ML24324A350

Notification of Inspection for Watts Bar Nuclear Plant Unit 2 Supplemental Inspection

ML24324A350
Person / Time
Site:	Watts Bar
Issue date:	11/19/2024
From:	Andrew Rosebrook NRC/RGN-II/DORS
To:	Barker C Tennessee Valley Authority
References
Download: ML24324A350 (1)

Text

From:

Andy Rosebrook To:

Barker, Charles Andrew Cc:

Jeff Hamman; Lou McKown (He/Him/His)

Subject:

Watts Barr Unit 2 95001 Pre Inspection RFI Date:

Tuesday, November 19, 2024 11:44:36 AM Attachments:

2024 WBN - 95001 Information Request -Final.docx Andy

Per our conversation this morning here is the RFI for the 95001 inspection. I understand 2 of the cause evaluations are being revised please provide the reviewed and approved copies of those documents when they are available.

Andy Rosebrook Senior Reactor Analyst USNRC RII

NOTIFICATION OF INSPECTION FOR WATTS BAR NUCLEAR PLANT UNIT 2 SUPPLEMENTAL INSPECTION (95001)

Inspection Procedure:

IP 95001, Supplemental Inspection Response to Action Matrix Column 2 (Regulatory Response) Inputs, dated August 19, 2021 (ADAMS ML21175A172)

Inspection Dates:

Preparation Week: December 2-6, 2024 Onsite Week: December 9-13, 2023 Inspection Report: 05000391/2024040 (Standalone Inspection Report)

Inspectors:

A. Rosebrook (Lead)

P. Meier (Inspector)

D. Jung (Trainee)

By letter dated August 8, 2024, the U.S. Nuclear Regulatory Commission (NRC) communicated to you the agencys intent to perform a supplemental inspection to review your evaluation of the root and contributing cause(s) and corrective actions for the White Unplanned Scrams per 7000 Critical Hours Performance Indicator (PI) at your Watts Bar Nuclear Plant, Unit 2.

On November 12, 2024, your staff notified the NRC of your readiness for the agency to conduct a supplemental inspection. Therefore, the NRC plans to conduct a supplemental inspection in accordance with Inspection Procedure 95001, Supplemental Inspection Response to Action Matrix Column 2 (Regulatory Response) Inputs, beginning on December 9, 2024. This inspection procedure is conducted to provide assurance that the root and contributing causes for the performance issues are understood, and to provide assurance that the corrective actions are sufficient to address the root and contributing causes and prevent recurrence.

To minimize the impact on your staff and to ensure a productive inspection, we have enclosed a request for information needed prior to the inspection preparation week. These documents identified are those that the inspectors will need prior to arrival at the plant. It is important that all of these documents are up-to-date and complete in order to minimize the number of additional documents requested during the inspection. If possible, we would request that this information be provided electronically to the inspectors. Please provide the information requested in the Enclosure to the Region II Office or a file sharing site by December 2, 2024. Additional documents may be requested during the preparation week. The inspectors will try to minimize your administrative burden by specifically identifying only those documents required for inspection preparation.

Prior to arriving onsite, Mr. Rosebrook discuss the following inspection support administrative details: (1) availability of knowledgeable plant engineering and licensing personnel to serve as points of contact during the inspection, (2) method of tracking inspector requests during the inspection, (3) computer access, (4) working space, (5) arrangements for site access, and (6) other applicable information. We have discussed the schedule for the inspection with your staff and understand that our regulatory contact for this inspection will be Andy Barker of your organization. If there are any questions regarding our schedule for the inspection or the material requested, please contact Mr. Andy Rosebrook at 404-997-4705 or electronically at andrew.rosebrook@nrc.gov.

Logistics:

Please schedule an entrance meeting for around 1:00 PM. on Monday, December 9, 2024 (approximately 15 minutes). The date and time of the exit meeting will be discussed at a later date. In addition, I would like to have a daily debrief with your inspection support staff at a convenient time in the afternoons of the onsite inspection week. (Thursday December 12 at 15:00 approximately 30 minutes).

We will need a conference room as workspace for the inspectors with Wi-Fi access available.

We will also need an area available for conducting interviews.

PAPERWORK REDUCTION ACT STATEMENT This letter contains voluntary information collections that are subject to the Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.). The Office of Management and Budget (OMB) approved these information collections (approval number 3150-0011). The burden to the public for these information collections is estimated to average 60 hours6.944444e-4 days <br />0.0167 hours <br />9.920635e-5 weeks <br />2.283e-5 months <br /> per response. Send comments regarding this information collection to the Information Services Branch, Office of the Chief Information Officer, Mail Stop: T6A10M, U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001, or by e-mail to Infocollects.Resource@nrc.gov, and to the Desk Officer, Office of Information and Regulatory Affairs, NEOB-10202, (3150-0011) Office of Management and Budget, Washington, DC 20503.

PUBLIC PROTECTION NOTIFICATION The NRC may not conduct nor sponsor, and a person is not required to respond to, a request for information or an information collection requirement unless the requesting document displays a currently valid OMB control number.

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

Enclosure Documents Requested Prior to Inspection Preparation Week Please provide the information electronically in.pdf files, Excel, or other searchable format on a website (FTP site, SharePoint, etc.). The website should be indexed to facilitate ease of use.

Electronic format is the preferred media. If electronic media is made available via an internet-based remote document management system, then the remote document access must allow inspectors to download, save, and print the documents from NRC offices. Paper records (hard copy) are acceptable. At the end of the inspection, the documents in our possession will not be retained. We also request that the information provided be sorted as numbered in the list below.

Documents requested by December 2, 2024:

1. Administrative procedures governing the sites corrective action program, including:

a. The identification and resolution of problems;

b. Root cause and apparent cause evaluations; and

c. Common cause assessments, effectiveness reviews, and self-assessments;

2. The cause evaluation report(s) and associated documents for the White PI.

3. A copy of any corrective action documents related to the cause evaluation report(s).

4. For those documents requested in item 2 and 3 above:

a. A list of all the corrective actions including the identifying number, short description, action owner, completion/estimated completion date, and status;

b. Documentation supporting completion of any corrective actions;

c. Current schedule and resource commitments for open corrective actions;

d. Schedule and status of any ongoing, planned, or completed effectiveness reviews; and

e. Documentation supporting completion of any effectiveness reviews

5. A copy of all documents referenced in the root cause report(s) for the White PI (if uploaded electronically: with a title similar to Ref. [#] - [Title of document]).

6. A list of all condition reports initiated on or after June 27, 2023, associated with the Unit 2 reactor scrams and the associated White PI.

7. Documents (if numerous: at least a list of) used by the site to assess the extent of condition (such as completed maintenance work orders and equipment photographs).

8. Documents (if numerous: at least a list of) used by the site to assess the extent of cause (such as completed maintenance work orders and equipment photographs).

9. Any internal and/or external assessments of the cause evaluation(s) and any follow-up assessments that occurred because of the cause evaluation(s). This would include the results of any Quality Assurance Department assessments, corporate assessments, and mock 95001 assessments conducted at the plant to assess readiness for the inspection.

10. Site Organization Charts at the Senior Leadership level and for the Operations department.

11. Post Trip Reviews/Reports for the Unit 2 scrams that occurred on the following dates:

June 27, 2023 August 4, 2023 January 27, 2024 March 5, 2024