ML20148U598
| ML20148U598 | |
| Person / Time | |
|---|---|
| Site: | Oyster Creek |
| Issue date: | 03/11/1977 |
| From: | Quintenz T JERSEY CENTRAL POWER & LIGHT CO. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| RO-50-219-77-1, NUDOCS 8103040285 | |
| Download: ML20148U598 (2) | |
Text
...
Initial Telephona-('
D, e of Report Date:
March 10,1977 Occurrence:
March 10, 1977 Initial Written Time of
- Report Date:
March 11.1977 Occurrence:
0940 OYSTER CREEK NUCLEAR GENERATING STATION FORKED RIVER, NEW JERSEY 08731 Reportable Occurrence Report No. 50-219-77-1-lP IDENTIFICATION OF OCCURRENCE:
Violation of the Technical Specifications, paragraph 3.5.B.1, in that Secondary Contain;nent was not being maintained at ali times by virtue of both doors in a Reactor Building Access being open.
This event is considered to be a repoetable occurrence as de-fined in the Technical Specifications, paragraph 6.9.2.a.2.
CONDITIONS PRIOR TO OCCURRENCE:
XX Steady State Power Routine Shutdown Operation Hot Standby Load Changes During Routine Cold Shutdown Power Operation Refueling Shutdown
_0ther (Specify)
Routine Startup Operation The major plant parameters at the time of the occurrence were:
P0ktR.
Core 1380.5 We Electric 467 Kle j
ptog.
Recirc.13.8 x 104 i
gpu Feed 5.03 x 106 lb/hr.
STACK GAS:
11,400 uci/sec.
DESCRIPTION OF OCCURRENCE:
At appmximately 0940 on March 10. 1977 both personnel airlock doors were open at the same time at the access to the Reactor Building northwest corner (elevation 23'6").
The' individuals involved were in the process of performing a sir.ulated medical energency and were transferring a person by stretcher from the Reactor Building.
Because of the length of the stretcher, both doors were open to provide egress from the Reactor Building.
The total length of time both doors were open was approximately las minutes.
~
i
.- THIS DOCUMENT CONTAINS P00RQUAUTYPAGES I
I 8/03614M
+
m r-a
-u' e
.. ~.
Page Two-(
P.eport No. 50-219-77-1-1 P'*
APPARENT CAUSE Procedure OF OCCURRENCE:
Design
_ Unusual Service Condition Inc.
Manufacture Installation /
Environmental Construction Component Failure
_ Operator XX_0ther (Specify)
Personnel failure to recognize possible violation of procedure.
)
ANALYSIS OF Secondary containment is required to minimize ground level OCCURRENCE:
release of airborne radioactive materials, and to provide for controlled, elevated release of the building atrasphere under The ab.ility of secondary containment accident conditions.
to perfonn its function with both airlock doors open was de-Considering the length of time concerned the safety graded.
significance of this event is considered minimal.
CORRECTIVE Since discovery of the violation occurred after the fact, no ACTION:
irmediate action was taken.
Plant personnel have been in the past instructed as to the purpose of the airlock doors and further measures will be taken in training sessions to re-During a critique of the exercise the ec:phasize this point.
personnel involved in this event were instructed on the importanc of maintaining secondary contairsnent integrity at all times.
FAILURE DATA:
N/A Date:
March 10,1977 Prepared by Thccas E. Qui z
~
e
,sup
-.