ML19344D988

LER 80-029/03L-0:on 800721,liquid Nitrogen Storage Tank Level Determined Below Tech Specs.Caused by Use of Nitrogen Blanket During Loop Shutdown & Late Delivery of Liquid Nitrogen Shipment.More Liquid Nitrogen Ordered

ML19344D988
Person / Time
Site:	Fort Saint Vrain
Issue date:	08/20/1980
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19344D985	List: ML19344D984 ML19344D988
References
LER-80-039-03L, LER-80-39-3L, NUDOCS 8008260478
Download: ML19344D988 (1)

Text

O~ NRC FORM 384 U. S. NUCLEAR REGULATO7Y COMMISSl!N LICENSEE EVENT REPORT CONTROL 8 LOCK: l i

1 I I I l 1h e

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION 1011l l cl 01 Fl S l Vl 1l@l 0101 -l 0 luCENSE 14 15 l 010 l - l 0102h @l264 l 1LICENSE 0 l 0NUM8ER l 112TYPE l 0JOl@lSF CA* I 68 l@

7 8 9 LICENSEE COCE CON'T lolil ,"'uRUlLl@l 0151010101216 l 71@l 68 69 01712 EVENT DATE I ll 81 O l@l01812101810l@

74 75 REPORT DATE 80 7 8 60 83 OOCK ET NUM8 E 84 EVENT DESCRIPTION AND PROBA8LE CONSEQUENCES h lo l2l l On July 21, 1980, with the reactor operating at approximately 9% thermal power, the t

,o,3, g liquid nitrogen storage tank level was determined to be less than the miminum 650 gal-l Io l4 l l lons required by Technical Specifications. Degraded mode of LCO 4.2.12. Reportable l i o I s i I per AC 7.5.2(b)2. No accompanying occurrence or probable consequences. No affect on l lo is l l public health or safety. l l

lo l7l l 1018!!

$$f #

CciE su8CioE CCMPONENT CODE $US O' E su E 1o19l 7 8 I Al o l@ Lx_J@ L2J @ I z I z I z I z I z I z 18 I z l@ LzJ 9 10 11 12 13 18 19 20

. SEcufNTI AL OCOuRRENCE REPORT REVISION EVENT VEAR R EPORT NO; CODE TYPE NO.

LER/R0

@ 4eg ,_211810 I 22 l-1 23 101319I 24 28 I/I 27 10 13 I 28 29 I LI 30 l-l 31 W

32 7K N AC CN O P NT ME MouR$ $8 1 POR 8. $UPPO MANUPAC RER

[JJ@[J_j@

33 34

[_z_j@

25

[J_j@

36 l01010l0I 33 40 lY l@

el l42N l@ lzl@ lz191919l@

43 4A 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS l i i o l l Use of nitrogen blanket during loop shutdown and late delivery of liquid nitrogen I g i shipment resulted in storage tank level being less than required b r Technical Specifi-l ii i21[ cations. Second load of liquid nitrogen was ordered and receiot of both shipments I til3l l restored storage tank levels to acceptable value. I I

lt IAII 80 7 8 9

% PCWER OTHER STATUS I RY DISCOVERY QESCRIPTiON STA I

l1 is l l Cl@ l 010 l 9 l@l N/A l IAl@lPersonnelObservation/ReviewofLoes ACTIVITY CC TENT RELEASE FRELEAsE AMOUNT cP ACTIVITY LOCATION OP RELEASE l1 l6ll zl @l N/A l lN/A i PERSONNEL Exposures NuuSER rvPE oEsCRiPTiON @

I li I 2 I l 0101 Ol@l zl@l N/A PERSONNEL INJU IES NUMSER DESCRIPTION l

11 la8 l9l Ol Ol Ol@l12N/A 7 11 80 LOSS OP CR OAMAGE TO FActuTY TYPE CESCRIPTICN I

li 1911 7 8 9 zl@ltoN/A 60

"" $ "L j issu QE CRIPTION h I I I I I I I I I I I I I; LuoJLdt81N/A -a60 1 NAME OF P EP PHONE: (303 785-2253 .

E ,R -

_ . _ _ . . _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ - - . - _ _ _ _ _ _ _