ML20002A759

LER 80-061/03L-0:between 801003 & 13,on Three Occasions, Plant Operated W/Individual Snubbers Out of Svc.Caused by Need for Maint.One Snubber Filled W/Oil & Two Snubbers Adjusted

ML20002A759
Person / Time
Site:	Fort Saint Vrain
Issue date:	10/31/1980
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20002A758	List: ML20002A757 ML20002A759
References
LER-80-061-03L, LER-80-61-3L, NUDOCS 8011210478
Download: ML20002A759 (1)

Text

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U. S. NUCLEA3 CEIULATEY COMRAISSION WecPORM ms

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• LICENSEE EVENT REPORT O.-

CONTROL SLOCK: l 1

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(PLEASE PRINT OR TYPE ALL REQUIREO INPORMATION) l 01 0 I l@

fo'Til 7 8 9I CI'01 UCENSEE FICoot si vi 11@1501 01uCENSE to -l 01NuMcER 01 O! 01 01@ 84 uCENSE 25 2 I il il TYPE 21 JO Ol@l5/ CAT 68 CON'T loi1I s ay l LQl0 l5 l0 l0 l0 l2 l6 17' @l1 88 69 l0 10 13 l8 l0 @l1 EVENT oATE 74 75 l0 lREPoRToATE 3 l1 l 8 l0 80l@

f 8 60 61 DOCKET NUMSER EVENT DESCRIPTION AND PROSASLE CONSEQUENCES h i

Q l On three separate occasions between October 3.1980, and October 13J980, the plant 3 l was operated with individual snubbers out of service for corrective / preventive mainte-f f7TT1 I nance. Although snubbers were operable prior to removal from service, this is inter- l f3 TT1 1 preted as degraded mode of LCO 4.3.10, reported per Fort St. Vrain Technical Specifi- [

[5 Tin l cation AC 7.5.2(b)2. No affect on public health and safay . No accompanying occur- [

lol7l lrence or probable consequences. No similar reports. l I

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18 is 7 8 9 10 11 12 13 OCCURRENCE REPORT REVfSION SEcufNTIAL EV ENT YE AR REPORT No. CooE TYPE No.

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el 42 43 lIl2l0l7lh 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l_i_ l o l l ITT Grinnell snubbers which were operable while in service were removed from service 1

, , , for corrective / preventive maintenance to assure continued operability. One snubber i reservoir filled with oil, one adjusted to avoid interference, and one adjusted to j l assure continued oil supply to snubber. No change in surveillance interval reqtiired. I I

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