05000267/LER-1980-075-03, /03L-0:on 801215-31,plant Operated W/Total Primary Coolant Oxidants Greater than 10 Ppm & Average Core Outlet Temp Greater than 1200 F on Seven Occasions.Caused by High Moisture in Helium Storage Tanks.Tanks Purged

/03L-0:on 801215-31,plant Operated W/Total Primary Coolant Oxidants Greater than 10 Ppm & Average Core Outlet Temp Greater than 1200 F on Seven Occasions.Caused by High Moisture in Helium Storage Tanks.Tanks Purged

ML19341A008
Person / Time
Site:	Fort Saint Vrain
Issue date:	01/14/1981
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19341A006	List: 05000267/LER-1980-075, Forwards LER 80-075/03L-0 05000267/LER-1980-075-03, /03L-0:on 801215-31,plant Operated W/Total Primary Coolant Oxidants Greater than 10 Ppm & Average Core Outlet Temp Greater than 1200 F on Seven Occasions.Caused by High Moisture in Helium Storage Tanks.Tanks Purged
References
LER-80-075-03L, LER-80-75-3L, NUDOCS 8101210410
Download: ML19341A008 (1)

LER-1980-075, /03L-0:on 801215-31,plant Operated W/Total Primary Coolant Oxidants Greater than 10 Ppm & Average Core Outlet Temp Greater than 1200 F on Seven Occasions.Caused by High Moisture in Helium Storage Tanks.Tanks Purged

Event date:
Report date:
2671980075R03 - NRC Website

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NRC FORM 384 U. S. NUCLEAR REzULATORY COMMISSl!N

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$Q EVENT OESCRIPTION AND PRC8ABLE CONSEQUENCES h l o 12 l l During the period from December 15 to December 31, 1980. the olant was ooerated with I io !3l l total primary coolant oxidants (the sum of carbon monoxide, carbon dioxide, and water)!

l o ! a l I greater than 10 ppm and the average core outlet temperature greater than 1200*F on I

l o i s I 1 seven separate occasions. These events constitute operation in a degraded mode of l

i o,e 1 l LCO 4.2.10 and are reportable per Fort St. Vrain Technical Specification AC 7.5.2(b)21 l C l 7 l l No ef f ect on public health or saf ety.

Related reports are 77-36, 78-12, 73-18, 78-37,1 1oia11 78-39, 79-01, 79-02, 79-24, 79-30, 79-/45, 79-53, 30-11, 80-19, 80-22, 80-25, 80-36, l

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