ML20150F254

Forwards Application for Amends to Licenses DPR-42 & DPR-60, Changing Peaking Factors Per Upper Plenum Injection Best Estimate LOCA Program.Fee Paid

ML20150F254
Person / Time
Site:	Prairie Island
Issue date:	07/05/1988
From:	Musolf D NORTHERN STATES POWER CO.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
Shared Package
ML20150F258	List: ML20150F254 ML20150F259 ML20150F265 ML20150F277 ML20150F281
References
NUDOCS 8807180202
Download: ML20150F254 (2)

Text

' ,l Northem States Power Company 414 Nicollet Mall Minneapoks. Minnesota 55401 Telephone (612) 330 5500 July 5, 1988 10 CFR Part 50 Section 50.90 Director of Nuclear Reactor Regulation U S Nuclear Regulatory Commission Attn: Document Control Desk Washington, D C 20555 PPAIRIE ISIAND NUCLEAR GENERATING PIANT Docket Nos. 50-282 License Nos. DPR-42 50-306 DPR-60 License Amendment Request Dated July 5,1988 Best Estimate LOCA Analysis Attached is a request for a change to the Technical Specifications, Appendix A of the Operating Licenses, for the Prairie Island Nuclear Generating Plant. This request is submitted in accordance with the provisions of 10 CFR Part 50, Section 50.90. A check is attached in the amount of $150.00 in accordance with the requirements of 10 CFR Part 170 for the amendment applicatien fee.

This License Amendment Request proposes changes to peaking factors in accordance with the upper plenum injection (UPI) Best Estimate LOCA Program. This program began in 1985 and has been developed to resolve NRC Staff concerns with the modeled location of the low head ECCS inj ec tion paths . The model developed by the UPI Best Estimate LOCA Program has the low head ECCS water being injected into the upper plenum of the reactor vessel reflecting the actual design of the two-loop Westinghouse reactors installed in Prairie Island Units 1 and 2.

The approval of this UPI Best Estimate LOCA Progra} is needed to sup-port operation of Unit 1 Cycle 13. Inis progran: has been submitted to the NRC Staff by Westinghouse Electric Corporatio and is referenced in Exhibit D. Unit 1 Cycle 13 is scheduled to be in on September 28, 1988.

Exhibit A describes the proposed changes, provide: the reasons for the changes and provides the supporting safety evaluation /significant hazards determination. Exhibit B contains the proposcd changes marked f00g 8l VJ CW 8807180202 680705 PDR ADOCK 05000282 P PDC ,

be  : ,

v-LDirector of NRR: Northem States Power Company

July.5,-1988 Page 2 ,

up on the existing Technical Specification pages. Exhibit C contains the revised Technical Specification pages. Exhibits D and E contain supporting documentation.

Please contact us 'if you have any questions related to this License Amendment Request.

DDavid.Musolf 3 %.

. Manager - Nuclear Support Services DKM/TMP/tp c: Regional Administrator-III, NRC NRR Project Manager, NRC Resident-Inspector, NRC MPCA-Attn: J W Ferman G Charnoff Attachments:

i l Affidavit and Check for $150.00 payable to U S Nuclear Regulatory Commission l

Exhibit.A Evaluation of Proposed Changes to the Technical Specifications Exhibit B - Proposed Changes Marked Up on Existing Technical Specification Pages Exhibit C - Revised Technical Specification Pages l- Exhibit D - Safety Evaluation of Increased FQ and E6H, NSPNAD 8705 Revision 1 Exhibit E Demonstration of the Conformance of Prairie Island Units 1 and 2 to Appendix K and 10CFR50.46 for Large Break LOCAs I

l.