RBG-21825, Withdraws 850812 Exemption Request for Square D,125 Dc Panelboard.Seismic Qualification for Panelboard,Spec 242.421,completed

Withdraws 850812 Exemption Request for Square D,125 Dc Panelboard.Seismic Qualification for Panelboard,Spec 242.421,completed

ML20133P211
Person / Time
Site:	River Bend
Issue date:	08/13/1985
From:	Booker J GULF STATES UTILITIES CO.
To:	Harold Denton Office of Nuclear Reactor Regulation
References
RBG-21825, NUDOCS 8508140212
Download: ML20133P211 (3)

Text

• i l

GULF STATES UTILITIES COMPANY POSTOFFICEBOX 2951 . BEAUMONT. TEXAS 77704 AREACODE 409 838-6631 August 13, 1985 RBG-21825 File Code: G9.5, G9.20.8 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D. C. 20555

Dear Mr. Denton:

River Bend Station-Unit 1 Docket No. 50-458 Seismic qualification for the Square D,125dc Panelboard,

-Specification 242.421, has been completed. The attached confirmation is being provided in the required format of Enclosure 1 to the Staff's

. July 9,1985 letter. Having successfully completed the seismic qualification testing, it is no longer necessary to pursue an exemption request under 10CFR50.12 for this Panelboard. Therefore, the exemption request for this Panelboard filed as Attachment 1 in letter dated August 12, 1985 is withdrawn.

Sincerely,

f. E. LA J. E. Booker Manager-Engineering, Nuclear Fuels & Licensing River Bend Nuclear Group JEB/ ERG /RJK/kt Attachment 8508140212 PDR 8508 3 4 ADOCK 05000458 0 PDR A

'(i

ATTACHMEN'T

'RBS Seismic Qualification Program Specification No. 242.421 - Square D,125dc Panelboard

1. The testing for the Panelboard is complete.

2. A Certification of Completion (attached) of the test was reviewed for the RBS specific application and was found acceptable.

3. The qualification report will be available for inspection by September 15, 1985. i 1

4. -The panelboard was qualified using triaxial testing. Mul ti frequency, i random motion input for 5 OBE (2 percent) and 1 SSE (3 percent) l over a frequency range of 1 to 40 He was performed, l l

L t-

i

. + ~~... e n.< .:+ m 4-'% , ,, ..'. g::r

.- m .c = .< .mr -

.- .g.

. [Y:.y';' :r%y.;5f-rm.::;.9> $. pr%

.; r-W. g. > -mu.;?.:r eqz=3.n.;:m.fr;-N%.yy.v' tQg:;g+m+gg%m"

.,m~.

r. . .~: s..: .c_...s

. , ,n~

- ~ .:.

.:. = ..

. ma: .- .c

~~ .s :. . * .t

-:a. w .. .. ...~ . r

,..r.

.a. . .

e .

.a a.

.c-t a : -.s . . e.r. 9- .

..s -. :,.s,.-r y c. . : .-s.y:n w cav~,- wy

-,s -:. .

p-se .p Ms.4.M... + p% % % = - '5 W,rp]* % '~l ? Q &. $5

w.me,c : 4 c-- T~ .  :

'w., . .s$x.&: .enw .,p.% j,w.i,. . [._.

i?* W .L*? 4= L Y. 's- s. O 'i! W + Y-i W . T. W. l. @.

,5y l,., #.E44M.-iR .1. . . . . .. . ... . . .. .. . . . . .. . , . , _ . ..ey a , 2e D*

W

- . . A . nt s:

T.g//

CERTIFICATE .

B d 4.il:'-  ?!* b? G

i. .:n5

// Nt SUCCESSFULTESTCOMPLETION %y

. h.% %

. u-E M. If [a.y:- .c.1 n 4d

'i.*.u.

.. _-,gg . #. .c.

09E8 Distribution Pamm1 heard Tatariarc m*,, e  %,1,g .. . Egn*ym sat r- *m"'-

.. r: : e.

. ? r,.., ~ .<t as.-e- .z ge.

,.Pe-*. 4 <:

.&, v.

• ,,. . . Na heise r i_  :. ';; .'.. %.

,.- ,. s : w

(;y; ..

1. . s%.anener samare a c ==anu . -

CostammerP.O.Na/Date 19ernci _i --- .. .

~

.. , . 20107 Date(s)of Testa _snN85 ,. ..

V.. Farmell& Needrick Ime. Test Plan Na ...' w.a e m. .

.. , ~ .

This is to certify the described equipunant was tested en the stated dates in M-

,];

u, i.~

~

ance with the Costauner P.O. and the Farase# A Reindriids, Inc. T:mst. Plan. The equip.

k

- aient anma== fully meet the Acespeed Oriteria statod in the Test Plan. Amannlim encoun- '

mg&, l. '~

.l' " * * -

& bQQ ~

by: m M ,' 8M' Ii '

k:

ROANa Dato a.4 ,, / n.s. .-

001 s/12/ss c,. ~

Ceremariby: d fErht * -

J q :%%f - . Ad .

.-g

• MNM f$C 3, NC, -

eamsenewwcoma ..

. teseP080 Oncutt

.E t 9.0L 90n 388

.. . y-* s-

."e .

.. 981LFCAO. 00e0 doom .,. .

f ~5 f . .

- .....-a.-

2 .

-c.

. . .. . . . -- .. ~

.. ,....~................:  ;. - . . . = ,

f

,. j . . '. . ,.-

L*.y . * .:.-

5 ., ,7.,

e

' << r d ,

..g.; , *u" ,,

f.;;> g

' ' , a. . . .< -: '

, .y ,M. ;y ) -

7 ir. ,

• • .*  ? ,,- ,'.

-g

s. . ..-4 -

W

.. 3.,

..* s.>

s- --'s . , .. . r .' % ; ~. '.% -e..

s 1

...<\ .

f. .*, ,* %:' ...= *'.)*; f- . .a . .. v'n '.~' .?. - -

e

• AL,...*.*,..'

..._..s., - :~ a .a, .

.~.,

. ..;?

p.. #

., . ~4 b : .?;* . '.*

s*. :  :.

.. . ~*.< 5,C '

~7.~

-,iC * '

~ K .? s. ,s ls ..

N d

e -.

~ _

- - - - - ' ~ ~ ^ - ________ _