PNO-II-98-031, on 980610,unusual Event Declared Because Fire Occurred in 4A Control Rod Drive Motor Generator Set.Fire Fully Extinguished within 29 Minutes After Receiving Smoke Alarm Using Automatic Halon Sys & Portable Extinguishers
| ML17354A956 | |
| Person / Time | |
|---|---|
| Site: | Turkey Point  |
| Issue date: | 06/10/1998 |
| From: | Steven Rudisail NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | |
| References | |
| PNO-II-98-031, PNO-II-98-31, NUDOCS 9806110387 | |
| Download: ML17354A956 (3) | |
~
CATEGORY 3y REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)
ACCESSION NBR:9806110387 DOC.DATE: 98/06/10 NOTARIZED: NO
'OCKET FACIL:50-250 Turkey Point Plant, Unit 3, Florida Power and Light C 05000250
~.50-251 Turkey Point Plant, Unit 4, Florida Power and Light C 05000251 AUTH.NAME AUTHOR AFFILIATION RUDISAZL,S.
Region 2 (Post 820201)
RECIP.NAME RECZPXENT AFFXLIATION
SUBJECT:
PNO-II-98-031:on 980610,unusual event declared because fire occurred in 4A control rod drive motor generator set.Fire fully extinguished within 29 minutes after receiving smoke alarm using automatic Halon sys
&, portable extinguishers.
DISTRIBUTION CODE:
XE34F COPIES RECEIVED:LTR ENCL SIZE:
TITLE: 50 Docket R Vendors PNO/Non-Routine Event/Safeguards Event (PN)
NOTES:
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0 N
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ON EXTENSION 415-2083 0
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ENCL 14
June 10, 1998 PRELIMINARY NOTIFICATION OF EV1BFF OR UNUSUAL OCCURRENCE PNO-II-98-031 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 II staff in Atlanta, Georgia on this date.
~Pa(:3.lit Florida Power
& Light Co.
Turkey Point 3
4 Miami,Florida Dockets:
50-250,50-251 Licensee Emer en Classification X Notification of Unusual Event Alert Site Area Emergency General Emergency Not Applicable 4
Subject:
NOTICE OF UNUSUAL EVENT DUE TO A FIRE ON SITE LASTING MORE THAN 10 MINUTES At:2:37 a.m.,
EDT on June 10, 1998, with Unit 4 at full power an Unusual Event was declared because a fire occurred in the 4A control rod drive motor generator set (generator bearing)
The fire was fully extinguished within 29 minutes after receiving the smoke alarm using the automatic Halon system and portable carbon dioxide extinguishers.
No personnel were injured and offsite assistance was not needed.
The plant continued operation at 100 percent power.
Unit 3 is also at 100 percent.
The Unusual Event was terminated at 3:00 a.m.,
EDT.
Th>> 4A and 4B rod drive motor generator sets are electrically cross tied so when the 4A rod drive motor generator set was secured, the 4B rod drive motor generator set suppled electrical power to all of the Unit 4 control rods.
An investigation by FPRL of the cause of the fire has been initiated.
A similar failure and fire occurred on the 4A motor generator set on March 4, 1997.
The licensee's investigation will also address the failure of 1 of 4 Halon bottles which did not actuate.
The NRC resident inspectors responded to the site and monitored actions in the control room and at the scene, and will continue to follow the licensee's actions.
The State of Florida has been notified.
The licensee does not plan to issue a press release.
This information is current as of 10:00 a.m.,
June 10, 1998.
Contact:
Steve Rudisail (404)562-4512 980bii0387 980bi0 PDR X5E PNO-EX-98-031 PDR '