05000317/LER-1980-003-03, /03L-0:on 800108,during Routine Containment Air Lock Surveillance,Emergency Escape Lock Leakage Found Greater than Allowed.Caused by Excessive Leaking of Packing Glands for Doors Handwheels.Packing Tightened

/03L-0:on 800108,during Routine Containment Air Lock Surveillance,Emergency Escape Lock Leakage Found Greater than Allowed.Caused by Excessive Leaking of Packing Glands for Doors Handwheels.Packing Tightened

ML19260D995
Person / Time
Site:	Calvert Cliffs
Issue date:	02/07/1980
From:	Tietjen K BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19260D989	List: 05000317/LER-1980-003, Forwards LER 80-003/03L-0 05000317/LER-1980-003-03, /03L-0:on 800108,during Routine Containment Air Lock Surveillance,Emergency Escape Lock Leakage Found Greater than Allowed.Caused by Excessive Leaking of Packing Glands for Doors Handwheels.Packing Tightened
References
LER-80-003-03L, LER-80-3-3L, NUDOCS 8002120716
Download: ML19260D995 (2)

LER-1980-003, /03L-0:on 800108,during Routine Containment Air Lock Surveillance,Emergency Escape Lock Leakage Found Greater than Allowed.Caused by Excessive Leaking of Packing Glands for Doors Handwheels.Packing Tightened

Event date:
Report date:
3171980003R03 - NRC Website

text

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LICENSEE EVENT REPORT P

CONTROL BLOCK: l l

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ITITl IM 10 lc ic It[! Il@lo 10 l-I of ol 01 olo I -lo I ol@l411 l11111 l@l l

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7 8 It LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LaCENSE TYPE JO 57 CAT 68 CON'T sg,g L j@l0 l 510 l01013 l1 l7 l@l011 10 l8 l 8 l0 l@l0 l2 l017 l 8 lo l@

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8 60 61 DOCKET NUVSER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h o

2: I At 1525, while performing a routine containment air lock surveillance i

I est it was determined that the emergency escape lock leakage was 1.96 l

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3 F5T4"'l ISCFM compared to the allowed leakage rate of.65 SCFM as per TS 3.6.1.6.b.

I lThe increase in leakage was not sufficient to cause a violation of T.S.

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s lTm [3.6.1.2 (tetal containment leakage).

Unit 1 was olaced in action state-l l ment 3.6.1.3.b.

Maintenance procedures were implemented immediately I

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which revealed that only components associated with the outer door were

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9 to 11 12 13 18 19 20 SEQUENTIAL OCCU R R E NCE REPORT REVISION LE R, RO EVENT YEAR REPORT NO.

CODE TYPE N O.

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37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS IMaintenance procedures revealed that the oacking glands for the outer and i

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m linner door handwheels, located outside the containment, were leaking texcessively. The packing was inspected and tightened, and the surveill-i 2

lance test was then repeated successfully. There was no significant in-l 3

g l pact on public health or safety since the inner door and mechanism were i

DISCOVERY DESCRIPnON @

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S seOWER OTHER STATUS n

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Na b Iietien PHONE:

NAME OF PREPARER

LER N0.

80-03/3L DOCKET NOS.

50-317 EVENT DATE 1/8/80 REPORT DATE 2/7/80 ATTACHMENT EVENT DESCRIPTION AND PROBABLE CONSEQUENCES:

(CONTINUED) leaking.

Repairs were accomplished and the surveillance test was repeated satisfactorily. Unit I was taken out of action statement 3.6.1.3.b at 1715.

This is a non-repetitive event.

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS:

(CONTINUED) sealing properly. No further corrective action is planned at this time since the frequency of surveillance testing is designed to detect these problems and allow correction in a timely manner.

w 1951 345