PNO-IV-85-055, on 851031,initial Criticality Achieved. Criticality Occurred at Predicted Point in Rod Withdrawal Sequence

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PNO-IV-85-055:on 851031,initial Criticality Achieved. Criticality Occurred at Predicted Point in Rod Withdrawal Sequence
ML20138N125
Person / Time
Site: River Bend Entergy icon.png
Issue date: 10/31/1985
From: Jaudon J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:
References
PNO-IV-85-055, PNO-IV-85-55, NUDOCS 8511050072
Download: ML20138N125 (1)


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October 31, 1985 PRELIlilNARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PNO-IV-85-55 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 kncwn by NRC staff on this date.

FACILITY: Gulf States Utilities Licensee Emergency Classification:

River Bend Station Notification of Unusual Event St. Francisville, LA ~~ Alert Docket No: 50-458 Site Area Emergency General Emergency  :

T Not Applicabic t

SUBJECT:

INITIALCRITICALITY(MODE 2)

At12:37a.m.(CST)onOctober 31, 1985, River Bond Station achieved initial criticality. Criticality occurred at the predicted point in the rod withdrawal sequence.

p The Senior Resident inspector observed the evolution.

The state of Louisiana has been informed.

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@ The licensee plans to issue a press release.

<9 This information is current as of 8:00 a.m. (CST) on October 31, 1985. ,

C- CONTACT: J.P.Jaudon,RIV(728-0140) 4 ,

(4 i t- DISTRIBUTION:

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11. ST. HNBB Phillips E/W W111ste MAIL:

Chmn Palladino ED0 NRR iE NMS$ DOT: Trans Onl Conn. Zech PA DCS OIA RES DMB(Original)y Corm. Roberts itPA AE00 Conn. Asselstine ELD V!B INP0 Comm. Bernthal NSAC SECY Air Rights ACRS 3P CA '

POR Regions: Licensee:

(Reactor Licensecs)

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