ML20009A534

LER 81-034/03L-0:on 810504,equipment Necessary to Terminate Release from Liquid Waste Sys & Reactor Sump Found Not Operating Properly.Caused by Plugged Sense Lines on Flow Element Associated W/Control Valve

ML20009A534
Person / Time
Site:	Fort Saint Vrain
Issue date:	06/03/1981
From:	PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20009A530	List: ML20009A529 ML20009A534
References
LER-81-034-03L, LER-81-34-3L, NUDOCS 8107130284
Download: ML20009A534 (1)

Text

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^ s U. S. NUCLEAR REGULATORY COMMISSION NRC f Or.M 366 (7117) .

LICENSEE EVENT REPORT CONTROL sLOCK: l l l l l 1 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI lo lild I9C 10LICENSEE  ! r i CODE s lv 11 l@l 0 lo l- lo lo 14 15 lo 10 lo l- 10 to l@l LtCENSE NuveER 45 41 ilLICENSE 26 1121 TYPE 01@l JO l

5 7 A T Sd l@

CON'T lolil 7 4

[RC[ 60I L @l61 015 lo l 0 lo 12 l 617 DOCKET NUVSER 6d @lo 69 15 EV ENTlo 0 ATE 141811 hlo16101318 74 75 REPORT C ATE l1do l@

EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES h l o 12 ] l0n Monday, May 4. 1981, at 0840 hours0.00972 days <br />0.233 hours <br />0.00139 weeks <br />3.1962e-4 months <br />, it was determined that equipment necessary to I

l o l a l l automatically terminate releases from the Fort St. Vrain liquid waste system and the g o 4,, , l Reactor Building sump was not operating properly. This constitutes operation in a de-l g o , s , l graded mode of LCO 4.8.2 and LC0 4.8. 3 and is reportable per Fort St. Vrain Technical ;

io gg i  ; Specification AC 7. 5. 2(b) 2. No accompanying occurrence. Reportable Occurrences g

g o ; 7 ) l RO 80-52, R0 80-67, and R0 81-013 deal with a related subject area.

I letali 80 SYSTEU CAUSE CAUSE COVP. VA LV E CODE CODE SUSCODE COVPONENT CODE SUSCOCE SU8 CODE 10!91 7 8 9 l a I r l@ W@ W@ l 11 si si Tl al vi@ l E l@ W @

to 11 12 13 16 19 20 l

OCCURRENCE REPORT REVISION SEOUENTI AL EVENT YEAR REPORT NO. CODE TYPE N O.

LER RO i

@ .gPg I 81 11;2 1-1 I ol 31 al I/l I o l 3J 28 29 lt I 30 l-l 31 Lo.J J2

_ 21 23 24 26 27 VET HOURS S8 IT FOR B. SUPPL 1 VAN FAC LRER AREN AC ON ON PL NT LtJ@L2J@ L:J@ bJ@ loIoIoIoI Lvj@

41 b2J@ lnl@ Ir :2 I o I 4I@

43 44 47 i

33 34 35 36 3 40 42 CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS l1 l a l l The cause was partia11v 91tieced sense lines on flew element associated with the flow I gl control valve necessarv for terminating releases automatica11v. Plant Trouble Re- I l

l , , , . , , l port 4-385 written on April 29, 1981, sense lines cleared on ADril 30. 1981. Subse- l l quent testing indicated proper operation of the flow element and auxiliary equipment. l l

1 iia l I 80 7 8 9 OTHER STATUS 15 0 R DISCOV ERY DESCRIPTION

$A 5  % POWE R I1 Ie I LzJ@ l o I 7 I o l@l N/A I IBl@lsamoleAna1ysis l ACTIVITY CC TENT AMOUNT OF ACTf VITY LOCATION OF RELEASE AELEASED sfRELEASE 1 N/A I l

l1 l68] 3l Zl @ l Z l@l N/A 7 to 11 44 45 80

( 8ERSONNEL EXPCSURES l NUVBER TYPE OESCRIPTICN 39 Ii j 7 l l 0l 0l 0l@l Zl@l N/A l PERSONNEL INJURIES NCYBE R DESCRIPTION I

litalIOl01ol@l 7 8 9 11 12 n/A 80 LOSS CF CR DAMAGE TO FACILITY Q TYPE DE SCRIPTION N/

I l i l 91 L7J@l10 s/A SO 7 8 9

'UBLICITY NRC LSE ONLY 8,

iSSU E D OESCRIPTION l

l 12 l ol l Nlbl N/s l l!l!IIl!l!IIl2

• • 69 8o 1 l 8107130284 8106C.

PDR ADOCK 05000267 PHON E:

(303) 785-2224 i, S PDR .-

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