ML20039C268

LER 81-027/03L-0:on 811116,discovered That Pre,Absolute & Charcoal Filter Test Not Done on 11 Shield Bldg Ventilation Sys Replacement on 811112.Caused by Procedural Inadequacies & Poor Communications

ML20039C268
Person / Time
Site:	Prairie Island
Issue date:	12/16/1981
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20039C265	List: ML20039C264 ML20039C268
References
LER-81-027-03L, LER-81-27-3L, NUDOCS 8112290150
Download: ML20039C268 (1)

Text

I NRC FORM 386 U.L NUCLEAR REGULATO3Y COMMIS$lON

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LICENSEE EVENT REPORT CONTROL BLOCK: l t

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EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 1012 l l Durine normal operation on 11/12/81, the charcoal filter for the 11 Shield Building l 10 t a l I Ventilation Systen (SBVS) was replaced. On 11/16/81 the shift supervisor dis- l 10141 l covered that Pre. Absolute. and Charcoal (PAC) filter test had not been done on  !

I 10151Ithn 11 RRvs on 11/12/81 ns recuired to verifv onerability (TS 3.6.E.3). The l 10161 111 9RVs tens tenrod nntinfnt-enr41v on 11/16/81. No effect on public health and l l 0 l 7 l l SafetV. I 10181 l I DE DE SUSC E COMPONENT CODE SUS ODE $ E gy 8 9 l A l Alh [D_lh [Z_j h l F l I l L l T l ElR lh yh y h 10 11 12 13 18 19 20

_ SEQUENTIAL OCCUR RE NCE REPORT REVISION LER EVENTYEAR REPORT NO. CODE TYPE NO.

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42 43 44 CAUSE DESCRIPTION AND COR".ECTIVE ACTIONS h I i l 0 l l Procedural inadequecies, along with poor communications, caused this occurrence. l 1

• Ii i l Involved nersonnel will review this report and procedural changes will be made. l iTTTl i I LU.2.J l I i 4 I l 7 8 9 80 STA  % POWER OTHER STATUS diSCOV RY DISCOVERY DESCRtPTION M lElh l1l0l0l@l NA l [_J@lOperatorobservation l s

ACTIVITY CO TENT

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AMOUNT OF ACTtVITY LOC AtiON OF RELE ASE f

i s RELEASE 8 9 L7J 10

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'l' PERSONNEL EXPOSURES NUY8ER TYPE DESCRIPTION D i 7 I nln in l@Lz J@l e I

, ERsONNEL ,N;u'4ES f NUY8ER D ESCRIP TION 7

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LOSS OF OR DAMAGE TO F ACIL TY

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l lJ_LO_l ISSUEl NA @DESCRiPT60N l lll1l1llIIIIl5 8112290150 811216" 6' 6' 8* 5

, PDR ADOCK 05000282 Angn A A Hunstad PHONE: 617-188-1121 E S PDR