05000267/LER-1981-018-03, /03L-0:on 810214,sample Flow Alarm Setpoints of Three Dewpoint Moisture Monitors Found Outside Tech Spec. Probably Caused by Previous Misadjustment.Trip Points Readjusted

/03L-0:on 810214,sample Flow Alarm Setpoints of Three Dewpoint Moisture Monitors Found Outside Tech Spec. Probably Caused by Previous Misadjustment.Trip Points Readjusted

ML20008F713
Person / Time
Site:	Fort Saint Vrain
Issue date:	03/12/1981
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20008F711	List: 05000267/LER-1981-018, Forwards LER 81-018/03L-0.Detailed Event Analysis Encl 05000267/LER-1981-018-03, /03L-0:on 810214,sample Flow Alarm Setpoints of Three Dewpoint Moisture Monitors Found Outside Tech Spec. Probably Caused by Previous Misadjustment.Trip Points Readjusted
References
LER-81-018-03L, LER-81-18-3L, NUDOCS 8104210529
Download: ML20008F713 (1)

LER-1981-018, /03L-0:on 810214,sample Flow Alarm Setpoints of Three Dewpoint Moisture Monitors Found Outside Tech Spec. Probably Caused by Previous Misadjustment.Trip Points Readjusted

Event date:
Report date:
2671981018R03 - NRC Website

text

U. S. NUCLE AR REGULATOQY COMMISSION NCC FCpM 366

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8 60 61 COCE ET NLygEm 56 69 EVENT C ATE 74 75 RE7CRT CATE d0 EVENT DESCRIPTION ANO PROS ASLE CONSECUENCES h I o l 21 l Durins; perfor=anet of a schedcled Surveillance Test, the sample flow alarm setpoints l m l of three dewpoint moisture menitors were found outside the limits of LCO 4.4.1.

l loja#l Table 4.4-1, note (t).

This event constitutes operation in a degraded mode of I

f a l s i l LCO 4.4.1 and is reoortable per Fort St. Vrain Technical Soecification AC 7.$.2N?.

I g [There are no probable consequences and no effect on public health or safety. Redun-l

o;7; ; dant instruments were operable. Similar events were reported as RO 80-08, 78-32, and l 78-10.

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2J J4 JS Se 31 40 43 42 43 44 47 CAUSE CESCRIPTION AND CCRRECTIVE ACTIONS h j i j o I lThe cause of the samole flew alarm setooints beine outside of limits is believed to i

I i e i i I have been misadj ustment at a previous time.

It was not oossible to determine when or l [by whcm the misadjustment was made. The trio points were re-adjusted and the Surveil-l

,,,7, i, ;3g l lance Test completed satisfactorily. All instrument personnel have been re-instructed]

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g,,,, g as to adj ustments of setpoints as specified by the Technical Specifications.

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