ML20059E334

Advises That 881220 & 900822 Responses to NRC Bulletin 88-004, Potential Safety-Related Pump Loss Acceptable

ML20059E334
Person / Time
Site:	Summer
Issue date:	08/31/1990
From:	Hayes J Office of Nuclear Reactor Regulation
To:	Bradham O SOUTH CAROLINA ELECTRIC & GAS CO.
References
IEB-88-004, IEB-88-4, TAC-69978, NUDOCS 9009100146
Download: ML20059E334 (3)

Text

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kVu I i NUCLEAR RECULATORY COMMISSION l i e WASHINGTON, D. C. 20M6  !

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August 31, 1990 ,

l Docket No. 50-395 l t

l i Mr. O. S. Bradham Vice President, Nuclear Operations ,

South Carolina Electric & Gas Co. i I

Virgil C. Sunner Nuclear Station ,

P. O. Box 88  ;

Jenkinsville, SC 29065  ;

SUBJECT:

RESPONSE TO NRC BULLETIN 88-04 FOR THE V.C. SUMMER NUCLEAR STATION,UNITNO.1(TAC 69978)

On May 5,1988, the NRC staff issued NRC Bulletin 88-04, " Potential Safety-Related l Pump Loss." The bulletin requested the evaluation of all safety-related pumps for 1) pump-to-pump interaction during miniflow operation that could result in I

dead-heading'of one or more of the pumps and 2) the adequacy of the minimum flow bypass lines with respect to damage resulting from operation and testing ,

in the minimum flow mode. The bulletin also requested that within 60 days of ,

receipt of the bulletin that the licensees ptovide a written response that (a) summarizes the problems and the systems affected, b) identifies the short-term and long-term modifications to plant operating procedures or hardware that have been or are being implemented to ensure safe plant operations, (c) identifies an appropriate schedule for long-term resolution of this and/or other  :

significant problems that are identified as a result of this bulletin, and (d) '

provides ,iustification for continued operation particularly with regard to General Regulations Desig{n 10 CFR Criterion Part 50),35 of Appendix

" Emergency A to Core Title 10 Cooling" of10 and theCFRCode of Federal 50.46, *

" Acceptance Criteria for Em(<rgency Core Cooling Systems for Light Water Nuclear Power Reactors." Additionally, the staff requested that within 30 days of completion of the long-term resolution actions, that licensees provide a written response describing the actions taken. -

By letters dated December 20, 1988 and August 22, 1990, you responded to Bulletin 88-04. Your response provided the information requested in a, b, c, )

and d above. Your response also described the long term resolution actions and identified a completion date of the fifth refueling outage scheduled for 1990 for those actions. This fulfills your requirement in responding to Bulletin 88-04.

9009100146 900831 I PDR ADOCK 05000395. I P PNU fD h l

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0. S. Bradham -2 August 31, 1990 As discussed in Bulletin 88-04, you should document and maintain for at least two years an evaluation of your actions in responding to the bulletin. These ,

records may be subject to future auditing.

Sincerely.

Orignal signed by:

John J. Hayes, Project Manager Project Directorate 11-1 Division of Reactor Projects - I/I!

Office of Nuclear Reactor Regulation cc: See next page DISTRIBUTION:

Docket file NRC PDR Local PDR

5. Varga, 14/E/4 G. Lainas, 14/H/3 E. Adensam, 14/B/20 J. Hayes 14/8/20 E. Jordan MNBB-3302 ACRS(10),,P-315 D. Vere 111, RII Suniner File OFC M D: 1  :  :  :

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NAME :PAh h .V p' f :E sam  :  :  :

OFFICIAL RECORD COPY Document Name: LETTER TO BRADHAM

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,. ? *a Mr. O. S. Bradham South Carolina Electric & Gas Company Virgil C. Summer Nuclear Station i

cc: i Nr. R. V. Tanner Executive Vice President S.C. Public Service Authority P. O. Box 398)

Moncks Corner, South Carolina 29461-0398 '

J. B. Knotts, Jr., Esq.

Bishop, Cook, Purcell  ;

and Reynolds '

1400 L Street, N.W. .

Washington, D. C. 20005-3502 '

Resident Inspector /Sumer NPS c/o U.S. Nuclear Regulatory Comission Route 1, Box 64 Jenkinsville, South Carolina 2 65 Regional Administrator, Region 11  ;

U.S.' Nuclear Regulatory Comission, 101 Marietta Street, N.W., Suite 2900 '

Atlanta, Georgia 30323 '

Chairman, Fairfield County Council ,

P. O. Box 293 Winnsboro, South Carolina 29180 Mr. Heyward G. Shealy, Chief Bureau of Radiological Health South Carolina Department of Health and Environmental Contro) 2600 Bull Street Columbia, South Carolina 29201 South Carolina Electric & Gas Company l Mr. A. R. Koon, Jr. , Manager i Nuclear Licensing )

Virgil C. Sumer Nuclear Station P. O. Box 88 Jenkinsville, South Carolina 29065

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