ML20141J950

Forwards Insp Repts 50-361/97-08 & 50-362/97-08 on 970421-25 & Nov.Insp Identified One Violation Re Failure to Adhere to Measures Established to Minimize welding-induced Sensitization of Steel

ML20141J950
Person / Time
Site:	San Onofre
Issue date:	05/23/1997
From:	Howell A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:	Ray H SOUTHERN NUCLEAR OPERATING CO.
Shared Package
ML20141J955	List: ML20141J950 ML20141J976 ML20141J989
References
50-361-97-08, 50-361-97-8, NUDOCS 9705280268
Download: ML20141J950 (5)

See also: IR 05000361/1997008

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UNITED STATES

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1. " Guy $ *

/- g NUCLEAR REGULATORY COMMISSION

$ REGloN Iv ,

! 611 RYAN PLAZA DRIVE, SulTE 400

+0[ AR LINGToN, TEXAS 7601141064

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MAY 2 31997

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Harold B. Ray, Executive Vice President

Southern California Edison Co. l

San Onofre Nuclear Generating Station

P.O. Box 128

San Clemente, California 92674-0128  !

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SUBJECT: NRC INSPECTION REPORT 50-361/97-08; 50-362/97-08 AND NOTICE OF

VIOLATION

Dear Mr. Ray:

An NRC inspection was conducted April 21-25,1997, at your San Onofre Nuclear

Generating Station, Units 2 and 3, reactor facilities, with in-office inspection continuing

until May 8,1997. A followup exit was conducted via telephone on May 9,1997, with

Mr. G. Gibson and other members of your staff and Messrs. C. Paulk and D. Powers of this

office. The enclosed report presents the scope and results of that inspection.

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The inspection identified one violation related to welding activities. Specifically, the

violation involved the failure to adhere to measures established to minimize

welding-induced sensitization of steel. It is apparent that a contributing cause of this

violation was the lack of guidance in the welding procedure specification for assuring that

specified limits for heat input were followed. The violation is of concern because it

indicates a dichotomy between procedural detail and the skill-of-the craft.

The violation is cited in the enclosed Notice of Violation (Notice) and the circumstances

surrounding this viointion are described in detail in the enclosed report. Please note that

you are required to respond to this letter and should follow the instructions specified in the

enclosed Notice when preparing your response. The NRC will use your response, in part,

to determine whether further enforcement action is necessary to ensure compliance with

regulatory requirements.

in accordance with 10 CFR 2.790 of the NRC's " Rules of Practice," a copy of this letter,

its enclosure (s), and your response will be placed in the NRC Public Document Room 4

(PDR). To the extent possible, your response should not include any personal privacy, l

proprietary, or safeguards information so that it can be placed in the PDR without redaction. 1

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9705280268 970523

PDR ADOCK 05000361

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Southern California Edison Co. -2-

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Should you have any questions concerning this inspection, we will be pleased to discuss

them with you.

Sincerely,

!

Arthur T. Howell 111, Director i

Division of Reactor Safety

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Docket Nos.: 50-361; 50-362 ,

License Nos.: NPF-10; NPF-15

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Enclosures: ,

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1. Notice of Violation i

2. NRC Inspection Report

, 50-361/97-08;50-362/97-08

cc w/ enclosures:

Chairman, Board of Superviscrs

County of San Diego

1600 Pacific Highway, Room 335

San Diego, California 92101

Alan R. Watts, Esq. -

Woodruff, Spradlin & Smart

701 S. Parker St. Suite 7000

Orange, California 92868-4720

Sherwin Harris, Resource Project Manager

Public Utilities Department

City of Riverside

3900 Main Street

Riverside, California 92522

R. W. Krieger, Vice President

Southern California Edison Company

San Onofre Nuclear Generating Station

P.O. Box 128

San Clemente, California 92674-0128

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Southern California Edison Co. -3-

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Dr. Harvey Collins, Chief ,

Division of Drinking Water and l

Environmental Management  ;

California Department of Health Services  ;

P.O. Box 942732 i

Sacramento, California 94234-7320 I

Terry Winter, Manager

Power Operations

San Diego Gas & Electric Company

P.O. Box 1831

San Diego, California 92112-

' Mr. Steve Hsu

Radiological Health Branch

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State Department of Health Services

P.O. Box 942732

Sacramento, California 94234

Mayor

City of San Clemente

100 Avenida Presidio

San Clemente, California 92672

Mr. Truman Burns \Mr. Robert Kinosian

! California Public Utilities Commission

505 Van Ness, Rm. 4102

San Francisco, California 94102 l

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Southern California Edison Co. -4-

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