ML20065E218

From kanterella
Jump to navigation Jump to search
Forwards Revised Significant Hazards Consideration Per 881202 Application for Amend to License NPF-18 Re New Locations of Breakers for RHR Shutdown Cooling Suction Isolation Valve
ML20065E218
Person / Time
Site: LaSalle Constellation icon.png
Issue date: 01/11/1989
From: Morgan W
COMMONWEALTH EDISON CO.
To: Shemanski P
Office of Nuclear Reactor Regulation
References
NUDOCS 9010020041
Download: ML20065E218 (2)


Text

-

^

4' f:Si L,, t l

J 00mMORWO90th Edl80R' One Fir 2 Ntional Plan, Chicago. lilinoisl M ih_ %.

  • 4, Address Reply to; Poet Omce Box 767 m-b ;g; g,

. Ch% tilinois 60690 0767 f j

g

' January 11,,1989'

  1. X 1

s Jn; w"

h;.

S., y 1

o ~.

7 ly (Office of-Nuclear Reactor Regulation-

' U6S. Nuclear Regulatory Commission

~ AT'IN Mr. - Paul ~ Shemanski ~

'Nashington, DC'.20555 4

Subjects. LaSalle County Station Unit 2~

Supplement to Application for-

'. M Amendment to Facility Operating i_

. License.NPF-18, Appendix A, Technical Specifications - Revision y

of Table 3.8.3.2-1 NRC Dockgt No._50-374 References (a): 'W.E.-Morgan letter to U.S. NR'C dated

  • h December 2, 1988 transmitting Proposed s

+.

-(b):-

P.C. Shemanski1 1etter to H.E. Bliss dated December-27, 1988.-

o'

' Dear Mr. Shemanskis.

.. Pursuant-to 10 CFR-50,. Commonwealth Edison applied'for_an amendment

's

. < to: Facility, Operating License NPF-18," Appendix A, Technical' Specification -

m Jim '

,(Reference _(a)).-_-.The purpose of_this amendment was to revise Table 3.'8.3.~2-1 3'

to reflect new locations; of ' breakers for Valve' 2E12-F009, Residual Heat:

2.. A Removal' Shutdown _ Cooling Suction Isolation Valve.
te, i E S.

, f,"

Reference;_(b) requested' Commonwealth Edison to reevaluate'the

j f,d
significant hazards consideration of the above mentioned amendment request!and" Wbk resubmitL.lt;for NRC review. 'Thelfollowing, attachment provides'the: request'e'dg I

b f ys? /information.

1 i

Please direct any questions you may;have'regardinglthis matter!to'

' this' office.

qs x,%

Very truly yours,

'ia

+

f;e ' ~

s -

i n

M

.s '

9'T $

W.-E..

organ Nuclear Licensing Administrator 1m

+

n m., n a v

45 NAttachment-9010020041 890111 ADOCKOSCOg4 DR-W' pl ' j5492Ki

- 41 g C /.

} yl i

,@m ' lg S.pt,-!p

. 88 4

jk.

4

+

)

j

7

'ey

' [.

~..

~

j&[

yy y ;,; :.5 - -

+

4 t

s l,[

-)I

{7 s

iATTACHMENT!

%y _

1-g SIGNIFICANT HAZARDS CONSIDERATION

+

w

.. This proposed amendment reflects the changeLin: location'within the'same motor control center of the breaker compartment used to control l the Residual LHeat: Remov'al: Shutdown Cooling Suction IsolationMalve 2Eit-F809 7 'Itlaiso-ideletes references to' manufacturer part numbers because of changes to thef

~

part numbers.

. Commonwealth Edison has evaluated the proposed Technical Specifications 4

! Amendment;and-has determined that it-does not represent a significant

. hazards consideration. ' Based on:the criteria for defining;a significant-.

1 hazards' consideration astablish'ed in 10CFR50.92, operation of LaBa11e County d

n s

Station Unit' E'in accordance with the proposed amendment will net:-

I ;'

i l

1)

Involve.a significant' increase in the probability or consequences of ani p

-accident previously evaluated because l:: ;

The components themselves are unchanged with respect to their[ form,

~

' fit and function.. This change does net in any wayceompromise or i

e change;the basic function;of the equipment affacted,

' 4

j

- 2) ^

Create the possibility.'ofia.new or different; kind of accident from any accident,previously evaluated because:L i

%g

, The function of the-breakers 'af fected is = unchanged /andfall associated, design requirements as required by.the. Technical Specifications are

-unchanged.

J

~

g

~

iI, '

3)L Involve.a significant reduction ~ in the'marginEof safety becauset

[*

The proposed' change is;merely an administrative changejwhich has no q

effect on the margin of' safety.

]

p&

4 y

jh ?

E.

10 f'

.j g

1

-I

'g t

{,.

p' ' o lf "

i?

ki i

M' s

C

6!

{ < >' l E

_