ML20248L083

PNO-78-044:on 780310,plant Achieved Initial Criticality.Rod Positions & Boron Concentration at Initial Criticality Were in Very Close Agreement W/Predicted Values.Unit 2 Currently in Low Power Physics Testing

ML20248L083
Person / Time
Site:	Cook
Issue date:	03/13/1978
From:	Klingler G, Nolan F, Sniezek J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
References
PNO-78-044, PNO-78-44, NUDOCS 9806100412
Download: ML20248L083 (1)

Text

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PRELIMINARY NOTIFICATION h March 13,1978 g ,

PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-78-44 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 and is basically all that is known by IE staff on this date.

facility: Indiana and Michigan Power Company, D. C. Cook, Unit No. 2 (DN 50-316), Bridgman, MI

Subject:

D. C. COOK UNIT NO. 2 INITIAL CRITICALITY D. C. Cook Unit No. 2 achieved initial criticality at 5:35 p.m. on March 10, 1978. Rod positions and boron concentration at initial critica-lity were in very close agreement with predicted values. Initial critica- 4 lity was witnessed by the NRC resident inspector.

Unit No. 2 is currently in low power physics testing. N Amendment No. 2 to the D. C. Cook Unit No. 2 Operating License, DPR-74, i was issued on March 8, 1978. It permitted initial criticality and d

{ specified conditions for operation up to 20% of full power

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Region III (Chicago) received notification of this event by telephone from the NRC resident inspector on March 10. 1978.

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Contact:

GKlingler, IE x28019 FNolan, IE X28019 JSniezek, IE x28019 2

_ Distribution: Transmitted H St /l l-f Chairman Hendrie Commissioner Bradford Commissioner Kennedy S. J. Chilk, SECY C. C. Kammerer, CA Commissioner Gilinsky (For Distribution)

Transmitted: MNBB/.'13 PBldg/.'30 E. Volgenau, IE L. V. Gossick, ED0 E. G. Case, NRR Regio Q ['} L-S. H. Hanauer, EDO J. J. Fouchard, PA SS Bldg f.')/ (MAIL)

R. Hartfield, MIPC C. V. Smith, NMSS T. J. McTiernan, 01A R. G. Ryan, OSP R. Minogue, SD H. K. Shapar, ELD PRELIMINARY NOTIFICATION eG 9806100412 780313 PDR I&E PNG-78-44 PDR

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