ML19347F639

From kanterella
Jump to navigation Jump to search
LER 81-017/03L-0:on 810415,one Containment Spray Sys Loop Considered Inoperable During Normal Operation.Caused by Large Amount of Sea Lettuce in Intake Canal,Overwhelming Trash Removal Sys.Circulating Water Pump Stopped
ML19347F639
Person / Time
Site: Oyster Creek
Issue date: 05/14/1981
From: Crosby P
JERSEY CENTRAL POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19347F636 List:
References
LER-81-017-03L, LER-81-17-3L, NUDOCS 8105220287
Download: ML19347F639 (1)


Text

. .-. -_

Cmc PccM 34 6 U.S. NUCLEAR REGULATOlv COMMISSION 87 778

  • t.lCENSEE EVENT REPORT l@ iPLEAsa PRINT OR TYPE ALL REQUIRED INFORMATIONI CcNTmOL sLOcn: l l l l l l l@

~

l

lo I i8 l 2I N i UCENSER F

J i O CCOE lC [P l1 14

[@lIS 0 l 0 l -l 0UCENSENUMGER l 0 l 0-l 0 [ 0 l- l.0 29l0 l@l 26 4UC&m&E l 1l nll Pgll 1l@l 40 $3 si SS 4 CON'T IoIiI 7 8

,""C I80L l@[015 sa 10 10 to 12 l1 p88l@de 00CKET NUMSSR l 0lEVENT 4l liC ATE si si 11@l 34 75 n i sRSPOAT i1I O4ArEi 8 l140l@

EvEN r OEseniPTION AND PMOsA8L1 CONSEQUENCES h m i rAmiting condition for operation per T.S. 3.4.C.3 when one containnent I g l spray systan loop was considered inoperable during normal plant operation i 2

5o y ; lon April 15, 1981. The associated emergency service water loop was ren- 1 i o , s i ; dered inoperable when the water level in the north half of the intake J l C io t i structure dropped below the pump suctions. 'Ihe redundant loop was not i ici:; ;affected and was available if needed. There were no adverse affects on I

,o,a i the puMic h=1th or safety. 30 I

7 8 9 CCM*.

5V378 0AUSE CAUSE VALv f CO*; .CGC7 LUSCGI CCP.tPONENT CODE Sut: cot SVSCCQg joi91 7 4 IS is l@ (Is l@ IC 3 10 I 12 l@ l zl zi zi ziOCCUARENCE

$$CUENTIAL 82 zi zl@ If9 zi@ I zi@

18 REPCAT 20 4 EV15 TON (VENT vta n R EPCAT NO. COCE Tvrt No. l

,j @ ,;LIS sg20 l218 22l 1l l_l 11 l 0l 1l 7l 24 24 lpl 27 l0l3l 28 09 J

20

[_j Il J

'2 WJN 'A'CWJ o!!!iL 57e'r?So*" ouas ^?.'1*r"rE' s .i!%.. '"!.",'.5."'- uA?J!?##le.

lx [ z l@ lzl@ l 0l0l0@l0l [y,j@ lNl@ lzl@ lm z [ 9 19 l9 47[@

M l@l24Fl@ 25 M 33 e 48 42 4 CAUSE DESCMIPTICN AND CORRECTIVE ACTIONS O2'

, , , o ; ; The cause is attribated to natural phencxnena. Strong winds concentrated  ;

,,,,,;large amounts of sea lettuce in the intake canal which overwhelmed the r i

ll.i.Ll , trash removal system en the north side of the intake structure signifi-

,,, y ;cantly reducing flow across the screens. The circulating water punp on that side was stopped which returned water levels to normal. I l

mI 8 7 9 30 QThenSTATVS G C V DISCOVERY ogsCasPTION A  % POWetM Li_.L* l L.EJ@ l 01 71 4i2 l@ln NA l [,Aj@l Ooerational Event l a a a 7 s,jny,,, o,igy,,, toCATioNe,ast: Ass @

r.st Asso er an. Ase

, l AucuNTon ACTiviTv NA l

@NAl "

l li is' I' La.1

...se Net ex,Cs .

Nuo...

@ l zi@&sTv. essCai, Tion @

l i 171 101 a l o l@lz.j@l NA l

1 -

= .. ...N ,t',a . ,

I Nyuetm QtSCRIPTION NA l li t a 8l 9I 0101 O l@l12 11 80 7

tCSS 08 CA CAuaCE 70 PACILtTY Q Tvet Ct5CRe8r?CN  %./

NA l l i l 91 Lzi1@l "

,ssuso avedfrv otscai' Tion eU8105 22 0 '2T7 uaC usE cNLv >

I 2 l ao,f U@lsa Weekly News Release I lIlIlIIII!IIl$

o se se so.-

Paul J. Crosby ,,,,3.g . (609) 693-6037 2,

_ _ _ _ _ _ _,,.we o,= nar.Anen

. _ _ _ _ _ _ . _ , , _ _ _ _ _ _ _ _ , _ _ _ _ _ _