ML19326A060

LER 78-082/03L-0:on 780722,surveillance Testing on Personnel Airlock Not Performed within Required 72-h.Caused by Procedure Scheduling Deficiency.Test Not Adaptable to 7-day Schedule.Airlock Tested as Required

ML19326A060
Person / Time
Site:	Davis Besse
Issue date:	08/15/1978
From:	Tabbert J, Zell J TOLEDO EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19326A058	List: ML19326A057 ML19326A060
References
LER-78-082-03L, LER-78-82-3L, NUDOCS 8001310634
Download: ML19326A060 (2)

Text

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U. S. NUCLEAM M3uuu*a un a w.

RC FORM 366O

'77)

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~ s LICENSEE EVENT REPORT

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI NTROL ELOCX: l l l l l l lh 6

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2 8 9.

lH ID lB UCENSEE CooE lS l1 l@l O l O I -l 0 l 0 l N ! P l F l- l 013 to 13 UCENSE NUMSER

.S 26 l@l4 uCENSE TYPE 40

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3l11 Eu',"T l L@] 0] 5 l 0 { - l 0 { 3 l 684 l 669 @lEVENT 0l7 oATE l 2 l 2 I 7 ) 8 @75 74 REPORT oATE 3 60 El CoCKET NuMSER EVENT OESCRIPTION AND PROBABLE CONSEQUENCES h 1 a t a l 1 On 7/22/78, the Shif t Foreman found no enerv or evidence of a surveillance test eer-f formed on the personnel airlock since 7/16/78. Technical Soecification Surveillance o i31 I d everv 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> whenever i

, o g 41 [ Requirement 4.6.1.3a requires the personnel airlock be teste There was no danger to the health and safety of the public or !

oisj i the airlock is in use.

i The integrity of the personnel airlock was verified before and after

, o is J l unit personnel.

Therefore, the integrity of containment was [

lo ! 71 I the occurrence by surveillance testing.

l (NP-33-78-98) 80 fa6aI i not violated during this period.

7 8 9 Su8 Code Su E SUS E COMPONENT CooE Co i S-l Al@ l D l@ l Z l@ l Pl El Nl El Tl R l@ W@ y @ 13 19 20 to_ts.) 9 to it 12 13 OCCURRENCE REPORT REVt51oN 7 8 SEQUENTIAL No.

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""SEE" M wouRs 22 s lC l3 l1 l0 lg l33 G [ g g g l34Z lg gg 36 3l1 0l 0l 0l 40 l l Y lg di l42 Nlg l43A [g 44 47 34 CAUSE OESCRIPTlON ANO CORRECTIVE ACTIONS @

l~i ) o l l The cause of the occurrence can be attributed to procedure scheduling de listed. l l: 13j l test is not adaptable to the 7 day surveillance test schedule on which it was

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,,,2j l The test was performed and the personnel airlock was declared operable on g,,3l [ 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br />. The surveillance test was removed from the surveillance test sch is perfor=ed when required. I ti i4 i l placed on the Monthly Log Sheet to assure the test 80 7 8 9 otsCovERY oESCRIPTToN at Y oTHER STATUS h POWER l l l l Cl@l Shif t Foreman review of log l t i s l y@ l 0l 0 l 0 l@l NA 44 4s as ao iz is ig, LoCAT1oNo,REuASE@

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' ' nRsoNNd NuM.ER Ex,osSEs Tvn eEsCR,:.oN (sy I NA fiTTI Io I o 10 l@l zl@l PER5oNNEL INJURIES NUMBER CE5CRtPT1oN l NA .-

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s TOLEDO EDISON CCEPANY DAVIS-BESSE NUCLEAR POWER STATION UNIT ONE SUPPLEMLWAL INFORMATION FOR LER NP-33-78-98_

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DATE OF EVENT _: July 22, 1978 1 FACILITY: Davis-Besse Unit 1

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1 l

- Failure to perform surveillance testing on the per- 1 IDENTIFICATION OF OCCURRENCE:

sonnel airlock within the required 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />  !

The unit was in Mode 3, with Power (MWT) = 0, Conditions Prior to Occurrence:

and Load (MWE) = 0.

While reviewing the Unit Log on July 22, 1978 at 1105 5 Description of Occurrence:

hours, the Shif t Foreman found no entry or evidence of Surveillance Test ST 50

" Containment Airlock Seal Leakage Test"within To remain beingTechnical performed on the personnel airloc Specification since July 16, 1978 at 1800 hours0.0208 days <br />0.5 hours <br />0.00298 weeks <br />6.849e-4 months <br />. l 4.6.1.3a, the personnel airlock must be tested within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> af ter opening or b The Shif t Foreman declared the personnel airlock inoperable

\ declared inoperable. i d surveillance i jand directed Instrument and Control personnel to perform the requ re tesc.

The cause of the occurrence can be Designation of Apparent Cause of Occurrence: The surveillance test schedule attributed to procedure scheduling deficiency.23,1978 at 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br /> outsid e the 72 stated that the test was not due until July This surveillance test is to be hour limit of Technical Specification 4.6.1.3t. is performed every 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> whenever the airlock is in use; therefore, this test not adaptable to the 7 day surveillance test schedule. .

There was no danger to the health and safety of the public Analysis of Occurrence:The or to unit personnel. integrity of the personnel airlock was verified before 5061.05. Therefore, the integrity and af ter the occurrence by Surveillance Test ST of containment was not violated during this period.

Surveillance Test ST 5061.05 was performed at 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br /> on The unit then Corrective Action:

July 22, 1978, and the personnel airlock was declared operable.

satisfied Surveillance Requirement 4.6.1.3a and was removed from the action state-ment of Technical Specification 3.6.1.3. The surveillance test was removed from the the surveillance test schedule and placed on the Monthly Log- Sheet to-assure test is performed when required.

) Failure Data: On July 6,1978, the emergency air lock was not shown to Event be opera-

%j tional within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> after the airlock had been opened (see Licensee In this case, only one door was tested hy the surveillance Report NP-33-77-15).

test.-

LER #78-082

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