ML20207G042

Forwards Insp Repts 50-454/99-04 & 50-455/99-04 on 990330-0510.Violations Identified & Being Treated as non-cited Violations

ML20207G042
Person / Time
Site:	Byron
Issue date:	06/04/1999
From:	Jordan M NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:	Kingsley O COMMONWEALTH EDISON CO.
Shared Package
ML20207G047	List: IR 05000454/1999004 ML20207G042
References
50-454-99-04, 50-454-99-4, NUDOCS 9906110004
Download: ML20207G042 (3)

See also: IR 05000454/1999004

Text

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, UNITED STATES

1. pg,Krog'o NUCLEAR REGULATORY COMMISSION

[ /n REGION HI

g j 801 WARRENVILLE ROAD .

• c' LISLE. ILLINOIS 60532-4351

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'*e..* June 4, 1999

Mr. Oliver D. Kingsley '

President, Nuclear Generation Group

Commonwealth Edison Company

ATTN: Regulatory Services

Executive Towers West lil

1400 Opus Place, Suite 500

Downers Grove, IL 60515

SUBJECT: BYRON INSPECTION REPORT 50-454/99004(DRP); 50-455/99004(DRP)

Dear Mr. Kingsley:

On May 10,1999, the NRC completed an inspection at the Byron 1 and 2 reactor facilities. The

enclosed report presents the results of that inspection.

During this inspection period, control room operations were consistently performed in a safe

and professional manner. This was particularly evident during the Unit 1 startup following

refueling outage B1R09. Supervisors demonstrated good command and control, directed

. reactivity manipu!ations, and provided effective oversight of the startup activities. We observed

1

l that operators adhered to the station's standards for control room conduct, procedural

I

adherence, annunciator response, and use of three-way communications.

There were two notable examples during this inspection period wherein maintenance personnel

!

failed to follow station procedures for the control of maintenance activities. In the first example,

mechanical maintenance personnel failed to have a final cleanliness inspection quality control

hold point completed prior to re-assembly of the 1 A reactor coolant system loop stop isolation

valve. This resulted in foreign material left in the reactor coolant system following the

j maintenance. In the second example, mechanical maintenance personnel adjusted the packing

L on the 18 main steam isolation valve without approved work instructions and operations

l department authorization for the activity. We recognize that you have implemented corrective

l actions for similar human performance issues over the past year and that the effectiveness of

j those actions have not been fully demonstrated.

!

l Based on the results of this inspection, the NRC has determined that five violations of NRC

- requirements occurred. These violations are being treated as Non-Cited Violations (NCVs),

consistent with Appendix C of the Enforcement Policy. These NCVs are described in the

subject inspection report. If you contest any of the violations or severity level of these NCVs,

you should provide a response within 30 days of the date of this inspection report, with the

basis for yo r denial, to the Nuclear Regulatory Commission, ATTN: Document Control Desk,

Washington DC 20555-0001, with copies to the Regional Administrator, Region Ill, and the

Director, Office of Enforcement, United States Nuclear Regulatory Commission, Washington,

DC 20555-0001.

9906110004 990604 7

PDR ADOCK 05000454

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O. Kingsley -2-

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

enclosure, and your response, if you choose to p ovide one, will be placed in the NRC Public

Document Room.

We will gladly discuss any questions you have concerning this inspection.

Sincerely,

/s/ M. J. Jordan

Michael J. Jordan, Chief

Reactor Projects Branch 3

Docket Nos. 50-454;50-455

License Nos. NPF-37; NPF-66

Enclosure: Inspection Report 50-454/99004(DRP);

50-455/99004(DRP)

cc w/ encl: D. Helwig, Senior Vice President

H. Stanley, PWR Vice President

C. Crane, BWR Vice President

R. Krich, Regulatory Services Manager

DCD - Licensing

W. Levis, Site Vice President

R. Lopriore, Station Manager

B. Adams, Regulatory Assurance Manager

M. Aguilar, Assistant Attorney General

State Liaison Officer

State Liaison Officer, Wisconsin

Chairman, Illinois Commerce Commission

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B. Clayton, Rlll w/ encl

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