RA-23-0244, Application for Technical Specification Improvement to Extend a Completion Time of Technical Specification 3/4.5.1, Accumulators, Using the Consolidated Line Item Improvement Process

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Application for Technical Specification Improvement to Extend a Completion Time of Technical Specification 3/4.5.1, Accumulators, Using the Consolidated Line Item Improvement Process
ML24080A449
Person / Time
Site: Harris Duke Energy icon.png
Issue date: 03/20/2024
From: Haaf T
Duke Energy Progress
To:
Office of Nuclear Reactor Regulation, Document Control Desk
References
RA-23-0244
Download: ML24080A449 (1)
v • d • e


Text

Thomas P. Haaf Site Vice President Harris Nuclear Plant 5413 Shearon Harris Rd New Hill, NC 27562-9300 984-229-2512 10 CFR 50.90 March 20, 2024 Serial: RA-23-0244 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Shearon Harris Nuclear Power Plant, Unit 1 Docket No. 50-400 Renewed License No. NPF-63

Subject:

Application for Technical Specification Improvement to Extend a Completion Time of Technical Specification 3/4.5.1, Accumulators, Using the Consolidated Line Item Improvement Process Ladies and Gentlemen:

In accordance with the provisions of 10 CFR 50.90, Duke Energy Progress, LLC (Duke Energy),

hereby requests a revision to the Technical Specifications (TS) for the Shearon Harris Nuclear Power Plant, Unit 1 (HNP). The proposed amendment would extend the completion time from 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> for applicable actions of TS 3.5.1, Accumulators. The change is consistent with NRC-approved Industry/Technical Specification Task Force (TSTF) Standard Technical Specification Change Traveler TSTF-370, Risk-Informed Evaluation of an Extension to Accumulator Completion Times for Westinghouse Plants (ADAMS Accession No. ML003771348). The availability of this TS improvement was announced in the Federal Register on March 12, 2003, as part of the consolidated line item improvement process (CLIIP).

provides the description of the proposed change and confirmation of applicability. provides the existing TS pages marked with the proposed changes. Enclosure 3 provides the existing TS Bases pages marked with the proposed changes (for information only).

Changes to the TS Bases will be implemented in accordance with the TS Bases Control Program upon implementation of the amendment. There are no new regulatory commitments associated with this proposed change.

Approval of the proposed license amendment is requested within six months of acceptance. The amendment shall be implemented within 90 days from approval.

In accordance with 10 CFR 50.91, a copy of this application, with enclosures, is being provided to the designated North Carolina State Official.

Please refer any questions regarding this submittal to Ryan Treadway, Director - Nuclear Fleet Licensing, at 980-373-5873.

U.S. Nuclear Regulatory Commission Serial: RA-23-0244 I declare under penalty of perjury that the foregoing is true and correct.

Executed on March 20, 2024.

Sincerely, Thomas P. Haaf Site Vice President Harris Nuclear Plant

Enclosures:

1. Description and Assessment
2. Proposed Technical Specification Changes (Mark-up)

Page 2 of 2

3. Proposed Technical Specification Bases Changes (Mark-up) cc:

P. Boguszewski, Senior NRC Resident Inspector, HNP L. Brayboy, Radioactive Materials Branch Manager, N.C. DHHS M. Mahoney, NRC Project Manager, HNP L. Dudes, NRC Regional Administrator, Region II

U.S. Nuclear Regulatory Commission Serial: RA-23-0244 ENCLOSURE 1 DESCRIPTION AND ASSESSMENT SHEARON HARRIS NUCLEAR POWER PLANT, UNIT 1 DOCKET NO. 50-400 RENEWED LICENSE NUMBER NPF-63 2 PAGES PLUS THE COVER

U.S. Nuclear Regulatory Commission Page 1 of 2 Serial: RA-23-0244 Description and Assessment

1.0 DESCRIPTION

The proposed license amendment extends the completion time of Technical Specification (TS) 3.5.1, Accumulators, from 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> to restore a Reactor Coolant System (RCS) accumulator to operable status when declared inoperable due to any reason except not being within the required boron concentration range.

The changes are consistent with NRC approved Industry/Technical Specification Task Force (TSTF) Standard Technical Specification Change Traveler, TSTF-370, Risk Informed Evaluation of an Extension to Accumulator Completion Times for Westinghouse Plants (ADAMS Accession No. ML003771348). The availability of this TS improvement was announced in the Federal Register on March 12, 2003 as part of the consolidated line item improvement process (CLIIP).

2.0 ASSESSMENT

2.1 Applicability of Published Safety Evaluation Duke Energy Progress, LLC (Duke Energy) has reviewed the safety evaluation published on July 15, 2002 (67 FR 46542) as part of the CLIIP. This verification included a review of the NRC staffs evaluation as well as the supporting information provided to support TSTF-370 (i.e.,

WCAP-15049-A, Risk-Informed Evaluation of an Extension to Accumulator Completion Times, dated May 18, 1999). Duke Energy has concluded that the justifications presented in the TSTF proposal and the safety evaluation prepared by the NRC staff are applicable to Shearon Harris Nuclear Power Plant, Unit 1 (HNP), and justify this amendment for the incorporation of the changes to the HNP TS.

2.2 Optional Changes and Variations Duke Energy is proposing the following variations from the TS changes described in TSTF-370 and the NRC staffs model safety evaluation published on July 15, 2002:

a. The HNP TS are based upon the format and content of the NUREG-0452, "Standard Technical Specifications for Westinghouse Pressurized Water Reactors," series (ADAMS Accession No. ML102590431). As a result, the HNP TS utilize different numbering and titles than NUREG-1431, Standard Technical Specifications -

Westinghouse Plants (ADAMS Accession No. ML21259A155), and has a separate action for an inoperable accumulator due to the isolation valve being closed. TSTF-370, which is based on NUREG-1431, addresses extending the completion time for one accumulator being inoperable for reasons other than the boron concentration not within limits, which would apply to both HNP TS Actions a and b. For consistency with NUREG-1431 and TSTF-370, this variation addresses the revision to HNP TS 3.5.1 Action a to delete the exclusion of its applicability to a closed isolation valve and delete Action b in its entirety. The applicability of TSTF-370 and the supporting evaluation from WCAP-15049-A, Risk-Informed Evaluation of an Extension to Accumulator Completion Times, for a 24-hour completion time is for any reason other than boron concentration not within limits; therefore, this would include a

U.S. Nuclear Regulatory Commission Page 2 of 2 Serial: RA-23-0244 closed isolation valve. There is no technical reason to have a separate action or different completion time for the accumulator being inoperable due to a closed isolation valve.

3.0 REGULATORY ANALYSIS

3.1 No Significant Hazards Determination Duke Energy has reviewed the proposed no significant hazards consideration determination published on July 15, 2002 (67 FR 46542) as part of the CLIIP. Duke Energy has concluded that the proposed determination presented in the notice is applicable to HNP and the determination is hereby incorporated by reference to satisfy the requirements of 10 CFR 50.91(a).

3.2 Verification and Commitments There are no new regulatory commitments associated with this proposed change.

4.0 ENVIRONMENTAL EVALUATION Duke Energy has reviewed the environmental evaluation included in the model safety evaluation published on July 15, 2002 (67 FR 46542) as part of the CLIIP. Duke Energy has concluded that the NRC staffs findings presented in that evaluation are applicable to HNP and the evaluation is hereby incorporated by reference for this application.

U.S. Nuclear Regulatory Commission Serial: RA-23-0244 ENCLOSURE 2 PROPOSED TECHNICAL SPECIFICATION CHANGES (MARK-UP)

SHEARON HARRIS NUCLEAR POWER PLANT, UNIT 1 DOCKET NO. 50-400 RENEWED LICENSE NUMBER NPF-63 1 PAGE PLUS THE COVER





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24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> DELETED.

U.S. Nuclear Regulatory Commission Serial: RA-23-0244 ENCLOSURE 3 PROPOSED TECHNICAL SPECIFICATION BASES CHANGES (MARK-UP)

(FOR INFORMATION ONLY)

SHEARON HARRIS NUCLEAR POWER PLANT, UNIT 1 DOCKET NO. 50-400 RENEWED LICENSE NUMBER NPF-63 2 PAGES PLUS THE COVER

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ADD: Item 1

Item 1:

The 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> allowed to restore an inoperable accumulator to OPERABLE status is justified in WCAP-15049-A, Rev. 1 (April 1999).

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