ML20207J405

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Forwards 15-day Special Rept on Refuel 9 Inservice Insp Summary of SG Tube Plugging or Sleeving,Per Requirements of 10CFR50.36(c)(2)
ML20207J405
Person / Time
Site: Waterford Entergy icon.png
Issue date: 03/11/1999
From: Ewing E
ENTERGY OPERATIONS, INC.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
W3F1-99-0046, W3F1-99-46, NUDOCS 9903160263
Download: ML20207J405 (4)


Text

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Ente per tions,Inc.

Killona, LA 70066 Te! 504 739 6242 C. Ewing, lil Nuclear Safety & Regulatory Affairs W3F1-99-0046 A4.05 PR March 11,1999 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555

Subject:

Waterford 3 SES Docket No. 50-382 License No. NPF-38 15 Day Special Report on the Inservice inspection of the Waterford 3 Steam Generators (SR-99-001-00)

Gentlemen:

Attached is Special Report (SR) Number SR-99-001-00 for Waterford Steam Electric Station Unit 3. This report provides the Refuel 9 Inservice inspection summary of steam generator tube plugging or sleeving. Since Waterford 3 has not installed sleeves, no sleeving information is provided in the attachment. This condition is being reported pursuant to 10CFR50.36(c)(2) and Technical Specifications 4.4.4.5.a and 6.9.2.

Very truly yours,

,/

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f 4oq E.C. Ewing Director Nuclear Safety & Regulatory Affairs ECE/TMM/ssf 160017 Attachment

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9903160263 990311 PDR ADOCK 05000302 e

PDR.3 g

15 Day Special Report on the Inservice inspection of the Waterford 3 Steam. Generators (SR-99-001-00)

W3F1-99-0046 Page 2 March 11,1999 cc:

E.W. Merschoff, NRC Region IV C.P. Patel, NRC-NRR A.L. Garibaldi P. Lewis -INPO Records Center J. Smith N.S. Reynolds NRC Resident inspectors Office Administrator - LRPD

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Special Report i

e SR-99-001-00 Steam Generator Eddy Current Examination (9th Refueling)

On March 6,1999, 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 or sleeved 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 March 6,2000.

The total number of tubes, which have been plugged in each S/G, is shown below:

SIG #1 SIG #2 Manufacturing /Preservice 6

20 Batwing (Preventive Plugging) 149 149 First Refueling 0

1 Second Refueling 3

0 Third Refueling 10 9

i Fourth Refueling

- Preventive Plugging as a result of ECT 4

5

- Batwing Preventive Plugging 156 156 Fifth Refueling 4

5

~ Sixth Refueling

- Preventive Plugging as a result of ECT 1

2

- 40% Thru-WallIndications 2

0 1

1

{

(Eont'd.)

SIG #1 SIG#2 Seventh Refueling

- Preventive Plugging as a result of ECT 6

3

- > 40% thru-wallindications 2

0

- Single circumferentialindications 6

1 Eighth Refueling

- Top of the tubesheet Loose Part Indications 3

3 Multiple Circumferential Indications 2

0 Single Volumetric Indications 2

1 Multiple AxialIndications 1

0 Single CircumferentialIndication 12 7

Single AxialIndications 9

7

- Wear Indications 240% Thru Wall 0

7 Ninth Refueling

- Top of the tubesheet:

Single Volumetric Indications 0

1 Single CircumferentialIndication 2

3 Single AxialIndication=

3 0-Indications at Eggerates:

Single AxialIndications 5

3 Single Circumferential Indications 0

1

- Wear Indications 240% Thru Wall 1

1

- Wear Indications <40% Preventively Plugged 1

1 The total number of tubes which have been plugged in each S/G:

SIG #1 S/G#2 Total:

390 386 s

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