ML17324A773

Forwards Proprietary Responses to NRC Questions 4 & 5 Re Rev 1 to XN-NF-85-64(P) Plant Transient Analysis for DC Cook Unit 2 w/10% Steam Generator Tube Plugging. Responses Withheld (Ref 10CFR2.790)

ML17324A773
Person / Time
Site:	Cook
Issue date:	04/17/1986
From:	Ward G SIEMENS POWER CORP. (FORMERLY SIEMENS NUCLEAR POWER
To:	Harold Denton Office of Nuclear Reactor Regulation
Shared Package
ML17324A774	List: ML17324A773
References
GNW:055:86, GNW:55:86, NUDOCS 8604220217
Download: ML17324A773 (4)

Text

REGULA TOR INFORNATION DISTRIBUTION b TEN (R IDS)

ACCESSION NBR: 8604220217 DOC. DATE: 86/04/17 NOTARIZED:, NO DOC/(ET FAC IL: 50-316 AUTH. NANE Donald C. Cook Nuclear Power P I I AUTHOR AFFlL AT ON lant'ni t 2. Ind iana 0 05000316 4lARD> 0. N. Exxon Nuclear Co. i Inc. (subs. of Exxon Cor p. )

RECIP. NANE RECIPIENT AFFILIATION DENTONi H. R. Of f ice of Nuclear Reactor Regulation. Direc tor (post 851125 BUH JECT: Forwards proprietary responses to NRC Guestions 4 8( 5 re Rev 1 to XN-NF-85-64(P) "Plant Transient Analysis f or DC Cook Unit 2 w/10/ Steam Generator Tube Plugging Response withheld (ref 10CFR2. 790).

DISTRIBUTION CODE: PAOID COPIEB RECEIVED: LTR Q ENCL J BITE:

TITLE: Proprietary Review Distribution-Operating Reactor NOTES:

RECIPIENT COP IEB RECIPIENT COP IEB ID CODE/MANE LTTR ENCL jD CODE/NANE LTTR ENCL PLJR-A PD4 PD 05 5 5 4'3 5 INTERNAL ELD/HDB3 R('N3 1

1 0 REQ FILE 02 1 I EXTERNAL: 24X 0 LPDR 1 Q NRC PDR 1 0 TOTAL NUNBER OF COPIEB REGUIRED: LTTR 11 ENCL 7

I E@QN NUCLEAR COMPANY, INC.

2101 HORN RAPIDS ROAD. PO BOX 130, RLCHlAND,IMA99352 (509) 375.8100 TElEX: 15.2878 April 17, 1986 GNW:055:86 Donald C. Cook Nuclear Plant No. 2 Docket No. 50-316 License No. DPR-74 TRANSMITTAL OF RESPONSES TO NRC QUESTIONS IN SUPPORT OF UNIT 2 OPERATION Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C. 20555

SUBJECT:

Transmittal of Responses to NRC guestions Ref.: (1) XN-NF-85-64(P), Rev. 1, "Plant Transient Analysis for D.C.

Cook Unit 2 with 10% Steam Generator Tube Plugging," Exxon Nuclear Company, March 1986 (2) Letter, R.A. Copeland (ENC) to H.R. Denton (NRC), dated November 15, 1985; RAC:070:85 Enclosed are five copies of responses to Numbers 4 and 5 of the NRC questions transmitted April 3, 1986 to American Electric Power Service Corporation (AEPSC) concerning the Reference 1 topical report. This topical report provides support for Cycle 6 operation of the D.C. Cook Unit 2 nuclear power plant. These questions were previously discussed in an April 10, 1986 telephone conversation with AEPSC, NRC and ENC personnel. NRC personnel indicated that the verbal responses to the remaining April 3 questions were acceptable.

At the request of AEPSC, these responses are being transmitted directly to the NRC by Exxon Nuclear. Information contained in the responses is proprietary to Exxon Nuclear Company. The Affidavit provided with the Reference 2 letter provides the necessary information to allow the withholding of the responses from public disclosure as required by 10 CFR 2.790(b).

8b04220217 Sb0417 PDR ADOCK 050 P

yl AN AFFIUATEOF EXXON CORPORATION

If you have any questions regarding this transmittal, please contact Hr. James B. Feinstein of AEPSC at (614) 233-2040.

G. N. Ward, Hanager Reload Licensing gf Enclosure cc: Hr. D. L. Wigginton (NRC)(w/enc.)

Hr. W. Jensen (NRC)(w/enc.)

Hr. H. P. Alexich (AEPSC)