ML20002B069

LER 80-035/03L-0:on 801103,remote/local Control Switch on Containment Spray Pump 21 Found Not in Remote Position. Caused by Contractor Workman Bumping Switch.Switch Returned to Remote Position

ML20002B069
Person / Time
Site:	Prairie Island
Issue date:	12/03/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20002B063	List: ML20002B060 ML20002B069
References
LER-80-035-03L, LER-80-35-3L, NUDOCS 8012090402
Download: ML20002B069 (1)

Text

(7 77)

LICENSEE EVENT REPORT CONTROL BLOCK: l l l l l l 'IPLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) lay IM !N lP lI lN l 2 l@l 0 l 0 l - l 0 l 0 l 0 l 0 l 0l -l 0 l 0 l@l 25 426 l1 LICENSE l 1 l 1TYPE l 1 Jol@l57 CAl T 58l@

8 9 LICENSEE CODE 14 15 LICENSE NUMBER s.ON'T E

7 8 S R l60L @l610 l 5 l0DOCK l 0ET l013 NUMBER l 0 l 668l@l69 1 l 110 l 3 l 810 l@l112 EVENT DATE 74 75 l 01318 REPORT DATE l o80l@

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h Io l2l l During normal operation, a control room alarm was received announcine l l o l31 l No. 21 Containment Spray Pump in Local Control . An operator dispatched l lo l4 l l to investigate found'the Remote / Local control switch not in the Remote l 10 i s ] l Position. Recent similar event was R0-80-28. Tech Spec 3.3.B.1.a applies. l l 0 l6 ) l No effect on public health and safety since redundant equipment was operable. l I

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I 101811 DE CO E SU8C E COMPONENT COOE SU8 ode S E 8

7 8 l s 1 s l@ W@ lF lh IC lK lT lB lR lK l h W h W h 9 10 11 12 13 18 19 20 SEQUENTIAL OCCUR RENCE REPORT REVISION EVENT YEAR REPORT NO. CODE TYPE N O.

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_ l218 22l 01 L_j 23 l 0l ,l si 24 26 Ld 27 l 0l 3l 28 29 W30 l_1 31 l_0J 32 K AC O ON NT MET HOURS S8 I FOR 8. SUPPLt MAN FACTURER

(_XJQlF 33 34 l@ [Z_J@

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36 l 01 0l 0l 0l 37 40 W@ W@

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h 11101l Contractor worann annaronely hismnna rhn ine n1 switch. Switch was returned l Is lil l to the Remote position. Pump was inoperable about 10 minutes. Covers are 1 1 7 l being fabricated for these switches and selected other safeguard switches. I l

L' LJ l 1 4 l l 7 8 9 80

$A 5  % POWER OTHER STA~US DIS O RY D6SCOVERY DESCRIPTION

@ W @ l 1l0 l0 lh! NA l (A_jhl Control room nnniincintion l ACTIVITY CO TENT aELEASED OF RELE ASE AMOUNT OF ACTIV!TY LOCATION OF RELi ASE

[l_l 6_j [Z_] @ W@l NA l l NA l 7 8 9 to 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE CE SCRIPitON i 7 l 0 l 0 l0 l@y@l NA l

' PERSONNELINJU ES NUVBER DESCRIPTION i a 8 9 l0l0l0l@l 11 12 NA 80 l

LOSS OF OR DAMAGE TO FACILITY TYPE DESCRIPTION Q W@l 7 8 9 10 NA

. 80 l

Q ISSUE @lDESCR,PTION

-7 8 9 10 NA 8012noo 401 i 68 69 i i ii i i i i i iiily 80 %

NAME OF PREPARER

. . ns PHONE:

612-388-1121