ML17306A850

Forwards Supplemental Safety Evaluation for Station Blackout for Facility.Requests Revision of Commitment to Include Load Test During Operability Test within 30-days

ML17306A850
Person / Time
Site:	Palo Verde
Issue date:	07/28/1992
From:	Trammell C Office of Nuclear Reactor Regulation
To:	Conway W ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
Shared Package
ML17306A851	List: ML17306A850 ML17306A852
References
TAC-M68579, TAC-M68580, TAC-M68581, NUDOCS 9208030151
Download: ML17306A850 (6)

Text

July 28, 1992 Docket Nos.

50-528, 50-529 and 50-530 Hr. William F.

Conway Executive Vice President, Nuclear Arizona Public Service Company P.O.

Box 53999

Phoenix, Arizona 85072-3999

SUBJECT:

SUPPLEHENTAL SAFETY EVALUATION FOR STATION BLACKOUT, PALO VERDE NUCLEAR GENERATING STATION (TAC NOS.

H68579, H68580 AND H68581)

On February 11,

1992, we transmitted to you the NRC staff's Safety Evaluation pertaining to your responses to the Station Blackout Rule,,

10 CFR 50.63.

We found your proposed method of coping with a station blackout to be acceptable subject to the satisfactory resolution of the recommendations presented in the Safety Evaluation.

By letter dated Harch 20,

1992, you provided your response to these recommendations.

As explained in more detail in the enclosed Supplemental Safety Evaluation (SSE),

we find your response to be acceptable, except for the 3-month operability test of the alternate AC sources.

We request that you revise your commitment to include a load test during this operability test.

APS should determine the load and duration of this test.

We request that you respond within 30 days of your receipt of this letter.

Satisfactory resolution of this item will complete NRC's regulatory assessment of station blackout for Palo Verde.

Sincerely, Original signe4 bbr M(F(C RILE CMTMKPV Charles H. Trammell, Senior Project Hanager Project Directorate V

Division of Reactor Projects III/IV/V Office of Nuclear Reactor Regulation

Enclosure:

Supplemental Safety Evaluation cc w/enclosure:

See next page DI STIR BUTION:

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UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555 July 28, 1992 Docket Nos. 50-528, 50-529 and 50-530 Hr. William F.

Conway Executive Vice President, Nuclear Arizona Public Service Company P.O.

Box 53999

Phoenix, Arizona 85072-3999

SUBJECT:

SUPPLEHENTAL SAFETY EVALUATION FOR STATION BLACKOUT, PALO VERDE NUCLEAR GENERATING STATION (TAC NOS.

H68579, H68580 AND H68581)

On February 11,

1992, we transmitted to you the NRC staff's Safety Evaluation pertaining to your responses to the Station Blackout Rule, 10 CFR 50.63.

We found your proposed method of coping with a station blackout to be acceptable subject to the satisfactory resolution of the recommendations presented in the Safety Evaluation.

By letter dated Harch 20,

1992, you provided your response to these recommendations.

As explained in more detail in the enclosed Supplemental Safety Evaluation (SSE),

we find your response to be acceptable, except for the 3-month operability test of the alternate AC sources.

We request that you revise your commitment to include a load test during this operability test, APS should determine the load and duration of this test.

We request that you respond within 30 days of your receipt of this letter.

Satisfactory resolution of this item will complete NRC's regulatory assessment of station blackout for Palo Verde.

Enclosure:

Supplemental Safety Evaluation Sincerely, C~Z~ t'ai. y,~

Charles H. Trammell, Senior Project Manager Project Directorate V

Division of Reactor Projects III/IV/V Office of Nuclear Reactor Regulation cc w/enclosure:

See next page

I

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Mr. William F.

Conway Arizona Public Service Company Palo Verde CC:

Nancy C. Loftin, Esq.

Corporate Secretary 5 Counsel Arizona Public Service Company P. 0.

Box 53999, Mail Station 9068

Phoenix, Arizona 85072-3999 James A. Beoletto, Esq.

Southern California Edison Company P. 0.

Box 800

Rosemead, California 91770 Senior Resident Inspector U.S. Nuclear Regulatory Commission 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 Mr. Charles B. Brinkman, Manager Washington Nuclear Operations ABB Combustion Engineering Nuclear Power 12300 Twinbrook Parkway, Suite 330 Rockville, Maryland 20852 Mr. William A. Wright, Acting Director Arizona Radiation Regulatory Agency 4814 South 40 Street

Phoenix, Arizona 85040 Chairman Maricopa County Board of Supervisors 111 South Third Avenue

Phoenix, Arizona 85003 Jack R.

Newman, Esq.

Newman

& Holtzinger, P.C.

1615 L Street, N.W., Suite 1000 Washington, D.C.

20036 Curtis Hoskins Executive Vice President and Chief Operating Officer Palo Verde Services 2025 N. 3rd Street, Suite 220

Phoenix, Arizona 85004 Roy P.

Lessey, Jr.,

Esq.

Bradley W. Jones, Esq.

Arkin, Gump, Strauss, Hauer and Feld El Paso Electric Company 1333 New Hampshire Ave., Suite 400 Washington, D.C.

20036

I l

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