ML19338G448

From kanterella
Jump to navigation Jump to search
LER 80-024/03L-0:on 800926,while Completing Repairs on B Charging Pump,A Charging Pump Became Inoperable.Caused by Packing Cooling Pump Failure.Motor Replaced
ML19338G448
Person / Time
Site: Fort Calhoun Omaha Public Power District icon.png
Issue date: 10/21/1980
From: Gates W
OMAHA PUBLIC POWER DISTRICT
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19338G447 List:
References
LER-80-024-03L, LER-80-24-3L, NUDOCS 8010290376
Download: ML19338G448 (4)


Text

1.ltJEIN3CC cv ctN a nct Un l

  • cof4T201. SLOCK; l

? I  ! I I Ih 6

(PLEASE PRINT 02 TYFE ALL P.EcutRED INFORMATION) lo tild 3I N! E! FI Cl Sl ll@l 010101010101Ol01Ol01Ol@lJ!111Ill1l@l uGENSE NI.M64R .5 26 uCENSE Tvrt JJ l

$F JA T 54 l@

? t.1CENSEE COCE le *S con r Ioi I hsj3% L@l015 50 10 10 10 12 !8 15 @l 4 063? 912 I 6 I s ! O l@l 110*EPORT EVENT DATE 74 75 I ? QATE I 1 I o 10 $0 l@

? 8 61 30CX ET NLMs E R EVENT DESCRIPTtCN AND PAC 8ABt.E CONSECUENCES h "A" chargina lo 1:1 l Durina ocwer coeration while ccroletino racaf es on "o rR=,gtng e n-, i i o ,21 I pump became inocerable. Technical Scecification 2.2 was imolemented and maintenance i 10 41 l was initiated on "A" charging cu":o immediately. Technical Soecifications allcw I ioi3; I operation in this mode for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. I 1

l 0 I6 l l l

l3i7l l I

1 a la 11 50 SYSTEM CAUSE CALSE COMP. VALVE COCE CCCE SL8COCE COMPCNENT CCCE SuaCOCE SUSCODE lalat

? 4 ID I Cl@

3 iQ l E l@ l A l@ IM l0 IT 10 IR h l@ LLl@ LIJ @

tt tg 13 13 13 20 SEQUENTIAL OCCUARENCE RE*CRT afvistON EV ENT VE AR m EPCRT NC. COOE n't NC.

3R ao

@ fgg 18 to l 1-1 10!2141 1-1 1013] It1 1-1 Ld 22 21 22 23 24 26 27 ;3 ;3 30 31 TAK N 'AC CN -CLR$ $8 1 8CP s 8. SLP8L E YANLFA TLRER CN 8 NT 1 T IC!@l2l@

3J 34 lZl@

33 lZl@

.6 J 01 01 01 01 4' 40 IV l@

el U@ lil@

42 42 le In la le l@

44 47 cAcSE cEscaiPrios ANo ccanEcTivE AcTtCNS h

! i 4 21 i "A" Charging Puma cackino :colino ouro ector fa? led cweinc +ha harg4ag ,n-n ~ wa 1 i,i,ii inocerable. The packing cooling cumo motor is a 1/5 H.P. motor medel number 1212-  !

,,,,,i X-5192-8. The motor was replaced the same day. I I

iilli 1 I

tiiAti ea

? a>

3  % 80WER OTHER $TATk'S C15 Q RY OISCOVERY OESCRIPTICN NA I OPERATOR OBSEo'/ATION l I I s I l E l@ l0 '

l 6 l 5 l@l" "

IA l@l* so

' ' '2 A!Tiv,Tv C# TENT

.Euasto :,.Euist LeC27,CN C, REux,E @

l w CUNT NA c ,4C ,v,Tv @ i I NA I

'o l' Is' i* l Z I @ lZ !@SEs

.E sCNNE. n ,Cs m.E l i l 71 101010 !@gj@lCEiCR,,T,:N @N A NuM.ER l

So

' ' ' ,ERsCNN A' ~u'!its v .ER :E.CRi,TiCN@

l li141lol0101@i f 5 3 11 12 NA og LOSS

'v8!

OFOCA OAMCN E SCRipTf ACE ?O FACIUTV  %,, h,/

l II I 3I 3g 7 $ i ?Q N N AC USE ONLY ,

!SSUE 3E CRIPTICN l2 l0l l 1 Nk l 56 69 ll l l IlI*lI l l lf

!O %

F I 1 to

'd. Gary Gates 40? 22c J011 i

NAME CP paEPAFER .

,wcNE: A T

801029o 3 7 (

LER No.80-024 Omaha Public Power District Fort Calhoun Station Unit No.1 Docket No. 05000285 ATTACHMENT NO. 1 e

Safety Analysis The inservice inspection of the suction and relief valves of "B" i charging pump was in progress on September 25, 1980. The discnarge relief valve was being rebuilt at this time.

At approximately 1030 A.M. , "A" charging pump packing cooling water pump motor failed. The loss of the packing cooling water puma resulted in "A" charging pump being unavailable for continuous service. "A" charging pump was removed from service for repair and the 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> time limit of Technical Specificatien 2.2 was implemented.

The packing cooling pump motor was replaced and "A" charging pumo returned to service at 1604 the same day.

The repairs were accomplished within the time limits provided in Technical Specification 2.2.

1 a

i y

l l

O LER No.80-024 Omaha Public Power District Fort Calhoun Station Unit No.1 Occket No. 05000285 ATTACHMENT h0. 2 Corrective Action The packing cooling pump motor for "A" charging pump was replaced, e.

1

LER No.80-024 Omaha Puolic Power District Fort Calhoun Station Unit No.1 Docket No. 05000285 ATTACHMENT NO. 3 Failure Data This is the second failure of a packing cooling pump motor at Fort Calhoun Station.

1

' I

. SN

/

i I

Y' !

~

(