post-maintenance testing following maintenance outage, on July 31, 2023 | ||
: (2) Unit 2, main feedwater pump A post-maintenance testing following turbine governor pilot valve, linear variable differential transformer, and servo valve replacement, on July 31, 2023 | : (2) Unit 2, main feedwater pump A post-maintenance testing following turbine governor pilot valve, linear variable differential transformer, and servo valve replacement, on July 31, 2023 | ||
: (3) Unit 3, main turbine control valve 4 post-maintenance testing following replacement of shorted signal cable, on August 7, 2023 | : (3) Unit 3, main turbine control valve 4 post-maintenance testing following replacement of shorted signal cable, on August 7, 2023 | ||
: (4) Unit 3, charging pump E post-maintenance testing following maintenance outage, on | : (4) Unit 3, charging pump E post-maintenance testing following maintenance outage, on September 28, 2023 | ||
=== | ===Surveillance Testing (IP Section 03.01) (1 Sample)=== | ||
: (1) Unit 2, diesel generator fuel oil transfer pump A comprehensive pump test, on | : (1) Unit 2, diesel generator fuel oil transfer pump A comprehensive pump test, on September 29, 2023 | ||
=== | ===Inservice Testing (IST) (IP Section 03.01) (1 Sample)=== | ||
: (1) Unit 2, containment spray pump B inservice testing, on September 1, 2023 | : (1) Unit 2, containment spray pump B inservice testing, on September 1, 2023 | ||
===Diverse and Flexible Coping Strategies (FLEX) Testing (IP Section 03.02) (1 Sample)=== | ===Diverse and Flexible Coping Strategies (FLEX) Testing (IP Section 03.02) (1 Sample)=== | ||
: (1) Units 1, 2, and 3, and N+1 diverse and flexible coping strategies spent fuel pool | : (1) Units 1, 2, and 3, and N+1 diverse and flexible coping strategies spent fuel pool makeup pump testing, on September 22, 2023 | ||
==71114.06 - Drill Evaluation== | ==71114.06 - Drill Evaluation== | ||
Select Emergency Preparedness Drills and/or Training for Observation (IP Section 03.01) (1 Sample) | |||
Select Emergency Preparedness Drills and/or Training for Observation (IP Section 03.01) | |||
(1 Sample) | |||
: (1) The inspectors evaluated an emergency preparedness drill, on August 8, | : (1) The inspectors evaluated an emergency preparedness drill, on August 8, | ||
==OTHER ACTIVITIES - BASELINE== | ==OTHER ACTIVITIES - BASELINE== | ||
===71151 - Performance Indicator Verification | |||
The inspectors verified licensee performance indicators submittals listed below: | |||
MS06: Emergency AC Power Systems (IP Section 02.05)=== | |||
MS06: Emergency AC Power Systems (IP Section 02.05) === | |||
{{IP sample|IP=IP 71151|count=3}} | {{IP sample|IP=IP 71151|count=3}} | ||
: (1) Unit 1 (July 1, 2022, through June 30, 2023) | : (1) Unit 1 (July 1, 2022, through June 30, 2023) | ||
| Line 170: | Line 180: | ||
: (3) Unit 3 (July 1, 2022, through June 30, 2023) | : (3) Unit 3 (July 1, 2022, through June 30, 2023) | ||
===71152A - Annual Follow-up Problem Identification and Resolution Annual Follow-up of Selected Issues (Section 03.03) === | ===71152A - Annual Follow-up Problem Identification and Resolution Annual Follow-up of Selected Issues (Section 03.03)=== | ||
{{IP sample|IP=IP 71152|count=1}} | {{IP sample|IP=IP 71152|count=1}} | ||
The inspectors reviewed the licensees implementation of its corrective action program related to the following issue: | The inspectors reviewed the licensees implementation of its corrective action program related to the following issue: | ||
: (1) Units 1, 2, and 3, review of actions associated with removal of fire hoses from plant fire hose stations, on September 28, 2023 | : (1) Units 1, 2, and 3, review of actions associated with removal of fire hoses from plant fire hose stations, on September 28, 2023 | ||
===71153 - Follow Up of Events and Notices of Enforcement Discretion Personnel Performance (IP section 03.03) === | ===71153 - Follow Up of Events and Notices of Enforcement Discretion Personnel Performance (IP section 03.03)=== | ||
{{IP sample|IP=IP 71153|count=1}} | {{IP sample|IP=IP 71153|count=1}} | ||
: (1) The inspectors evaluated the Unit 3 partial load reject to 87 percent power due to main turbine control valve number 4 going closed at full power and the licensees response, on July 18, 2023. | : (1) The inspectors evaluated the Unit 3 partial load reject to 87 percent power due to main turbine control valve number 4 going closed at full power and the licensees response, on July 18, 2023. | ||
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=DOCUMENTS REVIEWED= | =DOCUMENTS REVIEWED= | ||
Inspection Type | Inspection Type Designation Description or Title Revision or | ||
Procedure | Procedure Date | ||
71111.01 | 71111.01 Miscellaneous 5240822 Potential Tornado Borne Missile Permit | ||
71111.01 | 71111.01 Miscellaneous 5372141 Potential Tornado Borne Missile Permit | ||
71111.01 | 71111.01 Miscellaneous 5496757 Potential Tornado Borne Missile Permit | ||
71111.01 | 71111.01 Miscellaneous 5530394 Potential Tornado Borne Missile Permit | ||
71111.01 | 71111.01 Miscellaneous 5537602 Potential Tornado Borne Missile Permit | ||
71111.01 | 71111.01 Procedures 01DP-0XX01 Control and Monitoring of Potential Tornado Borne Missiles6 | ||
71111.01 | 71111.01 Procedures 40AO-9ZZ21 Acts Of Nature 39 | ||
71111.04 | 71111.04 Corrective Action 22-00873, 22-05781, 22-13489, 22-13612, 23-04893, 23- | ||
Documents | Documents 07107 | ||
71111.04 | 71111.04 Drawings 02-M-DFP-001 P & I Diagram Diesel Fuel Oil & Transfer System 12 | ||
71111.04 | 71111.04 Drawings 02-M-DGP-001 P & I Diagram Diesel Generator System 64 | ||
71111.04 | 71111.04 Drawings 03-M-CHP-002 P and I Diagram Chemical and Volume Control System 57 | ||
71111.04 | 71111.04 Miscellaneous TD #: 296625, 2PDGNV255**VALVEX - Air Dryer Drain 05/03/2023 | ||
Solenoid Isolation Valve | Solenoid Isolation Valve | ||
71111.04 | 71111.04 Miscellaneous PVNGS DBM - Chemical and Volume Control System 26 | ||
71111.04 | 71111.04 Procedures 40OP-9CH01 CVCS Normal Operations 81 | ||
71111.04 | 71111.04 Procedures 40OP-9DF01 Diesel Fuel Oil Storage and Transfer (DF) 45 | ||
71111.04 | 71111.04 Procedures 40OP-9DG02 Emergency Diesel Generator B 80 | ||
71111.04 | 71111.04 Procedures 40OP-9SP02 Essential Spray Pond (SP) B 58 | ||
71111.04 | 71111.04 Work Orders 5448137, 5448135 | ||
71111.05 | 71111.05 Calculations 13-MC-FP-0809 Combustible Loads - Auxiliary Building 13 | ||
71111.05 | 71111.05 Corrective Action 23-05960, 23-08139, 23-07964, 23-00968, 23-05379, 23- | ||
Documents | Documents 05988, 23-06634, 23-06653, 23-06654, 23-06701, 23-06999, | ||
23-08009, 23-08261, 23-08742, 23-09000, 23-00675, 23- | 23-08009, 23-08261, 23-08742, 23-09000, 23-00675, 23- | ||
2690, 23-02692 | 2690, 23-02692 | ||
71111.05 | 71111.05 Fire Plans Pre-fire Strategies Manual 30 | ||
71111.05 | 71111.05 Miscellaneous Critique Letter from Darrin Green, Battalion Chief - Threat 06/24/2021 | ||
Liaison Officer, Goodyear Fire Department, to Scott Martin, | Liaison Officer, Goodyear Fire Department, to Scott Martin, | ||
Training Officer, Palo Verde Nuclear Generating Station | Training Officer, Palo Verde Nuclear Generating Station | ||
71111.05 | 71111.05 Miscellaneous 5563638 Open Door Permit | ||
71111.05 | 71111.05 Miscellaneous NPL41-D-2Q1B-Palo Verde Nuclear Fire Department Fire Drill: Unit 1 B 05/17/2023 | ||
Inspection Type | |||
Procedure | Inspection Type Designation Description or Title Revision or | ||
Procedure Date | |||
Shift Drill Scenario | Shift Drill Scenario | ||
71111.05 | 71111.05 Miscellaneous NPL41-D-2Q1B-Palo Verde Nuclear Fire Department Fire Drill: Unit 1 B 07/12/2023 | ||
Shift Summary/After Action Review Report for Regulatory | Shift Summary/After Action Review Report for Regulatory | ||
Fire Drill | Fire Drill | ||
71111.05 | 71111.05 Miscellaneous NPL41-D-2Q2C-Palo Verde Nuclear Fire Department Fire Drill: Unit 3 C 07/12/2023 | ||
Shift Summary/After Action Review Report for Regulatory | Shift Summary/After Action Review Report for Regulatory | ||
Fire Drill | Fire Drill | ||
71111.05 | 71111.05 Miscellaneous NPL41-D-2Q3A-Palo Verde Nuclear Fire Department Fire Drill: Unit 3 A 06/20/2023 | ||
Shift Drill Scenario | Shift Drill Scenario | ||
71111.05 | 71111.05 Miscellaneous NPL41-D-2Q3A-Palo Verde Nuclear Fire Department Fire Drill: Unit 3 A 07/06/2023 | ||
Shift Summary/After Action Review Report for Regulatory | Shift Summary/After Action Review Report for Regulatory | ||
Fire Drill | Fire Drill | ||
71111.05 | 71111.05 Miscellaneous NPL41-D-3Q1A-Palo Verde Nuclear Fire Department Fire Drill: Unit 1 A 07/20/2023 | ||
Shift Drill Scenario | Shift Drill Scenario | ||
71111.05 | 71111.05 Miscellaneous NPL41-D-3Q1A-Palo Verde Nuclear Fire Department Fire Drill: Unit 1 A 08/23/2023 | ||
Shift Summary/After Action Review Report for Regulatory | Shift Summary/After Action Review Report for Regulatory | ||
Fire Drill | Fire Drill | ||
71111.05 | 71111.05 Miscellaneous NPL41-D-3Q2B-Palo Verde Nuclear Fire Department Fire Drill: Unit 2 B 08/03/2023 | ||
Shift Drill Scenario | Shift Drill Scenario | ||
71111.05 | 71111.05 Miscellaneous NPL41-D-3Q2B-Palo Verde Nuclear Fire Department Fire Drill: Unit 2 B 08/29/2023 | ||
Shift Summary/After Action Review Report for Regulatory | Shift Summary/After Action Review Report for Regulatory | ||
Fire Drill | Fire Drill | ||
71111.05 | 71111.05 Procedures 14DP-0FP01 Firewatch Requirements 14 | ||
71111.05 | 71111.05 Procedures 14DP-0FP32 Emergency Notification and Response 38 | ||
71111.05 | 71111.05 Procedures 14DP-0FP33 Control of Transient Combustibles 33 | ||
71111.05 | 71111.05 Procedures 14FT-9FP61 Semi-Annual Operational Test of Appendix R and Appendix 20 | ||
A Fire Door Closers | A Fire Door Closers | ||
71111.05 | 71111.05 Procedures 18FT-9FP38 Functional Test of Appendix R Fire/HELB Doors 1 | ||
71111.05 | 71111.05 Procedures 18FT-9FP39 Functional Test of Appendix A Fire/HELB Doors 0 | ||
71111.05 | 71111.05 Procedures 40AO-9ZZ27 Significant Turbine Building Oil System Leaks 0 | ||
71111.05 | 71111.05 Procedures 40DP-9ZZ17 Control of Doors, Hatches and Floor Plugs 69 | ||
71111.05 | 71111.05 Procedures 40DP-9ZZ19 Operational Considerations Due to Plant Fire 37 | ||
71111.05 | 71111.05 Procedures 40OP-9HJ02 Control Building HVAC (Smoke Removal) 6 | ||
71111.05 | 71111.05 Work Orders 5535529, 5501387 | ||
Inspection Type | |||
Procedure | Inspection Type Designation Description or Title Revision or | ||
71111.07A | Procedure Date | ||
71111.07A Corrective Action 23-06257, 22-08195, 22-07864 | |||
Documents | Documents | ||
71111.07A | 71111.07A Miscellaneous 23-0620 U3 DGB Jacket Water Eddy Current Examination Report | ||
71111.07A | 71111.07A Procedures 73DP-9ZZ21 Heat Exchanger Visual Inspection 8 | ||
71111.07A | 71111.07A Work Orders 5398352, 5298385, 5398411, 5396107, 5398303, 5398421, | ||
27973 | 27973 | ||
71111.11Q Corrective Action | 71111.11Q Corrective Action 13-01173, 22-12690, 23-07440, 23-07500, 23-07719, 23- | ||
Documents | Documents 07771, 23-07823, 23-07865, 23-07874, 23-08727 | ||
71111.11Q Miscellaneous | 71111.11Q Miscellaneous Specific Maneuver Plan: 258 [Effective Full Power Days] 0 | ||
Downpower Unit 3 Cycle 24 | Downpower Unit 3 Cycle 24 | ||
71111.11Q Miscellaneous | 71111.11Q Miscellaneous Adverse Condition Monitoring Plan: Unit 3 A Circulating 0 | ||
Water Pump/Motor Vibrations | Water Pump/Motor Vibrations | ||
71111.11Q Miscellaneous | 71111.11Q Miscellaneous Operator Logs: Unit 3 August 1-2, 2023 08/07/2023 | ||
71111.11Q Miscellaneous | 71111.11Q Miscellaneous SES-0-09-A-03 Licensed Operator Continued Training Simulator Exam 07/13/2023 | ||
Scenario | Scenario | ||
71111.11Q Procedures | 71111.11Q Procedures 40DP-9OP02 Conduct of Operations 77 | ||
71111.12 | 71111.12 Corrective Action 21-13093, 21-15262, 23-03918, 23-03885, 23-04848 | ||
Documents | Documents | ||
71111.12 | 71111.12 Miscellaneous Unit 2 EC PMG Unavailability Criteria Status 08/23/2023 | ||
71111.12 | 71111.12 Miscellaneous Performance Monitoring Group, Essential Chilled Water 06/27/2023 | ||
Train A Unit 2 | Train A Unit 2 | ||
71111.12 | 71111.12 Miscellaneous 13-NS-C025 Risk Informed Performance Criteria 9 | ||
71111.12 | 71111.12 Miscellaneous EVT-EC-2021-Maintenance Rule Event | ||
2254 | 2254 | ||
71111.12 | 71111.12 Miscellaneous EVT-EC-2021-Maintenance Rule Event | ||
414689 | 414689 | ||
71111.12 | 71111.12 Miscellaneous EVT-EC-2023-Maintenance Rule Event | ||
438568 | 438568 | ||
71111.12 | 71111.12 Miscellaneous EVT-EC-2023-Maintenance Rule Event | ||
2921 | 2921 | ||
71111.12 | 71111.12 Miscellaneous MR 2.0 Performance Monitoring Bases Document Worksheet - 0 | ||
Essential Chilled Water (HVAC) | Essential Chilled Water (HVAC) | ||
71111.12 | 71111.12 Procedures 70DP-0MR01 Maintenance Rule 49 | ||
71111.12 | 71111.12 Procedures 70DP-0MR02 Maintenance Rule Monitoring Process 0 | ||
Inspection Type | |||
Procedure | Inspection Type Designation Description or Title Revision or | ||
71111.12 | Procedure Date | ||
71111.15 | 71111.12 Work Orders 5080139 | ||
71111.15 | 71111.15 Calculations 13-MC-FP-0315 10CFR50 Appendix R Safe Shutdown Equipment List 15 | ||
Documents | 71111.15 Corrective Action 23-05270, 22-09417, 23-02470, 23-03944, 23-04749, 23- | ||
Documents 05749, 23-07187, 23-09098, 23-09164, 23-05220, 23-05749, | |||
23-05751, 23-09598 | 23-05751, 23-09598 | ||
71111.15 | 71111.15 Drawings 01-E-SIB-0024 Elementary Diagram Safety Injection - Shutdown [Cooling] 9 | ||
System containment Spray Isolation Valve 1J-SIA-HV-687 | System containment Spray Isolation Valve 1J-SIA-HV-687 | ||
71111.15 | 71111.15 Drawings 01-E-SIB-0024 Elementary Diagram Safety Injection - Shutdown [Cooling] 10 | ||
System containment Spray Isolation Valve 1J-SIA-HV-687 | System containment Spray Isolation Valve 1J-SIA-HV-687 | ||
71111.15 | 71111.15 Drawings 13-E-ZAC-050 Conduit & Tray Notes, Symbols & Details 43 | ||
71111.15 | 71111.15 Drawings 13-M-FPR-005 Appendix R Safety Function Diagram Chemical & Volume 4 | ||
Control System | Control System | ||
71111.15 | 71111.15 Drawings 13-N001-1104-SI-657, SI-658, SI-673, SI-675, SI 678, SI-679 Wiring 9 | ||
271 | 271 Diagram | ||
71111.15 | 71111.15 Drawings 13-Q-ZZP-001 EQ Configuration Drawing Limitorque Valve Actuator 1 | ||
71111.15 | 71111.15 Drawings N001-1104-Y-Type Globe Valve Stainless Steel, Socket Weld, Cres, 13 | ||
00015 | 00015 Size: 1 Class: 1586 LB | ||
71111.15 | 71111.15 Miscellaneous System Training Manual: Volume 40 Safety Injection System 4 | ||
(SI) | |||
71111.15 | 71111.15 Miscellaneous System Training Manual: Safety Equipment Status System 4 | ||
(ES) | |||
71111.15 | 71111.15 Miscellaneous Design Basis Manual: Plant Annunciator / Safety Equipment 4 | ||
Status System | Status System | ||
71111.15 | 71111.15 Miscellaneous CH and XO Maintenance Rule Scoping Diagram 02/12/2013 | ||
71111.15 | 71111.15 Miscellaneous 13-VTD-N383-BW/IP Operation and Maintenance Manual for Manual and 3 | ||
00019 | 00019 Motor Operated 1, 1-1/2 and 2 High Pressure Globe | ||
Valves [PUB. #OMM2016] | Valves [PUB. #OMM2016] | ||
71111.15 | 71111.15 Miscellaneous CH DBM Chemical and Volume Control system Design Basis Manual 26 | ||
71111.15 | 71111.15 Miscellaneous EEQ-L200-001 Electrical Equipment Qualification Data File 27 | ||
71111.15 | 71111.15 Miscellaneous RSS-01-1360 Breaker Setting Sheet for Class 1E, 480V MCC 1-E-PHA- 0 | ||
M37 Cubicle 11 for Valve J-SIA-HV-687 (1.6hp) | M37 Cubicle 11 for Valve J-SIA-HV-687 (1.6hp) | ||
71111.15 | 71111.15 Miscellaneous SB Reactor Protection System DBM 18 | ||
71111.15 | 71111.15 Miscellaneous VTD-C490-00001 Combustion Engineering Technical Manual for Limitorque | ||
Corporation Motor Operated Valve Actuators | Corporation Motor Operated Valve Actuators | ||
Inspection Type | |||
Procedure | Inspection Type Designation Description or Title Revision or | ||
Procedure Date | |||
71111.15 | [PUB.#976F[83Y3]BH] | ||
71111.15 | 71111.15 Procedures Molded Case Circuit Breaker Test 53 | ||
71111.15 | 71111.15 Procedures 01DP-0AP12-01 Condition Reporting Process Administrative Guideline 20 | ||
71111.15 | 71111.15 Procedures 32MT-9ZZ74 Molded Case Circuit Breaker Test 53 | ||
71111.15 Procedures 36ST-9SB32 PPS Input Loop Calibration for Parameter 20, LO RWT 27 | |||
LEVEL | LEVEL | ||
71111.15 | 71111.15 Procedures 40DP-9OP26 Operations Operability Determination Process 48 | ||
71111.15 | 71111.15 Procedures 40DP-9OP26-01 Operations Operability Determination Process Administrative 0 | ||
Guideline | Guideline | ||
71111.15 | 71111.15 Procedures 40ST-9CH02 Boron Injection Flow Test 19 | ||
71111.15 | 71111.15 Procedures 70TI-9ZC01 Boric Acid Walkdown Leak Detection 27 | ||
71111.15 | 71111.15 Procedures 73ST-9CH02 Charging Pumps - Comprehensive Test 15 | ||
71111.15 | 71111.15 Work Orders 5362779, 5379047, 5561932, 5538035 | ||
71111.24 | 71111.24 Corrective Action 23-05431, 23-05432, 23-05983, 23-05990, 23-05997, 23- | ||
Documents | Documents 06003, 23-06018, 23-06125, 23-06128, 23-07440, 23-07520, | ||
23-09026, 23-09028, 23-09030, 23-09031, 23-08672, 23- | 23-09026, 23-09028, 23-09030, 23-09031, 23-08672, 23- | ||
08726, 23-10046 | 08726, 23-10046 | ||
71111.24 | 71111.24 Miscellaneous FLEX SFP Pump Fluid Sample Results 09/05/2023 | ||
71111.24 | 71111.24 Miscellaneous PVGS Diverse and Flexible Coping Strategies (FLEX) 4 | ||
Program Plan | Program Plan | ||
71111.24 | 71111.24 Miscellaneous 13-NS-A116 Engineering Guide to NRC Post Fukushima Requirements 1 | ||
71111.24 | 71111.24 Miscellaneous VTD-G080-00658 Vendor Technical Document: General Electric Electronic 1 | ||
Speed Governor (MDT-20 Control System) | Speed Governor (MDT-20 Control System) | ||
71111.24 | 71111.24 Miscellaneous VTD-G080-00659 Vendor Technical Document: General Electric MDT-20 2 | ||
Governor Setting Instructions | Governor Setting Instructions | ||
71111.24 | 71111.24 Procedures 14MT-9BD61 FLEX SFP Makeup Pump Inspections and Tests 6 | ||
71111.24 | 71111.24 Procedures 14MT-9BD61 FLEX SFP Makeup Pump Inspections and Tests Bases 6a | ||
71111.24 | 71111.24 Procedures 30DP-9WP04 Post-Maintenance Testing Development 20 | ||
71111.24 | 71111.24 Procedures 31MT-9CH01 Charging Pump Disassembly and Assembly 37 | ||
71111.24 | 71111.24 Procedures 32MT-9PE01 Cleaning, Inspection, and Testing of the Class 1E Diesel 50 | ||
Generator | Generator | ||
71111.24 | 71111.24 Procedures 40DP-9OP08 Diesel Generator Test Record 54 | ||
71111.24 | 71111.24 Procedures 40OP-9CH01 CVCS Normal Operations 81 | ||
Inspection Type | |||
Procedure | Inspection Type Designation Description or Title Revision or | ||
71111.24 | Procedure Date | ||
71111.24 | 71111.24 Procedures 40OP-9DF01 Diesel Fuel Oil Storage and Transfer (DF) | ||
71111.24 | 71111.24 Procedures 40OP-9DG02 Emergency Diesel Generator B 79 | ||
71111.24 | 71111.24 Procedures 40OP-9FT01 Feedwater Pump Turbine A 63 | ||
71111.24 | 71111.24 Procedures 40ST-9DG02 Diesel Generator B Test 57 | ||
71111.24 | 71111.24 Procedures 73DP-9XI01 Pump and Valve Inservice Testing Program 22 | ||
71111.24 | 71111.24 Procedures 73DP-9ZZ14 Surveillance Testing 32 | ||
71111.24 | 71111.24 Procedures 73ST-9CH06 Charging Pumps - Inservice Test 14 | ||
71111.24 Procedures 73ST-9DF02 Diesel Fuel Oil Transfer Pumps - Comprehensive Pump 19 | |||
Test | Test | ||
71111.24 | 71111.24 Procedures 73ST-9ST06 Containment Spray Pumps and Check Valves - Inservice 48 | ||
Test | Test | ||
71111.24 | 71111.24 Work Orders 5398306, 5398390, 5427973, 5536211, 5551182, 5539323, | ||
5442500, 5443639, 5453624, 5448003, 5448007, 5549702, | 5442500, 5443639, 5453624, 5448003, 5448007, 5549702, | ||
5555891, 5446696, 5446673, 5446695, 5446700, 5459882 | 5555891, 5446696, 5446673, 5446695, 5446700, 5459882 | ||
71114.06 | 71114.06 Corrective Action 23-06796, 23-08122, 23-08134, 23-08145, 23-08165, 23- | ||
Documents | Documents 08194, 23-08198, 23-08275, 23-09186 | ||
71114.06 | 71114.06 Miscellaneous Emergency Preparedness 2304 Drill Report - Drill Date Aug 09/08/2023 | ||
8, 2023 | 8, 2023 | ||
71114.06 | 71114.06 Miscellaneous EP-0801H [Emergency Action Level] Classification Matrix Hot | ||
Conditions ([Reactor Coolant System] > 210°F) | Conditions ([Reactor Coolant System] > 210°F) | ||
71114.06 | 71114.06 Miscellaneous EP-0803H [Protective Action Recommendation] Flowchart | ||
71114.06 | 71114.06 Miscellaneous EP-0804G Release Evaluation Flowchart | ||
71114.06 | 71114.06 Miscellaneous EP-0930B [Emergency Action Level] Classification Matrix All Conditions | ||
71114.06 | 71114.06 Procedures EP-0900-012 ERO Positions - Engineering Director (EOF) 4 | ||
71151 | 71151 Corrective Action 21-06710, 21-12485, 22-03043, 22-07259 | ||
Documents | Documents | ||
71151 | 71151 Miscellaneous Units 1, 2, and 3 PI Summary Report MS06-10 07/2022- 08/03/2023 | ||
06/2023 | 06/2023 | ||
71151 | 71151 Miscellaneous Units 1, 2, and 3 MSPI Margin Report July 2022 08/04/2023 | ||
71151 | 71151 Miscellaneous Units 1, 2, and 3 MSPI Margin Report February 2023 08/04/2023 | ||
71151 | 71151 Miscellaneous Units 1, 2, and 3 MSPI Margin Report May 2023 08/04/2023 | ||
71151 | 71151 Miscellaneous Unit 1 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023 | ||
Reports: PLE August 2022 | Reports: PLE August 2022 | ||
Inspection Type | |||
Procedure | Inspection Type Designation Description or Title Revision or | ||
71151 | Procedure Date | ||
71151 Miscellaneous Unit 1 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023 | |||
Reports: UAI August 2022 | Reports: UAI August 2022 | ||
71151 | 71151 Miscellaneous Unit 1 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023 | ||
Reports: URI August 2022 | Reports: URI August 2022 | ||
71151 | 71151 Miscellaneous Unit 2 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023 | ||
Reports: PLE June 2023 | Reports: PLE June 2023 | ||
71151 | 71151 Miscellaneous Unit 2 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023 | ||
Reports: UAI June 2023 | Reports: UAI June 2023 | ||
71151 | 71151 Miscellaneous Unit 2 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023 | ||
Reports: URI June 2023 | Reports: URI June 2023 | ||
71151 | 71151 Miscellaneous Unit 3 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023 | ||
Reports: PLE April 2023 | Reports: PLE April 2023 | ||
71151 | 71151 Miscellaneous Unit 3 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023 | ||
Reports: UAI April 2023 | Reports: UAI April 2023 | ||
71151 | 71151 Miscellaneous Unit 3 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023 | ||
Reports: URI April 2023 | Reports: URI April 2023 | ||
71151 | 71151 Miscellaneous 13-NS-C075 MSPI Bases Document 16 | ||
71151 | 71151 Procedures 70DP-0MR01 Maintenance Rule 47 | ||
71151 | 71151 Procedures 70DP-0MR01 Maintenance Rule 48 | ||
71151 | 71151 Procedures 70DP-0MR01 Maintenance Rule 49 | ||
71151 | 71151 Procedures 70DP-0PI01 Performance Index Data Mitigating Systems Cornerstone 9 | ||
71151 | 71151 Procedures 70DP-0PI01 Performance Index Data Mitigating Systems Cornerstone 10 | ||
71151 | 71151 Procedures 93DP-0LC09 NRC ROP PI Data Collection, Verification and Submittal 12 | ||
71152A | 71152A Corrective Action 22-03027, 23-05330, 23-05514 | ||
Documents | Documents | ||
71152A | 71152A Miscellaneous Pre-Fire Strategies Manual 30 | ||
71152A | 71152A Miscellaneous Unit 1, 2 and 3 Night Order, Fire Hose Station and Fire 05/12/2023 | ||
Detector TRM Change | Detector TRM Change | ||
71152A | 71152A Miscellaneous FPCRR, Fire Hose Removal Fire Protection Change 08/09/2022 | ||
Regulatory Review | Regulatory Review | ||
71152A | 71152A Miscellaneous 102-05627 APS Commitment Letter 01/11/2027 | ||
71152A | 71152A Miscellaneous 22-R002/22-F009 LDCR Review Packages | ||
71152A | 71152A Miscellaneous Generic Letter Implementation of Fire Protection Requirements | ||
86-10 | 86-10 | ||
Inspection Type | |||
Procedure | Inspection Type Designation Description or Title Revision or | ||
71152A | Procedure Date | ||
88-12 | 71152A Miscellaneous Generic Letter Removal of Fire Protection Requirements from Technical | ||
71152A | 88-12 Specifications | ||
71152A | 71152A Miscellaneous NFPA 14 Standpipe and Hose Systems 1976 | ||
71152A | 71152A Miscellaneous NFPA 14 Installation of Standpipe and Hose Systems 2019 | ||
71152A | 71152A Procedures 40AO-9ZZ19 Control Room Fire 42 | ||
71152A | 71152A Procedures 40DP-9ZZ19 Operational Considerations Due to Plant Fire 37 | ||
71153 | 71152A Procedures 40MG-9ZZ05-002 Mitigating Guidelines Supplemental Strategies 0 | ||
71153 Corrective Action 23-07440, 23-07500, 23-07791, 23-07845 | |||
Documents | Documents | ||
71153 | 71153 Miscellaneous Operator Logs: Unit 3 July 18, 2023, 1800 - July 19, 2023, 07/19/2023 | ||
0600 | 0600 | ||
71153 | 71153 Miscellaneous Dose Assessment User Manual 10 | ||
71153 | 71153 Miscellaneous Event Reporting Manual 48 | ||
71153 | 71153 Miscellaneous 2-23-034 Compensatory Action Document 07/29/2023 | ||
71153 | 71153 Procedures 16DP-0EP31 Emergency Preparedness Equipment Out of Service 14 | ||
71153 | 71153 Procedures 40AO-9ZZ08 Load Rejection 35 | ||
71153 | 71153 Procedures 40DP-9OP02 Conduct of Operations 77 | ||
15 | 15 | ||
}} | }} | ||
Revision as of 10:17, 13 November 2024
| ML23285A245 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde |
| Issue date: | 10/17/2023 |
| From: | John Dixon NRC/RGN-IV/DORS/PBD |
| To: | Heflin A Arizona Public Service Co |
| References | |
| IR 2023003 | |
| Download: ML23285A245 (18) | |
Text
October 17, 2023
SUBJECT:
PALO VERDE NUCLEAR GENERATING STATION - INTEGRATED INSPECTION REPORT 05000528/2023003 AND 05000529/2023003 AND 05000530/2023003
Dear Adam Heflin:
On September 30, 2023, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection at Palo Verde Nuclear Generating Station. On October 6, 2023, the NRC inspectors discussed the results of this inspection with Todd Horton, Senior Vice President, Site Operations, 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, John L. Dixon, Jr., Chief Reactor Projects Branch D Division of Operating Reactor Safety Docket Nos. 05000528 and 05000529 and 05000530 License Nos. NPF-41 and NPF-51 and NPF-74
Enclosure:
As stated
Inspection Report
Docket Numbers: 05000528, 05000529 and 05000530
License Numbers: NPF-41, NPF-51 and NPF-74
Report Numbers: 05000528/2023003, 05000529/2023003 and 05000530/2023003
Enterprise Identifier: I-2023-003-0008
Licensee: Arizona Public Service
Facility: Palo Verde Nuclear Generating Station
Location: Tonopah, AZ
Inspection Dates: July 1, 2023 to September 30, 2023
Inspectors: L. Merker, Senior Resident Inspector E. Lantz, Resident Inspector N. Cuevas, Resident Inspector J. Dykert, Health Physicist
Approved By: John L. Dixon, Jr., Chief Reactor Projects Branch D Division of Operating Reactor Safety
Enclosure
SUMMARY
The U.S. Nuclear Regulatory Commission (NRC) continued monitoring the licensees performance by conducting an integrated inspection at Palo Verde Nuclear Generating Station, 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 entered the inspection period at full power. On September 26, 2023, the unit began a coastdown for refueling outage 1R24 and ended the inspection period at approximately 95 percent power.
Unit 2 operated at or near full power for the duration of the inspection period.
Unit 3 entered the inspection period at full power. On July 18, 2023, the unit experienced a partial load reject to approximately 87 percent power due to main turbine control valve number 4 going full closed and stabilized at 88 percent power on July 19, 2023. On July 21, 2023, the operators raised power to 90 percent power. On July 30, 2023, the operators lowered power to 40 percent power to perform tube leak repairs in condenser hotwell 2A. On August 2, 2023, the operators lowered power to 12 percent power to take the main turbine offline and restore main turbine control valve number 4. On August 4, 2023, the unit returned to full power, where it remained for the remainder of the 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, 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.
REACTOR SAFETY
71111.01 - Adverse Weather Protection
Impending Severe Weather Sample (IP Section 03.02) (1 Sample)
- (1) The inspectors evaluated the adequacy of the overall preparations to protect risk-significant systems from impending monsoon thunderstorms, on August 18, 2023.
71111.04 - Equipment Alignment
Partial Walkdown Sample (IP Section 03.01) (2 Samples)
The inspectors evaluated system configurations during partial walkdowns of the following systems/trains:
- (1) Unit 3, chemical and volume control system following maintenance on charging pump A, on September 13, 2023
- (2) Unit 2, emergency diesel generator train B, during emergency diesel generator train A maintenance outage, on September 29, 2023
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) Unit 2, control building 100-foot elevation, fire zones 5A, 5B, 6A, 6B, 8A,10A, and 10B, on July 20, 2023
- (2) Unit 1, auxiliary building 120-foot elevation, fire zones 47A, 51B, 52A, 52D, and 54, on August 17, 2023
- (3) Units 1 and 3, class 1E 125 Vdc equipment rooms, fire zones 6A, 6B, 7A, and 7B, on August 22, 2023
- (4) Unit 2, auxiliary building west corridor, train A and B piping penetration rooms, fire zones 37A, 37C and 37D, on September 15, 2023
- (5) Unit 2, emergency diesel generator room train A, fire zone 21A, on September 27, 2023
Fire Brigade Drill Performance Sample (IP Section 03.02) (1 Sample)
- (1) The inspectors evaluated the onsite fire department training and performance during announced fire drills on July 21, 2023, and August 4, 2023.
71111.07A - Heat Exchanger/Sink Performance
Annual Review (IP Section 03.01) (1 Sample)
The inspectors evaluated readiness and performance of:
- (1) Unit 3, emergency diesel generator train B, jacket water heat exchanger, on July 25, 2023
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)
The inspectors observed and evaluated licensed operator performance in the control room during the following activities:
- (1) Unit 3, downpower to 12 percent power to take the main turbine generator offline and restore main turbine control valve 4 following replacement of shorted signal cable, on August 2, 2023
Licensed Operator Requalification Training/Examinations (IP Section 03.02) (1 Sample)
- (1) The inspectors observed and evaluated licensed operator continued training simulator exam activities, on August 24, 2023.
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) Unit 2, essential chilled water train A, on August 25, 2023
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) Unit 3, boration flow path functionality determination due to boric acid makeup pump to volume control tank bypass line check valve, CHA-V177, failed bi-directional close test, on August 1, 2023
- (2) Unit 3, engineered safety features actuation system channel D operability determination due to refueling water tank low level bistable setpoint spiking, on September 6, 2023
- (3) Unit 2, shutdown cooling suction valve, SIB-UV-675, from containment recirculation sump train B operability determination due to degraded conduit connection to valve actuator, on September 7, 2023
- (4) Unit 1, containment spray train A valves SIA-HV-678, SIA-HV-684, and SIA-HV-687, operability determinations following a safety equipment inoperable status panel alarm, on September 8, 2023
- (5) Unit 1, safety injection tank 2B level transmitter high pressure root valve operability determination due to excessive boric acid residue on packing gland, on September 29, 2023
71111.24 - Testing and Maintenance of Equipment Important to Risk
The inspectors evaluated the following testing and maintenance activities to verify system operability and/or functionality:
Post-Maintenance Testing (PMT) (IP Section 03.01) (4 Samples)
- (1) Unit 3, emergency diesel generator train B post-maintenance testing following maintenance outage, on July 31, 2023
- (2) Unit 2, main feedwater pump A post-maintenance testing following turbine governor pilot valve, linear variable differential transformer, and servo valve replacement, on July 31, 2023
- (3) Unit 3, main turbine control valve 4 post-maintenance testing following replacement of shorted signal cable, on August 7, 2023
- (4) Unit 3, charging pump E post-maintenance testing following maintenance outage, on September 28, 2023
Surveillance Testing (IP Section 03.01) (1 Sample)
- (1) Unit 2, diesel generator fuel oil transfer pump A comprehensive pump test, on September 29, 2023
Inservice Testing (IST) (IP Section 03.01) (1 Sample)
- (1) Unit 2, containment spray pump B inservice testing, on September 1, 2023
Diverse and Flexible Coping Strategies (FLEX) Testing (IP Section 03.02) (1 Sample)
- (1) Units 1, 2, and 3, and N+1 diverse and flexible coping strategies spent fuel pool makeup pump testing, on September 22, 2023
71114.06 - Drill Evaluation
Select Emergency Preparedness Drills and/or Training for Observation (IP Section 03.01) (1 Sample)
- (1) The inspectors evaluated an emergency preparedness drill, on August 8,
OTHER ACTIVITIES - BASELINE
===71151 - Performance Indicator Verification
The inspectors verified licensee performance indicators submittals listed below:
MS06: Emergency AC Power Systems (IP Section 02.05)===
- (1) Unit 1 (July 1, 2022, through June 30, 2023)
- (2) Unit 2 (July 1, 2022, through June 30, 2023)
- (3) Unit 3 (July 1, 2022, through June 30, 2023)
MS07: High Pressure Injection Systems (IP Section 02.06) (3 Samples)
- (1) Unit 1 (July 1, 2022, through June 30, 2023)
- (2) Unit 2 (July 1, 2022, through June 30, 2023)
- (3) Unit 3 (July 1, 2022, through June 30, 2023)
MS08: Heat Removal Systems (IP Section 02.07) (3 Samples)
- (1) Unit 1 (July 1, 2022, through June 30, 2023)
- (2) Unit 2 (July 1, 2022, through June 30, 2023)
- (3) Unit 3 (July 1, 2022, through June 30, 2023)
MS09: Residual Heat Removal Systems (IP Section 02.08) (3 Samples)
- (1) Unit 1 (July 1, 2022, through June 30, 2023)
- (2) Unit 2 (July 1, 2022, through June 30, 2023)
- (3) Unit 3 (July 1, 2022, through June 30, 2023)
MS10: Cooling Water Support Systems (IP Section 02.09) (3 Samples)
- (1) Unit 1 (July 1, 2022, through June 30, 2023)
- (2) Unit 2 (July 1, 2022, through June 30, 2023)
- (3) Unit 3 (July 1, 2022, through June 30, 2023)
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 issue:
- (1) Units 1, 2, and 3, review of actions associated with removal of fire hoses from plant fire hose stations, on September 28, 2023
71153 - Follow Up of Events and Notices of Enforcement Discretion Personnel Performance (IP section 03.03)
- (1) The inspectors evaluated the Unit 3 partial load reject to 87 percent power due to main turbine control valve number 4 going closed at full power and the licensees response, on July 18, 2023.
Reporting (IP section 03.05) (1 Sample)
- (1) The inspectors evaluated the reportability of the Unit 2 steam generator 2 main steam line radiation monitor, RU-140, channels 1 and 2 being inoperable at the same time, on August 2,
INSPECTION RESULTS
No findings were identified.
EXIT MEETINGS AND DEBRIEFS
The inspectors verified no proprietary information was retained or documented in this report.
- On October 6, 2023, the inspectors presented the integrated inspection results to Todd Horton, Senior Vice President, Site Operations, and other members of the licensee staff.
DOCUMENTS REVIEWED
Inspection Type Designation Description or Title Revision or
Procedure Date
71111.01 Miscellaneous 5240822 Potential Tornado Borne Missile Permit
71111.01 Miscellaneous 5372141 Potential Tornado Borne Missile Permit
71111.01 Miscellaneous 5496757 Potential Tornado Borne Missile Permit
71111.01 Miscellaneous 5530394 Potential Tornado Borne Missile Permit
71111.01 Miscellaneous 5537602 Potential Tornado Borne Missile Permit
71111.01 Procedures 01DP-0XX01 Control and Monitoring of Potential Tornado Borne Missiles6
71111.01 Procedures 40AO-9ZZ21 Acts Of Nature 39
71111.04 Corrective Action 22-00873, 22-05781, 22-13489, 22-13612, 23-04893, 23-
Documents 07107
71111.04 Drawings 02-M-DFP-001 P & I Diagram Diesel Fuel Oil & Transfer System 12
71111.04 Drawings 02-M-DGP-001 P & I Diagram Diesel Generator System 64
71111.04 Drawings 03-M-CHP-002 P and I Diagram Chemical and Volume Control System 57
71111.04 Miscellaneous TD #: 296625, 2PDGNV255**VALVEX - Air Dryer Drain 05/03/2023
Solenoid Isolation Valve
71111.04 Miscellaneous PVNGS DBM - Chemical and Volume Control System 26
71111.04 Procedures 40OP-9CH01 CVCS Normal Operations 81
71111.04 Procedures 40OP-9DF01 Diesel Fuel Oil Storage and Transfer (DF) 45
71111.04 Procedures 40OP-9DG02 Emergency Diesel Generator B 80
71111.04 Procedures 40OP-9SP02 Essential Spray Pond (SP) B 58
71111.04 Work Orders 5448137, 5448135
71111.05 Calculations 13-MC-FP-0809 Combustible Loads - Auxiliary Building 13
71111.05 Corrective Action 23-05960, 23-08139, 23-07964, 23-00968, 23-05379, 23-
Documents 05988, 23-06634, 23-06653, 23-06654, 23-06701, 23-06999,
23-08009, 23-08261, 23-08742, 23-09000, 23-00675, 23-
2690, 23-02692
71111.05 Fire Plans Pre-fire Strategies Manual 30
71111.05 Miscellaneous Critique Letter from Darrin Green, Battalion Chief - Threat 06/24/2021
Liaison Officer, Goodyear Fire Department, to Scott Martin,
Training Officer, Palo Verde Nuclear Generating Station
71111.05 Miscellaneous 5563638 Open Door Permit
71111.05 Miscellaneous NPL41-D-2Q1B-Palo Verde Nuclear Fire Department Fire Drill: Unit 1 B 05/17/2023
Inspection Type Designation Description or Title Revision or
Procedure Date
Shift Drill Scenario
71111.05 Miscellaneous NPL41-D-2Q1B-Palo Verde Nuclear Fire Department Fire Drill: Unit 1 B 07/12/2023
Shift Summary/After Action Review Report for Regulatory
Fire Drill
71111.05 Miscellaneous NPL41-D-2Q2C-Palo Verde Nuclear Fire Department Fire Drill: Unit 3 C 07/12/2023
Shift Summary/After Action Review Report for Regulatory
Fire Drill
71111.05 Miscellaneous NPL41-D-2Q3A-Palo Verde Nuclear Fire Department Fire Drill: Unit 3 A 06/20/2023
Shift Drill Scenario
71111.05 Miscellaneous NPL41-D-2Q3A-Palo Verde Nuclear Fire Department Fire Drill: Unit 3 A 07/06/2023
Shift Summary/After Action Review Report for Regulatory
Fire Drill
71111.05 Miscellaneous NPL41-D-3Q1A-Palo Verde Nuclear Fire Department Fire Drill: Unit 1 A 07/20/2023
Shift Drill Scenario
71111.05 Miscellaneous NPL41-D-3Q1A-Palo Verde Nuclear Fire Department Fire Drill: Unit 1 A 08/23/2023
Shift Summary/After Action Review Report for Regulatory
Fire Drill
71111.05 Miscellaneous NPL41-D-3Q2B-Palo Verde Nuclear Fire Department Fire Drill: Unit 2 B 08/03/2023
Shift Drill Scenario
71111.05 Miscellaneous NPL41-D-3Q2B-Palo Verde Nuclear Fire Department Fire Drill: Unit 2 B 08/29/2023
Shift Summary/After Action Review Report for Regulatory
Fire Drill
71111.05 Procedures 14DP-0FP01 Firewatch Requirements 14
71111.05 Procedures 14DP-0FP32 Emergency Notification and Response 38
71111.05 Procedures 14DP-0FP33 Control of Transient Combustibles 33
71111.05 Procedures 14FT-9FP61 Semi-Annual Operational Test of Appendix R and Appendix 20
A Fire Door Closers
71111.05 Procedures 18FT-9FP38 Functional Test of Appendix R Fire/HELB Doors 1
71111.05 Procedures 18FT-9FP39 Functional Test of Appendix A Fire/HELB Doors 0
71111.05 Procedures 40AO-9ZZ27 Significant Turbine Building Oil System Leaks 0
71111.05 Procedures 40DP-9ZZ17 Control of Doors, Hatches and Floor Plugs 69
71111.05 Procedures 40DP-9ZZ19 Operational Considerations Due to Plant Fire 37
71111.05 Procedures 40OP-9HJ02 Control Building HVAC (Smoke Removal) 6
71111.05 Work Orders 5535529, 5501387
Inspection Type Designation Description or Title Revision or
Procedure Date
71111.07A Corrective Action 23-06257, 22-08195, 22-07864
Documents
71111.07A Miscellaneous 23-0620 U3 DGB Jacket Water Eddy Current Examination Report
71111.07A Procedures 73DP-9ZZ21 Heat Exchanger Visual Inspection 8
71111.07A Work Orders 5398352, 5298385, 5398411, 5396107, 5398303, 5398421,
27973
71111.11Q Corrective Action 13-01173, 22-12690, 23-07440, 23-07500, 23-07719, 23-
Documents 07771, 23-07823, 23-07865, 23-07874, 23-08727
71111.11Q Miscellaneous Specific Maneuver Plan: 258 [Effective Full Power Days] 0
Downpower Unit 3 Cycle 24
71111.11Q Miscellaneous Adverse Condition Monitoring Plan: Unit 3 A Circulating 0
Water Pump/Motor Vibrations
71111.11Q Miscellaneous Operator Logs: Unit 3 August 1-2, 2023 08/07/2023
71111.11Q Miscellaneous SES-0-09-A-03 Licensed Operator Continued Training Simulator Exam 07/13/2023
Scenario
71111.11Q Procedures 40DP-9OP02 Conduct of Operations 77
71111.12 Corrective Action 21-13093, 21-15262, 23-03918, 23-03885, 23-04848
Documents
71111.12 Miscellaneous Unit 2 EC PMG Unavailability Criteria Status 08/23/2023
71111.12 Miscellaneous Performance Monitoring Group, Essential Chilled Water 06/27/2023
Train A Unit 2
71111.12 Miscellaneous 13-NS-C025 Risk Informed Performance Criteria 9
71111.12 Miscellaneous EVT-EC-2021-Maintenance Rule Event
2254
71111.12 Miscellaneous EVT-EC-2021-Maintenance Rule Event
414689
71111.12 Miscellaneous EVT-EC-2023-Maintenance Rule Event
438568
71111.12 Miscellaneous EVT-EC-2023-Maintenance Rule Event
2921
71111.12 Miscellaneous MR 2.0 Performance Monitoring Bases Document Worksheet - 0
Essential Chilled Water (HVAC)
71111.12 Procedures 70DP-0MR01 Maintenance Rule 49
71111.12 Procedures 70DP-0MR02 Maintenance Rule Monitoring Process 0
Inspection Type Designation Description or Title Revision or
Procedure Date
71111.12 Work Orders 5080139
71111.15 Calculations 13-MC-FP-0315 10CFR50 Appendix R Safe Shutdown Equipment List 15
71111.15 Corrective Action 23-05270, 22-09417, 23-02470, 23-03944, 23-04749, 23-
Documents 05749, 23-07187, 23-09098, 23-09164, 23-05220, 23-05749,
23-05751, 23-09598
71111.15 Drawings 01-E-SIB-0024 Elementary Diagram Safety Injection - Shutdown [Cooling] 9
System containment Spray Isolation Valve 1J-SIA-HV-687
71111.15 Drawings 01-E-SIB-0024 Elementary Diagram Safety Injection - Shutdown [Cooling] 10
System containment Spray Isolation Valve 1J-SIA-HV-687
71111.15 Drawings 13-E-ZAC-050 Conduit & Tray Notes, Symbols & Details 43
71111.15 Drawings 13-M-FPR-005 Appendix R Safety Function Diagram Chemical & Volume 4
Control System
71111.15 Drawings 13-N001-1104-SI-657, SI-658, SI-673, SI-675, SI 678, SI-679 Wiring 9
271 Diagram
71111.15 Drawings 13-Q-ZZP-001 EQ Configuration Drawing Limitorque Valve Actuator 1
71111.15 Drawings N001-1104-Y-Type Globe Valve Stainless Steel, Socket Weld, Cres, 13
00015 Size: 1 Class: 1586 LB
71111.15 Miscellaneous System Training Manual: Volume 40 Safety Injection System 4
(SI)
71111.15 Miscellaneous System Training Manual: Safety Equipment Status System 4
(ES)
71111.15 Miscellaneous Design Basis Manual: Plant Annunciator / Safety Equipment 4
Status System
71111.15 Miscellaneous CH and XO Maintenance Rule Scoping Diagram 02/12/2013
71111.15 Miscellaneous 13-VTD-N383-BW/IP Operation and Maintenance Manual for Manual and 3
00019 Motor Operated 1, 1-1/2 and 2 High Pressure Globe
Valves [PUB. #OMM2016]
71111.15 Miscellaneous CH DBM Chemical and Volume Control system Design Basis Manual 26
71111.15 Miscellaneous EEQ-L200-001 Electrical Equipment Qualification Data File 27
71111.15 Miscellaneous RSS-01-1360 Breaker Setting Sheet for Class 1E, 480V MCC 1-E-PHA- 0
M37 Cubicle 11 for Valve J-SIA-HV-687 (1.6hp)
71111.15 Miscellaneous SB Reactor Protection System DBM 18
71111.15 Miscellaneous VTD-C490-00001 Combustion Engineering Technical Manual for Limitorque
Corporation Motor Operated Valve Actuators
Inspection Type Designation Description or Title Revision or
Procedure Date
[PUB.#976F[83Y3]BH]
71111.15 Procedures Molded Case Circuit Breaker Test 53
71111.15 Procedures 01DP-0AP12-01 Condition Reporting Process Administrative Guideline 20
71111.15 Procedures 32MT-9ZZ74 Molded Case Circuit Breaker Test 53
71111.15 Procedures 36ST-9SB32 PPS Input Loop Calibration for Parameter 20, LO RWT 27
LEVEL
71111.15 Procedures 40DP-9OP26 Operations Operability Determination Process 48
71111.15 Procedures 40DP-9OP26-01 Operations Operability Determination Process Administrative 0
Guideline
71111.15 Procedures 40ST-9CH02 Boron Injection Flow Test 19
71111.15 Procedures 70TI-9ZC01 Boric Acid Walkdown Leak Detection 27
71111.15 Procedures 73ST-9CH02 Charging Pumps - Comprehensive Test 15
71111.15 Work Orders 5362779, 5379047, 5561932, 5538035
71111.24 Corrective Action 23-05431, 23-05432, 23-05983, 23-05990, 23-05997, 23-
Documents 06003, 23-06018, 23-06125, 23-06128, 23-07440, 23-07520,
23-09026, 23-09028, 23-09030, 23-09031, 23-08672, 23-
08726, 23-10046
71111.24 Miscellaneous FLEX SFP Pump Fluid Sample Results 09/05/2023
71111.24 Miscellaneous PVGS Diverse and Flexible Coping Strategies (FLEX) 4
Program Plan
71111.24 Miscellaneous 13-NS-A116 Engineering Guide to NRC Post Fukushima Requirements 1
71111.24 Miscellaneous VTD-G080-00658 Vendor Technical Document: General Electric Electronic 1
Speed Governor (MDT-20 Control System)
71111.24 Miscellaneous VTD-G080-00659 Vendor Technical Document: General Electric MDT-20 2
Governor Setting Instructions
71111.24 Procedures 14MT-9BD61 FLEX SFP Makeup Pump Inspections and Tests 6
71111.24 Procedures 14MT-9BD61 FLEX SFP Makeup Pump Inspections and Tests Bases 6a
71111.24 Procedures 30DP-9WP04 Post-Maintenance Testing Development 20
71111.24 Procedures 31MT-9CH01 Charging Pump Disassembly and Assembly 37
71111.24 Procedures 32MT-9PE01 Cleaning, Inspection, and Testing of the Class 1E Diesel 50
Generator
71111.24 Procedures 40DP-9OP08 Diesel Generator Test Record 54
71111.24 Procedures 40OP-9CH01 CVCS Normal Operations 81
Inspection Type Designation Description or Title Revision or
Procedure Date
71111.24 Procedures 40OP-9DF01 Diesel Fuel Oil Storage and Transfer (DF)
71111.24 Procedures 40OP-9DG02 Emergency Diesel Generator B 79
71111.24 Procedures 40OP-9FT01 Feedwater Pump Turbine A 63
71111.24 Procedures 40ST-9DG02 Diesel Generator B Test 57
71111.24 Procedures 73DP-9XI01 Pump and Valve Inservice Testing Program 22
71111.24 Procedures 73DP-9ZZ14 Surveillance Testing 32
71111.24 Procedures 73ST-9CH06 Charging Pumps - Inservice Test 14
71111.24 Procedures 73ST-9DF02 Diesel Fuel Oil Transfer Pumps - Comprehensive Pump 19
Test
71111.24 Procedures 73ST-9ST06 Containment Spray Pumps and Check Valves - Inservice 48
Test
71111.24 Work Orders 5398306, 5398390, 5427973, 5536211, 5551182, 5539323,
5442500, 5443639, 5453624, 5448003, 5448007, 5549702,
5555891, 5446696, 5446673, 5446695, 5446700, 5459882
71114.06 Corrective Action 23-06796, 23-08122, 23-08134, 23-08145, 23-08165, 23-
Documents 08194, 23-08198, 23-08275, 23-09186
71114.06 Miscellaneous Emergency Preparedness 2304 Drill Report - Drill Date Aug 09/08/2023
8, 2023
71114.06 Miscellaneous EP-0801H [Emergency Action Level] Classification Matrix Hot
Conditions ([Reactor Coolant System] > 210°F)
71114.06 Miscellaneous EP-0803H [Protective Action Recommendation] Flowchart
71114.06 Miscellaneous EP-0804G Release Evaluation Flowchart
71114.06 Miscellaneous EP-0930B [Emergency Action Level] Classification Matrix All Conditions
71114.06 Procedures EP-0900-012 ERO Positions - Engineering Director (EOF) 4
71151 Corrective Action 21-06710, 21-12485, 22-03043, 22-07259
Documents
71151 Miscellaneous Units 1, 2, and 3 PI Summary Report MS06-10 07/2022- 08/03/2023
06/2023
71151 Miscellaneous Units 1, 2, and 3 MSPI Margin Report July 2022 08/04/2023
71151 Miscellaneous Units 1, 2, and 3 MSPI Margin Report February 2023 08/04/2023
71151 Miscellaneous Units 1, 2, and 3 MSPI Margin Report May 2023 08/04/2023
71151 Miscellaneous Unit 1 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023
Reports: PLE August 2022
Inspection Type Designation Description or Title Revision or
Procedure Date
71151 Miscellaneous Unit 1 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023
Reports: UAI August 2022
71151 Miscellaneous Unit 1 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023
Reports: URI August 2022
71151 Miscellaneous Unit 2 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023
Reports: PLE June 2023
71151 Miscellaneous Unit 2 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023
Reports: UAI June 2023
71151 Miscellaneous Unit 2 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023
Reports: URI June 2023
71151 Miscellaneous Unit 3 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023
Reports: PLE April 2023
71151 Miscellaneous Unit 3 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023
Reports: UAI April 2023
71151 Miscellaneous Unit 3 AF, CWS, EDG, HPSI, RHR System MSPI Derivation 08/04/2023
Reports: URI April 2023
71151 Miscellaneous 13-NS-C075 MSPI Bases Document 16
71151 Procedures 70DP-0MR01 Maintenance Rule 47
71151 Procedures 70DP-0MR01 Maintenance Rule 48
71151 Procedures 70DP-0MR01 Maintenance Rule 49
71151 Procedures 70DP-0PI01 Performance Index Data Mitigating Systems Cornerstone 9
71151 Procedures 70DP-0PI01 Performance Index Data Mitigating Systems Cornerstone 10
71151 Procedures 93DP-0LC09 NRC ROP PI Data Collection, Verification and Submittal 12
71152A Corrective Action 22-03027, 23-05330, 23-05514
Documents
71152A Miscellaneous Pre-Fire Strategies Manual 30
71152A Miscellaneous Unit 1, 2 and 3 Night Order, Fire Hose Station and Fire 05/12/2023
Detector TRM Change
71152A Miscellaneous FPCRR, Fire Hose Removal Fire Protection Change 08/09/2022
Regulatory Review
71152A Miscellaneous 102-05627 APS Commitment Letter 01/11/2027
71152A Miscellaneous 22-R002/22-F009 LDCR Review Packages
71152A Miscellaneous Generic Letter Implementation of Fire Protection Requirements
86-10
Inspection Type Designation Description or Title Revision or
Procedure Date
71152A Miscellaneous Generic Letter Removal of Fire Protection Requirements from Technical
88-12 Specifications
71152A Miscellaneous NFPA 14 Standpipe and Hose Systems 1976
71152A Miscellaneous NFPA 14 Installation of Standpipe and Hose Systems 2019
71152A Procedures 40AO-9ZZ19 Control Room Fire 42
71152A Procedures 40DP-9ZZ19 Operational Considerations Due to Plant Fire 37
71152A Procedures 40MG-9ZZ05-002 Mitigating Guidelines Supplemental Strategies 0
71153 Corrective Action 23-07440, 23-07500, 23-07791, 23-07845
Documents
71153 Miscellaneous Operator Logs: Unit 3 July 18, 2023, 1800 - July 19, 2023, 07/19/2023
0600
71153 Miscellaneous Dose Assessment User Manual 10
71153 Miscellaneous Event Reporting Manual 48
71153 Miscellaneous 2-23-034 Compensatory Action Document 07/29/2023
71153 Procedures 16DP-0EP31 Emergency Preparedness Equipment Out of Service 14
71153 Procedures 40AO-9ZZ08 Load Rejection 35
71153 Procedures 40DP-9OP02 Conduct of Operations 77
15