ML20141L911

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Forwards Util Reporting Incident That Occurred at Plant on 720818 Concerning Outside Tank Activity.W/O Encl
ML20141L911
Person / Time
Site: Oyster Creek
Issue date: 08/31/1972
From: Skovholt D
US ATOMIC ENERGY COMMISSION (AEC)
To: Siess C
Advisory Committee on Reactor Safeguards
Shared Package
ML20091A092 List: ... further results
References
FOIA-91-282 NUDOCS 9203270097
Download: ML20141L911 (1)
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Text

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- 8 ATOMIC ENERGY COMMISS!ON I '

w AsmNovos, o c. roso August 31, 1972 ww a ,,.

II 33 Docket No. 50-219

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Dr. Chester P. Siess Chairman, Advisory Coannittee on Reactor Safeguar6 U. 5. Atomic Energy C%n ission

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Washington, D. C. 20545

Dear Dr. Siess:

Sixteen (16) copies of the following are transmitted for the Comit tee 's inf ormation:

Letter f rom Jersey Central Power 6 Light Company dated August 28, 1972, r ; orting an incident that occurred at Oyster Creek on 8/18/72 in which the outside tank activity excet-ded the total activity limit of 10 curies as set forth in Technical specification 3.6.C.

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. Sincerely, l ((

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'yhud Donald J. Skovholt Assistant Director for Operating Reactors Directorate of Licensing

Enclosures:

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l'l O E SUFPLDIENT Wo.158 CAT 500RY B Destar Creek October 4, 1971 CkN' int cm MS Radweste Tank Activity 7,,4[ , ,

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- Jersey Central Power and 1.f aht Company let ter dated aumust M.1972 reports that the outside tank activity exceeded the total estivity limit of 10 curies (it went to 13 euries) for a period of at taast two hours. Hastes were recycled to tanks within the reemaste factitty and ee se was 1 ster trocked of f site to reduce the estivity in the outside tank.

No ACES action is rocosamended.

The enclosed material may be discarded af ter your review.

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(JCM)_

l WRS Semi-Annual Report

.: 6 l ACRS Jersey Central Power and Linhe Company letter dated August 31. 1972 i forwards Semt-Annual Report No. 4 covering the period Ja mary 1, 1972 through June 30, 1972.

During the first six months of 1972, the plant had en everall availability factor of 68.5%. During this report period, the unit was shutdown from May 1 to June 20 for- a scheduled partial l

turbine-generator inspection and reactor refueling and inspection.

In addition, the plant was shutdown for short durations several times during the report period, including four (4) unplanned l These resulted from a feedvatar pump automatic reactor scrams.

l trip, operator training, low sondenser vacuum (worn punap seals) .

l trip of presss> nritches while performing surveillance tests.

This document should be retained for possible review in the conversion from a POL to an FOL.

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Form A1 Colts (Rev 9 53; AECM 0240 e*e eu-to-aim i .o-ets

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$UFPLEMENT No. 150 fITEGORY B i

Orster creek October 5,h,k~srw

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trR$ Outside Esdwaste Tank Activity .(% A . t.- g g

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Jersey Central Power & Light Ccepany letter dated September 18, 1972 reports that the activity level in the outside radvaste tank eaceeded the 10 curies limit. Waste was racycled and the levels -

reduced to acceptable values.

A review comittee has been established to compile a report su:amarising the problems that have been encounterad with radwaste operations. Also, tl.e investigation of radwe.ste problocs by an outside consultant is underway with the aim toward making prompt recoesoendations for innedtate corrections to procedures and equipment to reduce the problams in the

short-term and permanent modifications to eliminate the problems in the future.

No ACRf action is roccenended.

4 The enclosed esatorial any be discarded after your review.

(JCM) l WRS Loss of Air __ Pressure in Scrara Pilot Valve Header Lersey Central Fover & Liaht Company letter dated September 28, l l 1972 reports an incident in which air pressure- was lost in i

l' the scram pilot valve header. Excessive leak > ge from some scran, pilot valves and greater than anticipated flow restriction through another valve teamed up with a loose wtre to cause a spurious scram.

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An investigation and corrective action have been initiated.

I No ACRS action is recomended.

I The enclosed material should be retained pending completion of the investigation and corrective action.

(JCH)

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