ML20052A573

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Notifies That Unit 2 Will Be Loaded w/40 Toprod Assemblies During Cycle 7 Reload.Requests XN-NF-82-21(p) Application of Exxon Nuclear Co PWR Thermal Margin Methodology to Mix Core Configurations Be Referenced on Facilities Dockets
ML20052A573
Person / Time
Site: Prairie Island  Xcel Energy icon.png
Issue date: 04/23/1982
From: Mayer L
NORTHERN STATES POWER CO.
To:
Office of Nuclear Reactor Regulation
References
NUDOCS 8204280471
Download: ML20052A573 (1)


Text

Northern States Power Company 414 Nicollet Mall Minneapoks, Minnesota 55401 Telephone (612) 330-5500 Q

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Office of Nuclear Reactor Regulation o-U S Nuclear Regulatory Commission

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Docket Nos. 50-282 License Nos. DPR-42 50-306 DPR-60 Unit 2, Cycle 7 As with Unit 1, Cycle 7, we plan to reload Prairie Island Unit 2 with 40 TOPROD assemblies designed by Exxon Nuclear Company. On the basis of current information, we expect to find no unreviewed safety questions or need for Technical Specification changes for operation of Unit 2 in Cycle 7.

At this time we plan to reload and resume operation under the provisions of 10CFR50.59.

As a result of your review of the use of TOPROD, ENC has submitted a Topical report XN-NF-82-21(P), " Application of Exxon Nuclear Company PWR Thermal Margin Methodology to Mixed Core Configurations" in a letter from C. F. Owsley to J. R. Miller dated March 12, 1982. We request that you reference this Topical report on Docket Numbers 50-282 and 50-306.

We expect that NRC will initiate review of this Topical report at an early date such that if any questions arise, they can be resolved well in advance of the Unit 2 outage that is scheduled for early June, 1982.

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L 0 Mayer, PE Manager of Nuclear Support Services of J

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Regional Admin-III, USNRC l

NRR Project Manager, USNRC l

Resident Inspector, USNRC G Charnoff j

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