ML19262A157
| ML19262A157 | |
| Person / Time | |
|---|---|
| Site: | Oyster Creek |
| Issue date: | 10/09/1979 |
| From: | Hinrichs G JERSEY CENTRAL POWER & LIGHT CO. |
| To: | |
| References | |
| NUDOCS 7910260453 | |
| Download: ML19262A157 (2) | |
Text
- _. _
a..
s
~.-...
.. ' ~. ;; : - - -
. a. i.. _. '. s.. -
n...
-~:_.
~
J' Initial Telephone Date of Ret, art Date:
October 9,1979 Occurrence:
October 8. 1979 Initial Written Time of Report Date: October 9,1979 Occurrence:
1630 hours0.0189 days <br />0.453 hours <br />0.0027 weeks <br />6.20215e-4 months <br /> OYSTER CHEEK NUCLEAR GENERATING STATION FORKED RIVER. NEW JERSEY 08731 Reportable Occurrence Report No. 50-219/79/34-iP IDENTIFICATIOM Violation of the TechnIcel Sopef f fcations, nmgraph 3.5.B.1, OF OCCURRENCE:
when secondary containment inteority was not aintained when the personnel access att lock doors wera found open.
This event is considered to be a reportable occurrence as defined in the Technical Specifications, paragraph 6.9.2.a.6.
COMDITIONS PRIOR X
Steady State Power Routine Shutdown TO OCCURRENCE:
Hot Standby Operation Cold Shutdown Load Chances During Refuelin9 Shutdown Routine power Operation Routine Startuo Other (Specify)
Operation The major plant parameterr at the time of occurrence were:
Power:
Reactor 1914 Wt Generator 664 MWe Flow:
R* circulation 15.4 x 10 grm Feedwater 7.16 x 106 afhr.
Stack Gas:
3.2 x 10 uCI/sec.
DESCRIPTTOM On Monday, Octnber 8,1979, at approw imately 1630 hours0.0189 days <br />0.453 hours <br />0.0027 weeks <br />6.20215e-4 months <br /> an OF OCCURRENCE:
operator discovered both personnel ar. cess af riock doors in the northeast corner of the Reactor Building (dnor a19) ware opea simul taneously.
Since this was a hreach of secondary containment inteprity, both doors were i M iately closed.
The operatne then The reportad the occurrence to the Group Shif t Supervisor.
apparent cause of this condition was caused by contractors using this passage.
h 7910260 D _]
,, -......, ~ ~. _
=
,__..._.7_.-~,-.~_.._.,_
7......
-q..-
-.-.~.
Reportable Occurrence Page 2 Report No. 50-219/79/34-lP
.7 APPARENT CAUSE
_ Desfgn Procedure OF OCCURRENCE:
Manufacture Unusual Service Condftion Installation /
Inc. Envirn==ntal Construction Cneponent Failure Operator
_A Other (Specify1 Fersonnel error Personnel failure to recognize a violatico of the Technical Specifications.
ANALYSIS OF Secondary contairmt is requir d to e,Inimize grmmd level re1*ase OCCURRENCE:
of airborne radioactivity materials, and to provide for controlled, elevated release of the building aWsober= onder ace.idert conditions.
The ability of secondary contaimt to perfnen itc functs.>n with both airlock doors open was degraded.
CORRECTIVE To be determined.
ACTION:
FAILURE DATA:
Not applicable j
g' Prepared by:
'[ N[ [ > E726 Date:
' ' ' ' 'f,
I Gary >Hinrichs j
j
_ _., ~ _,
.-.....m_;.,._..._7.-
+
... n._ z.. _ _
g.-
d Boyce H. Grier 0:
Directorate of Regulatory Oparations Region !
631 Park Avenue
~ ~'
~
King of Prussia, Pennsylvania 19406 m
A s
I
%s' Jersey Central Pnwer A light Cm pany FROM:
Oyster Creek Nuclear Generatine Station Docket No. 50-?10 Forked River, New Jersey 08731 Reportable Occurrence F*oort No. 50/219/79/34-1P
SUBJECT:
The following is a preliminary report being subitted in compliance with the Tmhnical Specifications, paragrach 6.9.2.a.
Preliminary Approval:
/-7'4mge(2-
~.1.
Larrol l, or.,r /
Station Superinte e6t Date: October 9, 1979 cc:
Mr. Roger Boyd I
I h
rever/C wsij S