ND-17-2038, Report of 10 CFR 50.59 Changes, Tests and Experiments and 10 CFR 52 Appendix D Departure Report

Report of 10 CFR 50.59 Changes, Tests and Experiments and 10 CFR 52 Appendix D Departure Report

ML17345A953
Person / Time
Site:	Vogtle
Issue date:	12/11/2017
From:	Whitley B Southern Nuclear Operating Co
To:	Document Control Desk, Office of New Reactors
References
ND-17-2038
Download: ML17345A953 (82)

Text

A Southern Nuclear Brian H. Whitley Southern Nuclear Director 011crating Company, Inc.

Rcgul,ltory All.tir> 42 lm cmcs' Center I'ark way Bi rrnin!;h<nn. AI 3'\242 Tel 201 .\l\12.707\l I ,tx 205.9\12.52\)(i December 11, 2017 Docket Nos.: 52-025 ND-17-2038 52-026 10 CFR 50.59 10 CFR 52 App. D U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555-0001 Southern Nuclear Operating Company Vogtle Electric Generating Plant Units 3 and 4 Report of 10 CFR 50.59 Changes, Tests and Experiments and 10 CFR 52 Appendix D Departure Report Ladies and Gentlemen:

This submission is made with regard to the Vogtle Electric Generating Plant (VEGP), Units 3 and 4, Combined License (COL) numbers NPF-91 and NPF-92, in accordance with the reporting requirements of 10 CFR 50.59(d)(2) and 10 CFR 52, Appendix D, paragraphs X.B.1 and X.B.3.b.

For the period of May 11, 2017 through November 10, 2017, there were no changes, tests or experiments made pursuant to paragraph (c) of 10 CFR 50.59. provides the report containing a brief description of plant-specific departures, including a summary of the evaluation of each, as required by 10 CFR 52, Appendix D, paragraphs X.B.1 and X.B.3.b, for the period of May 11, 2017 through November 10, 2017.

This letter makes no regulatory commitments. If you have questions, please contact Ms. Amy Chamberlain 205-992-6361.

Respectfully submitted, SOUTHERN NUCLEAR OPERATING COMPANY

~n.fol;;.

Brian H. W~itle~

BHW/JDB/Ijs : VEGP Units 3 and 4, Departure Report for the Period of May 11, 2017 through November 10, 2017

U.S. Nuclear Regulatory Commission ND-17-2038 Page 2 of 3 cc:

Southern Nuclear Operating Company / Georgia Power Company Mr. S. E. Kuczynski (w/o enclosures)

Mr. M. D. Rauckhorst Mr. D. G. Bost (w/o enclosures)

Mr. M. D. Meier (w/o enclosures)

Mr. D. H. Jones (w/o enclosures)

Mr. D. L. McKinney (w/o enclosures)

Mr. T. W. Yelverton (w/o enclosures)

Mr. B. H. Whitley Mr. J. J. Hutto Mr. C. R. Pierce Ms. A. G. Aughtman Mr. D. L. Fulton Mr. M. J. Yox Mr. J. Tupik Mr. W. A. Sparkman Ms. A. C. Chamberlain Ms. A. L. Pugh Mr. J. D. Williams Document Services RTYPE: VND.LI.L00 File AR.01.02.06 Nuclear Regulatory Commission Mr. W. Jones (w/o enclosures)

Ms. J. Dixon-Herrity Mr. C. Patel Ms. J. M. Heisserer Mr. B. Kemker Mr. G. Khouri Ms. S. Temple Ms. V. Ordaz Mr. T.E. Chandler Ms. P. Braxton Mr. T. Brimfield Mr. C. J. Even Mr. A. Lerch State of Georgia Mr. R. Dunn Oglethorpe Power Corporation Mr. M. W. Price Mr. K. T. Haynes Ms. A. Whaley Municipal Electric Authority of Georgia Mr. J. E. Fuller Mr. S. M. Jackson

U.S. Nuclear Regulatory Commission ND-17-2038 Page 3 of 3 Dalton Utilities Mr. T. Bundros Westinghouse Electric Company, LLC Mr. L. Oriani (w/o enclosures)

Mr. G. Koucheravy (w/o enclosures)

Mr. M. Corletti Mr. M. L. Clyde Ms. L. Iller Mr. D. Hawkins Mr. J. Coward Other Mr. S. W. Kline, Bechtel Power Corporation Ms. L. A. Matis, Tetra Tech NUS, Inc.

Dr. W. R. Jacobs, Jr., Ph.D., GDS Associates, Inc.

Mr. S. Roetger, Georgia Public Service Commission Ms. S. W. Kernizan, Georgia Public Service Commission Mr. K. C. Greene, Troutman Sanders Mr. S. Blanton, Balch Bingham Mr. R. Grumbir, APOG NDDocumentinBox@duke-energy.com, Duke Energy Mr. S. Franzone, Florida Power & Light

Southern Nuclear Operating Company ND-17-2038 Enclosure 1 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 (79 pages, including this cover page)

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2014-112 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Indication of Reactor Vessel Head Vent Isolation Valve Position Status Brief Description of the Plant-Specific Departure:

The design of the reactor vessel head vent isolation valve is modified to be locked open, and a stem-mounted limit switch is added to provide valve position indication in the Main Control Room.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 2 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2015-035 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Changes to Steam Generator System (SGS) Flow Transmitters Brief Description of the Plant-Specific Departure:

Several flow transmitters in the SGS are relocated; steam generator containment isolation valve controls are removed from the description of seismic Category 1 equipment in the lower main steam isolation valve (MSIV) compartment and the upper MSIV compartment; and the description of the SGS flow transmitters root isolation valves are updated.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 3 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2015-039 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Class 1E dc and Uninterruptible Power Supply System (IDS) Changes Brief Description of the Plant-Specific Departure:

The design of the IDS is changed to reflect load profile changes, accommodate full voltage motor starts, increase the size of the Division A motor control center, change equipment ratings for short circuit protection and circuit interrupting device coordination, add a test circuit to the spare battery subsystem, and add maintenance switches to the ac distribution panels.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 4 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2015-073 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Nuclear Island Nonradioactive Ventilation System (VBS) Changes Brief Description of the Plant-Specific Departure:

The design of the VBS is changed to utilize electric heating coils, update heating coil capacities, and clarify the description of VBS components.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 5 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2015-094 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Engineered Safety Features Actuation System Modifications Brief Description of the Plant-Specific Departure:

Interlocks for Engineered Safety Features Actuation System are modified to accurately describe the Protection and Safety Monitoring System (PMS) permissives.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 6 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2015-100 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Non-Class 1E dc Battery and UPS System (EDS) and Class 1E dc Battery and UPS System (IDS) Component Changes Brief Description of the Plant-Specific Departure:

Fused transfer switch boxes are added to the design of the EDS and IDS to facilitate battery testing and maintenance. EDS and IDS changes are made to allow fuses or breakers to be used for internal component protection.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 7 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2015-116 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Engineered Safety Feature Logic Changes Brief Description of the Plant-Specific Departure:

Changes are made to steam generator blowdown isolation valves and piping to prevent hydrodynamic transients. The description of Component Cooling Water System (CCS) isolation valve logic on a safeguards actuation signal are changed. Engineered Safety Features latching logic is revised to ensure that all functions requiring latching have the proper latching configuration.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 8 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2015-118 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Refueling Machine and Fuel Handling Machine Clarifications Brief Description of the Plant-Specific Departure:

The description of the fuel handling machine and the refueling machine hoists used to lift spent fuel are clarified to be non-single-failure-proof hoists. Radiation shielding terminology is revised.

A change is made to clarify that a Single Integrated Gripper Mast Assembly (SIGMA) type refueling machine is not used in the design.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 9 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2015-134 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 79 Unit 4 Amendment No.: 78 Departure

Title:

Update of Common Qualified (Common Q) Platform Software Program Manual and Topical Report (LAR-15-017)

Brief Description of the Plant-Specific Departure:

Changes are made to the Common Qualified (Common QTM) platform and the development processes for the Protection and Safety Monitoring System (PMS) hardware and software as described in the following Westinghouse reports:

WCAP-16096, Revision 4, Software Program Manual for Common QTM Systems WCAP-16097, Revision 3, Common Qualified Platform Topical Report WCAP-15927, Revision 6, Design Process for AP1000 Common Q Safety Systems This departure resulted in changes to the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This departure involved Tier 2* information, and Tier 2 information in the UFSAR which involved changes to Tier 2* information; therefore, a License Amendment Request (LAR-15-017) was submitted to the NRC.

The NRC approved this License Amendment Request and issued License Amendments 79 and 78 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 10 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-012 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 78 Unit 4 Amendment No.: 77 Departure

Title:

Boric Acid Storage Tank Suction Point ITAAC Changes (LAR-16-028)

Brief Description of the Plant-Specific Departure:

The design of the inlet/outlet line for the Boric Acid Storage Tank (BAST) is relocated to the side of the tank using a goose-neck piping configuration with an anti-vortex device and heat tracing.

An isolation valve is added to the common inlet/outlet line from the BAST. The volume of the BAST is clarified to be between the tank suction point and the tank overflow. The total Chemical and Volume Control System makeup flow to the Reactor Coolant System is changed to be less than or equal to 175 gpm.

This departure resulted in changes to the UFSAR (plant-specific DCD), Tier 1 (plant-specific DCD), and COL Appendix C ITAAC.

Summary of the Evaluation:

This departure involved changes to Tier 1 information, COL Appendix C ITAAC, and Tier 2 information in the UFSAR which involved changes to Tier 1 information; therefore, a License Amendment and Exemption Request (LAR-16-028) was submitted to the NRC.

The NRC approved this License Amendment and Exemption Request and issued License Amendments 78 and 77 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

The addition of an isolation valve to the common inlet/outlet line from the BAST which is also made to Tier 2 information does not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 11 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-015 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 82 Unit 4 Amendment No.: 81 Departure

Title:

Containment Internal Floor Module Connections (LAR-15-012)

Brief Description of the Plant-Specific Departure:

The design details for the construction of the floor modules and the connections between floor modules and structural wall modules in the containment internal structures are revised.

This departure resulted in changes to the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This departure involved Tier 2* information, and Tier 2 information in the UFSAR which involved changes to Tier 2* information; therefore, a License Amendment Request (LAR-15-012) was submitted to the NRC.

The NRC approved this License Amendment Request and issued License Amendments 82 and 81 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 12 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-028 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 89 Unit 4 Amendment No.: 88 Departure

Title:

Slab Thickness Changes between Column Lines I to J-1 and 2 to 4 at Elevation 153'-0" (LAR-16-019)

Brief Description of the Plant-Specific Departure:

The thickness of the floor above the Component Cooling Water System valve room (Auxiliary Building floor between Column lines I to J-1 and Column Lines 2 to 4 at Elevation 153'-0") is changed to 1'-3".

This departure resulted in changes to the UFSAR (plant-specific DCD), Tier 1 (plant-specific DCD), and COL Appendix C ITAAC.

Summary of the Evaluation:

This departure involved Tier 1 information, COL Appendix C information, Tier 2* information, and Tier 2 information which involved changes to Tier 2* information in the UFSAR; therefore, a License Amendment and Exemption Request (LAR-16-019) was submitted to the NRC.

The NRC approved this License Amendment and Exemption Request and issued License Amendments 89 and 88 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 13 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-030 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Containment Leak Rate Test System (VUS) Changes Brief Description of the Plant-Specific Departure:

The VUS temporary air compressors are relocated to the Yard. VUS test connections for main equipment and maintenance hatches, and spare penetrations are moved inside containment and ASME Section III, Class 2 removable plugs and buttweld connectors are added to main steam and feedwater expansion bellows. The VUS valves associated with the electrical penetration assemblies are removed. A second test connection is added to the main equipment and maintenance hatches. Two test penetrations are added to the exterior air lock hatches.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 14 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-066 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Containment Hydrogen Control System (VLS) Design Changes Brief Description of the Plant-Specific Departure:

The VLS hydrogen sensor design is changed to a galvanic cell that utilizes electrochemical sensing technology, resulting in a change to the hydrogen monitor instrument response time.

The three hydrogen sensors are relocated in the upper containment dome rather than various locations within containment.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 15 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-068 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 83 Unit 4 Amendment No.: 82 Departure

Title:

Pressurizer Surge Line Testing (LAR-16-011)

Brief Description of the Plant-Specific Departure:

Pre-operational testing described in the Vogtle Electric Generating Plant (VEGP) Units 3 and 4, Combined Licenses (COLs), regarding the monitoring of the pressurizer surge line for thermal stratification and thermal cycling during hot functional testing and during the first fuel cycle for the first plant only is changed. The requirement to install, monitor, and verify operation of temperature sensors on the pressurizer spray line is removed from the pressurizer surge line testing for monitoring thermal stratification and thermal cycling for the first plant. Clarifications are made regarding testing purpose, testing duration, and the ability to leave equipment in place following data collection period.

This departure resulted in changes to the UFSAR (plant-specific DCD) and the VEGP Units 3 and 4 COLs.

Summary of the Evaluation:

This departure involved a change to the VEGP Units 3 and 4 COLs; therefore, a License Amendment Request (LAR-16-011) was submitted to the NRC.

The NRC approved this License Amendment Request and issued License Amendments 83 and 82 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 16 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-091 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 80 Unit 4 Amendment No.: 79 Departure

Title:

Nondestructive Examination for Welds of Couplers to Stainless Steel Embedment Plates (LAR-16-016)

Brief Description of the Plant-Specific Departure:

The requirements of American Institute of Steel Construction (AISC) N690-1994 for a subset of welded couplers on stainless steel embedment plates already installed and embedded in concrete are supplemented to specify that the quality and strength of welds is demonstrated through visual examination and through static tension testing of an uninstalled representative population, in lieu of the requirements of AISC N690-1994, Sections Q1.26.2.2, Q1.26.2.3, and Q1.26.3 for partial joint penetration weld inspection, re-inspection and repair.

This departure resulted in changes to the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This departure involved Tier 2* information in the UFSAR; therefore, a License Amendment Request (LAR-16-016) was submitted to the NRC.

The NRC approved this License Amendment Request and issued License Amendments 80 and 79 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 17 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-103 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 91 Unit 4 Amendment No.: 90 Departure

Title:

ADS and IRWST Injection Block (LAR-16-018)

Brief Description of the Plant-Specific Departure:

An Automatic Depressurization System (ADS) actuation blocking device is used to reduce the potential for spurious actuations of the ADS valves. This departure provided additional design details for the blocking device to describe how and where it interfaces with the Protection and Safety Monitoring System (PMS). In addition, this departure added the blocking device to the In-containment Refueling Water Storage Tank (IRWST) injection valves.

This departure resulted in changes to the UFSAR (plant-specific DCD), Tier 1 (plant-specific DCD), COL Appendix C ITAAC and COL Appendix A Technical Specifications.

Summary of the Evaluation:

This departure involved Tier 1 information, COL Appendix C information, COL Appendix A Technical Specifications and Tier 2* information in the UFSAR; therefore, a License Amendment and Exemption Request (LAR-16-018) was submitted to the NRC.

The NRC approved this License Amendment and Exemption Request and issued License Amendments 91 and 90 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 18 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-122 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 86 Unit 4 Amendment No.: 85 Departure

Title:

Nondestructive Examination for Welds of Couplers to Carbon Steel Embedment Plates (LAR-16-027)

Brief Description of the Plant-Specific Departure:

The requirements of American Institute of Steel Construction (AISC) N690-1994, Section Q1.26.2.2, for a subset of welded couplers on carbon steel embedment plates are supplemented to specify that the strength and quality of the welds is demonstrated through non-destructive examination and static tension testing of portions of the original production and supplemental uninstalled populations, and through visual examination of the production populations, in lieu of the requirements for partial joint penetration 10 percent weld inspection.

This departure resulted in changes to the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This departure involved Tier 2* information in the UFSAR; therefore, a License Amendment Request (LAR-16-027) was submitted to the NRC.

The NRC approved this License Amendment Request and issued License Amendments 86 and 85 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 19 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-129 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Removal of Software Hazards Analysis (WCAP-16592) from UFSAR Table 1.6-1 Brief Description of the Plant-Specific Departure:

The AP1000 Protection and Safety Monitoring System (PMS) Software Hazards Analysis (SHA), (WCAP-16592) is removed as a reference in the UFSAR (plant-specific DCD). The commitment to perform an SHA in accordance with IEEE 1012 and WCAP-16096, and the guidance on how to perform an SHA remain unchanged in the licensing basis.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 20 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-131 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Containment Vessel Insulated Enclosure Changes Brief Description of the Plant-Specific Departure:

The design of the insulated enclosures for the upper equipment hatch and personnel airlock is changed. The description and depiction of the air baffle arrangement is revised.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 21 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-134 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Auxiliary Systems Editorial, Consistency and Design Changes Brief Description of the Plant-Specific Departure:

Editorial and consistency changes are made to the descriptions of several auxiliary systems in the UFSAR (plant-specific DCD).

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 22 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-142 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Door Design Changes Brief Description of the Plant-Specific Departure:

This departure involves multiple door changes to the Auxiliary Building and Annex Building general arrangement and plant layout drawings. Changes to door swing directions and combining dual doors with different functions into one multiple functional door in the same door opening are made.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 23 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-143 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 81 Unit 4 Amendment No.: 80 Departure

Title:

In-Containment Refueling Water Storage Tank (IRWST) Volume Changes (LAR-17-002)

Brief Description of the Plant-Specific Departure:

The water volume of the IRWST is clarified have a minimum required volume of 73,100 ft3 between the tank outlet connection and the tank overflow.

This departure resulted in changes to the UFSAR (plant-specific DCD), Tier 1 (plant-specific DCD), COL Appendix A Technical Specifications and COL Appendix C ITAAC.

Summary of the Evaluation:

This departure involved changes to Tier 1 information, COL Appendix A Technical Specifications, COL Appendix C ITAAC, and Tier 2 information in the UFSAR which involved changes to Tier 1 information; therefore, a License Amendment and Exemption Request (LAR-17-002) was submitted to the NRC.

The NRC approved this License Amendment and Exemption Request and issued License Amendments 81 and 80 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 24 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-154 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Changes to Materials for Reactor Vessel Internals (RVI)

Brief Description of the Plant-Specific Departure:

The design is changed to specify the use of ASME SA-479, Grade XM-19 as a large diameter alternate to ASME SA-479, Type 316 material for threaded structural fasteners and dowel pins in the RVI.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 25 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-161 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 88 Unit 4 Amendment No.: 87 Departure

Title:

Consistency Update to the Raceway Separation Requirements in the Main Control Room (MCR) and Remote Shutdown Room (RSR) (LAR-17-007)

Brief Description of the Plant-Specific Departure:

The physical separation requirements between Class 1E division cables and between Class 1E and non-Class 1E cables are revised to add additional acceptable configurations for raceway separation in the MCR and RSR.

This departure resulted in changes to Tier 1 (plant-specific DCD) and COL Appendix C ITAAC.

Summary of the Evaluation:

This departure involved Tier 1 information and COL Appendix C information; therefore, a License Amendment and Exemption Request (LAR-17-007) was submitted to the NRC.

The NRC approved this License Amendment and Exemption Request and issued License Amendments 88 and 87 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 26 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-162 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Post-Core Reference Report Editorial Changes Brief Description of the Plant-Specific Departure:

The criticality analysis for the spent fuel storage racks is revised as part of a design change to the gray rod cluster assemblies which was previously incorporated into the licensing basis. An additional revision is made to the analysis clarifying the results of the mislocated assembly scenario.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 27 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-166 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 76 Unit 4 Amendment No.: 75 Departure

Title:

Classification of Nonsafety-Related Instrumentation (LAR-16-029)

Brief Description of the Plant-Specific Departure:

The equipment classification and seismic Category for non-safety related instrumentation that interfaces with safetyrelated pressure boundaries, is clarified. The manifold, instrument and impulse line (interconnecting tubing between the manifold and instrument) is clarified as equipment Class D and seismic Category II. The instrument sensing line from the connected fluid system to the manifold is clarified as safetyrelated and seismic Category I. Additionally, the Class D quality requirements include a pressure test at 1.5 times design pressure and a requirement for certified material test reports.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This departure involved change in methodology as described in Tier 2 information in the UFSAR; therefore, a License Amendment Request (LAR-16-029) was submitted to the NRC.

The NRC approved this License Amendment Request and issued License Amendments 76 and 75 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 28 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2016-171 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 87 Unit 4 Amendment No.: 86 Departure

Title:

Standardization of Instrumentation Setpoint Nomenclature (LAR-17-004)

Brief Description of the Plant-Specific Departure:

The Protection and Safety Monitoring System (PMS) reactor trip and engineered safety feature setpoint designators are updated to reflect a standardized nomenclature scheme.

This departure resulted in changes to the UFSAR (plant-specific DCD), Tier 1 (plant-specific DCD), COL Appendix A Technical Specifications, Technical Specification Bases and COL Appendix C ITAAC.

Summary of the Evaluation:

This departure involved changes to Tier 1 (plant-specific DCD), COL Appendix A Technical Specifications, and COL Appendix C ITAAC; therefore, a License Amendment Request (LAR-16-006) was submitted to the NRC.

The NRC approved this License Amendment Request and issued License Amendments 87 and 86 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Additional nomenclature changes are also made to Tier 2 information that did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

That portion of the departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this portion of the departure.

Page 29 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-004 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 90 Unit 4 Amendment No.: 89 Departure

Title:

Engineered Safety Features Actuation Changes for Containment Vacuum Relief (LAR-17-005)

Brief Description of the Plant-Specific Departure:

A Containment Pressure Low, automatic reset function is added for the manual initiation of the containment vacuum relief valves.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD), and changes to COL Appendix A Technical Specifications.

Summary of the Evaluation:

This departure involved changes to COL Appendix A Technical Specification; therefore, a License Amendment Request (LAR-17-005) was submitted to the NRC.

The NRC approved this License Amendment Request and issued License Amendments 90 and 89 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 30 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-014 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Ventilation System and Spent Fuel Pool Cooling System Design Changes, and Airborne Radioactivity Concentration Changes Brief Description of the Plant-Specific Departure:

Changes to the layout of the Containment Recirculation Cooling System (VCS) are made.

Component capacities for several ventilation systems in the Auxiliary Building, Annex Building and Radwaste Building are changed. Control logic for the Chemical and Volume Control System (CVS) makeup pump unit cooler and the Normal Residual Heat Removal System (RNS) pump unit cooler is changed. The maximum radionuclide specific airborne radioactivity concentrations during normal operations for the containment are changed.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 31 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-015 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 84 Unit 4 Amendment No.: 83 Departure

Title:

Hydrogen Venting from Passive Core Cooling System (PXS)

Compartments (LAR-17-003)

Brief Description of the Plant-Specific Departure:

The locations for the hydrogen venting primary opening paths in the PXS valve/accumulator rooms inside containment are changed. The results of the analysis, which shows that a diffusion flame hydrogen burn from these rooms does not challenge containment integrity are clarified.

This departure resulted in changes to the UFSAR (plant-specific DCD), Tier 1 (plant-specific DCD) and associated COL Appendix C ITAAC.

Summary of the Evaluation:

This departure involved changes to Tier 1 information and associated COL Appendix C ITAAC; therefore, a License Amendment and Exemption Request (LAR-17-003) was submitted to the NRC.

The NRC approved this License Amendment and Exemption Request and issued License Amendments 84 and 83 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 32 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-025 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Consistency Changes to Instrumentation and Controls Brief Description of the Plant-Specific Departure:

The description of post-accident monitoring variables for core makeup tank (CMT) level are revised for consistency with regulatory guidance.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 33 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-029 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Reactor Coolant System (RCS) Instrumentation Location Changes Brief Description of the Plant-Specific Departure:

Six RCS instrument transmitters inside Containment are relocated.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 34 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-030 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: 85 Unit 4 Amendment No.: 84 Departure

Title:

Inspections, Tests, Analyses, and Acceptance Criteria (ITAAC)

Consolidation (LAR-17-006)

Brief Description of the Plant-Specific Departure:

ITAAC in the following categories are consolidated: Reference ITAAC, ASME Component and Piping ITAAC, Located on the Nuclear Island ITAAC, Equipment Qualification ITAAC, Valve Qualification ITAAC and Instrumentation and Control and Electrical Functional Arrangement ITAAC.

This departure resulted in changes to Tier 1 information (plant-specific DCD), and COL Appendix C ITAAC.

Summary of the Evaluation:

This departure involved changes to Tier 1 information, and COL Appendix C ITAAC; therefore, a License Amendment and Exemption Request (LAR-17-006) was submitted to the NRC.

The NRC approved this License Amendment and Exemption Request and issued License Amendments 85 and 84 to COL NPF-91 for VEGP Unit 3 and COL NPF-92 for VEGP Unit 4, respectively.

Page 35 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-031 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Addition of Normal Residual Heat Removal System (RNS) Valves Brief Description of the Plant-Specific Departure:

The RNS heat exchanger bypass flow control valves are added to the list of safety-related air-operated valves.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 36 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-032 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Outboard Containment Isolation Valve Pipe Length Changes Brief Description of the Plant-Specific Departure:

Pipe length associated with several outboard containment isolation valves are changed or removed in the list of containment mechanical penetrations and isolation valves. A description of pipe length is added.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 37 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-044 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Power System Stabilizer Detail Changes Brief Description of the Plant-Specific Departure:

Details regarding the design of the power system stabilizer for the main electrical generator excitation system is removed.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 38 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-054 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Initial Test Program Clarifications Brief Description of the Plant-Specific Departure:

Clarifications are made to the test abstracts in the Initial Test Program. An additional change is made to clarify that multiple heaters are used to keep the contents of the Demineralized Water Transfer and Storage System (DWS) tank from freezing.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 39 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-055 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Core Shroud Alignment and Thickness Changes Brief Description of the Plant-Specific Departure:

The design of the alignment pins that position the reactor vessel upper core support assembly in its proper orientation relative to the lower core support assembly are changed. The reactor vessel core shroud thickness is changed.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 40 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-057 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Replacement of Concrete/Steel Composite Material with Steel Plate Brief Description of the Plant-Specific Departure:

The design of the fire zone separation material used in the upper and lower automatic depressurization system valve area rooms is changed from a concrete/steel composite material to steel plate.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 41 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-059 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Reactor Equipment Model System (RESM) Input Change Brief Description of the Plant-Specific Departure:

The mathematical model of the reactor pressure vessel is changed from a model that utilizes a super element for the integrated head package (IHP) to a model that utilizes a detailed representation of the IHP.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 42 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-061 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Core Makeup Tank (CMT) Upper and Lower Water Level Sensor Range Change Brief Description of the Plant-Specific Departure:

The location of the level instrumentation nozzles on the CMTs is changed, resulting in changes to the range of the CMT water level sensors.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 43 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-063 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Containment Vessel (CV) Seal Changes Brief Description of the Plant-Specific Departure:

The interior CV seal material is changed to flexible elastomeric material and the dimensions of the seal are changed to show a slope away from the CV. A clarification is added to permit alternate configurations to be used where interferences are present.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 44 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-064 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Locked-Open Requirements for Normally-Open Manual Valves Brief Description of the Plant-Specific Departure:

Manual valves in the Compressed and Instrument Air System (CAS), Chemical and Volume Control System (CVS), and Primary Sampling System (PSS), which are required to be open to ensure the ability of the containment isolation valves to relieve thermal overpressure in the piping passing through a containment penetration, are changed to be locked open.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 45 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-065 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

High Pressure Sodium (HPS) Lamps in the Fuel Handling Areas Brief Description of the Plant-Specific Departure:

The Plant Lighting System (ELS) design is changed to permit the usage of specially designed HPS lamps in the fuel handling areas.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 46 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-066 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Main Feedwater Penetration Bellows Changes Brief Description of the Plant-Specific Departure:

The design of the main feedwater containment penetration is changed to replace the protective cover plate with an additional bellows (referred to as the flexible shroud) surrounding the pressure-retaining bellows. The flexible shroud contains holes in the weld ends which facilitate in-service inspection.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 47 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-069 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Principal Construction Code Change to the Core Barrel Nozzles Brief Description of the Plant-Specific Departure:

The principal construction code of the reactor system core barrel nozzles is changed to Manufacturer Standard.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 48 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-071 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Passive Residual Heat Removal (PRHR) Control Valves Position Indication Brief Description of the Plant-Specific Departure:

The PRHR heat exchanger control valve position indication status is changed to open or closed.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 49 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-072 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Squib Valve Design Changes Brief Description of the Plant-Specific Departure:

An independent method to actuate the squib valves is added, and a clarification of the Diverse Actuation System (DAS) architecture and functional design is made.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 50 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-074 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Onsite Standby Diesel Generator Ground Fault Protection Function Discrepancy Brief Description of the Plant-Specific Departure:

The design of the ground fault protection devices for the standby diesel generators is changed, and a clarification is added regarding the function of the diesel generator building heating, ventilation, and air conditioning (HVAC) system.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 51 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-075 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Change to Condenser Subcomponent Test Sequence Brief Description of the Plant-Specific Departure:

The tests and inspections of the condenser subcomponents are changed to reflect that the condenser water boxes are hydrostatically tested in the fabrication facility prior to shipment, and the condenser shells are leak tested after the condenser is erected.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 52 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-076 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Circulating Water System (CWS) Piping and Instrumentation Diagram (P&ID) Simplification Brief Description of the Plant-Specific Departure:

The CWS P&IDs are simplified to remove symbols for expansion joints, instrument root valves and flanges, and to add clarifying notes.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 53 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-078 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Annex Building General Arrangement Changes Brief Description of the Plant-Specific Departure:

Room numbers and room names are updated or added in the Annex Building general arrangement figures.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 54 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-081 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Ventilation Smoke Detector Changes Brief Description of the Plant-Specific Departure:

The description of the Radiologically Controlled Area Ventilation System (VAS) is changed to clarify that the VAS supply and exhaust fans trip, and alarms are initiated in the main control room upon activation of the supply duct smoke detectors. The design of several air handling units (AHUs) are changed to add smoke detectors on the supply side, upstream of the associated isolation damper.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 55 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-083 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Environmental Qualification Responsibilities Brief Description of the Plant-Specific Departure:

A clarification is made regarding responsibilities for environmental qualification of equipment.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 56 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-084 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Post-Accident Monitoring Changes Brief Description of the Plant-Specific Departure:

Environmental qualification requirements and variables associated with post-accident monitoring are changed.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 57 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-086 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Preoperational Reactor Coolant System (RCS) Testing Change Brief Description of the Plant-Specific Departure:

The requirement for verifying natural circulation during the RCS preoperational testing program is removed.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 58 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-088 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Pressurizer Safety Valve Design Description Brief Description of the Plant-Specific Departure:

The description of design of the pressurizer safety valves and their performance during slow pressurization events is clarified.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 59 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-089 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Spent Fuel Pool (SFP) Level Instrumentation Clarifications Brief Description of the Plant-Specific Departure:

The design description of the SFP level instrumentation is clarified to demonstrate compliance with the Post Fukushima Order regarding missile protection, separation of divisions, water level measurement points, calibration, and instrument accuracy.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 60 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-090 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Automatic Depressurization System (ADS) Stage 4 Control Logic Changes Brief Description of the Plant-Specific Departure:

A design change is made to remove the programmed time delay prior to opening the ADS Stage 4 depressurization valve; add a confirmatory open signal for the low hot leg level logic for the ADS Stage 4 actuation function; and add the manual ADS Stage 4 actuation reset signal to the confirmatory open 4th Stage ADS isolation valve logic.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 61 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-091 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Correction of Cross Reference Brief Description of the Plant-Specific Departure:

An editorial correction is made to a cross-reference to the subsection that describes the requirements for a site-specific 3D dynamic seismic analysis.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 62 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-092 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Condensate Polishing System (CPS) Changes Brief Description of the Plant-Specific Departure:

The design of the CPS is changed to include two condensate polisher vessels, two resin traps, four control valves and three flow elements. The total disposal volume, maximum generated volume, and maximum shipped volume of resin material per year are changed.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 63 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-093 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Nuclear Island Nonradiative Ventilation System (VBS) Ductwork Changes Brief Description of the Plant-Specific Departure:

Two fire dampers and a three-hour fire rated enclosure around the VBS supply and return ductwork in the north air handling equipment room are removed.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 64 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-095 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Protection and Safety Monitoring System (PMS) and Normal Residual Heat Removal System (RNS) Changes Brief Description of the Plant-Specific Departure:

The PMS logic for isolation of the RNS is changed to remove redundant latching logic for the isolation valves; add a note that the logic for the isolation valve signal is latched in; add a note that the signal logic is repeated for each valve; and add a note that the RNS pump trip function is a non-safety function.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 65 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-096 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Pipe Rupture Hazard Analysis (PRHA) Description Changes Brief Description of the Plant-Specific Departure:

Changes are made to the description of the PRHA.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a deviation from plant-specific DCD design information such that there is more than a minimal increase in the frequency of occurrence of an accident, likelihood of the occurrence of a malfunction of a structure, system or component (SSC) important to safety, consequences of an accident or malfunction; create the possibility of an accident of a different type or malfunction with a different result; result in a design basis limit for a fission product barrier being exceeded or altered; result in a departure from a method of evaluation; or a substantial increase in the probability of an ex-vessel severe accident previously determined to not be creditable such that it would become credible.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII evaluation determined that NRC approval was not required prior to implementing this departure.

Page 66 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-100 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Containment Penetration and Onsite Standby Power System (ZOS)

Component Classification Changes Brief Description of the Plant-Specific Departure:

The class, seismic category and principal construction code for several containment penetrations and ZOS components are changed.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 67 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-101 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Accumulator Injection Line Change Brief Description of the Plant-Specific Departure:

A design change is made to move the accumulator discharge injection point into the Reactor Coolant System (RCS).

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 68 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-102 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Passive Autocatalytic Recombiner (PAR) Changes Brief Description of the Plant-Specific Departure:

The minimum distance that the Containment Hydrogen Control System (VLS) PARs must be located from the containment shell is clarified. In addition, the two VSL PAR units are relocated to a higher elevation inside containment.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 69 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-103 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Clarification of a Technical Requirement Manual (TRM) Surveillance Brief Description of the Plant-Specific Departure:

A clarification is made to a TRM surveillance requirement regarding verification of negative pressure inside containment during refueling operations.

This departure resulted in changes to Tier 2 information in the TRM, which is incorporated by reference in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 70 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-106 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Charpy V-notch Requirement Changes Brief Description of the Plant-Specific Departure:

A change is made to the Charpy V-notch testing lateral expansion requirements for the Main Control Room Emergency Habitability System (VES) storage tanks.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 71 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-110 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Heating, Ventilation and Air Conditioning (HVAC) Fan Configuration Changes Brief Description of the Plant-Specific Departure:

The requirements and descriptions of the fans in several HVAC systems are changed.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 72 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-111 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Ventilation Changes in the Radiation Chemistry Laboratory Brief Description of the Plant-Specific Departure:

The seismic classification of ductwork in the radiation chemistry laboratory is changed. A new design temperature range is established for the demineralizer/filter access area and corridor.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 73 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-112 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Fire Protection Summary Combustible Load Changes Brief Description of the Plant-Specific Departure:

Lube oil, used in hydraulic lifts, is added as a combustible material in fire areas and fire zones within the Annex Building and Auxiliary Building.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 74 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-116 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Area Ventilation System Changes Brief Description of the Plant-Specific Departure:

Design changes are made to the Radiologically Controlled Area Ventilation System (VAS) and the Annex/Auxiliary Building Non-Radioactive Ventilation System (VXS).

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 75 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-122 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Turbine Building Heater Bay Fire Protection Information Changes Brief Description of the Plant-Specific Departure:

The Fire Protection Summary is updated to include the Turbine Building heater bay and add automatic fire suppression for the heater bay.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 76 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-126 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Resizing of Diesel Generators (DGs) and Related Components Brief Description of the Plant-Specific Departure:

The electrical capacity of the DGs is increased, resulting in changes to related components that support DG operation. The size of the DG Building is increased. Fuel oil storage requirements are changed. The DG Ventilation System (VZS) capacity is increased. Combustible loading and equivalent durations are updated for the DG Building. Valves and piping lines are relocated.

Load requirements are updated for numerous components powered by the DGs and additional components are added as automatically or manually sequenced loads on the DGs. The Compressed and Instrument Air System instrument air compressor logic is changed to support DG operation.

This departure resulted in changes to the Tier 2 information in the UFSAR (plant-specific DCD) and the Technical Requirements Manual (TRM).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 77 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-128 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Ultrasonic Examination of Class D, F, and G Pipe Welds Brief Description of the Plant-Specific Departure:

A change is made to the nondestructive examination (NDE) requirements for Class D, F, and G pipe welds from ASME B31.1, 1989 Edition and 1989 Addenda to allow compliance with ASME B31.1, 2007 Edition, during fabrication and installation.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 78 of 79

ND-17-2038 VEGP Units 3 and 4 Departure Report for the Period of May 11, 2017 through November 10, 2017 Departure Number: LDCR-2017-139 License Amendment: Yes No Exemption: Yes No Unit 3 Amendment No.: N/A Unit 4 Amendment No.: N/A Departure

Title:

Annex Building Key Dimension Changes Brief Description of the Plant-Specific Departure:

Design details associated with the Annex Building, as depicted on the key structural dimension figures, are updated. Changes include removing, rotating and change columns and pilasters, correcting doorway openings and distances and removing the basemat lip.

This departure resulted in changes to Tier 2 information in the UFSAR (plant-specific DCD).

Summary of the Evaluation:

This plant-specific departure did not result in a modification, addition to, or removal of a structure, system, or component (SSC) such that a design function is adversely affected, has no impact on plant operating procedures or a method of control that adversely affects a design function, does not result in an adverse change to a method of evaluation or use of an alternate method of evaluation, does not represent tests or experiments outside the reference bounds of the design basis, and does not alter the assumptions or results of the ex-vessel severe accident assessment.

This departure did not involve a change to Tier 1 information, Tier 2* information or the Technical Specifications. A 10 CFR 52 Appendix D, Section VIII screening/simplified evaluation determined that NRC approval was not required prior to implementing this departure.

Page 79 of 79