ML20140G554

Provides Confirmation of Completion of Requested Actions of GL 96-01, Testing of Safety-Related Logic Circuits, as Committed to NRC in

ML20140G554
Person / Time
Site:	Sequoyah
Issue date:	06/05/1997
From:	Shell R TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GL-96-01, GL-96-1, TAC-M94732, TAC-M94733, NUDOCS 9706160341
Download: ML20140G554 (2)

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l Tennessee Valley Authonty, Post Office Box 2000, Soddy-Da sy, Tennessee 37379-2000

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June 5,1997 l U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 l

Gentlemen

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l In the Matter of ) Docket Nos. 50-327 l Tennessee Valley Authority ) 50-328 SEQUOYAH NUCLEAR PLANT (SON)- GENERIC LETTER (GL) 96-01" TESTING OF SAFETY-RELATED LOGIC CIRCUlTS" (TAC NOS. M94732 AND M94733)

Reference:

TVA letter to NRC dated April 18,1996, " Response to Generic  ;

Letter (GL) 96-01, " Testing of Safety-Related Logic Circuits" (TAC l Nos. M94650, M94651, M94652, M94732, M94733, M94750)

This letter provides confirmation of the completion of requested actions of GL 96-01 as committed to NRC in the reference correspondence. These actions were completed on May 5,1997 for both SON units prior to startup from the Unit 1 Cycle 8 refueling outage.

l The reviews performed in accordance with the generic letter identified areas that

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I required improvement. Four licensee event reports were generated as a result of I l testing deficiencies identified during these reviews. In each case the appropriate O i Technical Specification (TS) required actions were taken and the associated functions were tested. Recurrence controls are being implemented in accordance with the LER actions to ensure compliance during future performances. The reviews identified four f 4

p functions that were not required to be tested by TS surveillance requirements. Two P h/

l of these functions currently have appropriate testing procedures and procedures for the remaining functions are being developed in accordance with the site corrective action program. TVA is preparing TS amendment requests for each of these items.

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l U.S. Nuclear Regulatory Commission

! Page 2 June 5,1997 I The generic letter reviews also identified procedures that required enhancements to more clearly meet the GL 96-01 criteria. These enhancements are being performed and tracked in accordance with the site corrective action program.  ;

Please direct questions concerning this issue to Keith Weller at (423) 843-7527.

l Sincerely, l

R. H. Shell j Site Licensing and Industry Affairs Manager Sworn to and subscrib d before me I this 54 day of _

1997 IL Ah #

NoVary Public l My Commission Expires [dhdev A /, /978 l

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! cc: Mr. R. W. Hernan, Project Manager l Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852-2739 l

NRC Resident inspector l Sequoyah Nuclear Plant l 2600 Igou Ferry Road Soddy Daisy, Tennessee 37379-3624 Regional Administrator U.S. Nuclear Regulatory Commission

, Region 11 i

Atlanta Federal Center 61 Forsythe St., SW, Suite 23T85 Atlanta, Georgia 30303-3415 l

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