ML17311A414

Forwards SG Tube Insp Plan for mid-cycle Outage U3M5

ML17311A414
Person / Time
Site:	Palo Verde
Issue date:	11/11/1994
From:	James M. Levine ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
102-03176-JML-S, 102-3176-JML-S, NUDOCS 9411300089
Download: ML17311A414 (8)

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PR.IC)R.I ACCELERATED EY RlDS PROCESSING 1

REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9411300089 DOC.DATE: 94/11/11 NOTARIZED: NO DOCKET FACIL:STN-50-530 Palo Verde Nuclear Station, Unit 3, Arizona Publi 05000530 AUTH. NAME AUTHOR AFFILIATION LEVINE,J.M. Arizona Public Service Co. (formerly Arizona Nuclear Power RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT:

Forwards SG tube insp plan for mid-cycle outage U3M5.

DISTRIBUTION CODE: A001D COPIES RECEIVED:LTR ENCL SIZE:

TITLE: OR Submittal: General Distribution NOTES:Standardized plant. 05000530 RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD4-2 LA 1 1 PD4-2 PD 1 1 TRAN, L 1 1 INTERNAL: ACRS 6 6 FI-L~ TE 1 1 1 NRR/DE/EELB 1 1 I NRR/DRCH/H CB 1 1 NRR/DRPW 1 1 NRR/DSSA/SPLB 1 1 NRR/DSSA/SRXB 1 1 NUDOCS-ABSTRACT 1 1 OGC/HDS2 1 0 EXTERNAL: NOAC 1 1 NRC PDR 1 1 NOTE TO ALL"Rl DS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM PI-37 (EXT. 504-2083 ) TO ELINIINATEYOUR VAXILFROiI DISTRIBUTION LISTS I'OR DOCL'MEN'I'S YOU DON"I'LED!

TOTAL NUMBER OF COPIES REQUIRED: LTTR 19 ENCL 18

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Arizona Public Service Company PALO VERDE NUCLEAR GENERATING STATION P.O. BOX 52034 ~ PHOENIX, ARIZONA85072-2034 JAMES M. LEVINE 102-03176-JMUSAB/JRP VICE PRESIDENT November 11, 1994 NUCLEAR PRODUCTION U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station P1-37 Washington, DC 20555

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Unit 3 Docket No. STN 50-530 Steam Generator Tube Inspection Plan File: 94-056-026 This letter forwards the steam generator inspection plan for PVNGS Unit 3 mid-cycle outage (U3M5). The Unit 3 midcycle outage is scheduled to begin on November 26, 1994 and end on December 19, 1994.

If you have any questions, please contact Scott A. Bauer at (602) 393-5978.

Sincerely, JML/SAB/JRP/pv Enclosure cc: W. L. Stewart K. E. Perkins B. E. Holian K. E. Johnston I. Barnes 941i3'00089 poR 94iiil ADacK osoooszo PDR g5'

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ENCLOSURE UNIT 3 STEAM GENERATOR TUBE INSPECTION PLAN

tl Steam Generator Tube Inspection Plan Eddy Current Testing Scope Outage U3M5 Scope Inspection Extent SG 3-1 SG 3-2 Purpose Method Bobbin ARC (less Bobbin Full Length 2100 1850 General Screening, Post Chem MRPC ARC) Cleaning Sludge Mapping Wear Monitoring Bobbin Full Length 30 30 Assure previous,)30% wear calls have not exceeded TS Loose Parts Bobbin Full Length Reverify loose part (PLP) calls MRPC ARC MRPC 08H-2nd VS 2100 '2350 Area of Interest for ARC Region axial defects Top of Tubesheet MRPC TSH 500 500 Circumferential Indications, Inspection to concentrate in sludge pile region Top of Tubesheet MRPC TSH 100 -100 Sample outside of sludge pile Expansion Criteria Axial Indications:

Ten (10) tube buffer zone (all directions)

Expansion to 3000 tube ARC, if statistically projected crack population is exceeded Bobbin Coil of any SAI/MAI MRPC Indications 100% Bobbin Coil inspection of small bore region of 01H, if projected RG 1.121 exceedance is detected ('6000 tubes)

MRPC of any Bobbin indications that exceed PVNGS Plugging Criteria Circumferential Indications SG 3 Indication ) RG 1.121 allowable - 100% Hot Leg Tubesheet SG 3 Any Circumferential Indication - 100% Hot Leg Tubesheet

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Either - 50 Circumferential Defects - 20% Cold Leg Tubesheet

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