ML20249B326

PNO-76-084:on 760510,initial Criticality Achieved.Region 1 Inspector Witnessed Evolution & Repts That Actual Boron Concentration in Close Agreement W/Predicted Values.Media Interest Expected Because of Close Attention to Plant

ML20249B326
Person / Time
Site:	Beaver Valley
Issue date:	05/11/1976
From:	Dreher F, Roy G, Thompson D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
PNO-76-084, PNO-76-84, NUDOCS 9806220323
Download: ML20249B326 (1)

Text

'

Y N47vMLC _ ,)h t' PRELIMINARY NOTIFICATION gg May 11, 1976 /

PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-76-84 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: Beaver Valley 1 (DN 50-334)

Duquesne Light Company

Subject:

INITIAL CRITICALITY j

Initial criticality was achieved at 6:45 p.m. on May 10, 1976. A Region I inspector witnessed the evolution and reports that actual boron con-centration was in close agreement with predicted values.

Media interest is expected because of close attention to Beaver Valley 1 "

operations and status. The State of Pennsylvania has been informed. A l press release is planned by the licensee. I I

Region I, Philadelphia, Pa. received notification of this achievement by ,

telephone-from an inspector onsite at 8:00 p.m. May-10, 1976. ]

i C

Contact:

FADreher, IE x27261 GWRoy, IE x27261 DThompson, IE x27541 1 '

Distribution:

Chairman Rowden Commissioner Mason S. J. Chilk, SECY Commissioner Gilinsky C. C. Kammerer, CA G. F. Murphy, JCAE Commissioner Kennedy O

L. V. Gossick, EDO E. Volgenau, OIE J. A. Harris, PA /

B. C. Rusche, NRR J. La Fleur, ISP T. J. McTiernan, AIA /

. K. R. Chapman, NMSS H. K. Shapar, ELD Transmitted: P B ldg'  ; H St A.  ; MNBB 4 A-  ; Luge  ;

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- PRELIMINARY NOTIFICATION l

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I j 9806220323 760511 , j

, PDR I&E i PNO-76-004 PDR i .a cG1 ... .

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