05000346/LER-1998-001, Forwards Rev 1 for LER 1998-001,which Updates Corrective Actions & Revises Completion Date Re Implementation of Changes to Plant Emergency Operating Procedure.List of Commitments Attached

Forwards Rev 1 for LER 1998-001,which Updates Corrective Actions & Revises Completion Date Re Implementation of Changes to Plant Emergency Operating Procedure.List of Commitments Attached

ML20216F090
Person / Time
Site:	Davis Besse
Issue date:	09/09/1999
From:	Lash J CENTERIOR ENERGY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20216F093	List: 05000346/LER-1998-001, Forwards Rev 1 for LER 1998-001,which Updates Corrective Actions & Revises Completion Date Re Implementation of Changes to Plant Emergency Operating Procedure.List of Commitments Attached
References
NP-33-98-011-01, NUDOCS 9909210094
Download: ML20216F090 (2)

LER-2098-001, Forwards Rev 1 for LER 1998-001,which Updates Corrective Actions & Revises Completion Date Re Implementation of Changes to Plant Emergency Operating Procedure.List of Commitments Attached

Event date:
Report date:
3462098001R00 - NRC Website

text

-.

Davis-Besse Nuclear Power Station

$501 North State Route 2 Oak Harbor, Ohio 43449-9760 i

l NP-33-98-011-01 1 1

Docket No. 50-346 License Number NPF-3.

September 9, 1999

United States Nuclear Regulatory Commission j Document Control Desk ,

Washington, D.C. 20555  !

Ladies and Gentlemen: {

1 LER 1998-011-01 Davis-Besse Nuclear Power Station, Unit No. I Date of Occurrence - October 14.1998 Enclosed please find revision one for Licensee Event Report 1998-011. This submittal opdates the corrective actions and revises the completion date with regard to implementation of changes to the plant i emergency operating procedure. Th's change of completion date was reviewed with the Senior Resident Inspector. Additional analysis of the occurrence is also provided. The changes are marked with a revision bar in the margin. Please destroy or mark superceded, the previous copies of this LER. This LER is being submitted in accordance with 10CFR50.73(a)(2)(i)(B) and 10CFR50.73(a)(2)(iv).

Very truly yours,

!f ames 11. Lash Plant Manager l Davis-Besse Nuclear Power Station DLM/dle Enclosure -

cc: J. E. Dyer, Regional Administrator - USNRC Region III K. S. Zellers, NRC Senior Resident inspector DB-1 Utility Radiological Safety Board 9909210094 990909 PDR ADOCK 05000346-S PDR <

Doc.ket Number 50-346

1. - License Number NPF-3 Na e33-98-011-01 rage 2 ,

COMMITMENT LIST l The following list identifies those actions committed to by the Davis-Besse Nuclear Power Station in this document. Any other actions discussed in the submittal represent intended or planned actions by Davis-Besse. They are described only as information and are not regulatory commitments. Please notify the Manager - Regulatory Affairs (419-321-8466) at Davis-Besse of any questions regarding this document or associated regulatory commitments.

COMMITMENTS DUE DATE

1. ' Several corrective actions have been recommended relative to the November 20,1998 human interface design inadequacy for the 4160 volt bus breakers. (Completed)

Final review of the recommended corrective actions will be completed.

2. A plant modification to make a permanent change to this time delay November 30,1998 circuitry will be initiated. (Completed)

3. Changes to the preventive maintenance procedures and the data January 29,1999 packagn for CCW flow switches to specify required actions to prevent (Completed) cycling of valves, will be completed. I 1

4. The maintenance procedure for 4160 volt breakers will be revised to - March 31,1999 include a check of the clearance between the armature buttons and the (Completed) cover plate.

5. A training package was developed and presented by December 7,1998, December 7,1998 to each Operating Crew. This training included information about this (Completed) event, lessons learned and Plant Operation's management expectations for this type of event.

6. An alteration will be completed to DB-OP-02000 and/or the Bases October 29,1999 Document for DB-OP-02000 to incorporate lessons learned from this event.

Simulator training will be completed utilizing the draft procedure. The revised procedure will be implemented.

I