ML20215D164
| ML20215D164 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 12/12/1986 |
| From: | Gears G Office of Nuclear Reactor Regulation |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| GL-84-07, GL-84-11, GL-84-7, NUDOCS 8612160235 | |
| Download: ML20215D164 (30) | |
Text
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F/ M DEC 121986 n.
4 o' Docket No. 50-260 LICENSEE: Tennessee Valley Authority FACILITY: Browns Ferry Nuclear Plant, Unit 2
SUBJECT:
NOVEMBER 4, 1986 MEETING WITH THE TENNESSEE VALLEY AUTHORITY (TVA)
TO DISCUSS THE BROWNS FERRY SAFE-END REPLACEMENT PROGRAM ON UNIT 2 On November 4, 1986 members from NRC (NRR and Region II) met with the staff of Tennessee Valley Authority (TVA) at the Browns Ferry site to discuss TVA's approach to safe end replacement at Browns Ferry, Unit 2. is the list of individuals that attended the meeting. provides the meeting agenda plus a copy of the TVA summary slides used at this meeting. The following issues were highlighted during the meeting:
- TVA will perform the safe-end replacement under 50.59 as per guidance of Generic Letter (GL) 84-07.
- TVA will' provide a response to Generic Letter 84-07 (safe-end replacement under 50.59 and ALARA) by November 24, 1986.
- TVA will provide a timely supplemental response to its previous GL 84-11 submittal to cover safe-end cracking as well as other post-IHSI inspection results and repairs (Item II.C.4 of restart issues).
- Region II will inspect, as needed, the replacement activities.
- The piping inspection and repair program continues to be tracked by NRC (Reg II and NRR) as a restart issue (Item II.C.).
Supplemental responses discussed above are restart issues and will require NRC review and approval prior to restart.
8612160235 861212 PDR ADOCK 05 gO
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.,.g.TVA needs to provide to NRR revised leakage detection Technical Specifications for review and approval prior to Unit 2 restart.
M Gerald E. Gears, Project Manager BWR Project Directorate #2 Division of BWR Licensing
Enclosures:
1.
List of Attendees for Meeting 2.. The-Licensee's Slide Presentation cc w/ enclosures See next page.
DISTRIBUTION Docket File NGrace, ' RII NRC PDR LSpessard, DI Local PDR KBarr, RII PD#2 Meeting Summary File SRConnelly, 0IA
-DMuller GZech, RII GGears BJYoungblood OGC - Bethesda JHolonich EJordan CStahle BGrimes TKenyon ACRS (10)
WLong NRC Participants TAlexion WECampbell, 01A Algnatonis, RII SNorris RWessman HDenton MGrotenhuis HThompson RBernero SRichardson, IE-MJCampagnone JTaylor, IE BHayes, 01 0FFICIAL RECORD COPY
- Previously Concurred DBL:PD#2 D
D#2 DBL:PD#
DBkJfyl%
SNorris*
G (fcf MGrotenhuis DRKu'iler 12/10/86
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Manager of Nuclear Power Browns Ferry Nuclear Plant Tennessee Valley Authority Units 1, 2, and 3 cc:
General Counsel Resident Inspector Tennessee Valley Authority U. S. Nuclear Regulatory Commission 400 Connerce Avenue Route 2, Box 311 E 118 330 Athens, Alabama 35611 Knoxville, Tennessee 37902 R. W. Cantrell Acting Director, Nuclear Engineering Tennessee Valley Authority 400 West Summit Hill Dirve, W12 A12 Knoxville, Tennessee 37902 R. L. Gridley Tennessee Valley Authority SN 157B Lookout Place Chattanooga, Tennessee 37402-2801 M. J. May Tennessee Valley Authority Browns Ferry Nuclear Plant Post Office Box 2000 Decatur, Alabama 35602 H. P. Potrehn Tennessee Valley Authority Browns Ferry Nuclear Plant Post Office Box 2000 Decatur, Alabama 35602 Chairman, Limestone County Commission Post Office Box 188 Athens, Alabana 35611 Ira L. Meyers, M.D.
State Health Officer State Department of Public Health State Office Building i
Montgomery, Alabama 36130 l
Regional Administrator, Region II i
U. S. Nuclear Regulatory Commission 101 Marietta Street, Suite 2900 Atlanta, Georgia 30303 Mr. Steven Roessler U. S. Nuclear Regulatory Commission Reactor Training Center Osborne Office Center, Suite 200 Chattanooga, Tennessee 37411
- -- N
ATTACHMENT I List of Meeting Attendees November 4,1986 NAME ORGANIZATION M. May TVA, Site Licensing G. Gears NRC/NRR/ DBL W. Koo NRC/NRR/ DBL R. Herman NRC/NRR/ DBL J. York NRC/RII/ SRI K. Barr NRC/RII J. Stohr NRC/RII D. Collins NRC/RII R. Weddington NRC/RII C. Reeves TVA, Task Force T. Chapman TVA/DNE R. Hartwig TVA/ Site H. Pomrehn TVA/ Site D. Pullen TVA/0NP M. McKaig TVA/DNE H. Queen TVA/DNE M. Sullivan TVA/ Corporate M. Zachary TVA/RADCON A. Sorrell TVA/RADCON S. Howard TVA/ALARA i
C. Brooks NRC/RI/BFNP B. Bearden NRC/RI/BLN B. Rosberg TVA/ Piping Analysis C. Patterson NRC/RI/BFNP T. Chinn TVA A. Lynch TVA/DNE P. Carpenter TVA/DNE W. Joest TVA/DNE L. Matthews TVA/DNE G. Turner QA Advisor R. Schulz TVA/ Compliance S. Stagnola TVA/DNC J. Norris TVA/QA J. Stapleton TVA/DNE
+,
w AGENDA FOR TVA/NRC MEETING - SAFE END REPLACEMENT November 4, 1986, 10:00 A.M. to 12:00 Noon at Browns Ferry
-I.
INTRODUCTION M. J. May Manager of Site Licensing Browns Ferry Nuclear Plant II. BACKGROUND J. H. Fox Senior Metallurgical Engineer III. DESIGN DESCRIPTION F. E. Hartwig Project Manager IV. REPLACEMENT DETAILS J. C. Pettitt Engineering Section Supervisor Modifications Division V. RADIOLOGICAL EXPOSURE CONTROL S. R. Howard ALARA Supervisor Browns Ferry Nuclear Plant VI. QA PROGRAM TO CONTROL WORK J. R. Norris Quality Engineering QC Mgr.
Browns Ferry Nuclear Plant
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BROWNS FERRY UNIT 2 SAFE ENDS s
INSPECTIONS WHY?
PHILADELPHIA ELECTRIC CO. EXPERIENCE AT PEACHBOTTOM 2 AND 3 l
GENERAL ELECTRIC RECOMMENDATION - APRIL 1986 EPRI AND TVA REVIEWED OUR. PREVIOUS INSPECTION METHODS AND IT WAS APPARENT THAT WE COULD HAVE MISSED FLAWS IN THIS AREA IN PREVIOUS INSPECTIONS 1
l TVA DECIDED TO REINSPECT U-2 SAFE ENDS.
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TVA'S AUTOMATED EXAMINATIONS SYSTEMS - INTRASPECT/98 KBA.500 -2.25 MHZ 450 AND 600 AMDATA BOOTED 2.25 MHZ 450 NORMAL SWRI COMPOUND ANGLE (SPECIAL)
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EIGHT SCANNING PATTERNS DATA ACQUISITION COMPLETED IN SEVEN DAYS
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RESUL TS OF INSPECTIONS O
INDICA TIONS OF CORROSION A TTACK NOTED IN CREVICED REGION OF 10 0F 10'RECIRCULA TION INLET SAFE ENDS O
LENGTH OF A TTACK-48-93% OF CIRCUMFERENCE O
DEPTH OF A TTACK-42% OY W LL THICKNESS. MAXIMUM
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O EPRI / BWR06 AND NRC CONCURANCE ON TECHNIQUES AND METHODOLOGY
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SIZE. LENGTH. LOCA TION AND SIGNAL CHARACTERISTICS CONSISTENT WITH CREVICE CORROSION / INTERGRANULAR A TTACK O
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