ML17228B479

Submits Planned Refueling Outage SG Insp Activities for Unit 1

ML17228B479
Person / Time
Site:	Saint Lucie
Issue date:	04/26/1996
From:	Bohlke W FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-96-113, NUDOCS 9604300431
Download: ML17228B479 (4)

Text

REGULATG INFORMATION DISTRIBUTION STEM (RIDS)

ACCESS'ION NBR:9604300431 DOC.DATE: 96/04/26 NOTARIZED: NO DOCKET I FACIL:50-335 St. Lucie Plant, Unit 1, Florida Power & Light Co. 05000335 AUTH. NAME AUTHOR AFFILIATION BOHLKE,W.H. Florida Power 6 Light Co.

RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT:

Submits planned refueling outage SG insp activities for Unit 1.

DISTRIBUTION CODE: A001D COPIES RECEIVED:LTR ENCL SIZE:

TITLE: OR Submittal: General Distribution NOTES:

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD2-1 LA PD2-1 PD NORRISFJ INTERNAL: ACRS LE CENTER 0 NRR/DE/EMCB NRR DRCH HICB NRR/DSSA/SPLB NRR/DSSA/SRXB NUDOCS-ABSTRACT OGC/HDS3 EXTERNAL: NOAC NRC PDR D

N NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM OWFN SD-5(EXT. 415-2083) TO ELIMINATE YOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEED!

'.'0 TOTAL NUMBER OF COPIES REQUIRED: LTTR '8 'ENCL

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Florida Power 5 Light Company, P.O. Box 128, Fort Pierce, FL 34954-0128 April 26, 1996 L-96-113 10 CFR 50.36 April 26, 1996 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 Re: St. Lucie Unit 1 Docket No. 50-335 Planned Refuelin Outa e Steam Generator Ins ection Activities On Monday, April 22, 1996, Florida Power 8 Light Company (FPL) met with the NRC staff. The purpose of the meeting was to inform the staff of the details of FPL's end-of-cycle 13 (by FPL convention, identified as "SL1-14") steam generator inspection plans for St. Lucie Unit 1. The inspection plans for the St. Lucie Unit 1 steam generators are of particular importance to FPL since the St. Lucie Unit 1 steam generators will be replaced in 1998 (i.e., end-of-cycle 14, or "SL1-1 5").

At the April 22, 1996, meeting, FPL made specific statements concerning activities to be completed for St. Lucie Unit 1 during the SL1-14 refueling outage. Specifically, FPL stated that:

1. All St. Lucie Unit 1 Westinghouse Alloy 600 hot leg mechanical tube plugs which are due for remedial action according to Westinghouse topical report WCAP-12245 will be repaired by installing a Framatome plug-a-plug (PAP) insert, or replaced with Alloy 690 plugs.

2. FPL will conduct in-situ pressure testing of several of the most significant flaws (axial and circumferential) identified during the SL1-14 inspection. FPL will provide the results of these tests to the NRC within 10 days of the completion of the in-situ pressure testing.

3. FPL will use Electric Power Research Institute (EPRI) Pressurized Water Reactor (PWR) Steam Generator Examination Guidelines, Appendix H-qualified, techniques for detection and sizing indications potentially associated with intergranular attack/stress corrosion cracking (IGAISCC) at eggcrates, other similarly designed supports, and sludge pile regions. As discussed at the April 22, 1996, FPLINRC meeting, application of such techniques is consistent with FPL steam generator inspections conducted since 1987.

4. FPL will remove from service all indications which exhibit 40%, or greater, through wall degradation, and all indications which have exhibited significant growth since the last St. Lucie Unit 1 steam generator inspection.

A 960430043i 960426 PDR ADOCK 05000335

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L-96-113 Page 2

5. FPL will remove from service all crack-like indications located at drilled support plates. Indications at drilled support plates which are not crack-like will be II removed, from service if they exhibit 40%, or greater, through wall degradation, or show significant growth since the last St. Lucie Unit 1 steam generator inspection.

6. FPL will remove from service and stabilize all circumferential indications, regardless of location in the steam generators.

7. FPL will revise the St. Lucie Plant operating procedures to incorporate the requirements of EPRI report TR-104788, "PWR Primary-to-Secondary Leak Guidelines," May 1995, prior to startup from the SL1-14 refueling outage.

FPL has gained extensive knowledge of the status of the steam generators at St. Lucie Unit 1 from its ten year history of 100% eddy current testing. This knowledge of steam generator status, coupled with the above commitments, ensure the continued safe performance of the steam generators for St. Lucie Unit 1 cycle 14.

'f you have, questions on this topic, please contact us.

Very truly yours, W. H. Bohlke Vice President St. Lucie Plant WHB/EJW cc: Stewart D. Ebneter, Regional Administrator, Region II, USNRC, Atlanta, GA Senior Resident Inspector, USNRC, St. Lucie Plant