ND-19-0193, Notice of Uncompleted ITAAC 225-days Prior to Initial Fuel Load Item 2.6.04.02a (Index Number 622)

Notice of Uncompleted ITAAC 225-days Prior to Initial Fuel Load Item 2.6.04.02a (Index Number 622)

ML19087A248
Person / Time
Site:	Vogtle
Issue date:	03/28/2019
From:	Yox M Southern Nuclear Operating Co
To:	Document Control Desk, Office of New Reactors
References
ND-19-0193
Download: ML19087A248 (7)

Text

^Southern Nuclear Michael J. Yox Regulatory Affairs Director 7825 River Road WayneslMro, GA 30830 Vogtle 3 & 4 706-848-6459 HAR 2 8 2019 Docket Nos.: 52-025 52-026 ND-19-0193 10CFR 52.99(c)(3)

U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555-0001 Southern Nuclear Operating Company Vogtle Electric Generating Plant Unit 3 and Unit 4 Notice of Uncompleted ITAAC 225-davs Prior to Initial Fuel Load Item 2.6.04.02a [Index Number 6221 Ladies and Gentlemen:

Pursuant to 10 CFR 52.99(c)(3), Southern Nuclear Operating Company hereby notifies the NRC that as of March 25, 2019, Vogtle Electric Generating Plant(VEGP) Unit 3 and Unit 4 Uncompleted Inspections Tests Analyses and Acceptance Criteria (ITAAC) Item 2.6.04.02a

[Index Number 622] has not been completed greater than 225-days prior to initial fuel load. The Enclosure describes the plan for completing ITAAC 2.6.04.02a [Index Number 622]. Southern Nuclear Operating Company will, at a later date, provide additional notifications for ITAAC that have not been completed 225-days prior to initial fuel load.

This notification is informed by the guidance described in NEI-08-01, Industry Guideline for the ITAAC Closure Process Under 10 CFR Part 52, which was endorsed by the NRC in Regulatory Guide 1.215. In accordance with NEI 08-01, this notification includes ITAAC for which required inspections, tests, or analyses have not been performed or have been only partially completed.

All ITAAC will be fully completed and all Section 52.99(c)(3) ITAAC Closure Notifications will be submitted to NRC to support the Commission finding that all acceptance criteria are met prior to plant operation, as required by 10 CFR 52.103(g).

This letter contains no new NRC regulatory commitments.

If there are any questions, please contact Tom Petrak at 706-848-1575.

Respectfully submitted Michael J. Yox Regulatory Affairs Direfctor Vogtle 3 & 4

Enclosure:

Vogtle Electric Generating Plant(VEGP) Unit 3 and Unit 4 Completion Plan for Uncompleted ITAAC 2.6.04.02a [Index Number 622]

MJY/DJG/sfr

U.S. Nuclear Regulatory Commission ND-19-0193 Page 2 of 3 To:

Southern Nuclear Operating Company/ Georgia Power Company Mr. D. A. Bost(w/o enclosures)

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

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

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

Mr. J. B. Klecha Mr. G. Chick Mr. M. J. Yox Mr. A. 8. Parton Ms. K. A. Roberts Mr. T. G. Petrak Mr. W. A. Sparkman Mr. C. T. Defnall Mr. C. E. Morrow Mr. J. L. Hughes Ms. K. M. Stacy Ms. A. C. Chamberlain Mr. J. C. Haswell Document Services RTYPE: VND.LI.L06 File AR.01.02.06 cc:

Nuclear Reaulatorv Commission Mr. W. Jones(w/o enclosures)

Mr. F. D. Brown Ms. J. M. Heisserer Mr. C. P. Patel Mr. G. J. Khouri Ms. S. E. Temple Mr. N. D. Karlovich Mr. A. Lerch Mr. C. J. Even Mr. B. J. Kemker Ms. N. C. Coovert Mr. C. Welch Mr. I. Cozens Mr. J. Gaslevic Mr. V. Hail Oalethoroe Power Corporation Mr. R. B. Brinkman Mr. E. Rasmussen Municipal Electric Authoritv of Georgia Mr. J. E. Fuller Mr. S. M. Jackson

U.S. Nuclear Regulatory Commission ND-19-0193 Page 3of 3 Dalton Utilities Mr. T. Bundros Westinqhouse Electric Company. LLC Dr. L. Oriani(w/o enclosures)

Mr. D. 0. Durtiam (w/o enclosures)

Mr. M. M. Corletti Ms. L. G. Iller Ms. J. Monahan Mr. J. L. Coward Other Mr. J. E. Hosier, Bechtel Power Corporation Ms. L. Matis, Tetra Tech NUS, Inc.

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

Mr. 8. Roetger, Georgia Public Service Commission Ms. 8. W. Kemizan, Georgia Public Service Commission Mr. K. C. Greene, Troutman Sanders Mr. 8. Blanton, Balch BIngham

U.S. Nuclear Regulatory Commission ND-19-0193 Enclosure Page 1 of 4 Southern Nuclear Operating Company ND-19-0193 Enclosure Vogtle Electric Generating Plant(VEGP) Unit 3 and Unit 4 Completion Plan for Uncompleted ITAAC 2.6.04.02a [Index Number 622]

U.S. Nuclear Regulatory Commission ND-19-0193 Enclosure Page 2 of 4 ITAAC Statement Desian Commitment 2.a) On loss of power to a 6900 volt diesel-backed bus, the associated diesel generator automatically starts and produces ac power at rated voltage and frequency. The source circuit breakers and bus load circuit breakers are opened, and the generator is connected to the bus.

2.b) Each diesel generator unit is sized to supply power to the selected nonsafety-related electrical components.

3. Displays of diesel generator status (running/not running) and electrical output power (watts) can be retrieved in the MCR.

4. Controls exist in the MCR to start and stop each diesel generator.

Insoections/Tests/Analvses Tests on the as-built ZDS system will be conducted by providing a simulated loss-of-voltage signal. The starting air supply receiver will not be replenished during the test.

Each diesel generator will be operated with a load of 4000 kW or greater and a power factor between 0.9 and 1.0 for a time period required to reach engine temperature equilibrium plus 2.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />.

Inspection will be performed for retrievability of the displays in the MCR.

A test will be performed to verify that controls in the MCR can start and stop each diesel generator.

Acceptance Criteria Each as-built diesel generator automatically starts on receiving a simulated loss-of-voltage signal and attains a voltage of 6900 +/- 10% V and frequency 60 +/- 5% Hz after the start signal is initiated and opens ac power system breakers on the associated 6900 V bus.

Each diesel generator provides power to the load with a generator terminal voltage of 6900 +/-

10% V and a frequency of 60 +/-5% Hz.

Displays of diesel generator status and electrical output power can be retrieved in the MCR.

Controls in the MCR operate to start and stop each diesel generator.

U.S. Nuclear Regulatory Commission ND-19-0193 Enclosure Page 3of 4 ITAAC Completion Description Pre-operatlonal testing of the onsite standby power system (ZOS) is performed to demonstrate that on loss of power to the associated 6900 V diesel-backed bus, the diesel generator automatically starts and produces ac power at rated voltage and frequency. The source circuit breakers and bus load circuit breakers are opened, and the generator is connected to the bus.

Each diesel generator unit is also tested to demonstrate it is sized to supply power to the selected nonsafety-related electrical components, that displays of the generator status (running/not running) and electrical output power (watts) are retrievable in the Main Control Room (MCR), and that controls exist in the MCR to start and stop each generator.

Each as-built diesel Generator automaticallv starts on receivinc a simulated loss-of-voltaoe sional and attains a voltaoe of 6900 +/- 10% V and freouencv 60 +/- 5% Hz after the start signal is initiated and ooens ac oower svstem breakers on the associated 6900 V bus.

The as-built diesel generators are tested in accordance with 3-ZOS-ITPP-503 and 4-ZOS-ITPP-503(References 1 and 2). The Data Display and Processing System (DDS)is utilized to monitor and record the status of the diesel generator, the diesel-backed 6900V bus, the source circuit breakers, the bus load circuit breakers, the generator circuit breaker, and the generator voltage and frequency. The diesel starting air compressor is disabled prior to the test.

A test signal is provided to simulate a loss-of-voltage signal from the associated diesel-backed bus. The opening of the source circuit breakers and bus load circuit breakers, and the automatic start of the diesel generator is verified. The diesel generator voltage of 6900 +/- 10% V and frequency 60 +/-5% Hz is also verified during the starting period and following the automatic closure of the generator breaker. The test results are included in References 1 and 2 and confirm that each as-built diesel generator automatically starts on receiving a simulated loss-of-voltage signal and attains a voltage of 6900 +/- 10% V and frequency 60 +/-5% Hz after the start signal is initiated and opens ac power system breakers on the associated 6900 V bus.

Each diesel generator provides oower to the load with a generator terminal voltaoe of 6900 +/-

10% V and a freouencv of 60 +/- 5% Hz.

A load test of each diesel generator is performed in accordance with 3-ZOS-ITPP-501 and 4-ZOS-ITPP-501 (References 3 and 4). The diesel generator is synchronized to an offsite power source and loaded to 4000 kW or greater with a power factor between 0.9 and 1.0. The engine temperature is monitored in 5-minute intervals to determine when equilibrium is reached. When three consecutive engine temperature measurements are obtained with a deviation less than 2°F between each measurement, the diesel generator is operated under the 4000 kW or greater load with a power factor between 0.9 and 1.0. for an additional 2.5-hours.

The diesel generator terminal voltage and frequency are monitored in 30-minute intervals during the 2.5-hour load test at equilibrium to verify the load is maintained at 4000 kW or greater with a power factor between 0.9 and 1.0, and that voltage of 6900 +/- 10% V and frequency at 60 +/- 5%

Hz. is maintained. The test results are included in References 3 and 4 and confirm that each diesel generator provides power to the load with a generator terminal voltage of 6900 +/- 10% V and a frequency of 60 +/- 5% Hz.

U.S. Nuclear Regulatory Commission ND-19-0193 Enclosure Page 4 of 4 Displays of diesel generator status and electrical output oower can be retrieved in the MGR.

Tfie displays of diesel generator status and electrical output power in the MGR are verified in accordance with SNGXXXXXX and SNGYYYYYY (References 5 and 6). Each diesel generator is started and stopped from the MGR to verify running/not running and electrical output power (watts) indications are retrievable in the MGR. The test results are included in References 5 and 6 and confirm that displays of diesel generator status and electrical output power can be retrieved in the MGR.

Controls in the MGR operate to start and stop each diesel Generator.

The controls to start and stop the diesel generators from the MGR are verified in accordance with SNGXXXXXX and SNGYYYYYY (References 5 and 6). Each diesel generator is started and stopped from the MGR. The test results are included in References 5 and 6 and confirm that controls in the MGR can start and stop each diesel generator.

References 1,2, 3,4,5 and 6 are available for NRG inspection as part of Unit 3 and Unit 4 ITAAG Completion Packages(References 7 and 8).

List of ITAAC Findings In accordance with plant procedures for ITAAG completion, Southern Nuclear Operating Company(SNG) performed a review of all findings pertaining to the subject ITAAG and associated corrective actions. This review found there are no relevant ITAAG findings associated with this ITAAG.

References favaiiabie for NRC inspection)

1. 3-ZOS-ITPP-503"Onsite Standby Power System - Load Sequencing Tests"

2. 4-ZOS-ITPP-503"Onsite Standby Power System - Load Sequencing Tests"

3. 3-ZOS-ITPP-501,"Onsite Standby Power System"

4. 4-ZOS-ITPP-501,"Onsite Standby Power System"

5. SNGXXXXXX,"Standby Diesel Generator Controls and Parameters ITAAG: SV3-2.6.04.02a Items 3 and 4"

6. SNGYYYYYY,"Standby Diesel Generator Controls and Parameters ITAAG: SV4-2.6.04.02a Items 3 and 4"

7. 2.6.04.02c-U3-GP-Rev 0, ITAAG Completion Package

8. 2.6.04.02c-U4-GP-Rev 0, ITAAG Completion Package

9. NEI 08-01,"Industry Guideline for the ITAAG Closure Process Under 10 GFR Part 52"