ML19338F550

LER 80-026/03L-0:on 800916,while Performing Fire Protection Mod Work in Auxiliary Feedwater Pump 22,workman Accidentally Bumped Overspeed Trip Mechanism,Tripping Valve & Making Pump Inoperable for 15 Minutes.Caused by Personnel Error

ML19338F550
Person / Time
Site:	Prairie Island
Issue date:	10/15/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19338F549	List: ML19338F548 ML19338F550
References
LER-80-026-03L-01, LER-80-26-3L-1, NUDOCS 8010200548
Download: ML19338F550 (1)

Text

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- LICENSEE EVENT REPORT j CONTROL BLOCK: l i

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-(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) l q

QlM 8 9 i N lLICENSEE P l I CODE l N l 2' lQ150 l 0 l- l 0 l0 14 l 0 ! O l 0] -l0 l 025 l@l LICENSF. NUM8 E R 26 4 - l1 l1 l1 l 1'l@L LICENSE TYPE JO l l@

57 CAT 6A l

- CON T .

'l o l 11 SNCE60-l L@l 0 l 5 lDOCKET 0 l 010 l 3 l 0-l 68. 6 @l 0 l EVENT 9 l 1DATE l 6 l 8 l 740 @l1 l REPORT 0 l 1 DATE l 5 l 8 l 800 l@

7. 8 - 61 NUM8ER 69 75 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h ~

lo121l Whit neg orming fire prot'ection modification'vork ln the

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nren nf Mn_ 77 Anyf1 v I gj Feedwater Pump, a workman accidentally bumped the overspeed trip mechanism, trippine l 3 0 l4 l l the valve and making the cump inoperable for about 15 minutes. The evane = = }

l O 151 l annunciated in the control room. Recent similar event was R0-80-16. Tech Snec -

1O is l l 3.4.A.2.b applies. No effect on public health or safety. Redundant eeninmane 1 l 0 l 7 l l l was Operable. l l l018l l  !

DE . CO E S SC E COMPONENT CODE SUSCODE SU E 10191 -I cl n l@ W@ W@ IV I A lL lV l0 lP lh M@ [g,j @

9 10 12 13 18 19 20 a 7 8 11

,_ - SEQUENTIAL OCCURRENCE' REPORT REVl510N LE R/RO EVENT YEAR REPORT NO. ' CODE TYPE NO.

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_ 21 22

[--j 23 l 012 l 6 l 24 26 l/l 27 10 13 I N a W30 9

31 LO_I 32 KN A O P T M HOURS S8 i FOR 1 8. SU L R MAN F C RER I33xl@Lz_J@ lzl@.Izl@ 10 l01010 l Lsl@ LnJO LtJ@ Ic 11 is 1347l@

34 35 36 3? 40 41 42 43 44 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h

. 11 l0 l l Personnel error. Tb2 valve operator was reset. I li til l I li121I I

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, , i 14 I I I O -8 9 80 5A S  % POWER ' CTHER STATUS D1 O RY DISCOVERY DESCR'PTION d W@ l ~1l 0l 0l@l NA l lA l@l Control room annunciation l A TivtTY CO TENT RELEASE . AMOUNT OF ACTIVITY LOCATION OF RELE ASE y y @D OP RELEASE NA l Zl@l l l NA l

, 7 8 9 to 33 44 45 80

- PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION NA l l 1 l 7 l .l 0 l 0 l 0 l@l Z l@l PERSONNE L INJU IES

- NUMBER DESCRIPTION l i l a8l 9.l 0 l 0 l. 011l@l12 - NA l

. 80 LOSS OP oR DAMAGE TO TACILITY '

TYPE DESCRIPTION ll t I 91.[Z_j@l NA l 7 8 9 to 80 PUBLtCITY ' NRC USE ONLY

• g g'S$UED@ DESCRIPTION l NA' l l l l l l l l l l l - l l l *:

7- 89 10 $ Q}QgQ{} %g (8 69 . 80 5

~ NAME OF PREPARER A. . Hunstad pgoyg; M26-W {