ML20247P143

Forwards Safety Evaluation & Inel Technical Evaluation Rept Re Licensee Response to Item 4.5.3, Reactor Trip Sys (RTS) ... of Generic Ltr 83-28.Existing Intervals Consistent W/Achieving High RTS Availability & Acceptable.W/O Encls

ML20247P143
Person / Time
Site:	Cooper
Issue date:	05/31/1989
From:	Oconnor P Office of Nuclear Reactor Regulation
To:	Trevors G NEBRASKA PUBLIC POWER DISTRICT
Shared Package
ML20246B255	List: ML20246B250 ML20247P143
References
GL-83-28, TAC-53973, NUDOCS 8906060111
Download: ML20247P143 (1)

Text

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REDISTRIBUTED DUE l' . . TO COPY ERROR May 31, 1989 Docket ho. 50-298 Pr. George A. Trevors, Division Manager - Nuclear Support Uctraska Public Power District Fost Office Ecy 499 Columbus, Nebraska 08601

SUBJECT:

SAFETY EVALUATION FOR GENERIC LETTER 83-28, ITEM 4.5.3 (REACTOR TRIP SYSTEP FUNCTIONAL TESTING FOR GE, CE, B&W, AhD K PLANTS) F0F COOPER NUCLEAR STATION (TAC NO. 53973)

The NRC staff has completed its review of Item 4.5.3, " Reactor Trip System functicnal Testing," in Generic Letter (GL) 83-28. With respect to Item 4.5.3, the licensee was to confirm that the reactor trip system testing intervals are consistent in achieving high reactor trip system availability. For item 4.5.3, the staff reviewed the Owners Group analyses, including the Ger.eral Electric Owners Group, and found that existing intervals are censistent with achieving high reactor trip system availability and are acceptable.

This cornpletes the staff's action for Item 4.5.3 of GL 83-28. Item 4.5.2 was previously reviewed by the staff and its acceptability was documented in our safety evaluation dated January 27, 1989. Copies of the staff's related safety evaluation and the Technical Evaluation Reports prepared by the staff's contractor, Idaho National Engineering Laboratory, are enclosed.

Sincerely,

/s/

Paul W. O'Conncr, Project Manager Project Directorate . IV ,

Division of Reactor Projects - III, IV, Y and Special Projects Office of Nuclear Reactor Regulation

Enclosures:

As stated cc w/ enclosures:

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gw.....f Docket No. 50-298 Mr. Gecrge A. Trevors, Division Ma'.6ger - Nuclear Support Nebraska Public Power District Post 0.'fice Box 499 Columbu;, Nebraska 68601

SUBJECT:

SAFETY EVALUATION FDR GENERIC LETTER 83-28, ITEM 4.5.3 (REACTOR TRIP SYSTEM FUNCTIONAL TESTING FOR GE, CE, ,

B&W, AND W PLANTS) FOR COOPER flVCLEAR STATION (TAC NO. 53973)

The t;FC staff has corr.pleted its review of Item 4.5.3, ' Reactor Trip System FunctionalTesting,"inGenericLetter(GL)83-28. With respect to Item 4.5.3, the licensee was to cenfirm that the reactor trip system testing intervals are censistent in achieving high reactor trip system availability. For iten 4.5.3, the staff reviewed the Owners Gro a analyses, including the General Electric Owners Group, and found that existing intervals are consistent with achieving high reactor trip system availability and are acceptable.

This completes the staff's action for Item 4.5.3 of GL 83-28. Item 4.5.2 was previously reviewed by the staff and its acceptability was documented in our safety evaluation dated January 27 1989. Copies of the staff's related safetyevaluationandtheTechnicalEvaluationReportspreparedbythestaff's contractor, Idaho f ational Ergir.eering Laboratory, are enclosed.

Sincerely, Paul W. O'Connor, Project Manager Project Directorate - IV Division of Reactor Projects - III, IV, Y and Special Projects Office of Nuclear Reactor Regulation

Enclosures:

As stated cc w/ enclosures:

See next page i

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Mr. George A. Trevcrs Nebraska Public Power District Cooper Nuclear Station cc: 1 Mr. G. D. Watson, General Counsel l

Nebraska Public Power District 1 P. O. Box 499 Colurbus, Nebraska C8601 Cooper Nuclear Station ATTN: Mr. Guy R. Horn, Division Manager of Nuclear Operations P. O. Box 98 Brownville, hebraska 68321 1

Dennis Grams, Director i Nebraska Departnent cf Environmental l Ccrtrol i P. O. Box 9892^ '

Lincoln, Nebraska 685C9-8922 i Mr. Larry Bohlken, Chairman 1 Nemaha County Board of Commissioners I Nehaha County Courthouse 1824 N Street Auburn, Nebraska 68205 1 Senior Resident Inspector U.S. Nuclear Regulatory Comission P. O. Box 218 Brownville, Nebraska 68321 Regional Administrator, Region IV 1 U.S. Nuclear Regulatory Comission 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Mr. Harold Borchart. Director Division of Radiological Health  ;

Department of Health 301 Centennial Hall, South P. O. Box 95007 Lincoln, Nebraska 68509-5007

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