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Forwards Insp Repts 50-445/97-20 & 50-446/97-20 on 971012- 1122 & Notice of Violation.Three Violations Identified.In First Instance,Unfamiliarity W/Sys Operating Parameters by Senior Reactor Operator
	ML20198S171
Person / Time
Site:	Comanche Peak
Issue date:	01/16/1998
From:	Tapia J; NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:	Terry C; TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
Shared Package
ML20198S175	List: IR 07100012/2011022; ML20198S171; ML20198S189;
References
	50-445-97-20, 50-446-97-20, NUDOCS 9801260095
	Download: ML20198S171 (5)
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JAN I 6' 1998 -

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Mr. C. L Terry

TU Electric

Group Vice President, Nuclear

ATTNL Regulatory Affairs Department

P.0, Box 1002

Glen Rose, Texas 76043

SUBJECT: NRC INSPECTION REPORT 50-445/97-20; 50-446/97-20 AND NOTICE OF

VIOLATION

Dear Mr. Terry:

'

On November 22,1997, the NRC completed an inspection at your Comanche Peak Steam

Electric Station, Units 1 and 2, reactor facility.- The enclosed report presents the scope and

resu'ts of that inspection.

During the 6-week period covered by this inspection, your conduct of activities at the Comanche

Peak Steam Electric Station was generally characterized by safsty-conscious operations, sound

engineering and maintenance practices, and good radiological work cordrols. However, a

number of personnel errors were made by experienced personnel during this inspection period.

Some of these errors led to challenges to plant equipment or equipment failures and are

discussC ,urther in the enclosed report.

Three violations of NRC requirements were identified during the inspection, in the first instance, .

unfamiliarity with system operating parameters by a senior reactor operator in conjunction with 1

an inedequate procedure unnecessarily challenged the low temperature overpressure protection

. system, in the second instance, core alterations were conducted while a portion of the

personnel airlock was incapable of being closed. Lastly, previously identified gaps in the Unit 2

emergency core cooling sump structure had not been adequately corrected.

.

These violations are cited in the enclosed Notice of Violation (Notice) and the circumstances

surrounding the violations 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 responso. 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 moy of this letter, its

enclosure (s), and your response will be placed in the NRC Put:,' 't sent Room (PDR). To

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the extent possible, your response should not include any personal privacy, propnetary, or

-safeguards information so that it can be placed in the PDF< without redaction.

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

' with you.

Sine:erely. -

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Joseph I. Tapia Chief

Project Branch A

Division of Reactor Projects i

Docket Nos.: 50-445

50-446

License Nos.: NPF-87

NPF-89

Enclosures:

1.. Notice of Violation

2.- NRC Inspection Report

u 50-445/97-20; 50-446/97-20

cc w/ enclosures:

Mr, Roger D. Walker

TU Electric"

'

Regulatory A* fairs Mai.ager ,

'

P.O. Box .1002 -

Cien Rese, Texas -76043 ,

Juanita Ellis '

President - CASE .- l

~ 1426 South Polk Street

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Dallas, Texas 75224

TU Electric

Bethesda Licensing -

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13 Metro Center, Suite 6101

Bethesda, Maryland -20814

George L. Edgar. Esq.

Morgan, Lewis & Bocklus

71800 M.: Street, NW - q'

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? Washington, D.C. 20036

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- ' O. R. Bynog, Program Manager / i i

Chief Inspector . .

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-Texas Department of Licensing & Regulation

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Boiler Division -

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P.O. Box 12157, Capitol Station

Austin, Texas' 78711

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' Honorable Dale McPherson '

County Judge

P.O. Box 851

Glen Rose, Texas 76043

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! Texas Radiation Contiol Program Director

' 1100 West 49th Street

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' Austin, Texas 78756 -

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. John Howard, Director _ _

Enyt.onmental and Natural Resources Policy

Office of the Governor

P.O. Box 12428

Austin, Texas 78711'

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ML20198S171

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