IR 05000298/1996026

Ack Receipt of Informing NRC of Steps Taken to Correct Violations Noted in Insp Rept 50-298/96-26

ML20134J763
Person / Time
Site:	Cooper
Issue date:	02/07/1997
From:	Howell A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:	Horn G NEBRASKA PUBLIC POWER DISTRICT
References
NUDOCS 9702120284
Download: ML20134J763 (5)

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G. R. Horn, Senior Vice President  !

of Energy Supply Nebraska Public Power District '

141415th Street  :

Columbus, Nebraska 68601 r

SUBJECT: NRC INSPECTION REPORT 50-298/96-26

Dear Mr. Horn:

Thank you for your letter of January 27,1997,in response to our letter and Notice of I Violation dated December 26,1996. We have reviewed your reply and find it responsive to the concerns raised in our Notice of Violation. We will review the i culementation of your corrective actions during a future inspection to determine that full compliance has been achieved and will be maintained.

Sinc .ely, /

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M rthur T. Howell 111, Acting Director Division o Reactor Projects Docket No.: 50-298 License No.: DPR-46 cc:

John R. McPhail, General Counsel Nebraska Public Power District P.O. Box 499 Columbus, Nebraska 68602-0499 P. D. Graham, Vice President of Nuclear Energy j Nebraska Public Power District  !

P.O. Box 98 l Brownville, Nebraska 68321 l

9702120284 970207 PDR ADOCK 05000298 G PDR

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Nebraska Public Power District -2-B. L. Houston, Nuclear Licensing and Safety Manager Nebraska Public Power District P.O. Box 98 Brownville, Nebraska 68321 R. J. Singer, Manager-Nuclear Midwest Power 907 Walnut Street P.O. Box 657 Des Moines, Iowa 50303 Mr. Ron Stoddard

_ Lincoln Electric System

'11th and O Streets Lincoln, Nebraska 68508 Randolph Wood, Director Nebraska Department of Environmental Quality P.O. Box 98922 Lincoln, Nebraska 68509-8922 Chairman Nemaha County Board of Commissioners Nemaha County Courthouse 1824 N Street Auburn, Nebraska 68305 Cheryl Rogers, LLRW Program Manager Environmental Protection Section Nebraska Department of Health 301 Centennial Mall, South P.O. Box 95007 Lincoln, Nebraska 68509-5007 Dr. Mark B. Horton, M.S.P.H.

Director Nebraska Department of Health P.O. Box 950070 Lincoln, Nebraska 68509-5007

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Nebraska Public Power District -3-R. A. Kucera, Department Director of Intergovernmental Cooperation Department of Natural Resources P.O. Box 176 Jefferson City, Missouri 65102 Kansas Radiation Control Program Director

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L. J. Callan Resident inspector DRP Director DRS-PSB Branch Chief (DRP/C) MIS System Branch Chief (DRP/TSS) RIV File Project Engineer (DRP/C) Leah Tremper (OC/LFDCB, MS: TWFN 9E10)

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DOCUMENT NAME: R:\_CNS\CN626AK.MHM To receive copy of document, indicate in box: "C" = Copy withput enclosures "E" = Copy with enclosures "N" = No copy RIV:DRPA. AC:DRF/C D:DRg i TReis;dNr 4- LAYandellW JEDfd/w 2/4 /97 2/q /97 2/1/Gg7 OFFICIAL RECORD COPY 4 I

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DOCUMENT NAME: R:\_CNS\CN626AK.MHM To receive copy of document, indicate in box: "C" = Copy withput enclosures "E" = Copy with enclosures "N" = No copy RIV:DRW l AC:DRP/C D:DR$ l TReis;dtP4 LAYandelliav JEDfd h 2/4 /97 2/9 /97 2/T/Q7 OFFICIAL RECORD COPY

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January 27,1997 M d ,

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U.S. Nuclear Regulatory Commission >

Attention: Document Control Desk Washington, D.C. 20555-0001 Gentlemen:

Subject: Reply to a Notice of Violation NRC Inspection Report No. 50-298/96-26  ;

Cooper Nuclear Station, NRC Docket 50-298, DPR-46 Reference: 1. Ietter to Hom (NPPD) from Dyer (USNRC) dated December 26,1996,"NRC Inspection Report 50-298/96-26 and Notice of Violation" By letter dated December 26,1996, (Reference 1), the NRC cited Nebraska Public Power District (District) as being in violation of NRC requirements. This letter, including Attachment 1, constitutes the District's reply to the referenced Notice of Violation in accordance j with 10 CFR 2.201. The District admits to the violation and has completed all corrective actions  !

necessary to retum CNS to full compliance.

Should you have any questions concerning this matter, please contact me.

Si cere y, A

P. D. Graham Vice President - Nuclear

/cct Attachment

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NLS970003 January 24,1997 Page 2 of 2 cc: Regional Administrator )

l USNRC-Region IV Senior Project Manager l

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l USNRC -NRR Project DirectorateIV-1 Senior Resident Inspector t USNRC i i

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i Page 1 of 2 REPLY TO DECEMBER 26,1996, NOTICE OF VIOLATION i COOPER NUCLEAR STATION NRC DOCKET NO. 50-298, LICENSE DPR-46 During NRC inspection activities conducted on October 20 through November 30,1996, one l violation ofNRC requirements was identified. The particular violation and the District's reply

are set forth below

l Violation

" Technical Specification 4.5.F.1.c states, in part, when it is determined that one diesel .-

generator is inoperable, to determine within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> that the operable diesel generator is not inopercble due to common causefailure orperform Technical Specification Surveillance Requirement 4.9.A.2.a.1.

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On October 21,1996. Diesel Generator 2 was declared inoperable due to afuel oilleak on the supplyline to injector 7L.

On October 23,1996, during thepostmaintenance test on Diesel Generator 2, the motor-operatedpotentiometerfailed, causing the diesel to drop load.

Contrary to the above,for the two abovefailures, the licensee did not determine within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> that the operable diesel generator was not inoperable due to common causefailure :

and did notperform Technical Specification Surveillance Requirement 4.9.A.2.a.1 (to run the I operable diesel generator) within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. " l l

Admission or Denial to Violation l

The District admits the violation.

Reason for Violation l

The surveillance requirement of Technical Specification 4.5.F.1.c was implemented in Amendment 175 to the CNS operating license on April 29,1996. Administrative controls for i documenting the required common cause failure analysis were not developed. This violation resulted from the failure of management to adequately communicate expectations through the development or initiation of administrative controls for the staff to implement the Technical Specification 4.5.F.1.c surveillance requirement regarding documentation of a common mode failure analysis.

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i Corrective Steos Taken and the Results Achieved

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l In both examples, Operations personnel were aware of the Technical Specification surveillance

requirement. Common mode failure analyses that determined Diesel Generator 1 was operable

! were performed but not documented. Common mode failure evaluations were subsequently j documented for both occurrences of Diesel Generator 2 inoperability. Both evaluations

indicated Diesel Generator 1 was not inoperable due to a common cause.

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l Other occurrences of diesel generator inoperability since the Technical Specification

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surveillance requirement was implemented were reviewed for other examp?es of undocumented j common cause failure analyses. No other examples were found.

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Operations Management discussed this violation with all Shift Supervisors sad Shift Technical Engineers to communicate expectations regarding review and documentation of Technical j Specification requirements.

Additionally, the Tech Spec Tracker program has been revised to prompt personnel to perform and document the common cause failure analysis required when a Diesel Generator becomes inoperable, i

forrective Steos That Will Be Taken to Avoid Further Violations i Administrative controls are being evaluated to provide a consistent mechanism to document

! common mode failure analyses.

l Date When Fuil Comoliance Will Be Achieved

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l The District is in full compliance with respect to the identified violation.

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0 f ATTACHMENT 3 LIST OF NRC COMMITMENTS Cormspondence No: NLS97003 The following table identifies those actions committed to by the District in this document. Any I

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other actions discussed in the submittal represent intended orplanned actions by the District.

They are described to the NRC for the NRC's infonnation and are not regulatory commitments.

Please notify the Licensing Manager at Cooper Nuclear Station of any questions regarding this document or any associated regulatory commitments.

COMMfITED DATE COMMITMENT OR OUTAGE Administrative controls are being evaluated to provide a consistent I mechanism to document common mode failure analyses.

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l l PROCEDURE NUMBER 0.42 l REVISION NUMBER 1.2 l PAGE 8 OF 10 l

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