ML20038B594
| ML20038B594 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 11/30/1981 |
| From: | Nichols T SOUTH CAROLINA ELECTRIC & GAS CO. |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML19268A489 | List: |
| References | |
| NUDOCS 8112080420 | |
| Download: ML20038B594 (3) | |
Text
7
/p\\(O SOUTH CAROLINA ELECTRIC a GAS COMPANY K
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cctussia, soura canow:4 eseie November 30, 1981 gO v.c
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Mr. Harold R. Denton, Director 4/,
dr Office of Nuclear Reactor Regulation
'h U. S. Nuclear Regulatory Ccninission
~ N f g' Washmgton, D. C.
20555
Subject:
Virgil C. Sumner Nuclear Station Docket tb. 50/395 Steam Generator Tube Plugging burgin
Dear Mr. Denton:
'Ihe enclosed report provides calculations in accordance with the criteria of Regulatory Guide 1.12i.
It describes the analysis and empirical data used in determining the steam generator tube plugging margin.
Enclosed are:
1.
Five copies of " Steam Generator Tube Plugging Margin Analysis for the Virgil C. Sumnur Nuclear Power Plant Unit Ib.1, " NCAP-9912, Ibvember 1981 (Proprietary).
2.
Five copies of " Steam Generator Tube Plugging Margin Analysis for the Virgil C. Sumner Nuclear Power Plant Unit No.1," NCAP-9989, Novenber 1981 (Non-Proprietary version of ICAP -9912).
Also enclosed are:
a) One (1) original Westinghouse letter CAW-81-79.
b) One (1) copy of Affidavit CAW-81-79.
As this subnittal contains information proprietary to Westinghouse Electric Corporation, it is supported by an affidavit signed by Westinghouse, the caners of the !nformation. 'Ihe affidavit sets forth the basis on which the information may be withheld fran public disclosure by the Ominission and addresses with specificity the considerations listed in Inragraph (b)(4) of Section 2.790 of the catmissions ragulations.
T Accordingly, it is respectfully requested that the infonnation "E
which is proprietary to Westinghouse be withheld fran public Do disclosure in accordance with 10CFR Section 2.790 of the Ormission's o$
regulations. Correspondence with respect to the proprietary aspects Q$
of this application for withholding or the supporting Westinghouse o
affidavit should reference CAW-81-79 and should be addressed to Ocn R. A. Wiesemann, Manager, Pegulatory and Iagislative Affairs, O"
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m Mr. Harold R. Denton NovemM r 30, 1981 Page 2 Westinghouse Electric (brporation, P. O. Box 355, Pittsburgh, Pennsylvania 15230.
In conclusion, this subnittal provides the technical justification for and supports the 55% steam generator tube plugging nurgin as contained in the Virgil C. Su:mTner Nuclear Station Technical Specifications.
Very truly yours, e
T. C. Ni tols, Jr.
RBC:'ICN:lkb Attachments cc:
V. C. Summer (w/o attach.)
G. H. Fischer (w/o attach.)
T. C. Nichols, Jr.
(w/o attach.)
H. N. Cyrus (w/o attach.)
J. C. Ruoff (1 non-prop.)
D. A. Nauman (w/o attach.)
W. A. Williams, Jr.
(1 non-prop.)
R. B. Clary (l prop.)
O. S. Bradham (1 prop.)
A. R. Koon (l prop.)
M. N. Browne (1 prop.)
B. A. Bursey (1 non-prop.)
J. L. Skolds (1 prop.)
J. B. Knotts, Jr.
(1 non-prop.)
G. J. Braddick (w/o attach.)
H. T. Babb (l prop.)
J. B. Cookinham (w/o attach.)
PRS (1 non-prop. & prop.)
NPCF (w/o attach.)
File (l prop.)