ML20217J444

Informs That Staff Finds Licensee Plans for Insp,Evaluation & Repair of Core Shroud at Unit 1,acceptable

ML20217J444
Person / Time
Site:	River Bend
Issue date:	08/07/1997
From:	Wigginton D NRC (Affiliation Not Assigned)
To:	Mcgaha J ENTERGY OPERATIONS, INC.
References
TAC-M99230, NUDOCS 9708140232
Download: ML20217J444 (3)

Text

, . I Mr. John R. McGaha, Jr. August 7, 1997 Vice President - Operaticns Entergy Operations, Inc.

River Bend Station P. O. Box 220 .

St. Francisville, LA 70775 I

SUBJECT:

RIVER BEND STATION, UNIT 1 - CORE SHROUD INSPECTION PLAN (TAC NO. M99230)

Dear Mr. McGahat By letter dated June 12, 1997, Entergy Operations Inc. (E01), submitted plans

~

for inspection, evaluation, nd repair of the core shroud at the River Bend Station, Unit 1. This letter fulfilled a reporting requirement to provide plans for inspection, evaluation, and/or repair of the shroud according to Generic Letter (GL) 94-93, "Intergranular Stress Corrosion Cracking of Core Shrouds in BWRs." In conformance with GL 94-93, this response has been submitted three months before inspection of the core shroud and contains the shroud welds to be inspected, the examination methods, and plans for evaluation and/or repair. The plan will be implemented during the next refueling outage scheduled to bogi.i in September 1997.

Entergy stated that its plans for insaection and evaluation satisfy the recommendations of the Boiling Water leactor Vessel and Internals Project's (BWRVIP's) "BWR Core Shroud Inspection and flaw Evaluation Guidelines" (BWRVIP-01), Rev. 2. -If repairs are needed. E01 plans to follow the recommendations in BWRVIP-02, " Core Shroud Repair Design Criteria," and BWRVIP-04, " Guide for format and Content of Core Shroud Repair Design Submittals." The staff finds these plans acceptable. They follow the guidance in BWR documents, the use of which the staff has approved, if there are any questions on this matter or the above, please let us know.

This completes our effort under TAC No. M99230. ,

Sincerely, Orig, si ned by David L. W('gginton, Senior Project Manager Project Directorate IV-1 Division of Reactor Projects lil/IV Office of Nuclear Reactor Regulation Docket No. 50-458 cc: See next page DISTRIBUTIM Docket-File' PUBLIC PD4-1 r/f J. Roe C. Hawes ACRS E. Adensam J. Clifford(EGAl)

D. Wigginton T. Gwynn, RIV OGC (15B18) .).

Document Name: RB99230. LTR OFC PM/P(bl/ LA/PD4-1 i NAME DWigdn$n:sp CHawesd())f/ I DATE f///97 @h/97-COPY /E3/NO YES/NO OfflCIA ERECORD COPY 8

l l[l[llll lll ll'% k ._ -. -

p ...g

[a k UNITED STATES

• )D( ,, } NUCLEAR REGULATORY COMMISSION wasmotow, o,c, sowaei August 7, 1997 Mr. John R. McGaha, Jr.

Vice President - Operations Entergy Operations, Inc.

River Bend Station P. O. Box 220 St. Francisville, LA 70775

$UBJECT: RIVER BEND STATION, UNIT 1 - CORE SHROUD INSPECTION PLAN (TAC NO. M99230)

Dear Mr. McGaha By for letter datedevaluation, inspection, June 12, 1997, Entergy and repair Operations of the core shrou Inc. (d at the River BendE01), subm Station, Unit 1. This letter fulfilled a reporting requirement to provide plans for inspection, evaluation, and/or repair of the shroud according to Generic Shrouds inLetter BWRs."(GL)In conformance with GL 94-93, this response has been94-93 submitted three months before inspection of the core shroud and contains the shroud welds to be inspected, the examination methods, and plans for evaluation and/or repair. The plan will be implemented during the next refueling outage scheduled to begin in September 1997.

Entergy stated that its plans for inspection and evaluation satisfy the recommendations of the Boiling Water Reactor Vessel and Internals Project's (BWRVIP's) "BWR Core Shroud Inspection and flaw Evaluation Guidelines" (BWRVIP-01), Rev. 2. If repairs are needed, E01 plans to follow the recommendations in BWRVIP-02, " Core Shroud Ryair Design Criteria," and BWRVIP-04, " Guide for format and Content of Core Shroud Repair Design Submittals." The staff finds these plans acceptable. They follow the guidance in BWR documents, the use of which the staff has approved.

If there are any questions on this matter or the above, pleaso let us know.

This completes our effort under TAC No, M99230.

Sincerely, l

• 1 David L. kginton,SeniorProjectManager Project Directorate IV-1 Division of Reactor Projects Ill/IV Office of Nuclear Reactor Regulation Docket No. 50-458 cc: See next page

Mr. John R. McGaha Entergy Operations, Inc, River Bend Station cct Winston & Strawn Executive Vice President and 1400 L Street, N.W. Chief Operating Officer Washington, DC 20005-3502 Entergy Operations, Inc.

P. O. Box 31995 Manager - Licensing Jackson, MS 39286 Entergy Operations, Inc.

River Bend Station General Manager - Plant Operations P. O. Box 220 Entergy Operations, Inc.

St. Francisville, LA 70775 River Bend Station P. O. Box 220 Director St. Francisv111e, LA 70775 Joint Operations Cajun 10719 Airline Highway Director - Nuclear Safety P. O. Box 15540 Entergy Operations, Inc.

Baton Rouge, LA 70895 River Bend Station P. O. Box 220 Senior Resident inspector St. Francisv111e, LA 70775 P. O. Box 1050 St. Francisville, LA 70775 Vice President - Operations Support Entergy Operations, Inc.

President of West Feliciana P. O. Box 31995 Police Jury Jackson, MS 39286-1995 P. O. Box 1921 St. Francisville, LA 70775 Attorney General State of Louisiana Regional Administrator, Region IV P. O. Box 94095 U.S. Nuclear Regulatory Commission Baton Rouge, LA 70804-9095 611 Ryan Plaza Drive, Suite 1000 Arlington, TX 76011 Wise, Carter, Child & Caraway P. O. Box 651 Ms. H. Anne Plettinger Jackson, MS 39205 3456 Villa Rose Drive Baton Rouge, LA 70806 Vice President & Controller Cajun Electric Power Cooperative Administrator 10719 Airline Highway Louisiana Radiation Protection Division P.O. Box 15540 P. O. Box 82135 Baton Rouge, LA 70895 Baton Rouge, LA 70884-2135

. .. . . - _ _ , . . _ _ _ _