ML20236W823
| ML20236W823 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 12/16/1975 |
| From: | Bidinger G, Jennifer Davis, Roy G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| PN-75-151, NUDOCS 9808060234 | |
| Download: ML20236W823 (1) | |
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PRELIMINARY NOTIFICATION - NOT FOR PUBLIC DISCLOSURE December 16, 1975 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE
--PN-75-151 This preliminary notification constitutes EARLY notice of events 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 OIE staff as of 11:00 a.m. on the date of this notification.
IT SHOULD BE SPECIFICALLY NOTED THAT THIS NOTIFICATION MAY CONTAIN INFORMATION THAT LATER MAY BE DETERMINED TO BE INACCURATE OR INCONSISTENT. AN OFFICE OF INSPECTION AND ENFORCEMENT NOTIFICATION OF AN INCIDENT OR OCCURRENCE (BLUE SHEET) SUBSEQUENTLY WILL BE ISSUED IF WARRANTED.
Facility: Portland General Electric Company (Trojan)
Subject:
INITIAL CRITICALITY Initial criticality was achieved in the Trojan reactor at ?.155 hours0.00179 days <br />0.0431 hours <br />2.562831e-4 weeks <br />5.89775e-5 months <br /> on December 15, 1975.
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The control rod configuration and' reactor coolant boron concentration were substantially as predicted prior to criticality.
OIE (Region V) received notification of this event by telephone from our inspector at the Trojan site on December 15, 1975.
Contact:
GHBidinger, IE x27261 GWRoy, IE x27253 JGDavis, IE x27541 Distribution:
J Chairman Anders Commissioner Mason S. J. Chilk, SECY d i Commissioner Gilinsky Commissioner Rowden G. F. Murphy, JCAE
/l Commissioner Kennedy C. C. Kamerer, CA L. V. Gossick, EDO D. F. Knuth, IE J. A. Harris, PA d.
B. C. Rusche, NRR J. La Fleur, ISP T. J. McTiernan, AIA A
K. R. Chapman, NMSS H. K. Shapar, ELD O
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