ML19321B193

LER 80-015/03L-0:on 800606,during Control Rod Scramtime testing,full-in Control Rods Incorrectly Scrammed & Fully Withdrawn.Caused by Personnel Error.Rod Returned to Correct Position.Procedure Modified

ML19321B193
Person / Time
Site:	Cooper
Issue date:	07/02/1980
From:	Borer P NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19321B191	List: ML19321B190 ML19321B193
References
LER-80-015-03L, LER-80-15-3L, NUDOCS 8007280592
Download: ML19321B193 (2)

Text

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(j LICENSEE EVENT REPORT CONTROL SLOCK; l t

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(PLEASE PRINT OR TYPE ALL REQU! RED INFORMATION) iO I i8 l31 N ILKENSEE 7

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CON'T 10121 5M i t.60 l@lo61is lo loDOCK lo ET1219 l a l@l o 69I 6 I EVENT o f 6181 ol@lo_l 7 lREPORT o 12DATEI 8 I o80l@

7 8 68 DATE 14 75 NuvaER EVENT OESCRIPTION AND PROB ABLE CGNSEQUENCES h O 2 hnring ennern1 ved meram eim, enacing a fn11-in ennerni rnd unn inenrreceiv scrnm- l 10131 Inad and then fully withdrawn. This ennand never en overed 40% for abone one he rir l l o t dj h ,4 n , en 211 vnao k.<ng ,, m e. e.A ,,4nio,4 nye A 3_c 7 ine77gig p no.4 , e n red I l o I s l block monitor setpoints were reached and no core thermal limits were exceeded. This l IO86I hvent oresented no adverse conseenoncon en nublic honich and anferv.  !

l0l7) l l 10181 1 I 03 7 6 3 Sv$7EU CAUSE CAUSE COVP VALVE CODE CODE SLBCOOE COVPONENT CO DE SueCODE SUSCODE 8 i Rl Bl@ [_Aj@ I A l@ l Zl Zl Zl Zl Zl Z l@ [Z_j@ [Z_J 20 7 . 'J 10 al 12 IJ tM l ')

_ SE QU E N TI A L OCCURRENCE REPORT REVISION LE R RO EVENTvfAR R EPOR T NO. CODE TYPE N O.

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JJ 34 JS J6 31 40 42 43 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i l o l The event was caused bv personnel error in that the operator positioned a rod in- l L' LU Eorrectiv durin2 scram testina. Rod var immediatelv returned to correct position.

I Iii?1 Procedure was modified. this report routed to all licensed operators. Event was 1 I i I 3 I idiscussed with individn=1 s involved. l LU ' e! 9I i so I

ST S ". POWER OTHER ST A TUS DISCO R DISCOVERv 0ESCRIPTION W (_gj@ l o l 3 l 9 l@l NA l [A_J@l operator observation I ACTiviiv CO TENT RE u ASEO OPRELEASE LOCATION OP RELEASE @

l AMOUNT u QP ACTIVITY I @I n I LLLaJ J 8 ) Lt J @ L2J@11 10 PERSOr NEL FuPosyRES a

44 45 80 NUMB E R TYPE OESCRIPTION FITl'Io' Io Io l@LZ_J@l" NA l

PERSONNELiN;uLS Nuv ER OESCRIPTiON@

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t tiW OF O't OAUAGE TO P ACILITV TYPE D E SCitlPT TON LLL2J l2_.J@liv n I a i So 1%U t i I LIllP f TON d L l t.1 Ls JDL30 si I Iiiii!iiiiIi 3 N 3 68 69 80 7.

Paul J. Borer pygyg; W6CT NA\tE OF PREPARER {

8067280 M L . -

July 15, 1980 After the water was processed it was analyzed and found te have the following activity levels:

Isotope Activity (microcuries/cc) 3 Iodine-131 1.054X10 4 Iodine-133 1.866X10-Xenon-133 8.308X10-2

. Total Activity 9.07X10-2

3. How many curies of Tritium toes it contain?

Ans.-The spilled water was not analyzed for Tritium content.

4. How many curies of noble gases were released from the containment building?

Ans.-A total of 2423.91 curies oi noble gas were released. The majority (2322 curies) cf the noble gas was Xenon-133. Other isotope included in the noble gases released were:

Krypton-85 Xenon-131M Xenon-133M Xenon-135 I hope that the above information satisfies your concerns. If we can be of any further assistance, please do not hesitate to contact this office.

Since'ely, 0 .

'b[ g> g,l n/ s~ Jh-

/

KarlV.Seyfrit/

Director

Enclosures:

LER No. 50-313/80-15 IE Report Nos. 50-313/80-07 50-368/80-07 i

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