ML19347B616

LER 80-028/03L-0:on 800908,discovered That Continuous Sample Was Not Being Drawn at Environ Air Sample Station AT2.3. Caused by Fuse Which Blew at Time of Electrical Storm.Fuse Replaced & Station Functionally Checked

ML19347B616
Person / Time
Site:	Vermont Yankee
Issue date:	10/07/1980
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19347B609	List: ML19347B608 ML19347B616
References
LER-80-028-03L, LER-80-28-3L, NUDOCS 8010150448
Download: ML19347B616 (1)

Text

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o o LICENSEE EVENT REPOHT LER 80-28/3L CONTROL BLOCK: l l l l l l (PLEASE PRINT CR TYPE alt REQUIRED INFORMATION) l0 l1l8 l9 Vl TlLICENSEE 7

Vl YlCODE Sl 1 l@l 14 015 l 0 l - l 0 l 0LICENSE l 0 lNUMBER 0 l 0 l - l 0 l 0 25l@l 264 l 1LICENSE l1l1 l 1J0l@l T YPE.

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b y L A I' $8 CON'T l O l 1W l g "[,n 3

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8 68 6') EVENT DATE 74 75 REPORT DATE

? 60 61 DOCKET NUMBER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h Io l2l lDuring weekly Environmental Air Sample Collections on 9/8/80. It was discovered thne l

o l3 l j a continuous sample was not being drawn at Sample Station AT2.3. Technical Specifica-l lo l4l l tions Tabic 3.9.1 requires that continuous air sampling be performed. Low plant l l0lsg ] release levels were monitored during this period and past experience has indicated l

[ O 16 l l that these levels are undetectable by environmental air sampling. A previous similarl l o l 71 l occurrence was reported as LER 78-18/3L. I I

101811 80 7 8 9

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lOl91 20 7 8 0 10 11 12 13 18 19 SE QUENTI AL OCCURRENCE REPORT REVISION EVENT YE AR REPORT NO. CODE TYPE NO.

LE R AO b RE,P,OR E l 8l 0] (---J l 0l 2] 8l l/] l0l3l lLl 30

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h lijollThe main fuse for the station had blown out approximately 8.7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> into the sampline 1 liji;[ cycle. A severe electrical storm was reported in the area at ttis time. A new fuse I

,, i.,,;was installed in the sample station and a subsequent functional check of the station l g,i3glwas performed. No further damage was noted. If feasible, lightnixig surge suppres- l 3 4 [

sors will be installed in all nine Environmental Sample Stations. l 7 3 9 80 ST S  % POV.E R OTHER STATUS ISCO RY DISCOVERY OEFRIPTION 11 15 l (J,j@ l0 l8 l9 l@l NA l [Ji_jhl Technician Observati;n l ACTIVITY CO TENT RELE ASED OF f4 ELE ASE AMOUNT OF A TIVITY LOCATION OF RELEASE NA I I ni I L1_18J 7 8 9 LZ_J @10 l Zi@l11 44 45 80 PERSONNEL EXPOSURES NUMBE R TYPE DESCRIPTION j i l 7 ] l 0 ] 0 l 0 l@l Z l@l NA l PERSONNEL'iN,uLS NuMsER OtSCRiPriON@

W l0l0l0l@l 7 8 9 11 12 NA 80 l

LOSS TYPE OF on DAMAGE TO FACILITY h DESCRIPTION v NA l l i l o8l 9Lz_ J@l10 80 7

PUBLICITY NRC USE ONLY

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[ N_J l @ DESCRIPTION NA l l l l l l l I l l l I l l *g 7 8 9 10 68 b9 80 &

NAME OF PREPARER Warren P. Murphy PHONE: (802) 257-7711 {

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