ML17304A792

Requests Response to Generic Ltr 88-17 Re Loss of Shutdown Cooling Concurrent W/Significant Core Decay Heat.Industry Response to Generic Ltr 87-12 Deficient in Areas of Prevention of Accident Initiation & Mitigation of Accidents

ML17304A792
Person / Time
Site:	Palo Verde
Issue date:	12/02/1988
From:	Murley T Office of Nuclear Reactor Regulation
To:	Demichele O ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
References
GL-87-12, GL-88-17, TAC-66239, TAC-66240, TAC-66241, NUDOCS 8812150132
Download: ML17304A792 (6)

Text

DEC 2 198S Docket Nos.:

50-528, 50-529 and 50-530 Mr. 0. Mark DeMichele President and Chief Operating Officer Arizona Public Service -Company Post Office Box 1935 Phoenix, Arizona 85004

SUBJECT:

LOSS OF DECAY HEAT REMOVAL DISTRIBUTION NRC

& Local PDRS'D5 Reading GHolahan MVirgi1.io JLee TLChan EJordan BGrimes ACRS (10) g bavlS 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 11) 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 immediately 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 incerely, cc:

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UNITEDSTATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C: 20555 DEC..

R 1988 Docket Nos.:

50-528, 50-529 and 50-530 Mr. 0. Hark DeMichele President and Chief Operating Officer Arizona Public Service Company Post Office Box 1935 Phoenix, Arizona 85004

SUBJECT:

LOSS OF DECAY MEAT REMOVAL 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 (I) 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 immediately ease the concern; and parallel, but longer term, programmed enhancements which effectively address the root cause of the problems and permit greater flexi-bilityy in operation.

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

S incere ly, cc:

See next page Thomas E. Hurley, Director Office of Nuclear Reactor Regulation

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Hr. 0. Mark DeHichele Palo Verde cc-Arthur C. Gehr, Esq.

Snell 5 Wilmer 3100 Valley Center Phoenix, Arizona 85073 Mr. James M. Flenner, Chief Counsel Arizona Corporation Commission 1200 West Washington Phoenix, Arizona 85007 Char les R. Kocher, Esq. Assistant Counsel James A. Boeletto, Esq.

Southern California Edison Company P. 0.

Box 800

Rosemead, California 91770 Hr. Hark Ginsberg Energy Director Office of Economic Planning and Development 1700 West Washington - 5th Floor Phoenix, Arizona 85007 Hr. Wayne Shirley Assistant Attorney, General Bataan Memorial Building Santa Fe, New Mexico 87503 Hr. Tim Polich U.S. Nuclear Regulatory Coamission HC-03 Box 293-NR Buckeye, Arizona 85326 Regional Administrator, Region V

U. S. Nuclear Regulatory Commission 1450 Maria Lane Suite 210 Walnut Creek, California 94596 Ms. Lynn Bernabei Government Accountability Project of the Institute for Policy Studies 1901 Rue Street, NW Washington, DC 20009 Hr. Charles B. Brinkman, Manager Washington 'Nuclear Operations Combustion Engineering, Inc.

7910 Woodmont Avenye Suite 1310 Bethesda,,Maryland 20814

-Hr. Donald B. Karner Executive Vice President Arizona Nuclear Power Project Post Office Box 52034 Phoenix, Arizona 85072-2034

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