ML20003B831

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LER 81-011/03L-0:on 810121,liquid Nitrogen Storage Tank Level Noted Below Min Required.Caused by Sys Usage & Late Delivery of Liquid Nitrogen.Delivery Restored Tank Levels to Acceptable Values.Second Load Delivered to Top Off Tank
ML20003B831
Person / Time
Site: Fort Saint Vrain Xcel Energy icon.png
Issue date: 02/19/1981
From: Gahm J
PUBLIC SERVICE CO. OF COLORADO
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20003B830 List:
References
LER-81-011-03L, LER-81-11-3L, NUDOCS 8102250647
Download: ML20003B831 (1)


Text

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NRc FOIM 366 U. S. NUCLEAR RECULATORY COMMISSION

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  • LICENSEE EVENT REPORT (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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7 8 61 OOCKET NUV88R EVENT O ATE 75 REPORT EVENT DESCRIPTION AND PROBA8LE CONSEQUENCES h lo I:l lOn January 21, 1981, with the reactor operating at aporoximately 40': thermal power,  !

[ 5T3"I l the liquid nitrogen storage tank level was determined to be less than the minimum l l o 141 1 650 gallons required by Technical Specifications. Degraded mode of LCO 4.2.12. Re- l l o 1 s i i portable per Fort St. Vrain Technical Specification AC 7.5.2(b)2. No accompanying [

l o 16 l l occurrence or probable Consequence. No affect on public health or safety. Similar l l 017 l l occurrence RO 80-39.

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33 35 36 34 40 el 43 44 47 CAUSE DESCRIPTION AND COARECTIVE ACTIONS h 1iloll System usage and late deliverv of a scheduled liquid nitrogen delivery resulted in I w Iliquid nitrogen storage tank level being less than required by Technical Soecifi-  !

,,121Ications. Receipt of the scheduled delivery restored storage tank levels to acceptablei i , , 3 g l values. A second load was ordered and delivered to top off the storage tank. I l

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7 9 10 ISSU DE CRIPTION N/A II'I'!I!'I, i 2 I o 1 LUE @l <- 1 NAME OF PREPARER PHONE: (303 785-2224 81022506@ / /~

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