ML20085E487

From kanterella
Jump to navigation Jump to search
LER ER-76-024:on 760730,power Dependent Insertion Limits Exceeded Three Times During Power Reduction to Remove Leaking Feed Pump from Svc.Caused by Rapid Power Reduction
ML20085E487
Person / Time
Site: Palisades 
Issue date: 08/13/1976
From: Bixel D
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
LER-ER-76-024, LER-ER-76-24, NUDOCS 8308120275
Download: ML20085E487 (3)


Text

m

{

\\

V LICENSEE EVENT R.vDRT CC!lIPOL CLCCK.l l

l_

U (MrAGI DHt*1T ALL hEQUmED I?JGrr.iM0!J J 1

L O N51E (101 ter f (Vi hi NAvt iICitG Nt!MIF il T Y11 1Yi 6

{ l:: l 1 l Pl i. l L l 1] [0lUl-lOlOl0lOl0l-l0lO]

{h[]l1l]l1l l0ltj 7 09 14 ib 25 26 03 31 D2 I:i P0iTT WWat i v;'E t rf O DOC F f. T fvuYI;Ut EW NF Ct,f f TWOOT DAf f

$1]CO'J'T l l

l lT]

lLl l0l5l0l-j 0lP]Sl5l

[0lTl3l0l;l6) l 0 l 8 l ; l ; j _7 ! G l 7 U 57 50 L9 tO L1 LLI Ga 74 25 00 FVENT DELCR'PDON

{ l h v '.in Tcid Du p oi3 ] eo!' forcel a rai'id reduct ion in reactor PWer frca O[ to j

7 UU trJ j

[ b V La al]ou r e:n T/ > ' o f t he? ntT.ctod tYed am f e'or ne;.' ice wi thout enurinr* n 7 09 ft )

[d [ q,. + try W f.,,-

.c.J.

e

, r h ] = r ig.: t i. ' be;re. nMit i rn - d ccmtrol red ny 4

7 en v..

h{

c. e r t. i c n._ ha-4 v n h a' incertion liniL: (PDib) wre exceejed on tlirce oce-

)

7 UD Lu

{ [ lons d rit.,

tn ecent, once b; O.T inch f'c-a pcriod of 1 inilmt.e, once b:t 0.h l

i 7 ua e,wt (Ccnta

.r garate Cheet) (Ili-76-;i)

LO cmru emn cmvNr cowow Ci PL CCDF C0VPC '.[NT CcOL tWJt 4 MANUMLTUtt a g10tA T gW f '" ! I l

[E!

!Z!El"l l 5'> l

[ El El S! Zl lYl 7 OO 10 11 12 17 43 44 47 40 CAUSE DESCR M ON

% [ Jr ;in f.ih re o f a 'nin fee d purp rcq'Ji rr.-l a rnlii d rer.ctor power reduction.

l

/ IJ D UO l

3 7 y9 60 1

-I

, ge,7 y METHO3 CF c,T A TUs

% FDA E A OTHER STATU3 DISCO.'e nY L! SCOW FW D' SCr# TION Ef l 0 f 9 i ') l (

NS l

l N[4 i

7 U 9

10 12 13 44 46 4G 00 (DraA OF ACYMTY LQN T E NT HILEA!ED Di I4 LEASE t V 3DNT CF t.OTr/ity LOCATION OF Inf t.SE Id NS 7 8 9

10 11 44 4b UO Pf RGONNEL EXPOUURES NilVDf H TYFC DELLFWTION 1

nlolol L7_1 I

n I

7 09 11 12 13 00 PERSONNEL UJJtlRlES tmum 84 Ot SumtioN Ol0l0l l

NA j

1 7 O9 11 12 UO PROBABLE CONSEQUENCES Ms] [ Uone - Evalu ttien of l>oth chut.down mrgin nnd the linear heat generation rate J

7 H9 og LOSS OH DAMAGI TO FACluiY T WE DI SCH PliGN j

l UA l

1 7 HU 10 og I'UULICITY M

NA l

7 HH gg ADDillONAL IACIOHG

]l (Contd Probabl e-Connequr ne"n ) linl i cated t,hn t. neither limi.t urtn exceeded.

l 8308120275 760813

. I PDR ADOCK 05000255 L_

g 6 Fir PDR

/ H 11 LO

_ _ _.. ___ --...~

i j

~

5 i

i (Contd I' vent Desc riptien F.R-70-2h) i and once by 1.h inchen for a period of 7 ninutc c.

inch for a period of 1 minute, l

l Ac stated einewhere, neither the chutdown inrcin or 1incar 19:at rencration rate i

j vere exceeded.

i

\\.

A review of our Technica.1 Specificationn chance sub::.itted dated October l'2,1972 i

disclo ed th1t it van our intent to permit exceeding the PDlb curve under ab-i norrr.1 conditionn'which regt. ired a rapid power decreane. We conclude that the 1

1 action taken by + he operater vac appropriate and that thi: type of action Wan l

considered acce;&nble during the adoption of the present PDIL curve.

l l

~

We plan to review thic eveat and propone an nppropriate Technical Specifications f

chance which would c.larify the acceptability of thic type of action.

i f

l i

4

?

e a

4 0

I e

I u

f t

i l

\\

J I

.~. _ _.. _. _ _

s)

.w

& ;p i

r_. h s,

.f.

W g;/

L2, c.e,,e,ai on c s. m we.,, u m n.g,,, As o,,oc. ;,u. uon, u,e ni.p n.it,2oi. Area Co@ fM 7 78H-O Y.O Aucust 13, 1976

-. ~

. / I,s i t '

s..-',, - - -

  • h;,,

.?

N N

s

-\\

j 9

t 3 - '

.',\\

-t t

4

c,,1--

..l Mr J r.e n G. Keppler 1O%

t; Of fice of Inci cet. ion c.nd .nforce:: ent i/'K p /(j Q/

US Huelear Iter.ulutary Cc=icsien

'?~, -

". _. O.'-

Begion III

'A, sf-799 'loosevelt Read

Q1j,J.s

/

Glen El. lyn, IL 60137 DOCKET 50-255, LICC;UF DPR PALISidi3 PLA'.T - Eii '(6 EXCEEDI:iG PDIL LIMITJ Attached in a rerortable occurrence which relates to the Palisades Plant. We believe that thic type of cacurrence vill be resolved through clarification of the precent plant Technical Speci f'ientions.

/

- n L- -

U, jc, q

,L-c,-

David A. Bixel Assistant liuclcar Licensing Administrator SG01

\\

NY SENT REGION N

AUG 1 G 1976

-.