ML17306B364

Forwards SE Accepting Licensee Actions to Resolve Postulated Rupture in Reactor Coolant Pump Seal Cooler at Plant

ML17306B364
Person / Time
Site:	Palo Verde
Issue date:	03/23/1993
From:	Trammell C Office of Nuclear Reactor Regulation
To:	Conway W ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
Shared Package
ML17306B365	List: ML17306B364 ML17306B366
References
TAC-M85227, TAC-M85228, TAC-M85229, NUDOCS 9303300099
Download: ML17306B364 (4)

Text

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" Docket Nos.

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

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

Box 53999'hoenix,Arizona 85072-3999

Dear Hr. Conway:

March 23, i993

SUBJECT:

POSTULATED RUPTURE IN THE REACTOR COOLANT PUMP SEAL COOLER PALO VERDE NUCLEAR GENERATING STATION (TAC NOS. H85227,

H85228, AND H85229)

By letter dated November 3, 1992, Arizona Public Service Company (APS) provided a status report and' summary of the design modification being implemented to resolve the issue -first described in APS letter of January 18, 1991, wherein a postulated rupture in the reactor coolant pump high pressure seal cooler could result in the discharge of reactor coolant to the atmosphere.

We have completed our review of this matter, including the design change to correct the problem and the associated schedule for implementing the change on each unit at Palo Verde.

We consider the matter acceptably resolved by your

actions, as described in more detail in the enclosed Safety Evaluation.

Corrective action has been completed on Unit 1, as reported in your letter of November 3, 1992.

Since the refueling for Unit 3 has now been completed, it is our understanding from discussions with your staff that corrective action has now been completed on Unit 3.

The design change to Unit 2 will be implemented during the current ongoing refueling.

We request that you report completion of the corrective action for both Units 2 and 3 when the implementation on Unit 2 is complete.

Lmg HQ pggprgg QP~'l Sincerely, Original signed by Charles M. Trammell, Senior Project Manager Project Directorate V

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

Enclosure:

Safety Evaluation cc w/enclosure:

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+~*y4 Docket Nos.

50-528, 50-529 and 50-530 UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 205554001 Harch 23, 1993 Hr. William F.

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

Box 53999

Phoenix, Arizona 85072-3999

SUBJECT:

POSTULATED RUPTURE IN THE REACTOR COOLANT PUHP SEAL COOLER - PALO VERDE NUCLEAR GENERATING STATION (TAC NOS. H85227,

H85228, AND H85229)

By letter dated November 3, 1992, Arizona Public Service Company (APS) provided a status report and a summary of the design modification being implemented to resolve the issue first described in APS letter of January 18,

1991, wherein a postulated rupture in the reactor coolant pump high pressure seal cooler could result in the discharge of reactor coolant to the atmosphere.

We have completed our review of this matter, including the design change to correct the problem and the associated schedule for implementing the change on each unit at Palo Verde.

We consider the matter acceptably resolved by your

actions, as described in more detail in the enclosed Safety Evaluation.

Corrective action has been completed on Unit 1, as reported in your letter of November 3,

1992.

Since the refueling for Unit 3 has now been completed, it is our understanding from discussions with your staff that corrective action has now been completed on Unit 3.

The design change to Unit 2 will be implemented during the current ongoing refueling.

We request that you report completion of the corrective action for both Units 2 and 3 when the implementation on Unit 2 is complete.

Sincerely,

Enclosure:

Safety Evaluation cc w/enclosure:

See next page

/K~v Charles H. Trammell, Senior Project Hanager Project Directorate V

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

Mr. William F.

Conway Arizona Public Service Company Palo Verde CC:

Nancy C. Loftin, Esq.

Corporate Secretary

& 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.

O.

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 8 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