ML23171B052

NRR E-mail Capture - RAI for Review of Appendix F to DOM-NAF-2-P (Redacted)

ML23171B052
Person / Time
Site:	Millstone, Surry, North Anna
Issue date:	06/20/2023
From:	Ed Miller Plant Licensing Branch II
To:	Sinha S Dominion Energy Services
References
L-2022-LLT-0003
Download: ML23171B052 (4)

Text

From: Ed Miller Sent: Tuesday, June 20, 2023 1:14 PM To: Shayan.Sinha@dominionenergy.com

Subject:

RAI for Review of Appendix F to DOM-NAF-2-P (Redacted)

Attachments: Formal RAI for VIPRE Code Appendix F Review R1_REDACTED VERSION.pdf

Shayan, By letter dated December 19, 2022 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML22353A619 (Proprietary, Non-Public) ML22353A620 (Public))

Dominion Energy submitted to the U.S. Nuclear Regulatory Commission (NRC) a request for review and approval of Appendix F to Fleet Report DOM-NAF-2-P. The appendix addresses qualification of the Framatome ORFEO-GAIA and ORFEO-NMGRID CHF Correlations in the Dominion Energy VIPRE-D Computer Code. The request for review was supplemented by letter dated April 6, 2023 (ADAMS Accession No. ML23096A297 (Proprietary, Non-Public)

ML23096A298 (Public).

The NRC staff has reviewed the information submitted and needs additional information to complete its review of the fleet report appendix. These requests for additional (RAIs) are attached to this email and are released formally with a 45-day response period (August 4, 2023).

The attached RAI has been redacted and this email, along with its attachment, will be placed in ADAMS and profiled as Public.

Ed Miller (301) 415-2481

Hearing Identifier: NRR_DRMA Email Number: 2133 Mail Envelope Properties (SA1PR09MB7487C37A3DB0CAEE242F153AE95CA)

Subject:

RAI for Review of Appendix F to DOM-NAF-2-P (Redacted)

Sent Date: 6/20/2023 1:13:31 PM Received Date: 6/20/2023 1:13:00 PM From: Ed Miller Created By: Ed.Miller@nrc.gov Recipients:

"Shayan.Sinha@dominionenergy.com" <Shayan.Sinha@dominionenergy.com>

Tracking Status: None Post Office: SA1PR09MB7487.namprd09.prod.outlook.com Files Size Date & Time MESSAGE 1080 6/20/2023 1:13:00 PM Formal RAI for VIPRE Code Appendix F Review R1_REDACTED VERSION.pdf 215337 Options Priority: Normal Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:

OFFICIAL USE ONLY PROPRIETARY INFORMATION

2. Confirm that the numerical solution methods and the empirical correlations used in the VIPRE-D model for the validation performed for ORFEO-GAIA and ORFEO-NMGRID data are consistent with the approved values in the topical report for the VIPRE-D code.