PNO-III-98-055, on 981113,licensee Shut Unit Down to Repair Steam Leak from Reactor Feedwater Check Valve.Valve Is SR & Would Provide Containment Isolation Function Under Accident Conditions: Difference between revisions

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s November 13, 1998 3
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PRELIMINARYNOTIFICATIONOFEVENTORUNUSUALOCCURRENCEPNO-III-98-055                                                 ;
PRELIMINARYNOTIFICATIONOFEVENTORUNUSUALOCCURRENCEPNO-III-98-055 This preliminary notification constitutes EARLY notice of events of POSSIBLE
This preliminary notification constitutes EARLY notice of events of POSSIBLE
. safety or public interest significance. The information is as initially
          . safety or public interest significance. The information is as initially
. received without verification or evaluation, and is basically all that is known by Region III staff _(Lisle. Illinois) on this date.
          . received without verification or evaluation, and is basically all that is                                         '
Facility.
known by Region III staff _(Lisle. Illinois) on this date.
Licensee Emergency Classification Detroit Edison Co.
Facility.                                                               Licensee Emergency Classification Detroit Edison Co.                                                           Notification of Unusual Event Fermi 2                                                                     ' Alert New) ort. Michigan                                                           Site Area Emergency
Notification of Unusual Event Fermi 2
          .Doccets: 50-341                                                                 General Emergency X Not Applicable t
' Alert New) ort. Michigan Site Area Emergency
.Doccets: 50-341 General Emergency X Not Applicable t


==Subject:==
==Subject:==
SHUTDOWN TO REPAIR STEAM LEAK On November 13,1998,,the licensee shut the unit down to repair a steam leak from.a reactor feedwater check valve. This valve is safety-related and would. provide a primary containment isolation function under accident
SHUTDOWN TO REPAIR STEAM LEAK On November 13,1998,,the licensee shut the unit down to repair a steam leak from.a reactor feedwater check valve. This valve is safety-related and would. provide a primary containment isolation function under accident conditions. The unit is expected to be shut down for 4 to 6 days.
;            conditions. The unit is expected to be shut down for 4 to 6 days.
The resident inspectors will monitor the licensee's repair activities.
The resident inspectors will monitor the licensee's repair activities.                                           l The State of Michigan will be notified. The'information in this i           preliminary notification has been reviewed with licensee management.
l The State of Michigan will be notified. The'information in this i
                      .                                                                                                        i Region-III (Chicago) was informed of the pending shutdown on November 12,                                       J 1998. This information is current as of 10 a..m. (CST) on November 13.                                           3
preliminary notification has been reviewed with licensee management.
          -1998.                                                                                                             j
i Region-III (Chicago) was informed of the pending shutdown on November 12, J
1998. This information is current as of 10 a..m. (CST) on November 13.
3
-1998.
j


==Contact:==
==Contact:==
Edward Schweibinz             Anton Vegel (630)829-9712                 (630)829-9620 I
Edward Schweibinz Anton Vegel (630)829-9712 (630)829-9620 I
i l
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9811160022 981113
9811160022 981113
                                                                                                                    , ( a)
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PNO-III-99-055 PDR {
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{{PNO-Nav|region=III}}
{{PNO-Nav|region=III}}

Latest revision as of 21:48, 10 December 2024

PNO-III-98-055:on 981113,licensee Shut Unit Down to Repair Steam Leak from Reactor Feedwater Check Valve.Valve Is SR & Would Provide Containment Isolation Function Under Accident Conditions
ML20155K565
Person / Time
Site: Fermi 
Issue date: 11/13/1998
From: Schweibinz E, Anton Vegel
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
References
PNO-III-98-055, PNO-III-98-55, NUDOCS 9811160022
Download: ML20155K565 (1)
v • d • e


_ __

l c*

9 l

L s November 13, 1998 3

PRELIMINARYNOTIFICATIONOFEVENTORUNUSUALOCCURRENCEPNO-III-98-055 This preliminary notification constitutes EARLY notice of events of POSSIBLE

. safety or public interest significance. The information is as initially

. received without verification or evaluation, and is basically all that is known by Region III staff _(Lisle. Illinois) on this date.

Facility.

Licensee Emergency Classification Detroit Edison Co.

Notification of Unusual Event Fermi 2

' Alert New) ort. Michigan Site Area Emergency

.Doccets: 50-341 General Emergency X Not Applicable t

Subject:

SHUTDOWN TO REPAIR STEAM LEAK On November 13,1998,,the licensee shut the unit down to repair a steam leak from.a reactor feedwater check valve. This valve is safety-related and would. provide a primary containment isolation function under accident conditions. The unit is expected to be shut down for 4 to 6 days.

The resident inspectors will monitor the licensee's repair activities.

l The State of Michigan will be notified. The'information in this i

preliminary notification has been reviewed with licensee management.

i Region-III (Chicago) was informed of the pending shutdown on November 12, J

1998. This information is current as of 10 a..m. (CST) on November 13.

3

-1998.

j

Contact:

Edward Schweibinz Anton Vegel (630)829-9712 (630)829-9620 I

i l

l i

9811160022 981113

, ( a) b PDR IS E o

PNO-III-99-055 PDR {

De 23 L

_

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