ML20128E827

Lists Items Completed During dual-unit Outage,Including Implementation of Station Blackout Rule,Nrc Bulletin 88-011 Re Pressurizer Surge Line Thermal Stratification & Bulletin 89-001 Re Failure of Westinghouse SG Tube Mechanical Plugs

ML20128E827
Person / Time
Site:	Prairie Island
Issue date:	02/02/1993
From:	Parker T NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
IEB-88-011, IEB-88-11, IEB-89-001, IEB-89-1, TAC-M68588, TAC-M68589, TAC-M72157, TAC-M81650, TAC-M83385, TAC-M83386, NUDOCS 9302110095
Download: ML20128E827 (2)

Text

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i Northern States Power Company 414 Nicollet Mall Minneapoks, Minnesota 55401 Telephone (612) 330-5500 February 2, 1993 U S Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 l

PRAIRIE IS1AND NUCLEAR GENERATING PLANT Docket Nos. 50-282 License Nos. DPR 42 50 306 DPR-60 Outare Undate In January, we completed a dual-unit outage.

During the outage we completed a number of projects.

Some of these projects fulfill actions about which we; had corresponded with you, The following items of interest have been completed, as noted, 1

IASK IQ SUBJECT STATUS M68588/

Prairie Island 1/2 The modifications necessary to 68589 Implementation of the bring Prairie Island Units 1 and 2-Station Blackout Rule, into compliance with the Station 10CFR50.63 Blackout Rule, 10CFR50.63, have now been completed, M72157-Prairie Island 1 Bulletin The modification has been completed 88-11 Pressurizer Surge which satisfies the Bulletin Line Thermal requirements.

Stratification M81650 Prairio Island 1 -

All steam generator near-term Bulletin 89-01, Supplement susceptible mechanical plugs 2: Failure of Westinghouse addressed by the Bulletin have been SG Tube Mechanical ~ Plugs

. removed, The next plug removal is not required before the year 2007, M83385/

Prairie Island 1/2 - Code The. corroded piping discussed in 83386 Relief for Cooling Water the Code relief request has been Piping replaced or, where replacement was impractical, wall thickness was-built up by weld overlay.

This letter provides status of several projects but contains no new commitments.

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US NRC.

February 2',

1993

-.Page 2=of 2:

- Picase contact Jack Leve111e (612-3881121, Ext. 4662)'if you have any questions r e ed to this letter.

f maw hom M arker

= Director Nuclear Licensing c: Regional Administrator - Region III, NRC Senior Resident Inspector, NRC NRR Project Manager, NRC l

J E Silberg 5l

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