ML20196D904

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Requests That Util Address Generic Ltr 88-17 Re Loss of DHR During Nonpower Operation.Industry Response to Generic Ltr 87-12 Deficient in Areas of Prevention of Accident Initiation & Mitigation of Accidents
ML20196D904
Person / Time
Site: Arkansas Nuclear  Entergy icon.png
Issue date: 12/02/1988
From: Murley T
Office of Nuclear Reactor Regulation
To: Maulden J
ARKANSAS POWER & LIGHT CO.
References
GL-87-12, GL-88-17, NUDOCS 8812090229
Download: ML20196D904 (4)


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Docket Nos. 50-313 and 50-368 DEC b'2 Jggg Mr. Jerry L. Maulden President and Chief Executive Officer Arkansas Power and Light Company Post Office Box 551

- Little Rock, Arkansas 72203

Dear Mr. Maulden:

SUBJECT:

LOSS OF DECAY HEAT REMOVAL, ARKAt(SAS HUCLEAR ONE, UNITS 1 AND 2 We have just issued Generic Letter 88-17 which addresses loss of decay heat removal (Di!R)duringnonpoweroperation.

This letter was issued because of the potential serious consequence of loss of shutdown cooling concurrent with significant core decay heat. Further, it is

. cur belief that the industry as a whole has not aggressively responded to resolve the concern following its identification in our earlier Generic Letter 87-12. In particular, the industry's response to the Generic Letter 87-12 was deficient in the areas of (1) prevention of accident initiation, (2) mitiga-  :

tion of accidents before they potentially progress to core damage, and (3) control of radioactive material if a core damage accident should occur.

Generic Letter 88-17 prescribes expeditious actions which should imediately ease the concern; and parallel, but longer term, programmed enhancements which effectively address the root cause of the problems and permit greater flexi-bility in operation.

We consider this issue to be of high priority and request that you assure that

your organization addresses it accordingly.

S teste:ly pigned bg Thc=a3 E. Earley i Thomas E. ?!urley, Director i Office of Nuclear Reactor Regulation cc: See next page i

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4 Docket Nos. 50-313 and 50-368 DEC E 21933 Mr. Jerry L. Maulden President and Chief Executive Officer Arkansas Power and Light Company Post Office Box 551 Little Rock, Arkansas 72203

Dear Mr. Maulden:

SUBJECT:

LOSS OF DECAY HEAT REMOVAL, ARKANSAS NUCLEAR ONE, UNITS 1 AND 2 We have just issued Generic Letter 88-17 which addresses loss of decay heat removal (DHR) during nonpower operation.

This letter was issued because of the potential serious consequence of loss of shutdown cooling concurrent with significant core decay heat. Further, it is our belief that the industry as a whole has not aggressively responded to resolve the concern following its identification in our earlier Generic Letter 87-12. In particular, the industry's response to the Generic Letter 87-12 was deficient in the areas of (1) prevention of accident initiation, (2) mitiga-tion of accidents before they potentially progress to core damage, and (3) cr,ntrol of radioactive material if a core damage accident shou"$ occur.

Ceneric Letter 88-17 prescribes expeditious actions which shouli imediately ease the concern; and parallel, but longer term, programmed enhancements which effectively address the root cause of the problems and permit greater flexi-bility in operation.

We consider this issue to be of high priority and request that you assure that your organization addresses it acc.ordingly.

S Cecetei), pigned by, Thc::asI. Eurley Thomas E. Flurley, Director Office of Nuclear Reactor Regulation cc: See next page DISTRIBU_ TION Docket File PD4 Reading T. Iturley J. Sniezek D. Crutchfield G. Holahan L. Rubenstein J. Calvo P. Noonan C. Harbuck PD4/L PD4/PM S # PD4/Ddid ADR4 DRSP PNoon CHarbuck:sr JCalvo LRubenstein GHolahan 11/l /8d 11/I /88 11/3/88 11N-/88 3 11/jf/88 9

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%*****,f DECE 1988 Docket flos. 50-313 and 50-368 Mr. Jerry L. Mau11en President and Chief Executive Officer Arkansas Power and Light Company Post Office Box 551 Little Rock, Arkansas 72203

Dear Mr. Maulden:

SUBJECT:

LOSS OF DECAY HEAT REMOVAL, ARKAf!SAS NUCLEAR OllE, UNITS 1 Af;D 2 We have just issued Generic Letter 88-17 which addresses loss of decay heat removal (DHR) during nonpower operation.

This letter was issued because of the potential serious consequence of loss of shutdown cooling concurrent with significant core decay heat. Further, it is our belief that the industry as a whole has not aggressively responded to resolve the concern following its identification in our earlier Ceneric Letter 87-12. In particular, the industry's response to the Generic Letter 87-12 was deficient in the areas of (1) prevention of accident initiation, (?) mitiga-tion of accidents before they potentially progress to core damage, and (3) control of radioactive material if a core damage accident should occur.

Generic Letter 88-17 prescribes expeditious actions which should imediately ease the concern; and parallel, but longer term, programmed enhancements which effectively address ti.e root cause of the problems and permit greater flexi-bility in operttion.

We consider this issue to be of high priority and request that you assure that your nrganization addresses it accordingly.

Sincerely,

/

Thomas E. Murley, Director Office of Nuclear Reactor Regulation cc: See next page

o .

o i Mr. Jerry L. Maulden . Arkansar. ?!uclear One President and Chief Executive Officer Unit Nos. I and 2 cc:

Mr. Dan R. Howard, Manager  !!r. Charles B. Brinkman, Manager Licensing Washington Nuclear Operations Arkansas Nuclear One C-E Power Systems P. O. Box 608 7910 Woodmont Avenue Pussellville, Arkansas 72801 Suite 1310 Bethesda, Maryland 20814 Mr. James M. Levine Executive Director Site !!uclear Operations Honorable William Abernathy Arkansas Nuclear One County Judge of Pope County P. O. Box 608 Pope County Courthouse Russellville, Arkansas 72801 Russellville, Arkansas 72801 Nicholas S. Reynolds, Esq. Mr. T. Gene Campbell Bishop Cook, Purcell Vice Fresident, Nuclear

& Reynolds Operat ions 1400 L Street, H.i!. Arkansas Poiar & Light Cortpany Washington, D.C. 20005-3502 P. O. Box 551 Little Rock, Arkansas 72203 Regional Adniinistrator, Regior. IV -

U.S. Nuclear Regulatory Comission Office of Executive Director for Operations 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Senior Resident inspector U.S. Nuclear Regulatory Comission .

I fluelear Plant Road Russellville, Arkansas 72801 Ms. Greta Dicus, Director

! Division of Environmental Health l

Protection Arkansas Department of Health 4815 West Markam Street Little Rock, Arkansas 72201 l

Mr. Robert B. Borsum Babcock & Wilcox Nuclear Power Generation Division Suite 220

1700 Rockville Pike, buite 525 Rockville, Maryland 20852