1CAN069202, Informs of Completion of Initial Activities for GL 89-13 Re Svc Water Sys Problems Except for One Exception Involving Reactor Bldg Cooler Heat Transfer Testing Conducted During 1R10

Informs of Completion of Initial Activities for GL 89-13 Re Svc Water Sys Problems Except for One Exception Involving Reactor Bldg Cooler Heat Transfer Testing Conducted During 1R10

ML20097F474
Person / Time
Site:	Arkansas Nuclear
Issue date:	06/08/1992
From:	James Fisicaro ENTERGY OPERATIONS, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
1CAN069202, 1CAN69202, GL-89-13, NUDOCS 9206150321
Download: ML20097F474 (2)

Text

- - - _ _ _ _ _ _ - _ - _.

s

{g{pg Entargy opsrsuone,Inc.

Operations

~

June 8, 1992 1CAN069202 U. S. Nuclear Regulatory Commission Document Control Desk Mail Station F1-137 Washington, DC 20555

Subject:

Arkansas Nuclear One - Unit 1 Docket No. 50-313 License No. DPR-51 Completion of ANO-1 Initial Activities for Generic Letter 89-13; Service Water System Problems Gentlemen:

Generic Letter 89-13;

" Service Water System Problems Affecting Safety-Related Equipment" was issued on July 18, 1989 (0CNA078932) which required licensee response under 10CFR50.54(f) on the means for compliance with the recommendations of the generic letter.

The Arkansas Nuclear One, Unit 1 (ANO-1) response was a combined response with Unit 2 as contained in letter dated January 26, 1990 (0CAN019012).

Additional ANO-1 responses and clarifications were contained in Entergy Operations' correspondence dated July 2,

1990 (OCAN079005),

November 30, 1990 (ICAN119010),

October 3,

1991 (OCAN099110),

and March 20, 1992' (ICANO39209).

Generic Letter 89-13 also required that each licensee confirm that the agreed upon actions have been completed within 30 days of_ such implementation.

Therefore, in response to this requirement, Entergy Operations hereby confirms that the initial tests and activities described in our correspondence to Generic Letter 89-13 have been completed for ANO-1.

With one exception, the results of the ANO-1 testing provided acceptable data for future trending.

In addition, continuing programs have been established as part of the ANO Service Water Integrity Program.

Specific component retest and trending procedures will be developed from the initial test program.

• no?

-vo m g V

0 9206150321 920608 j

PDR ADOCK 05000313

, i g

p PDR

4

.r-

<U.

S.'NRC June 8, 1992 Page 2 4

The exception involved the ANO-1 Reactor Building cooler heat transfer testing conducted during. 1R10.

The -testing provided unusable - test results to the extent of our January 26 1990 program commitment for full heat transfer trending.

.These coolers had new cooling coils installed during this outage, but due te. insuf ficient heat-loads, the test' data indicated an unrealistic fouling #ector.

Results obtained on other air-to-water heat exchangers also indicated -similar difficulty for obtaining effective data.

However, the test data does provide sufficient results to meet the heat transfer capability test guidelines recommended in Enclosure 2 to the generic letter.

Therefore, ANO has met the recommended actions prescribed by:the generic letter.

This exception was discussed with Tom Alexion, NRv us0-1 Project Manager.

Entergy ~ Operations will modify - the ANO program to include additional testing and trending options contained in Enclosure 2 to Generic Letter 89-13 and will revise our current commitment with the NRC in-subsequent

. correspondence.

Please contact me if you require any additional information.

Very truly yours,

-pf ames J. Fisicaro Director, Licensing

' JJF/S AB/ sj f cc Mr.-Robert Martin U. S. Nuclear Regulatory Commission-Region IV' 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-8064 NRC' Senior Resident inspector Arkansas Nuclear One - ANO-1 & 2-Number 1,. Nuclear Plant Road Russellville, AR-72801 Mr. Thomas W. Alexion NRR Project Manager, Region IV/ANO-1 U. S. Nuclear hegulatory Commission NRR Mail Stop-13-H-3.

One White Flint North 11555 Rockville Pike

.Rockville, Maryland 20852 Ms. Sheri Peterson NRR Project Manager, Region IV/ANO-2 U. S. Nuclear Regulatory Commission NRR Mail Stop 13-H-3 One White Flint North 11555 Rockville Pike Rockville, Maryland 20852

_ _ _ _ _ _ _ _ _ - _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _