ML20204J243

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Forwards Details of Changes to Whipjet Program Rept, Including Clarifications & Reanalysis of Some Fracture Mechanics Calculations,Resulting in Data Somewhat Different than Data Transmitted in Rept by .W/O Rept
ML20204J243
Person / Time
Site: Beaver Valley
Issue date: 02/13/1987
From: Sieber J
DUQUESNE LIGHT CO.
To: Harold Denton, Tam P
Office of Nuclear Reactor Regulation
References
2NRC-7-029, 2NRC-7-29, TAC-62883, NUDOCS 8810250056
Download: ML20204J243 (2)


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vM 2NRC-7-029

/ (412)6415200 sV Beever Valley No. 2 Unit Prorect oresaisation feiecooy (412) 6455200 Est.160

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$e,",$"' February 13, 1987 SNppin sport. P A 15077 M C. -

Mr. Harold R. Denton L.

Of fice of Nuclear Reactor Regulation _$ -

United States Nuclear Regulatory Cornnission Washington, DC 20555 I

ATTENTION: Mr. Peter Tam, Project Manager l Division of PWR Licensing - A i l Of fice of Nuclear Reactor Regulation

SUBJECT:

Beaver Valley Power Station - Unit No. 2 Docket No. 50-412

! WHIPJET Program Report I

REFERENCE:

Letter 2NRC-7-021 from J. J. Carey (OLC) to H. R. Denton (NRC) cated Feoruary 2, 1987.

Gentlemen:

Tne' WHIPJET Progran Report was transmi tted via the above referenced kO') letter. Subsequently NRC staff have evaluated the report and various telephone i conversations between NRC Staff and DLC haya identified questions for clarifi- ,

cations and subsequent reanalysis of some fracture mechanics calculations wtiich l resul ted in oata somewnat different fran those provided in Reference 1. Tne j results are still within acceptable margins. l l

The oetails of these change; are provided in the atta:hments to this letter.

Please note that Appendix B of the WHIPJET Program Report contains proprietary infonnation as stated in the referenced letter.

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//d f.' Ut kM 8810250056 870213 F'DR P A00CN 05000412 F DC L .__

.s United States Nuclear Regulatory Conmission Mr. Harolo R. Denton, Director WHIPJET Progr e Report Page 2 ,

i It is our understandi'ig. t5cse clarifications and modifications pemit an expedited issue of the SER for the WHIPJET Progran. A conplete WHIPJET Progro l Report incorporating all thet,e changes will be issued af ter the receipt of tne ,

SER. l DUQUESNE LIGHT COMPANY l l

By 4 ----

J. D. Sieoer  ;

'e President Nuclear j JJS/ijr JJS/ WHIP JE T i Att ent l AR/

4 cc: Nr. P. Tan, Project Manager Mr. J. Beall, NRC Sr. Resident Inspector l INP0 Receros Center NRC Document Control Desk j i

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