05000334/LER-1980-058-01, /01T-0:on 800821,overstress Condition Determined on Unisolable Drain Line & on Isolable Purification Line to Refueling Cavity.Cause Not Determined.Mods Will Be Made Prior to Startup

From kanterella
(Redirected from ML19344E332)
Jump to navigation Jump to search
/01T-0:on 800821,overstress Condition Determined on Unisolable Drain Line & on Isolable Purification Line to Refueling Cavity.Cause Not Determined.Mods Will Be Made Prior to Startup
ML19344E332
Person / Time
Site: Beaver Valley
Issue date: 08/22/1980
From: Lacey W
DUQUESNE LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19344E331 List:
References
LER-80-058-01T, LER-80-58-1T, NUDOCS 8008280399
Download: ML19344E332 (1)


LER-1980-058, /01T-0:on 800821,overstress Condition Determined on Unisolable Drain Line & on Isolable Purification Line to Refueling Cavity.Cause Not Determined.Mods Will Be Made Prior to Startup
Event date:
Report date:
3341980058R01 - NRC Website

text

_ _

U.S. NUCLEAR REQULATORY COMMISSl!N RC FMM 364 87 77)

LICENSEE EVENT REPORT O

CONTROL BLOCx: l l

l l

l l

lh (PLEASE PRINT OR TYPE ILL REQUIRED INFORMATIONI v

i ITF1 l P l A l 3 l V l S l 1 l@l 0 l 0 l-l 0 l0 l 0 l 0 l 0 l-l0 l 0 j@p l1 l1 l1 l1 l@l l

l@

P 8 9 clGEN5EE CocE I4 IS LICENSE NUMSta JS 26 LICENSE TYPE JO

$ 7 CA T Sd 8

.e' % I L l @ l o i 510101013l314l@l0I812l1l8I O}@l01812l21810l@

CON'T 14 75 REPQRT DATE 30 60 el DOCK ET NLM8ER bd 69 EVENT CATE F

8 EVENT DESCRIPTION AND PROB A8LE CONSEQUENCES h f5 TT11 It has been determined that an overstress condition exists on an unisolable drain l

line and an isolable purification line to the refueling cavity during a seismic l

gi Failure of the drain'line could cause partial loss of the biological shield l IoI4IIevent.

l o I s l l depth during refueling; however, the level drop would be slow enough to permit l

ITTT1 I reinserting anv fuel element beine moved before a oroblem develops. There are no I

l g l consequences predicted for the purification line.

l 10181I s0 0E CCOE SuSC E COMPONENT CODE SuSCCOE SU 6

lF lC lh (B_jh l Alh l Sl Ul P] 01 Rl Tlh I Blh l Zlh lo191 7

8 9

to 11 12 13 18 19 20 SEOufNTIAL CCCURRENCE REPCRT REVISION gg EVENT YEAR REPORT NO.

CODE TYPE No.

O",a(g,pg l810l l-l I of sf 81 l/l I of 11 I Tl l-l 10l 21 22 23 24 26 27 29 29 JO 31 32 YaNN" '"CIYEd oU.'fdT

'"u"EEE" wovas @ *s5s*E*5I$' acEiS a.*'U'eti EU vfNIfCTu" men s

l F l@l Z l@

l Z l@

l Zl@

l Ol Ol 01 0l l Nl@

l N l@

lZl@

l Z l 9 l 9 l 9 l@

4 3J 34 JS 36 31 40 41 42 43 44 47 CAUSE OESCRIPTION AND CORRECTIVE ACTICNS h The necessaryl ji:ellNo cause description is known at this time for the piping overstress.

l support modifications will be made prior to startup and any additional details will l

i i I

g lbe reported in the final IE Bulletin 79-14 report.

I ml I

E.,Liji 80 7

s 9 STa

%PowfA OTHER STATUS Dis O RY DISCOVERY DESCRIPTICN Q l X l@ l 0 l 0 ] 0l@l Design l

lCl@lSpecialinvestigation l

8' C"Ci "

"" N N,ACTiuTY.h l alfivity ColTEsT auousT 5 toc 4TioscPnELEasth N/A l

N/A l

=EtEasEo es aELEasE li is i L;] @ L,2j@l

' etasossE$ ExposuaEs cEsCaieTiesh wveta inE l

[ M l010]0l@lZl@l N/A

,Easos%Etis,SEs CEsCaiefiosh l

Nt.v s. a 8, lol0101@l N/A i,

i;

'SU ' " E s'C5',G'o's *'' @

T T

.l

(,,3.j@l N/A 9

,0 NRC Use cNoy issudt @o'EsCa.,Tio~ @

U l

N/A I

i lll!Il!!1I!l}

2 o 68 69

$3. %

7 8 9 10 l

~

f PwCNE:

NAME OF PREP ARER l

80082 80399