ML20141E006
| ML20141E006 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 05/15/1997 |
| From: | Leonard T ENTERGY OPERATIONS, INC. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| W3F1-97-0102, W3F1-97-102, NUDOCS 9705200261 | |
| Download: ML20141E006 (3) | |
Text
,
Er' e perations, Inc.
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Kjllona. LA 70066-0751 Tel 504 464 3120 T.R. "Ted* Leonard
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Waterffvd S W3F1-97-0102 A4.05 i
PR 3
May 15,1997 U.S. Nuclear Regulatory Commission Attn: Document Control Desk s
Washington, D.C. 20555
Subject:
Waterford 3 SES Docket No. 50-382 License No. NPF-38 Reporting of Special Report Gentlemen:
Attached is Special Report (SR) Number 97-001-00 for Waterford Steam Electric Station Unit 3. This report provides the Refuel 8 Inservice Inspection summary of steam generator tube plugging. This condition is being reported pursuant to i
10CFR50.36(c)(2) and Technical Specifications 4.4.4.5.a and 6.9.2.
Very truly yours, T.R. Leonard General Manager Plant Operations
/(/
TRUDFUtjs
- Attachment cc:
E.W. Merschoff (NRC Region IV), C.P. Patel (NRC-NRR),
3 A.L. Garibaldi, J.T. Wheelock - INPO Records Center, J. Smith, N.S. Reynolds, NRC Resident inspectors Office,
-200044 Administrator - LRPD 9705200261 970515 I'
PDR ADOCK 05000382 Q..
PDRis
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SPECIAL REPORT SR-97-001-00 Steam Generator Eddy Current Examination (8th Refueling)
On May 1,1997, Waterford 3 completed a 100% inservice eddy current bobbin coil full length examination of each Steam Generator (S/G) and a 100% hot leg top of the tubesheet. This report is submitted in accordance with Technical Specification (TS) 4.4.4.5.a, which requires reporting the number of tubes plugged in each S/G within 15 days of completing inservice inspection (ISI) of S/G tubes pursuant to TS 6.9.2. A follow-up report will be submitted in accordance with TS 4.4.4.5.b by May 1.,1998.
The total number of tubes which have been plugged in each SIG are shown below:
S/G #1 SIG #2 Manufacturina/Preservice 6
20 Batwina (Preventive Pluaaina) 149 149 First Refuelina 0
1 Second Refuelina 3
0 Third Refuelina 10 9
Fourth Refuelina
- Preventive Plugging as a result of ECT 4
5
- Batwing Preventive Plugging 156 156 Fifth Refuelina 4
5 Sixth Refuelino
- Preventive Plugging as a result of ECT 1
2
- 40% Thru-Wall Indications 2
0 1
i-i+.
w
5, SPECIAL REPORT SR-97-001-00 Stecm Generator Eddy Current Examination (8th Refueling)
(Cont'd.)
S/G #1 SIG#2 Seventh Refuelina
- Preventive Plugging as a result of ECT 6
3
- > 40% thru-wallindications 2
0
- Single circumferentialindications 6
1 Elahth Refuelina
- Top of the tubesheet Loose Part Indications 3
3 Multiple Circumferential Indicatians 2
0 Single Volumetric Indications 2
1 Multiple AxialIndications 1
0 Single Circumferential Indication 12 7
Single AxialIndications 9
7
- Wear Indications 240% Thru Wall 0
7 3
i The total number of tubes which have been plugged in each S/G:
SIG #1 S/G#2 Total:
378 376 S/G #1 (8 Plugs) and S/G #2 (3 Plugs) cold leg Westinghouse inconel-600 mechanical ribbed plugs were removed by electrical discharge machining.
Framatome Technologies, Inc, re-plugged the eleven tube locations with a long threaded rolled mechanical Inconel-690 plug.
I 2
1 i
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