05000267/LER-1981-011-03, /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

/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
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: 05000267/LER-1981-011, Forwards LER 81-011/03L-0 05000267/LER-1981-011-03, /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
References
LER-81-011-03L, LER-81-11-3L, NUDOCS 8102250647
Download: ML20003B831 (1)

LER-1981-011, /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

Event date:
Report date:
2671981011R03 - NRC Website

text

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NRc FOIM 366 U. S. NUCLEAR RECULATORY COMMISSION

' (7 77)

LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

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8 80 61 OOCKET NUV88R 6d 69 EVENT O ATE 14 75 REPORT OATE 80 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

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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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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.

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