ML20236L121

PNO-77-010:initial Criticality Achieved by Crystal River Unit 3 on 770114.CR Configuration & Reactor Coolant Boron Concentration Were Substantial as Predicted.Nrc Region II Notified on 770114

ML20236L121
Person / Time
Site:	Crystal River
Issue date:	01/14/1977
From:	Gower G, Roy G, Thompson D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
PNO-77-010, PNO-77-10, NUDOCS 9807100233
Download: ML20236L121 (1)

Text

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c' PRELIMINARY NOTIFICATION sm

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. January 14, 1977 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-77-10 This preliminary notification constitutes EARLY notice of an event of POSSIBLE safety or public interest significance. The information presented is as initially received without verification or evaluation 1

--and is basically all that is known by 1E staff cn this date.

- Facility: Florida Power Corporation -(Crystal River Unit 3)

(DN 50-302) .

Subject:

INITIAL CRITICALITY .

Initial criticality was achieved by Crystal River Unit 3 at 0842 a.m. l on January 14, 1977.

l The control rod configuration and reactor coolant boron concentration  !

were substantially as predicted. '

l NRC Region II (Atlanta) received notification of this event by telephone from our inspector at the Crystal River site on Jr.nuary 14, 1977.  ;

Contact:

GCGover, IE x27261 GWRoy, IE x27261 DTaompson, IE x27541 i

1 Distribution: I Chairman Rowden Commissioner Mason S. J. Chilk, SECY Commissioner Gilinsky C. C. Kammerer, CA G. F. Murphy, JCAE i Commissioner Kennedy l L. V. Gossick, EDO K. R. Chapman, NMSS R. G. Ryan, OSP S. H. Hanauer, EDO E. Volgenau, OIE J. A.' Harris, PA B. C. Rusche, NRR H. K. Shapar, ELD T. J. McTiernan, OIA Transmitted: PBldg //.'/%

• H St. //.*e7 MNBB //.*M LugeAwA PRELIMINARY NOTIFICATION '

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9807100233 7 0114 PDR I&E PNG-77-010 PLM -