ML19343A164

LER 80-062/01T-0:on 800908,overstress Condition Found to Exist on Boron Injection Tank Discharge Line During Seismic Event.Cause Unknown.Pipe Support Mods Will Be Completed Before Startup

ML19343A164
Person / Time
Site:	Beaver Valley
Issue date:	09/09/1980
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19343A163	List: ML19343A162 ML19343A164 ML19343A165
References
LER-80-062-01T, LER-80-62-1T, NUDOCS 8009160311
Download: ML19343A164 (2)

Text

-

NRC F!RM 364 U. S. NUCLEAR REGULATORY CCMMISS1!N (7 77)

L!CENSEE EVENT REPORT CoNTRot aloCx: i iPLEt.SE PRINT OR TYPE ALL REQUlHED INFORMATION1, i

l l l l l l@

@ l 4P9 l A lLICENSEE F

B l VCCOE l S l 1 l@l 0 l0 l- l 0 10 14 15 l 0 l 0 l 0 l- 10 l 0JS l@l4 LICENSE 'euveER 26 l1 l1 l1TYPE LeCENSE 11 Al@l$ 7 sal t 54l@

con T s$"C I L hl 0 l 5 l 0 l 01013 l 3 l 4od @l O f g l 0 l al 8l 01@l 0lREPCRT 91 0] ofglOl@

%8 to el QQCnETNyNigER 63 EVENT QATE 74 75 QATE 41 0 EVENT DESCRIPTICN AND PACS ABLG CCNSEQUENCES h A IIt has been determined that an overstress condition exists on the discharge line l I o t a l I from the Boron Injection Tank (BIT) during a seismic event. Loss of this line would I o 4 l constitute loss of the BIT durine a seismic event. Consecuences of this event would 1 ITTTI I;e minimal due to the plant being in Mode 5 and the line would be isolable. I

_I l.2 L J l 10171 I l loisil ao 7 es SYSTEM CAUSE CCMP. VA LV E CAUSE CODE Coct SUSCCOE COMPONENT COOE SUSCODE SuaCCCE II'I'Il l S ! F lh Wh l A l@ lS !U l P l 0 l R l T l@ l B l@ l Z l@

9 10 12 13 ts 19 20 7 8 ft

,,,. SEQUENTIAL OCCURRENCE REPCRT REVl510N EVENT YE AR R EPORT NO. CCCE TY8E N O.

LE R. no

@ ,RE,P,g

_4:

l 8l 0l 22 l-l 22 l016l2l 24 2.

l/l 27 l0l1l 2s 2s lT I a

l-l si LJ 22 K N AC ON ONP NT 9E M MouRS SS I PCR B. Syp LIE MANUPACTLAER I2J FI@lZ 34 l@ W@

33 l26Z l@ l010l010l 21 40 lYl@

43 lNl@

42 l43Al@ l Zl 9l 9l 9l@

44 47 CAUSE CESCRIPTICN AND CCARECTIVE ACTIONS @

I , j o i lNo cause is known for this Condition. Pipe support modifications to alleviate the l y loverstress condition will be completed prior to plant start-up. I fiTi"1 1 1 l

LLLJ l l I l,,,i.,,1,1,j r as So 5f L l1l5l [H.,J @ l Ol Ol Ol@ l

%PCWER CTMER STATLS Desien 55 RY Special inspection DISCOVERY CESCRiPTION h l lCl@l** 'o l -

ACTiv,Tv Cc'?r ENT P E u AsE

" 5 dijsc^'i " "

LoCATic~e,.EuAsE@

.Euest A cunt N/A CP ACT,v,Tv @ l N/A liislI:I@o:

I 5 9 lcl@l 10 it 44 l

45 30 l

PER$CNNEL EIPO$ cats NU*.tS E R TY8E C E SCRIPTION -

l'iTT1!0IO!Ol@l:l@l

' ' ' 2 "

N/A a

l nRscNNEL . 'R,Es NuveER oEsCRiPrioNh A 1010101@l

, . , i, u N/A I

'#5,5E "'Vc'N '' " @

P R l Z l@Us'C 7 8 9 l

10 N/A 30 l

description

. CC ,

7 o issvE@l l N/A _J  !!!!!!!!!!If li F 5 J 10 64 69 80. ;

W. S. Lacey PHCNE.

~

NAME OF Pggga _

80092603ll

Attachment To LER 80-62/01T Beaver Valley Power Station Duquesne Light Company Docket No. 50-334 No further information is available or needed to satisfy the reporting requirements.

e l

i