ML030270089

Facsimile Transmission of Issues Discussed in a Conference Call

ML030270089
Person / Time
Site:	Surry
Issue date:	01/27/2003
From:	Gratton C NRC/NRR/DLPM/LPD2
To:	John Nakoski NRC/NRR/DLPM/LPD2
Gratton C, NRR/DLPM 415-1055
References
TAC MB5435, TAC MB5436
Download: ML030270089 (3)

Text

January 27, 2003 MEMORANDUM TO: John A. Nakoski, Chief, Section 1 Project Directorate II Division of Licensing Project Management Office of Nuclear Reactor Regulation FROM: Christopher Gratton, Sr. Project Manager, Section 1 Project Directorate II /RA/

Division of Licensing Project Management Office of Nuclear Reactor Regulation

SUBJECT:

SURRY POWER STATION, UNITS 1 AND 2 - FACSIMILE TRANSMISSION OF ISSUES DISCUSSED IN A CONFERENCE CALL (TAC NOS. MB5435 AND MB5436)

A facsimile of the attached questions was transmitted on January 16, 2003, to Mr. Gary Miller of Virginia Electric and Power Company. The questions supported a conference call with the licensee held on January 21, 2003, regarding the licensees submittal dated June 13, 2002.

In their submittal, the licensee proposed to allow the use of the Studsvik Core Management System in the reload design process. This memorandum and the attached questions do not convey or represent an NRC staff position regarding the licensees request.

Docket Nos. 50-280 and 50-281

Attachment:

Request for Additional Information CONTACT: Christopher Gratton, NRR (301) 415-1055

ML030270089 OFFICE PM/PD2-1 LA/PD2-1 SC/PD2-1 NAME CGratton EDunnington JNakoski DATE 1/24/03 1/24/03 1/24/03 REQUEST FOR ADDITIONAL INFORMATION RELATING TO PROPOSED AMENDMENTS TO LICENSE NOS. DPR-32 AND DPR-37 VIRGINIA ELECTRIC AND POWER COMPANY SURRY POWER STATION, UNITS 1 AND 2 DOCKET NOS. 50-280 AND 50-281 The following questions pertain to Table 4, page 26, of Attachment 1 to your submittal dated June 13, 2002:

1. Please provide a worked example showing how the tolerance limit was calculated for the parametric case. For example, show how the tolerance limit of [4.1%] was obtained.

2. Please provide a worked example showing how the tolerance limit was calculated for the non-parametric case. For example, show how the tolerance limit of [-3.1%] was obtained.

3. Why is the tolerance limit for the first block (w-prime) higher than the mean, whereas it is lower for the second and third blocks?

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