ML17325A620

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Advises That Util Intends to Operate Reactor within Bounds of Existing Tech Spec Curves Although Swri Test Results for Capsules X & Y Heatup & Cooldown Curves Show Slight Conservative Difference.No Tech Spec Change Will Be Sought
ML17325A620
Person / Time
Site: Cook 
Issue date: 02/18/1988
From: Alexich M
AMERICAN ELECTRIC POWER SERVICE CORP.
To: Murley T
NRC, NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
AEP:NRC:0894J, AEP:NRC:894J, NUDOCS 8802220363
Download: ML17325A620 (4)


Text

I REGULAT Ii.

INFORMATION DISTRIBUTION

~TEM (RIDS) rr'CCESSION NBR: 8802220363 DOC. DATE'8/02/18 NOTARIZED:

NO DOCKET FACIL: 50-316 Donald C.

Cook Nuclear Poeer Planti Unit 2i

. Indiana 5

05000316 AUTH. NAME AUTHOR AFFILIATION ALEXICH> M. P.

American Electric Poeer Co. I Inc.

RECIP. NAME RECIPIENT AFFILIATION MURLEY> T. E.

Document Control Branch (Document Control Desk)

SUBJECT:

Discusses reactor vessel matl surveillance rept re Capsule X Tech Spec heat-up 5 cool doUjn curves. Difference in data beteeen test results of Capsule X

8.

Y, negligible.

DISTRIBUTION CODE:

AOOID COPIES RECEIVED: LTR i ENCL 0 SIZE:

TITLE:

OR Submittal:

General Distribution NOTES:

REC IP IENT ID CODE/NAME PD3-3 LA NIGGINGTONI D COPIES LTTR ENCL RECIPIENT ID CODE/NAME PD3-3 PD COPIES LTTR ENCL INTERNAL: ARM/DAF/LFMB NRR/DEBT/CEB8H7 NRR/DEST/RSB 8E LRB12 EG FI 01 NRR/DEST/ADS7E4 NRR/DEBT/MTB 9H NRR/DOE*/TSB11F OQC 15-B-18 RES/DE/EIB EXTERNAL: LPDR NSIC NRC PDR TOTAL NUMBER OF COPIES REQUIRED:

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American Electric Power Service Corporation 1 Riverside Plaza Columbus, OH 43215 614 2231000 AEP:NRC:0894J Donald C.

Cook Nuclear Plant Unit 2 Docket No. 50-316 License No.

DPR-74 REACTOR VESSEL MATERIAL SURVEILLANCE REPORT CAPSULE X T/S HEAT-UP AND COOLDOWN CURVES U.S. Nuclear Regulatory Commission Attn:

Document Control Desk Washington, D.C.

20555 Attn:

T.

ED Murley February 18, 1988

Dear Dr. Murley:

J I

In our submittal AEP:NRC:0894I dated June 26, 1987 we submitted the Reactor Vessel Material Surveillance Reports for the Donald C.

Cook Nuclear Plant Unit No.

2.

That report was prepared. by

.Southwest Research Institute (SWRI) based on the test. results for Capsule X.

The current T/S heat-up and cooldown curves are based on Capsule Y test results.

As shown in Figures 11 and 12 of the SWRI report, the difference in data between the test results of Capsule X and Capsule Y is negligible'ince the Capsule Y

results are slightly more conservative than the Capsule X results, we intend to operate the plant within the bounds of the existing technical specification curves and are not planning to seek a

technical specifications change.

This document has been prepared following Corporate procedures which incorporate a reasonable set of controls to ensure its accuracy and completeness prior to signature by the undersigned.

Sincerely, M. P. Alex ch Vice'President cm cc:

D. H. Williams, Jr.

W.

G. Smith, Jr.

- Bridgman R.

C. Callen G. Bruchmann G. Charnoff A. B. Davis, NRC Region III NRC Resident Inspector

- Bridgman 880222OiiS SSO2i8 Z

PDR ADOCK 05000316,,'

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