ML20137D896

Forwards Supplement 7 to 970129 License Amend Request Re Cooling Water Sys Emergency Intake Design Bases

ML20137D896
Person / Time
Site:	Prairie Island
Issue date:	03/20/1997
From:	Sorensen J NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20137D901	List: ML20137D896 ML20137D904
References
NUDOCS 9703260338
Download: ML20137D896 (2)

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i i Northern states Power Company l 1717 Wakonade Dr. E.

Welch, MN 55089

Telephone 612-388-1121 1

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March 20,1997 10 CFR Part 50 l Section 50.90 l i

U S Nuclear Regulatory Commission Attn: Document Control Desk )

Washington, DC 20555  !

PRAIRIE ISLAND NUCLEAR GENERATING PLANT l Docket Nos. 50-282 License Nos. DPR-42 50-306 DPR-60 Supplement 7 to License Amendment Request Dated January 29,1997 Amendment of Coolina Water System Emeraency Intake Desian Bases 1

l This letter is submitted to supplement the subject license amendment request i pursuant to discussions with the NRC Staff. As discussed in Supplement 5, operator l response to a seismic event is guided by the plant earthquake procedure. Recently, i changes have been made to this procedure to address the cooling water emergency )

intake line unreviewed safety question. Attachment 1 contains the approved, signed l Prairie Island earthquake procedure, AB-3, Revision 12 which includes these recent changes. Based on our discussions, the NRC Staff recognizes that this procedure, like other plant procedures, may be revised in accordance with our internal procedure change process.

A revised Safety Evaluation, Significant Hazards Determination and Environmental )

Assessment have not been submitted since these evaluations, as originally presented in the January 29,1997 submittal, continue to bound the proposed license amendment as supplemented.

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, USNRC

! 3/20/97 l Page 2 of 2 If yo'u'have any questions related to this supplement to the subject license j , amendment request, please contact myself or Dale Vincent at 612-388-6758.  :

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l Joel P. Sorensen Plant Manager, Prairie Island Nuclear Generating Plant Attachment 1: Procedure, AB-3, Earthquakes, Revision 12 c: Regional Administrator-Ill, NRC NRR Project Manager, NRC Senior Resident inspector, NRC State of Minnesota Attn: Kris Sanda l

J E Silberg l

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