ML020920744

From kanterella
Jump to navigation Jump to search
Letter to Dominique Delattre, IAEA, Dtd 04/02/02 - Event Rating Information for Davis-Besse Nuclear Power Station
ML020920744
Person / Time
Site: Davis Besse 
Issue date: 04/02/2002
From: Wessman R
NRC/IRO
To: Delattre D
International Atomic Energy Agency (IAEA)
References
Download: ML020920744 (3)


Text

April 2, 2002 Mr. Dominique Delattre INES Coordinator Division of Nuclear Safety International Atomic Energy Agency Wagramerstrasse 5 P.O. Box 100 A-1400 Vienna Austria

Dear Mr. Delattre:

Enclosed is a completed Event Rating Form for an event at the Davis-Besse Nuclear Power Station. The event involved the discovery of significant unexpected deterioration of reactor vessel head material in the vicinity of a penetration during repairs conducted on March 8, 2002. This event was rated in accordance with Section IV-3.2.3 of the 2001 International Nuclear Event Scale (INES) Users Manual. The event was assigned a rating of level 3. Additional Information regarding this discovery can be found on the Agencys web site

<www.nrc.gov>.

Sincerely,

(/RA by R. H. Wessman)

Richard H. Wessman, Director Incident Response Operations

Enclosures:

1. INES Rating Form
2. Press Release

April 2, 2002 Mr. Dominique Delattre INES Coordinator Division of Nuclear Safety International Atomic Energy Agency Wagramerstrasse 5 P.O. Box 100 A-1400 Vienna Austria

Dear Mr. Delattre:

Enclosed is a completed Event Rating Form for an event at the Davis-Besse Nuclear Power Station. The event involved the discovery of significant unexpected deterioration of reactor vessel head material in the vicinity of a penetration during repairs conducted on March 8, 2002. This event was rated in accordance with Section IV-3.2.3 of the 2001 International Nuclear Event Scale (INES) Users Manual. The event was assigned a rating of level 3. Additional Information regarding this discovery can be found on the Agencys web site

<www.nrc.gov>.

Sincerely,

(/RA by R. H. Wessman)

Richard H. Wessman, Director Incident Response Operations

Enclosures:

DISTRIBUTION:

1. INES Rating Form IRO R/F
2. Press Release DOCUMENT NAME: G:\\Stransky\\INES\\dbletter.wpd IRO No.: #2 (2/28/02)

 Non-Public

 Public

 Sensitive

 Non-Sensitive To receive a copy of this document, indicate in the box C=Copy w/o attachment/enclosure E=Copy with attachment/enclosure N = No copy OFFICE IRO SC:IRO NRR:OES NRR:

NAME RJStransky TJMcGinty TKoshy WBeckner DATE 03/15/02 03/15/02 03/15/02 03/15/02 OFFICE D:NRR D:IRO NAME SCollins RWessman DATE 03/15/02 04/02/02 OFFICIAL FILE COPY