ML20090D266

Preliminary AO 50-219/75-18:on 750623,handhole Covers in Standby Gas Treatment Filter Train 1-1 Not in Place.Cause Under Investigation.Covers Repositioned & Secured

ML20090D266
Person / Time
Site:	Oyster Creek
Issue date:	06/24/1975
From:	Carroll J JERSEY CENTRAL POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
AO-50-219-75-18, NUDOCS 8302250461
Download: ML20090D266 (3)

Text

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

l l -- .

.- o -

o 3: James P. O'Reilly Directorate of Regulatory Operations

. bd=I #

631 Park Avenue King of Prussia, Pennsylvr.nia 19406 Fife 4: Jersey Central Power 6 Light Co=pany Oyster Creek Nucicar Generating station Docket 850-2 Forked River, New Jersey OS731

SUBJECT:

Abnormal Occurrence Report No. 50-219/75/ 18 The following is a preliminary report being submitted in compliance with the Technical

. Specifications, paragraph 6.6.2. .

Preliminary Approval:

LfYfr<A hu2ans J. T. Carroll, J Date CC: Mr. A. Clambusso

. i 8302250461 750624 f, PDR ADOCK 05000219  ;

S PDR J >

COPY SE.NT REGION

o -

o cial Telephone Date of ort Date: 6/24/75 Occuatrance: G/23/75 tial Written Time of

=>rt Dates 6/24/75 Occurrences 2000 OYSTER CREEK NUCLEAR GENERATING STATION FORKED RIVER, NDf JERSEY 08731 Abnormal occurrence Report No. 50-219/75/18 JTIFICATI0ft violation of the Technical Specifications, paragraph 3.5.B.2, when DCCURRENCE: 3 it was discovered that two (2) bnabole covers in the 1-1 Standby, Gas Treatment System Filter Train were not in place.N

~ -_ __ J his event is considered to be an abnonnal occurrence as defined in the Technical Specifications, paragraphs 1.15B and D.

DITIONS PRIOR X Steady State Pcwer Routino Shutdown DCCURRENCE: Hot Standby Operation Cold Shutdown Ioad Changes During Refueling shutdown Routine Power Operation Routine Startup Other (Specify)

, Operation Powers Rr %ernal 1635 Mit Electric 532 Nie Flows Eecirculation 5.1 X 106 lb/hr Feedwataar 6 K 106 lb/hr

~

• stack Cas: 93,000 uci/sec

~

MtIPTION OF On Honday, June 23,1975 at 2000 it'was discovered that two (2) eight i rRRENCE: .

and one half inch handhole covers in the Standby Gas Treatment Filter Train were not in place. W e handhols' covers were found inside the exhaust duct,ane located upstream of the first absoluta filter and eme located downstream of the second absolute flitar. he handhole covers were 4wintely repositicned and secured in. place.

4 O

O

~

O -

nozzmal Occurrence I*98 2 port. No. 50-219/75/18 PARENT CAUSE Design Procedure CCCURRENCE: Manufacture Unusual Service Cor.dition Installation / Inc. Enviror:sental Construction C&nt Failure Operator X Other (Specify)

The cause of the occurrence is presently under investigation.

uxsIs or Ttte Standhy Gas Treatment System filters and exhausts the Reactor

• URRENCE:

Building atmosphere to the stack during secondary con += hat isolation conditions, thereby minimizing the release of 'rmdioactive materials freen the Reactor Building to the environs. Ttie open handhole covers reduced the ability of the system to Perform this function by providing an altarnate flow path to the Standby Gas Treatzment System eshaunt fans.

UmCTIVE ACTICW: The bandhole covers were repositioned and secured.

'IDRE DATA: N/A l

l 1

l -

.s --

. , 7, . ,, . . ' . b.' . .! , <

pared by:./

1. J )

M -

Dates

, //M M M-, M N

, I

.