ML20126E360

From kanterella
Jump to navigation Jump to search
Submits Addl Info Re Proposed Change 27.Discusses Safety of Auxiliary Neutron Sources
ML20126E360
Person / Time
Site: Big Rock Point File:Consumers Energy icon.png
Issue date: 02/09/1971
From: Walke G
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: Morris P, Skovholt D
US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 8101230166
Download: ML20126E360 (4)


Text

,, m m,g,7., '.t

't

. ;+.

5 m.-

'4 f'.,.

q n

c.

]'

y P,y,g._q, w. y b:g. -

.s.,s.

~

Q y ;n C0ySUMERS POWER.CO!'.P5NY k

iHy,

'/

()

g i

\\n r;

i,,c m n.

.- ~,

m'l4

',.'t t.~:Q

~ M.--

RECElVED

y.. PARNALL. R_OAD. O,F.FI.CE. ':

. y,'if.'

1

  • %l 9

7.i.

...,. ' 5.

~'e

?.c;l JACKS 5N,JICHIGAN,'

- e (gung ' 'gyg 9 AM 10 21

.s

~

e 94., :

.!BiEUMory f,

,f (, W. 517-'787,1987 ;.

7

- U.S. ATOMC DMGY C8MM l

$ M 2-9-71 V.,,'10-10 AM,

^4 TWx LHIT f

^~

c.

A.& i.>. n, ~1. i ~.y i,J.

l_

,a h

' ?:. y,. I j~ f.

[

,,is -/ meag 8

.', w. DR lP A TORRIS, DIRECTOR N o

e

~

MCK l

.+.

D C

C-1 DIVISION OF. REACTOR' LICENSING s

d 8-FEg "n NI b Q9 Q'.'O J US AEC,a. f.a,1... e L.g-

u.

[g9

.g 2

,Ecuurg a

m.., <

b Idd$[@y

.[' WASH'INGTON"DC,

j f

I g

.t e

Ln f

RE-DOCKET.50-155 44

S

~

~

-4' s

r.f,

'G s

Y'

.= 1 DPR-6 2EK g g 2,.

  • v

,g.

74 -

M.5 b

FROPOSED TECH SPEC CHANGE 25 5Ek e

y gg c-

- <= v 3.l Ri I

ADDITIONAL.INFOR!:ATION 4_

E:5 j

e j

\\

Qy rc e

p n. ATT-ER D J SKOVHOLT l

t j

n,-

(;O t

~,' 1 e.

m g.-IN RESPONSE"TO, QUESTIONS ARISING OUT OF DISCUSSIONS WITH YOUR STAFF, F

UE SUBMIT THE FOLLOWING, ADDITIONAL.INFORSATION FOR6THE' SUBJECT TECH e

{

m.. -

~

)

~

TJC SPEC CHAN0E.

l

%Sc.

'...,fe.,

[C5 3:

.. 9,

.A I

h M..,. 4 -

,7 m

4

, y g g.

,,.,.c

) g.OUR SUPPLIER OF-THE. AUXILIARY i1EUTRON,; SOURCES, MDNSANTO,' INFORMS US e.

s c.

L '

pin. ;<

e@d. FAT SHEY.HAVE '.SUFPLIED MANY SOURCES OF THE., S AME. DESIGN TO, THE N 7 g

.o,f.

S u.3 s

o s.

M d.3, DUS_T.RY, THEY SUPPLY.THE_M.DIRECTLY TO _T,HE.. F. UEL M.ANUFACTU,RERS e

W K

f 4{zd M k Q '.,e,'

6;,

l,-

?

4

!DT JH ALL" CASES,KNOW THEIR t ULTIMATE DESTINATION. '-TWO OF -THEIR SOURCES lbg@,5fG.(

a e.3,

q y

w-Edf %VE BEEN IRRADIATED IN THE CONN YANKEE AND SAN ONOFRE REACTORS TO AN.

I l

yy;t.'fg

. ;....n ?

b NtV;IFFECTIVE BURNUP OF AT tEAST 21 000 AND 19,000 MWD /TE, RESPECTIVELY,-

l pfqt g

_n 7,., _ 3 :,..

j

~,

~

'~.. H.c.

MO,3p TH NO ADVERSE ITFECTS. W '.i. O a n

o...

.w-u a"' w. _. x,. _ _h N.'\\".'

h

~

f.

,?J':u a[

_._n

-. _.e j

._ )

~

v g..

'IltCH, TIME,THEY., ARE.T

STERREDjFROM ONE' FUEL BUNDLE TO ANOTHER. THE

~

I

..; ~ ;

+,

1 -e oTRANSTER ' OPERATION 'ITSELF WILL BE < AN ' INSPECTION BECAUSE OF THE CLEAR-3.

t yP.

~.f.,

~

~,

w,

,fLL ' ANCES BETWEEt,( THE SOURCE AND THE FUEL BUNDLE' UPPER TIE PLATE HOLE. THE.

.7 s.

.m o,. 7 4

y " PERTINENT; DIMENSIONS' STACK UP AS.FOLLOWS'FOR THE RELOAD'F, FUEL -

.. ~

,b x,

N.:

L,* p.f ;

t#

_.g

.f

.y

  • -<cs.

ne '(

8' o

$;g.W.W h ik o

^

L i

~l.

>d-p;w.,.c.u ; "a'..2R TI{BE I.D.'c 0.Ja99 PLUS/MINUS 0.0015.

.~.

n.

v i

~g ZR. WALL THICKNESS - 0.032 PLUS/MINUS' O.003 Q ;>l,,

Y Q f, ;,

j'

~

j

[ll

,g ' ' l[

Q.

)

'c, < UPPER. TIE PLATE HOLE - 0.T XX591 PLUS/MINUS 0.003, THEREFORE,

,c,.

.?

.c..

s

.1 e

,. a.

r

^

.. MAX CLEARANCE '- '0.04 55

\\

7

. f, 4 MIfj[ CJ.EARANCE

.,0.0175

^

NOM CLEARANCE - 0.028

~,.,

.a IT. IS OUR INTENTION TO INSERT TWO AUXILI ARY SOURCES INTO THE BIG RCCH '

t 'n

. POINT REACTOR AT THE FORTHCOMING OUTAGE WHICH WILL START FEBRUARY 12, r m a

1971. THEY WILL NOT BE ACTIVATED TO A USEFUL LEVEL UNTIL MID-RUN.. FOR r

du THE NEXT STARTUP, THEREFORE, IF THE STARTUP COUNT RATE IS AGAIN MARGINAL, q:

WE INTEND.TO. PROCEED AS WE DID AT THE END OF THE LAST REFUELING OUTAGE.

i 'r,

IRAT IS, WITH.A LOW-LEVEL. NEUTRON DETECTOR INSERTED INTO.THE CORE, E' STAB-z.

m i, i

LISH THE COLD.' CRITICAL CONTROL ~ ROD C'ONFIGURATION WITH THE REACTOR. HEAD t,

,, c 7 c M N OFF, THEN WHEN THE' REACTOR VESSEL HEAD 'IS ON AND THE REACTOR 15 BEING

\\

f;ER0!JGHT CRITICAL,' C0.MPARE THE COUNT RATE INFORMATION TO ASSURE T ii.

STARTUkIS 'PR,0CEEDkhG 'AS PRbhiC ED.

b

.w e%.

u

., p l

{^

')$. hty

(,

a _ $,3,,,.

,f

'\\

n.

1 I

Fi' EASE ADVISE.US IF IS'PROCEDURF I FUI W rT.um

. ' ASDITION/d..CUESTIONa. ','

r c

<a<,y.

.3.-

.w GERALD J WAL):E

~

r,"JCLEAR FUEL l'ANAGEMENT i.

~

^

~

o a

ADF.I!:I STRATOR s

a-

~

2 s

'./

CC-R L MAUETER s

s R B SEWELL

.j C.J 1.'liRTI:A!: - BIG ROCK POINT 4

E!:r - D',:

o 1

a

- IN LINE BELOW 4 UALL THICV, NESS - IT SFOULD READ -

CORRICTIC::

n r

UrFER T!I FLATE FOLE - 0.591 PLUS/F.INUS 0.003, T}'EREFORE, I

f

')

2 i

O

]

f:IN PLS RECD OY, E!:D EAP 561 e.[g&

Ib

,=

.b

.i t$

w W/2 hfb $

RMQ

+

Jby

'"~iQ., i n

jyyA ' *

's

%%I;* '

g v4 pre g

ynow; DATE OF DOCUMENT:

DATE RECEIVED No.:

Sensamers Power Company Feb. 9, 1971 Feb. 9, 1971 M1 Jackson, Michigan 49201

'T a-

" E"o-

' a

'"C' Serald J. Walke m

to; O RIG.:

CC.

OTH ER.

Dr. Peter A. Morris 1

action = cessaar coucUnatuct O

o*TE ^~s-Ea ED-NO ACTION NECESSARY O co==E~T O

= <:

CLA55 t F; PO6 i 07 FACE FILE COOL:

5 30-155

.Ec ~o.

DESCR PTION. (Must Be Unclassified)

REFEnaED TO DATE RECElvED sy DATE TWI submitting addl info for Proposed g_9,7 g Change No. 25 to Tech Specs.....

I c[ for Ad: TION w

i m BIETRIBUTION:

EsCwsu aEs.

% "M File Cy N-PDR Compliance (3 )

nev.n..y_ sos.A E. trice 6 a taii skovbolt M. Dube salt-n nEuAnas.

D. Thompson nevd (4)

Brie (taughitri)

MSIC(B=eh=%n)

M1 DL u.s. Arouc sucacy couutssic*

MAIL CONTROL FORM roa. AEc-sus

@ U.S. GC VE RNME N T PRIN TIN G O F FIC E; 1970 382 140 l

c?;;lptyph :p b

\\

\\

~

up

.s JKW::

pr

$!$$)

QRf9..

l

%f

{

)

m m

.