ML19256C628
| ML19256C628 | |
| Person / Time | |
|---|---|
| Site: | Oyster Creek |
| Issue date: | 05/04/1979 |
| From: | Bryan S, Jordan E, Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| PNO-79-100A, NUDOCS 7910100636 | |
| Download: ML19256C628 (2) | |
Text
PRELIMINARY NOTIFICATION May 4,1979 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-79-100A This preliminary notification constitutes EARLY notice of event of POSSIBLE safety o: public interest sianificance.
The information presented is as initially received without verification or evaluation and is basicaliy all that is known by IE staff on this date.
Facility: Jersey Central Power and Light Company Oyster Creek Nuclear Generating Station Forked River, New Jersey (DN 50-219)
Subject:
INDICATION OF A LOW WATER LEVEL IN REACTOR The reactor remains in cold shutdown condition with shutdown cooling in operation.
The NRC and licensee's investigation of the conditions surrounding the low water level occurrence is continuing.
An investigation team from IE and NRR have interviewed operating personnel involved in the incident, reviewed the transient data, inspected licensee procedures and monitored the licensee's investigative actions.
Preliminary investigative findings indicate that an adequate reactor water inventory existed during the transient to maintain core cooling.
No abnormal reactor coolant activity has been detected from analyses of reactor coolant samples.
Survey results obtained by IE inspectors monitoring the isolation condenser piping (surface contact, steam from the reactor) show no abnormal radiation readings and confirmed the licensee's findings.
No abnormal activity releases have been detected as a result of the incident.
The licensee is performing a mass reactor water inventory balance to con-firm that adequate core cooling was present at all times during the transient.
The licensee's consultant, General Electric, has completed preliminary cal-culations which indicate to them t.iat adequate core cooling existed durino the transient and the core remained covered.
The reactor will remain in cold shutdown until the findings of the incident investigation have been raviewed by NRC.
Projected plans for re-start of the reactor are yet to be made.
Moderate media interest has been experienced as a result of the incident.
The Public Affairs Officer has continued to maintain an office at the site.
The licensee has issued an up-dated press release.
This PN up-date is current as of 3:00 p.m. on May 4,1979.
CONTINUED IMMEDIATE PRELIMINARY NOTIFICATIUN 01Of}
Continued PNO-79-100A Page 2 May 4, 1979
Contact:
ELJordan, IE X28180, SEBryan, IE, X28019, NCMoseley, IE, X8160 Distribution:
Transmitted H St $ lI 6 P D a Chairman Hendrie Commissioner Bradford S. J. Chilk, SECY Commissioner Kennedy Commissioner Ahearne C. C. Kannerer, CA Commissioner Gilinsky (ForDistribution)
NMBB 6l)0 8 b. Bldg 3'f/d r/7 J. G. Davis, IE Transmitted:
P L. V. Gossick, EDO H. R. Denton,ffRR Region I f*f0 Y7 H. L. Ornstein, ED0 R. C. DeYoung, NRR Region 11 9K J. J. Fouchard, PA R. J. Mattson, NRR Region Illo:cio go. g N. M. Haller, MPA V. Stello, NRR Region IV M W 4 P. G. Ryan, OSP R. S. Boyd, tRR Region V oms H. K. Shapar, ELD SS Bldg 1r' V f/7 (MAIL)
W. J. Dircks, NMSS J. J. Cummings, OIA S. Levine, RES R. Minogue, SD PRCLIMINARY NOTIFICATION 1447 210
.