ML19095A646

Submit Reportable Occurrence No. AO-S1-76-01 Re Isolation of Process Vent Air Particulate Monitor

ML19095A646
Person / Time
Site:	Surry
Issue date:	03/15/1976
From:	Stallings C Virginia Electric & Power Co (VEPCO)
To:	Moseley N NRC/RGN-II
References
Serial No. 939 LER 1976-001-00
Download: ML19095A646 (3)

Text

VIRGINIA ELECTRIC .A.ND POWER COMPANY RICHMOND, VIRGINIA 23261 Match .15, 1976'.

.. Docket ~o. : so...:280*

• License*. li)'o ~ *DPR...;32'

• Pursuant. to . Surry. Power. Station. Technical* Specif~catiori: 6. 6. 2,. the Virginia :Electric: and Bower* Coinpany~.hereby .submit!'? forty :(40) copies of Re-portable: Occurrence ijo. AO+sr.:.:.76:.;Ql'.:

The*.substance .of. this report *has .been* reviewed* by. the Station :Nuclear

• Safety and* Operating. Co:imnittee* and will be placed on* the agenda. for the next

.. meeting :of. the. System :Nuclear Safety and Operat1:ng Co:inini:tt~e**.

Very*truly.yours, zl?' )/21. v:19~-~

C. :M. Stalli:ngs Vice President-,-Power:Supply

• and Production*operations Enclosures*

40. copies .:Ao .... sI-}6:,;01* *.

cc: -~r~ . Robert :W. Reid, .Cl4ef Operat1:ng.Reactors*Brancn 4

r---.--

LICENSEE EVENT REPORT AO-s1~16-01 CONTROL BLOCK:L__l~ I I I I O.SE PRINT ALL REQUIRED INFORMATION] .

1 6 LICENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE

@E] I V I A I s IP Is I1 I I O I O 1-1 ° 1° IO IO IO 1-1 I O I 7 89 14 15

° 25 26 I 1. I 1 I 30ol 1' 0 I1 31 32 I

REPORT REPORT CATEGORY TYPE. SOURCE DOCKET NUMBER EVENT DATE REPORT DATE

@ElcoN'T Ip Io I L!J ~ 101s101~1°1 2 1 1°68I 1°1 8 3 2 1°1 1 1741 7 6 I I I 7 B 57 58 59 60 61 69 75 80 EVENT DESCRIPTION nIT?J I During normal operation it was discovered that the process vent air particulate moni- I 7 8 9 80

~ I tor was isolated. This is contrary to Technical Specification 3.7-E and reportable I 7 B 9 80 jo14 I per Technical Specification 6.6.2.A(6). Investigation**revealed that the monitor had I 7 B 9 BO

~- I been inadvertently left isolated during recent maintenance on 02-24-76. The monitor* I 7 B 9 80

@:1§:J ! was returned to service. (AO-Sl-76-01). I 7 8 9 PRIME 80 SYSTEM CAUSE COMPONENT COMPONENT

. CODE CODE COMPONENT CODE SUPPLIER MANUFACTURER VIOLATION 7

@m IM IC I B 9 10 IAJ 11 lJ:IN!S!TjR!Uj 12 17 L!J 43 Iv 11 11 1s I 44 47 w48 CAUSE DESCRIPTION

~ IA technician was investigating a low paper condition on the monitor. After correcting I 7 8 9 80

~ I the condition, he left the monitor isolated. Weekly process vent particulate and I

7 8 9 80

~ !iodine samples on 02-25-76 and 03-04-76 indicated normal particulate and iodine (Cont.)j 7 8 9 80 FACILITY METHOD OF STATUS  % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION EE]

7 B L!J 9 10 Io I sI 4112 13 NA 44

~

45 46 NA 80 FORM OF ACTIVITY CONTENT rn RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 7 8 L1J 9

WI 10 11 NA 44 45 NA 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION

~ lo lo Io I

• W "=-N_A_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___.

7 8 9 11 12 13 BO PERS.ONNEL INJURIES NUMBER DESCRIPTION EE)  ! 0 IO I OI ~N_A_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___J 7 8 9 11 12 BO OFFSITE CONSEQUENCES 7BE0s=---------------------------------------------s~o I NA LOSS OR DAMAGE TO FACILITY TYPE  ; DESCRIPTION 7

fi@8 W 9

NA 10=------------~----------------------------8--lO PUBLICITY Efil l NA 7 8 9 BO ADDITIONAL FACTORS

~ BO 7 B 9 7

Glil8 9 80 N A M E = - - - - - - - - - - - - - - - - - - - - - - - - - Pr.JONE: _ _ _ _ _ __

GPO SOI* 667

b 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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