ML20141C673

From kanterella
Jump to navigation Jump to search
Forwards List of Steam Generator Tubes Plugged During Fifth Inservice Insp
ML20141C673
Person / Time
Site: Seabrook NextEra Energy icon.png
Issue date: 06/18/1997
From: Feigenbaum T
NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NYN-97067, NUDOCS 9706250388
Download: ML20141C673 (3)


Text

,

mP

,/

1

\\

Ortl1 North Atlantic hergy Senice Corporation P.O. Box 300 Atlantic seabrook, NII O3874 0

(603) 474-9521 The Northeast Utilities System June 18,1997 Docket No. 50-443 NYN-97067 United States Nuclear Regulatory Commission Attn.: Document Control Desk Washington, D.C. 20555 Scabrook Station Steam Generator Tubes Plugged During Fifth Inservice Insnection North Atlantic Energy Service Corporation (NAESCO) has enclosed, pursuant to Seabrook Station Technical Specification Surveillance Requirement 4.4.5.5a, a tabulation of the number of steam generator tubes plugged in each of the two steam generators ("B" and "C") inspected during the fifth inservice inspection. The fifth inservice inspection was completed on June 10,1997.

The complete results of the fifth inservice inspection for steam generators "B" and "C" will be submitted prior to June 10,1998, pursuant to Technical Specification Surveillance Requirement 4.4.5.5b.

Should you have any questions regarding this information, please contact Mr. Terry L. Harpster, Director of Licensing Services, at (603) 773-7765.

Very truly yours, NORTH AT C ENERGY RVICE CORP.

O

/

dr Ted C. Feigedaum

/

Executive Vice Presid it and Chief Nuclear Officer cc:

H. J. Miller, Regional Administrator A. W. De Agazio, NRC Project Manager, Seabrook Station W. T. Olsen, Senior Resident Inspector, Seabrook Station AO' D

9706250388 970618 lllllRillHlllllg RHllQlll i

PDR ADOCK 05000443 Ils.Illli,Ilu s,58,

IIH,

P PDR

6 e

l y

'.o l

l l

ENCLOSURE 1 TO NYN-97067 i

1

n Seabrook Station Steam Generator Tubes Plugged During Fifth Inservice Inspection SLG Ran Column Indication Locatinn comment B

43 68 56%

AV5 AVB wear B

51 68 39%

AVI Plugged due to growth rate B

42 69 35%

AV5 Plugged due to growth rate B

42 70 55 %

AV4 AVB wear B

39 72 40%

AV4 AVB wear B

43 97

  • SV1 TSH Loose part wear B

43 98

  • SVI TSH Loose part wear B

43 99

  • SVI TSH Loose part wear B

43 100

  • SVI TSH Loose part wear

]

C 22 12

  • SVI 05C Wear C

22 13

51 64 37 %

AV4 Plugged due to growth rate C

56 82 45%

AV4 AVB wear

  • SVI - Single Volumetric Indication (a specific through wall percentage is not given) e