ML19095A645

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LER 1976-001-00 for Surry Unit 1 Isolation of Process Vent Air Particulate Monitor
ML19095A645
Person / Time
Site: Surry  Dominion icon.png
Issue date: 03/15/1976
From: Stallings C
Virginia Electric & Power Co (VEPCO)
To: Moseley N
NRC/IE, NRC/RGN-II
References
LER 1976-001-00
Download: ML19095A645 (3)


Text

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.*Mr~. *m,*~art c~ }I~s~ley, ';Dir~~i:o:~**.

Office of*Inspect:J:o,;i 'and~Enfoi:c~~nt.i U*. S .' :Nuclear Regul,atory: .~Qrnmiss:io.n. ,.

. Reg:f;on *:t(..:.:: s,u11:e* si.a. ;,. ** **. * :< .>.D~cl~ei No. *. 5~280

  • . ** 230. 'Peachtree: Street~*.* :NortmvQSt: .. .-,,. .*.-'.:: . License No *. DPR,:.;.32
  • Atianta; :*'Georgia . , . *30303* *. . .

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Dear Mr,

. MOSE!ley:. * .,  !. ; * *.*

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. . ,'Purstiarit, to S~rry i:e.ower j,tat:fon Technical .Specification *6.6. 2,... the

  • virginia'.El~cttic: and *Power' C~mpan:v..* he:ireby *submits :fol.'ty ~(40) *copies *of.*.*Re- *..

. po-~tahle. Occurreµce,:No. **

  • AO..;..'sl;,;;76-01~* ,, * . -1
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,, *. *. The .'stibstatice of *:1:his:.*rep*ort' has :bee:n .'reviewed *by ,,the Stati*on Nuclear .

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. Saf~ty ancl,.Operati~g .Committ~e'*and.'will be placed. on the agenda for .the next. * ..

  • ~et:trig .9f: the :Systeni)ifucl~a:r *safe~y*,._and,_Operatirig Co~tt;ee*~ . . . ..

. * * ' ' * ' I. *,. * '* *: ',' ' * ,.'  ?", ' * .* ' * . '* ' . : - * *

  • veey*\ruiy *yours~

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,*.:~:,* *.Vice'. PresJdent:-Po1:-1er c~: j1*~* StallingsSupply.. ,

. arid 'Produc:t:f.on. Operations:.: ..

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  • 0: 0 Enclosure~ ..

40 copies AO-Sl-76-0l ., . ** .. **_.

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cc: :Mr *. Robert w. *Reid, Chief.** .

  • Operating. Rea¢to~s ~rs~ch *'*

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LICENSEE EVENT REPORT AO-Sl-76-01 CONTROL BLOCK:L.__j__~

1 I I I 6I (l:*.SE PRINT ALL REQUIRED ll'Ji=ORMATIOl\l)

LICENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE 7

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8 9 IV I A I sIP Is 11 14 I 1°1°1-1°1° 15 1° 1° 1°1-1°1°1 25 14 11 26 11 I 11* 30oI 10 31 1132.I REPORT REPORT CATEGORY TYPE. SOURCE DOCKET NUMBER EVENT DATE REPORT DATE

@r]coN'T Ip I o I L!.J ~ 101s101~101 2 1 8 1° I 1013101217161 I I I 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION

[§Jg} I During normal operation it was discovered that the process vent air particulate moni- I 7 8 9 80 joj3j I tor was isolated. This is contrary to Technical Specification 3.7-E and reportable I 7 8 9 80 joj41 j per Technical Specificati*on 6 .6. 2 .A(6). Investigation' *revealed that the monitor had I 7 8 9 80 joj5l I been inadvertently left isolated during recent maintenance on 02-24-76. The monitor I 7 8 9 BO

&mJ I was returned to service. (AO-Sl- 76-01) .

  • I 7 8 9 PRIME 80 SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPLIER MANUFACTURER VIOLAT!ON 7

@0 IM 8 9 10 IC I l!_J 11 II jN 12 Is I Tj RI uj 17 uJ 43 Iv 44 j 1 11 1s I 47 w48 CAUSE DESCRIPTION

~ IA technician was investigating a low paper condition on the monitor. After correcting!

7 8 9 80

@]~ !the condition, he left the monitor isolated. Weekly process vent particulate and j 7 8 9 80 EE) jiodine samples on 02-25-76 and 03-04-76 indicated nonnal particulate and iodine (Cont.)!

7 8 9 80 FACIUTY METHOD OF STATUS  % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION EE] L!J l_glsl4l NA ~ NA 7 8 8 10 12 13 44 45 46 BO FORM OF ACTIVITY CONTENT LOCATION OF RELEASE rn RELEASED OF RELEASE AMOUNT OF ACTIVITY 7 8 uJ 9

l3J I 10 11 NA 44 45 NA 80 PERSONNEL EXPOSURES 7 8 9 NUMBER

[@I l_QJQj..Qj .

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TYPE 12 13 DESCRIPTION L NA 80 PERSnNNEL INJURIES NUMBER DESCRIPTION EE8 9Ltltl.2J11 1'=2I _NA_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _8_10 7

OFFSITE CONSEQUENCES lill]8 9I.__N_A-'-.- - -

7 80 LOSS OR DAMAGE TO FACILITY TYPE

  • DESCRIPTION

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7 8 9 10

_ N _ A ~ - - - ~ - - - - - - - _ _ ; - - - - - - - ~ - - - - - - - ~ - -80' PUBLICITY EiiJ NA 7 8 9 80 ADDITIONAL FACTORS EJfilsgL - - , - - - - - - - - - - - - - - - - * ----------------------'so 7

E@JI 7 8 9

--- - 80 NAME: _ _ _ _ _ _ __ PHONE: _ _ _ _ _ __

GPO 8 81

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CAUSE DESCRIPTION (CONTINUED) levels. Several other radiation monitors use a similar filter paper mechanism.

These monitors were checked and found to have proper flow paths. The technicians have been instructed to ensure full operability of a system prior to the clearing of the maintenance. report.

The health and safety of the general public was not affected since the weekly process vent particulate and iodine samples indicated no abnormal activity levels *

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