05000321/LER-1979-068-03, /03L-0 on 790726:secondary Containment Violated When Support Group Personnel Opened Bldg Airlock Door at Same Time Other Door in Air Lock Was Open.Caused by Design Deficiency.Design Revision Underway & Expected 800101

/03L-0 on 790726:secondary Containment Violated When Support Group Personnel Opened Bldg Airlock Door at Same Time Other Door in Air Lock Was Open.Caused by Design Deficiency.Design Revision Underway & Expected 800101

ML19275A130
Person / Time
Site:	Hatch
Issue date:	08/24/1979
From:	Coggin C GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19275A127	List: 05000321/LER-1979-068, Forwards LER 79-068/03L-0 05000321/LER-1979-068-03, /03L-0 on 790726:secondary Containment Violated When Support Group Personnel Opened Bldg Airlock Door at Same Time Other Door in Air Lock Was Open.Caused by Design Deficiency.Design Revision Underway & Expected 800101
References
LER-79-068-03L-01, LER-79-68-3L-1, NUDOCS 7908310406
Download: ML19275A130 (1)

LER-1979-068, /03L-0 on 790726:secondary Containment Violated When Support Group Personnel Opened Bldg Airlock Door at Same Time Other Door in Air Lock Was Open.Caused by Design Deficiency.Design Revision Underway & Expected 800101

Event date:
Report date:
3211979068R03 - NRC Website

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LICENSEE EVENT REPORT

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2 I While in cold shutdcwn for refueling and maintenance, secondary containment was viol-l l ated when support group personnel opened a building airlock door at the sam ( time the l 3

2 [other door in the airlock was open. This event occurred again_ cn 8-2-79, and B-7-79.

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4 l Secondary containment integrity was demonstrated per HNP-1-3653 to comply with Techni-1 o

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This is a repetitiv' occurrence; see LER 79-29.

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l There were no effects on. public health or safety.

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t Ic L The cause of__this event Gas desian deficiency. 'The dcors were opened simultaneously.

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! The cresent desian of the interlock svste, will not nrevent this. The Architect Encin-I i

I eer has been instructed to revise the cresent airlock interlockirig scheme to further i

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