ML20082Q060
| ML20082Q060 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 09/09/1991 |
| From: | Feigenbaum T PUBLIC SERVICE CO. OF NEW HAMPSHIRE |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NYN-91146, NUDOCS 9109110217 | |
| Download: ML20082Q060 (2) | |
Text
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,e,d f. Fe'genbaum hhk(h P,e, vent and Chiet Ircut e Othcer NYN 91146 September 9, 1991 United States Nuclear Regulatory Commission Washington, D.C.
20555 Attention:
Document Control Des'.
References:
(a)
Facility Operating License No. NPP 86, Docket No. 50.#43 (b)
Seabrook Station Technical Specification 4.4.5.5.a
Subject:
Steam Generator Tubes Plugged During iirst inservice Inspection f,
Gentlemen:
Pursuant to Seabrook tation Technical Specifical on 4.4.5.5.a, New llampshisc Yankec (Nil'.) has specified herein the numte
<>f tubes plugged in each steam generator during the first Intervice inspection.
A total of tubes were intipected in all four steam generators (S/G A:1797, i
11:1761, C:1747, D:lt No defective tubes, that is a tube with a wall loss crtual to or
(
greater than 40'E, we.
identified.
Twelve tubes in three steam generators were plugged foi preventive maintenance r e a sor.:. Tube pluging details for steam generators 11, C and D are provided below:
Stenm Gynerntor How. Column Reo u II 8
107 Install a plug in a bare hole plug
(
Il S
H5 install a plug in a bare hole plug il 27 24 liigh wall loss indication (31'l1)
C 51 50 IUgh Anti Vibration liar ( AVil) wear indication (36ti)
C 50 95 liigh AVil wear indication (37t'i>)
C 48 98 liigh AVil wear indication (36%)
g C
11 120 liigh wall loss indication (38%)
C 31 13 Provide a boundary around a foreign object C
32 13 Provide a boundary around a foreign object C
31 12 Provide a boundary around a foreign object C
32 12 Provide a boundary around a foreign object D
47 54 liigh AVil wear indication (35%)
t 910911 OP17 910909 PDR ADOCK 05000443 0
PDR New Hampshire Yankee Division of Public Service Company
'ew Hampshire P.O Box 300
- Soobrook, NH 03874
- Telephone (603) 474-9571 f
I f,
s United States Nuclear Regulatory Commission September 9,1991 Attention:
Documerit Control Desk Page two Per the requirements of Technical S.ecification 4,4.5.5.b. the complete results of the I
steam generator tube inservice inspection will be submitted prior to August 28, 1992.
Should you have questions t garding this matter, plearie contact Mr. James M. l'eschel, Regulatory Compliance Manager, at (603) 474 9521 extension 3772.
Very truly yours, f6h Ewb""
Ted C. Feige m
TCF:ALL/$s cc:
Mr. Thornas T. Martin Regional Administrator United States Nuclear Regulatory Commission Region 1 475 Allendale Road King of Prussia, P.A 19406 Mr. Gordon E. Edison, Sr. Project Manager Project Directorate 13 Division of Reactor Projects U,S, Nuclear Regulatory Commisslor Washington, DC 20555 Mr. Noel Dudley NRC Senior Resident inspector P.O.130x 1149 Seabrook, Nil 03874
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