ML20246N508
| ML20246N508 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 08/30/1989 |
| From: | Diianni D Office of Nuclear Reactor Regulation |
| To: | Parker T NORTHERN STATES POWER CO. |
| References | |
| IEB-89-001, IEB-89-1, TAC-73192, TAC-73193, NUDOCS 8909080141 | |
| Download: ML20246N508 (4) | |
Text
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-August'30, 1989 p
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S IDocket Nos. 50-282 l
- and 50-306
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DISTRIBUTION:
BGrimes sa' f DocWetJ13em LEngle I
-CYCheng)
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' Mr. T. M. Parker, Manager NRC/ Local PDRs ACRS(10 l
l Nuclear-Support Service:; Department PD31 Reading c
/ Northern States Power Company MJVirgilio Gray File-l
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1414 Nicollet Mall RIngram 3
' Minneapolis, Minnesota 55401 DDilanni E
OGC(FYI)
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Dear Mr. Parker:
EJordau l
1 Y
SUBJECT:
RESPONSE'TO BULLETIN 89-01 REGARDING WESTINGHOUSE STEAM I
^
. GENERATOR MECHANICAL PL'JGS (TAC NOS. 73192 AND 73193)
{
. By : letter dated June.14,1989, you responded to NRC Bulletin 89-01 dealing
, with the potential failures of the Westinghouse steam generator tube plugs at the Prairie Island Nuclear Generating Plant, Units 1 and 2.
We find that you have adequately responded to the actions requested in Bulletin 89-01. Your response indicated that the Prairie Island Steam Generator j
Comittee will consider various plugging and replacement options ' including sleeving as permitted by the technical specifications.
?
As we understand, based on your response, you comitted to remedial actions l
I during the January 1990 refueling outage for Unit No. I and September 1990 refueling outage for Unit No. 2 for replacing all. Westinghouse steam generator plugs supplied.from the subject heats of, Inconel 600 (i.e., heats identified in the bulletin) and which are located in the hot legs of the steam generators.
By a telephone discussion you also comitted to replace or repair all Westinghouse steam generator plugs from the subject heats located in the cold l
leg prior to their lifetime limit. We find these comitments acceptable.
l However, you did not specifically commit the implementing remedial actions j
regarding the plugs located in the hot legs of the steam generators during j
extended outages of greater than 4 weeks duration that would precede the -
next scheduled refueling outages.
It is our view that such a comitment is l
implicit in your response.
l This fulfills your requirements in responding to Bulletin 89-01. You should maintain in auditable form, records of the program and the results from implementing'the remedial actions. These records may be subject to future l
auditing. This completes our effort under TAC Nos. 73192 and 73193.
Sincerely,
]
original signed by:
l 89o9000141 890830
~
Dominic C. D11 anni, Project Manager l
Project Directorate 111-1 i
PDR ADOCK0500hk2 Division of Reactor Projects - III, Q
IV, V, and Special Projects l
Office of Nuclear Reactor Regulation i
cc: See next page
[73192 LETTER]
- see previous page for concurrence
.: PM:PD3 EMCB (A)D:PD31 f0k
'l DDilan :sa CYCheng*
JThoma*
8/28/89 g/p/f'p8/28/89 8/29/89 ilo 0FFICIAL RECORD COPY
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. a-4 Docket Nos. 50-282 and 50-306 DISTRIBUTION:
BGrimes Docket File LEngle CYChen Mr. T. M. Parker, Manager NRC/ Local PDRs ACRS(g)
Nuclear Support Services Department PD31 Reading
/
10 Gray File
. Northern States Pcwer Company MJVirgilio
/
[
Dear Mr. Parker:
EJordan
SUBJECT:
RESPONSE TO BULLETIN 89-01 REGARDING WESTINGHOUSE STEAM GENERATORMECHANICALPLUGS(TACN05./73192 AND 73193)
By. letter dated June 14, 1989, you responde to NRC Bulletin 89-01 dealing
[
with the potential failures of the Westinghouse steam generator tube plugs F
at the Prairie Island Nuclear Generating' Plant, Units 1 and 2.
We find
(
that you have adequately responded to the actions requested in Bulletin
- Committee will consider various plugg,the Prairie Island Steam Generatoring and replacem 89-01. Your response indicated that sleevingaspermittedbythetechn/calspecifications.
As we underst'and, based on your fesponse, you committed to remedial actions during the January 1990 refueling outage for Unit No. I and September 1990 refueling outage for Unit No.,2 for replacing all Westinghouse steam generator plugs supplied from the subject heats of Inconel 600 (i.e., heats identified in the bulletin) and which are located in the hot legs of the steam generators.
By a telephone discussion y'ou also committed to replace or repair all Westinghouse steam generator plugs from the subject heats located in the cold leg prior to their lifetime limit. We find these commitments acceptable.
However, you did not sp'ecifically commit the implementing remedial actions extended outages of,g,0cated in the hot legs of the steam generators during regarding the plugs 1 reater than 4 weeks duration that would preceed during the next scheduled, refueling outages.
It is our view that such a commitment is implicit in your response.
This fulfills your requirements in responding to Bulletin 89-01. You should maintain in auditable form, records of the program and the results from implementing the remedial actions. These records may be subject to future auditing. This completes our effort under TAC Nos. 73192 and 73193.
Sincerely, Dominic C. Dilanni, Project Manager Project Directorate 111-1 Division of Reactor Projects - III, IV, V, and Special Projects Office of Nuclear Reactor Regulation cc: See next page
[73192 31q3 LETTER]
/f7 i
3 F,MCBa
( A)D. 53l' PM:PD3 gU NCYCheng
-ADeA aio ~J~ 'NM DDiIan esam 9
8/2r/89 8/JF/89 8/ S/89 7
0FFICIAL RECORD COPY
4.
q UN!TED STATES c .g.
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NUCLEAR REGULATORY COMMISSION 3 D '
WASHINGTON, D. C. 20$55 h
.i...*'I t
August.30,1989
. Docket Nos. 50-282-L and.50-306 Mr. T. M. Parker, Manager Nuclear Support Services Deg 'tment
-Northern States Power Company 414'Nicollet Mall L
v L
Minneapolis, Minnesota 55401
Dear Mr. Parker:
SUBJECT:
RESPONSE TO BULLETIN 89-01 REGARDING WESTINGHOUSE STEAM GENERATOR MECHANICAL PLUGS (TAC N05. 73192 AND 73193)
By letter dated June 14, 1989, you responded to NRC Bulletin 89-01 dealing with the potential ~ failures of the Westinghouse steam generator tube plugs at: the Prairie Island Nuclear Generating Plant, Units 1 and 2.
We find
-that you have adequately responded to the actions requested in Bulletin 89-01. Your response indicated that the Prairie Island Steam Generator
' Committee will consider various plugging and replacement options including
. sleeving as permitted by the technical specifications.
As we understand, based on your response, you committed to remedial actions during.the January 1990 refueling outage for Unit No. I and September 1990 refueling outage for Unit No. 2 for replacing all Westinghouse steam generator plugs supplied from the subject heats of Inconel 600 (i.e., heats identified in the bulletin) and-which are located in the hot legs of the steam generators.
By a telephone discussion you also committed to replace or repair all Westinghouse steam generator plugs from the subject' heats located in the cold
' leg prior to'their lifetime limit. We find these commitments acceptable.
However, you did 'not specifically commit the implementing remedial actions regarding the plugs located in the hot legs of the steam generators during extended outages of greater than 4 weeks duration that would precede the next scheduled refueling outages.
It is our view that such a commitment is implicit in your response.
This fulfills your requirements in responding to Bulletin 89-01. You should maintain in-auditable form, records of the program and the results from
. implementing the remedial actions. These records may be subject to future auditing. This completes our effort under TAC Nos. 73192 and 73193.
Sincerely, W
7//
t.
Dominic C. Dilanni, Project Manager Project Directorate 111-1 Division of Reactor Projects - III, IV, Y, and Special Projects Office of Nuclear Reactor Regulation cc:.See next page 1
7
' ;p 1. ;-..f.'.
W
. Mr. T; M. Parker Prairie Island Nuclear Generating Northern States-Power Company Plant r
cc::
Gerald Charnoff, Esq.-
Shaw, Pittman, Potts-and Trowbridge F
-2300 N Street, N.W.
Washington, DC. 20037
$O Dri J. W.iFerman.
- ! ic Minnesota Pollution Control Agency rW o' 520 Lafayette Road-2 St. Paul, MN 55155-p L
Mr.-E. L. Watzl Plant Manager F
Prairie Island Nuclear.Generatirig Plant Nor+.hern States Power Company i-Route 2-
- Welch Minnesota. 55089 Joseph G. Maternowski Assistant Attorney General
. Environmental Protection Division Suite 200' 520 Lafayette Road St. Paul, Minnesota 55155 U.S. Nuclear. Regulatory Comission Resident Inspector's Office 1719 Wakonade. Drive. East Welch, Minnesota' 55089 Regional Administrator, Region III
.U.S. Nuclear Regulatory Commission Office of. Executive Director for Operations 799 Roosevelt Road Glen Ellyn, Illinois 60137 Mr. William Miller, Auditor Goodhue County Courthouse Red Wing, Minnesota 55066
_.______________-m-____