L-MT-22-007, Response to Request for Additional Information for the Monticello Nuclear Generating Plant Alternative Request VR-08 (EPID: L-MT-22-007)

Response to Request for Additional Information for the Monticello Nuclear Generating Plant Alternative Request VR-08 (EPID: L-MT-22-007)

ML22203A110
Person / Time
Site:	Monticello
Issue date:	07/22/2022
From:	Hafen S Xcel Energy
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
EPID L-MT-22-007, L-MT-22-028
Download: ML22203A110 (5)

Text

Xcel Energy 2807 West County Road 75 Monticello, MN 55362 July 22, 2022 L-MT-22-028 10 CFR 50.55a(z)

ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Monticello Nuclear Generating Plant Docket No. 50-263 Renewed Facility Operating License No. DPR-22 Response to Request for Additional Information for the Monticello Nuclear Generating Plant Alternative RequestVRoa /EPID: L-MT-22-007)

References:

1) L-MT-22-007, Monticello 10 CFR 50.55a Request Associated with the Monticello Sixth lnservice Testing Ten-Year Interval OMN-28 (ADAMS Accession Number ML22067A084)

2) Email from the NRC to NSPM, "Request for Additional Information RE:

Monticello Nuclear Generating Plant, Alternative VR-08, dated June 24, 2022 (ADAMS Accession Number ML22181A196)

Northern States Power Company, a Minnesota corporation, doing business as Xcel Energy (hereafter "NSPM"), submitted a Relief Request on March 7, 2022, (Reference 1) pursuant to 10 CFR 50.55a(z)(1), "Request Associated with the Monticello Sixth lnservice Testing Ten Year Interval OMN-28," for the Monticello Nuclear Generating Plant (MNGP). The proposed Relief Request VR-08 requests to adopt ASME Code Case OMN-28, "Alternative Valve Position Verification Approach to Satisfy ISTC-3700 for Valves Not Susceptible to Stem-Disk Separation".

On June 24, 2022, the U.S. Nuclear Regulatory Commission (NRC) requested additional information (Reference 2) from NSPM. The response to this RAI is provided in the following enclosure to this letter.

Summary of Commitments This letter makes no new commitments and no revisions to existing commitments.