ML030650694

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E-mail from D Jaffe to Cl Blaire Re. TS Amendment on Revising Safety Limit Minimum Critical Power Ratio (SLMCPR) Values in TS 2.1.1.2
ML030650694
Person / Time
Site: Cooper Entergy icon.png
Issue date: 02/11/2003
From: Jaffe D
NRC/NRR/DLPM/LPD4
To: Blaire C
Nebraska Public Power District (NPPD)
Jaffe D, NRR/DLPM, 415-1439
Shared Package
ML030640090 List:
References
TAC MB6816
Download: ML030650694 (5)


Text

E*C:\WlNDOWS\I'EMP\GW}OOOO1.TMP Paqe Paqe 1111 CAWINDOWS\TEMP\GWIOOOQ1 .TMP Mail Envelope Properties (3E491EF3.D6F: 21: 21114)

Subject:

Fwd: RAI for Cooper TS Amentment Creation Date: 2/11/03 11:04AM From: David Jaffe Created By: DHJ@nrc.gov Recipients Action Date & Time NPPD.Com Transferred 02/11/03 11:04AM C1Blaire (CIBlaire@NPPD.Com)

Post Office Delivered Route NPPD.Com Files Size Date & Time Mail MESSAGE 468 02/11/03 11:04AM Options Auto Delete: No Expiration Date: None Notify Recipients: No Priority: Standard Reply Requested: No Return Notification: None Concealed

Subject:

No Security: Standard To Be Delivered: Immediate Status Tracking: Delivered & Opened

Davýid Jaffe - Fwd: RAI for Coo9per TS Amentment Page 1.

From: David Jaffe To: CIBlaire@NPPD.Com Date: 2/11/03 11:04AM

Subject:

Fwd: RAI for Cooper TS Amentment Please call me. Thanks

Da6vid Jaffe - EA! for Coopeýr TS Ament~ment Page 9- 1 From: Tai Huang To: David Jaffe Date: 2/11/03 10:38AM

Subject:

RAI for Cooper TS Amentment CC: RXC

r'acle ] I I lnn-r I-qff,- - CPR(COWOPF~r9- RAIwn -a1 MEMORANDUM FOR: David H. Jaffe, Project Manager Project Directorate IV-1 Division of Licensing Project Management FROM: Ralph Caruso, Chief BWR Systems and Nuclear Performance Section Reactor Systems Branch Division of Systems Safety and Analysis

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION RELATED TO COOPER LICENSE AMENDMENT FOR SAFETY LIMITS MINIMUM CRITICAL POWER RATIO (TAC NO. MB6816)

Plant Name: Cooper Nuclear Station Utility: Nebraska Public Power District TAC No(s).: MB6816 Docket No(s).: 50-298 Operating License: DPR-46 Project Directorate: Project Directorate IV-1 Project Manager: David Jaffe Review Branch: SRXB/DSSA Review Status: Incomplete By letter dated November 15, 2002, Nebraska Public Power District made application to amend the Technical Specifications (TS) of the Cooper Nuclear Station. The proposed change includes revising the safety limit minimum critical power ratio (SLMCPR) value in TS 2.1.1.2.

The Reactor Systems Branch has reviewed the licensee's amendment request and prepared the attached request for additional information. Please transmit to the licensee.

Attachment:

AS stated cc:

G. Holahan J. Zwolinsky

Contact:

T. Huang, SRXB/DSSA 415-2867

I David Jaffe - CPRCOOPERC22_RAI.wpd Page 2 Page 21 David Jaffe CPRCOOPERC22_RAI.wpd ATTACHMENT 1 REQUEST FOR ADDITIONAL INFORMATION RELATING TO AMENDMENT NO. TO LICENSE NO. DPR-46 NEBRASKA PUBLIC POWER DISTRICT COOPER NUCLEAR STATION DOCKET NO. 50-298 The staff has reviewed the Technical Specifications amendment request dated November 15, 2002, and identified question to be clarified by the licensee in relation to the information stated in Enclosure 2 of the submittal.

1. Describe detailed core design process including approved methods used, based on a plant/cycle specific parameters, to model the unfavorable bias for those bundle that are top-peaked power shape through the entire cycle operation. Also, provide a Table to show net adjustment to SLMCPR for both dual loop operation and single loop operation including BOC, MOC and EOC if applicable.