ML19256C961
| ML19256C961 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse |
| Issue date: | 06/15/1979 |
| From: | Klinger G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| PNO-79-167, NUDOCS 7910150791 | |
| Download: ML19256C961 (1) | |
Text
.
PRELIMINARY NCTIFICATI_0N June 15. 1979 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-79-167 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 a_nd is basically all that is known by IE staff on this date.
Facility:
Toledo Edison Company, Davis-Basse 1 (DN 50-346) Oak Harbor, OH
Subject:
ALLEGATION REGARDING STEAM GENERATOR SUPPORTS Region III has learned from the Office of Nuclear Regulatory Research that a knowledgeable individual believes the steam generator supports at Davis-Besse Unit 1 may not be adequate to withstand dynamic loading.
The individual, who insists en remaining anonymous, believes the supports may be underdesigned by a factor of 5 to 10.
The Region is investigating the matter.
At the present time, Region III does not plan to make a press release.
The State of Ohio is being notified.
Region III received notification of the allegation on June 14, 1979.
C_ontact:
G. Klingler, IE x28019; F. Nolan, IE x28019; S. Bryan, IE x28019 W
3-Distribution:
Transmitted H St 3.3C '
Chairman Hendrie Commissioner Bradford S. J. Chilk, SECY Commissioner Kennedy Commissioner Ahearne C. C. Kammerer, CA Commissioner Gilinsky ACRS (For Distribution) sG Transmitted: MNBRG P. Bldq 2;fD V. Stello, IE L. V. Gossick, ED0 H.
P,.
Denton, NRR Region.m u!C I' H. L. Ornstein, EDO R. C. DeYoung, NRR J. J. Fouchard, PA R. J. !!attson. NRR-N. M. Haller, MPA R. S. Boyd, N,RR yg (MAIL)
R. G. Ryan, OSP SS Bldg S.J s W ~
J. Cummings, 0IA H. K. Shapar, ELD W. J. Dircks, NMSS R. Minogue, SD S. Levine, RES
_._.m--
PRELIMINARY NOTIFICATION 1447 360 7910150 0
m
.