05000366/LER-1979-112-06, Physical Inventory Revealed That Intermediate Range Monitors Had Been Moved from Drywell W/O Authorization.Caused by Units Not Being Tagged Snm.Procedure Revised to Require Tagging in Drywell

Physical Inventory Revealed That Intermediate Range Monitors Had Been Moved from Drywell W/O Authorization.Caused by Units Not Being Tagged Snm.Procedure Revised to Require Tagging in Drywell

ML20004E181
Person / Time
Site:	Hatch
Issue date:	06/04/1981
From:	Coggin C GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20004E178	List:
References
LER-79-112-06X, LER-79-112-6X, NUDOCS 8106110308
Download: ML20004E181 (2)

LER-1979-112, Physical Inventory Revealed That Intermediate Range Monitors Had Been Moved from Drywell W/O Authorization.Caused by Units Not Being Tagged Snm.Procedure Revised to Require Tagging in Drywell

Event date:
Report date:
3661979112R06 - NRC Website

text

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tm LICENSEE EVENT REPORT Update Report; previous Re ort Late 10-19-79 bsD) CoNTnolDLOCK: [

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EVEN ( DESCRIPTION AND PROBAOLE CONSEQUENCES h 012110n 10-11-79, while in cold shutdown for. valve maintenance 2 IRMs were re-1 While tagging them with SNM tags it was noted that an IRM that i

ora,Iplaced.

in the area where it had been lef t.1 had been removed October 1978, was not O 4 IA similar event happened on Unit 1 (see LER 50-321/1979-054).

This was I

O s Ithe first qpoortunity to check Unit 2 since the occurrence on Unit 1.

I o a to reouirements specified by Tech Specs 6.9.1.8.f1 O 7 Rhis event is contrary I

No consequences were realized from this incident.

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ilT]'l Replaced detectors--present radiation problem in t a Drywell was considered closed zone and units were nott lililIorywell to decay.

J i,1,3 1 tagged SNM while stored there.

A cleanup was done in drywell during i

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IRM was moved to TIP room without 1

Procedures revised to require tagging while in drywell. l I authorization.

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a LER #:

50-366/1979-112, Rev. 1 Licensec:

Georgia Power Company Facility Name:

Edwin I. Ilatch Docket..#:

50-366

Narrative

Report for LER 50-366/1979-112, Rev. 1 While Unit 2 was in cold shutdown 2 IRMs were replaced on 10-11-79.

While tagging them with the special nuclear materi-al tags it was noted that an IRM which was removed in October of 1978 was not where it had been Icft.

A search of the drywell and radwaste was conducted; neither TIP room was scarched.

The detector was not found in either the drywell or radwaste.

At this time it was thought that the IRM had been processed with contaminated equipment and trash from the drywell and shipped offsite for burial.

An LER (50-366/1979-112) was submitted stating the IRM was shipped offsite for burial.

Ilowever, on 5-4-81, while transferring detectors from 55-gallon drums to an SNM storage box, the IRM w.as found in Unit 1 TIP room.

The 55-gallon drum in which it was found was not tagged.

Detector replacement procedures have been revised to require the tagging of detectors in the drywell and person-nel have been instructed so as to prevent a recurrence.

There was no impact to the other unit, and neither public health and safety nor safe plant operation were affected by this incident.

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