ML25148A335
| ML25148A335 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 05/28/2025 |
| From: | Benny Jose NRC/RGN-III/DORS/EB2 |
| To: | Tony Brown Vistra Operations Company |
| References | |
| IR 2025011 | |
| Download: ML25148A335 (1) | |
See also: IR 05000346/2025011
Text
Terry Brown
Site Vice President
Vistra Operations Company, LLC
Davis-Besse Nuclear Power Station
5501 N. State Rte. 2, Mail Stop A-DB-3080
Oak Harbor, OH 43449-9760
SUBJECT:
DAVIS-BESSE NUCLEAR POWER STATION-NOTIFICATION OF NRC
REQUEST FOR INFORMATION FOR POST-APPROVAL SITE
INSPECTION FOR LICENSE RENEWAL-PHASE IV; INSPECTION
REPORT 05000346/2025011
Dear Terry Brown:
On July 14, 2025, the U.S. Nuclear Regulatory Commission (NRC) will begin an inspection in
accordance with Inspection Procedure 71003 (Phase 4). This onsite inspection is scheduled to
be performed July 14 - July 18, 2025, and July 28 - August 1, 2025.
The purpose of the inspection is to review the implementation of the Aging Management
Program (AMP) elements during the Period of Extended Operation (PEO). The inspection team
will select for review a sample of the sites AMPs.
This Request for Information is separated into three Sections (A, B and C). Section A lists
the AMP samples selected by the lead inspector for this inspection. Based on these sample
selections, the licensee will provide the additional information requested under Section B.
This information will be used as part of the inspection preparation and implementation.
Requests under Section C should be available to the inspectors during the on-site week of
inspection. See the table below for specific dates:
Requested Action:
Date:
Section B Information
July 3, 2025
Section C Information
July 14, 2025
May 28, 2025
T. Brown
2
Experience has shown that this inspection is resource intensive both for the NRC inspectors
and your staff. To minimize the impact to your onsite resources and to ensure a productive
inspection, we have enclosed a request for documents needed for this inspection. It is important
that these documents are current and complete to ensure efficiency.
We understand that our contact for this inspection will be Chad Atkinson (419-321-7844) of
your organization. If there are any questions about this inspection or the material requested,
please contact the lead inspector Benny Jose at benny.jose@nrc.gov or 630-829-9756.
This letter does not contain new or amended information collection requirements subject
to the Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.). Existing information collection
requirements were approved by the Office of Management and Budget, Control Number
3150-0011. The NRC may not conduct or 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 Office of Management and Budget Control Number.
This letter and its enclosure 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, Part 2.390, Public Inspections,
Exemptions, Requests for Withholding.
Sincerely,
Benny Jose, Senior Reactor Inspector
Engineering Branch 2
Division of Operating Reactor Safety
Docket No. 50-346
License No. NPF-3
Enclosure:
Document Request for License Renewal
Phase 4 Inspection
cc w/encl: Distribution via LISTSERV
Signed by Jose, Benny
on 05/28/25
T. Brown
3
Letter to Terry Brown from Benny Jose dated May 28, 2025.
SUBJECT:
DAVIS-BESSE NUCLEAR POWER STATION-NOTIFICATION OF NRC
REQUEST FOR INFORMATION FOR POST-APPROVAL SITE
INSPECTION FOR LICENSE RENEWAL-PHASE IV; INSPECTION
REPORT 05000346/2025011
DISTRIBUTION:
Tim Steadham
RidsNrrDorlLpl3
RidsNrrPMDavisBesse Resource
RidsNrrDroIrib Resource
R3-DORS
ADAMS Accession Number: ML25148A335
Publicly Available
Non-Publicly Available
Sensitive
Non-Sensitive
OFFICE
RIII
RIII
NAME
BJose:gmp
DATE
05/28/2025
OFFICIAL RECORD COPY
Enclosure
DAVIS-BESSE NUCLEAR POWER STATION-REQUEST FOR
INFORMATION FOR LICENSE RENEWAL INSPECTION
(PHASE 4)
Inspection Procedure:
IP 71003, Post-Approval Site Inspection for License Renewal
(Phase 4)
Inspection Dates:
July 14 - August 1, 2025
Inspection Report: 05000346/2025011
Lead Inspector:
On July 14, 2025, the U.S. Nuclear Regulatory Commission (NRC) will begin an inspection in
accordance with Inspection Procedure 71003 (Phase 4). This onsite inspection is scheduled to
be performed July 14 - July 18, 2025, and July 28 - August 1, 2025.
The purpose of the inspection is to review the implementation of the Aging Management
Program (AMP) elements during the Period of Extended Operation (PEO). The inspection team
will select for review a sample of the sites AMPs.
This Request for Information is separated into three Sections (A, B and C). Section A lists
the AMP samples selected by the lead inspector for this inspection. Based on these sample
selections, the licensee will provide the additional information requested under Section B.
This information will be used as part of the inspection preparation and implementation.
Requests under Section C should be available to the inspectors during the on-site week of
inspection. See the table below for specific dates:
Requested Action:
Date:
Section B Information
July 3, 2025
Section C Information
July 14, 2025
A. AMP Samples Selected
(1)
Aboveground Steel Tanks Inspection Program.
(2)
Buried Piping and Tanks Inspection Program.
(3)
External Surfaces Monitoring Program.
(4)
(5)
Fire Water Program.
(6)
Inaccessible Medium Voltage Cables not Subject to 10 CFR 50.49, EQ
Requirements Program.
2
(7)
Leake Chase Monitoring Program.
(8)
Masonry Wall Inspection Program.
(9)
Nickel Alloy Management Program.
(10) Nickel Alloy Reactor Vessel Closure Head Nozzles Program.
(11) One Time Inspection Program.
(12) Open Cycle Cooling Water Program.
(13) Selective Leaching Inspection Program.
(14) Small Bore Class 1 Piping Inspection Program
(15) Structures Monitoring Program.
(16) Shield Building Monitoring Program.
B. Information Requested for Each AMP Selected for Review (As Applicable)
(1)
Program basis documents and administrative procedures describing key program
attributes such as program objectives, scope, detection and monitoring methods,
administrative controls, acceptance criteria, corrective actions, and scope expansion
requirements.
(2)
Provide a summary document listing which implementing procedures are included in
the selected AMP and what are their required performance frequency.
(3)
Copies of implementing procedures for program activities (e.g., visual examination
procedures, ultrasonic examination procedures, maintenance procedures, system
walkdowns, etc.)
(4)
Completed Work Orders (WOs) for the most recent aging management activities
performed, including associated inspection and testing reports, as applicable. This
request is limited to the last two completed activities (per procedure). If this request
becomes too onerous based on the number of Work Orders, reach out to the lead
inspector for additional scope clarification.
(5)
Copies of aging related corrective actions documents associated with the selected
AMP, and SSCs under its purview (for the last three years). A search of corrective
action documents should include keywords such as: aging, age management,
degradation, wear, delamination, peeling, crazing, chipping, leak, crack,
corrosion, rust, leaching, embrittlement, fatigue, blister, spalling, oxidation,
loss of function, failed acceptance criteria, flow-accelerated, or other site-specific
terms/codes used in aging monitoring as appropriate.
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(6)
Updated license renewal scoping drawings showing the SSCs within the scope of the
AMP.
(7)
Any gap analyses performed to assess the differences between the current AMP and
the recommendations in the latest revision of NUREG-1801, Generic Aging Lessons
Learned (GALL), and subsequent Interim Staff Guidance.
(8)
Copy of evaluations performed for applicable external and internal operating
experience (OE) issues associated with license renewal. This request is limited to OE
items issued after entering the PEO.
(9)
Description of instances where examination scope expansion was required based on
the examination of an SSC in accordance with the AMP. Please describe the logic to
select the scope expansion, and any resulting changes to the AMP. (This request is
limited to work performed in the PEO.)
(10) Description of instances where AMP examinations/inspections were eliminated or
deferred. (This request is limited to work performed in the PEO.)
(11) Description of instances where examination/inspection scope changes were required
based on limitations encountered during the examination. (This request is limited to
work performed in the PEO.)
C. Information Requested to be Available During the Onsite Week of Inspection
(1)
Provide a brief presentation (informal) to the inspection team regarding aging
management at the site. Topics to be covered:
a.
How are aging related issues identified, documented, and evaluated within
the corrective action program and/or other aging tracking software/program.
b.
Describe which individuals and/or organizations are responsible for identifying
and evaluating aging related issues.
c.
Describe the responsibilities regarding age management, if any, of the following:
i.
System/Strategic Engineers
ii.
AMP Owners
iii.
Corporate office
(2)
Copy of simplified system drawings (a.k.a. Horse Notes or Training Notes).
(3)
A computer with network access to the sites corrective action program.