ML20062H730
| ML20062H730 | |
| Person / Time | |
|---|---|
| Site: | La Crosse File:Dairyland Power Cooperative icon.png |
| Issue date: | 07/25/1980 |
| From: | Linder F DAIRYLAND POWER COOPERATIVE |
| To: | Crutchfield D Office of Nuclear Reactor Regulation |
| References | |
| TASK-02-04, TASK-03-06, TASK-2-4, TASK-3-6, TASK-RR LAC-7055, NUDOCS 8008220135 | |
| Download: ML20062H730 (11) | |
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DA/RYLAND h
[k COOPERAT/VE 90 sox sir 2 sis e4si AV SOUTH L A CAOSSE W1SCONSIN 52foi e
isce) 78s4c00 July 25, 1980 In reply, please refer to LAC-7055 DOCKET NO. 50-409 Director of Nuclear Reactor Regulation ATTN:
Mr. Dennis M. Crutchfield, Chief Operating Reactors Branch No. 5 Division of Operating Reactors U. S. Nuclear Regulatory Commission Washington, D.
C.
20555
SUBJECT:
DAIRYLAND POWER COOPERATIVE LA CROSSE BCILING WATER REACTOR (LACBWR)
PROVISIONAL OPERATING LICENSE NO. DPR-45 LIQUEFACTION POTENTIAL AND SEISMIC ANALYSIS OF SYSTEMS AND STRUCTURES AT LACBWR (SEP TOPICS II-4 AND III-6) - RESPONSE TO REVIEW QUESTIONS
Reference:
(1)
NRC Letter, Ziemann to Linder, dated April 25, 1980.
Gentlemen:
t' In response to Question 2-d which was contained in your letter (Reference 1), we are submitting, as Enclosure-1, a description of a field testing program and results which were obtained from the tcsts.
The program was conducted during the period July 14-18, 1980.
If there are any questions regarding this submittal, please contact us.
[
Very truly yours,,-
DAIRYLAND POWER COOPERATIVF
. lltl;L
'W Frank Linder, General Manager FL:RES:af Enclosure cc:
J.
Keppler, Reg. Dir., NRC-DRO III s c o se c o/35 g
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Cost Of fice Ocx 135
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Attention:
Mr. R. E. $N.msr.:k P!::nt $crer;..te :e-t 7
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Dotentici of L ACE.WR site,,e r. Genoo. VerMn Co.e.ty, '.'."see sin," 'cr your se. TNs report conteins the coto collected et your'oio-t site d.:ri. :) er +.ent test ;orin:
j proc: cm. This test ber;ng pregic n was D. ocosec '. > rti:1 'u!f!!! e it ef rest.v:nie:s 15
- eview quesi%ns por.ed by the i4.decr 2,eguictery Co-a.- rissien (i. C).
NRC techn: col sicff part cipateo in the o!cnn:6g of the tes.t -:.-:no ::rcy;rc:e c.d cis: w!tne.stec rc.ost of the dr:!iirv, c.o testing perfern ec c: ye.r site. The it.tc obicined ci the s;te rncinly co Gist of resvits of Stend:rc Pe.+tret'on Tetts (5 T) y performed in fccr locatio. w; thin ibe develoced creo of te,e site.
The SCT ccio obt[.inco cre co^sistent with the pred*ct;ons rnccc by vs car,' cre 'o 00..v.rcing then the
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.- cye,in of sofety cgeir.st pote-fici f or I;c.;efection et the LACB'44 s:te vrder o. 55:
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.t 1980. Even en !"e Nsis of Cr, See6s review, NRC f el* t'et 50..-ret er, I
rerncined, cnd the liquef action iswe of the L ACB','ii:s si'.- re-se.i r rese!ve '.
t p'3 po As c rescit of f.te rev:ew of the Olf,*. re::rt cf Sep4c r/rer 23. I'W'. ced *b-ls ee. suing technicci discussions,.N._.C.iss;ec te L?.
n o, F e ' r,c r y 2 0, ! !,_",.', c r:... Oc -
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to Show Ccuse" why CPC shevid net riu, c d.--p'e.,.e"t c M*e <cwct :ri g m?e picolou%
to precivde liq >efo !!cn in the svent of cm e.:re:r.i.:a w$'n r:0, g :.-d Mixe i
N cccelerctions of.'l2 g er less (Ref, l2),
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with other sites wnere l'c.eicetion 5:s cc,cerre: cr c en + e use Of ictrt: -.
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Upon reviewing !5e re:,oc..se to the r ow ::ce : te- 'E
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ire.preved cot.:irc,.s.^cer fme strce tures s.::.: < - : < er. s - - ; 'e
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I 2.0 FIELD TESTING i
3.*e-spe: fc Guestion 2-d of i'e IGC Review Guestions r'sN red itet t
f defc be proviced to verify the credicte d Nrfo r StCnCord P-Setrcticn Test F h e ;c,:er *io: i cr:--
conditio"a under the develcred creo of the LACC%R site.
!c:ctions were ident*f:ed cod evok'Cleff I' Referer<e.15. Upen c.P ren'
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N iC, fo fr berings were c:tua!!y dril!ed, c? ?he lot:tto.s e-:t;;te: :. :h :/!:t Plon, Pi:?e 1.
In the test boring progrov were ::s c:*7.<:ce ;..~ 'r Procedures f ollowe
'rdect Plcn su'emitte':i to DPC cnd NRC on July 3.1950 (Ref. IM. *e 'w :" t :~ i.-
in the t-.rS: bey et the ne-thwest c orner
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m:sted rig, using t e r:terv wcsh methed. E.cth borings ext- :-c ! :
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si:5 of t'e chir-. y by Yhte S-61 tr.6-w.nted rig on1 'he J.c. :. er S -
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3.0 ANALY51% AND DISCUSSION j)
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if As discwsed in previous reports, one of the coprocches to en:bsis f
F liquefcetion potectiol is o simplified ernpir'cci one of correlating blow cwat:, to those of sites whose p=st perform nce during ecrtf ockes is known. Evcivet:rg the blow counts from the SPT's in the ic60 borings yicids fcctors of s:fe?/
er-greater than i for cli depths of cencern, os shown in P!ctes 3, '4 c,d 5. N e p;;ts show c line representing o fceter of Sofety of I ct ec:5 depth v.'c;+r e g. ouwd surfoce cecelerotion of.129 from o loccl ecr!h;; sche, cecore y, to 5:ed's si r;i!!!e:S porcecere (Refs. 6,13,17).
It should be noted that 'the low blcw counts obtcired et der'F: Of 2010 25 feet in so ne of these c^d previoJ5 berings were in o str'-Mc.::f;chte icyer of f a f
silt. (Dercent fi cr then e (1200 sieve is tvpiccily betwc:n 40 to 60 f t th::: sdts.
Re:resentctNe p:rt;cle size cerves ore shown in te,e ochnd;x.) The cb:ve ioct was presenfe*d in ci! our c0rlier reports, but ww t'et strm;iy cwNs.. ed,. Se m.<se of th: h:gh pc cento;c ef fines these s;its cre es,sidered a: 'ic.sfi::!c.
la the.Vcrch, I?80 Res:3,se (Rei. !3) e, estir.::e of :-crecsed 2;.I dersitv g
resulting from the drivin; of piles under the re ctor w s cuc9tif'ec.
/m;e thesi estimotes could rot be direct ly verif'eti witneet cir:li:ng i;rcer t he -oc'o*
contoinwnt itself, the e**ect of the pi'es below ine recctor een ciceriy be seen :n the crcrmetic increcse in d'ow cou.ts ceginn;ng ebout 00 feet reicw ;.:e :n DY-: 5. The high N-vcives in Dv.-14 :s com:<: red tc neersy free f k!d :.cr.,;:
- e i*dicote the de sifying influence of driven pUet, t ifi-c=.95 these.
wo Oc.:r g5 e
snowed the ir.fivence of the o!;e( vnder the: ch;r.+ey r o fr e r ?'w > the r...? >r. I t c ca be con!vded thot : si 9ilcr ef f::t c-d prob:b!y better cond; tic.: c.<:st
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rec:for 09d otner structures sup;c'ed by crr.es 3;fes.
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6.0 _SUV.M_MY AN.-.D. CCNCLU5!ON; JI In I?73,1978. IM cno I?SO 3.'.M hos perf orted exter.>ive stedi s c' the t
a geology, seismology, cnd li::veicetion potentic! et the LACSWR sita. Erch ci thew i
'.f studies yielded es:cr.ticllr consistent conclusio"s thot the s;te wcs scie c;;;r:.
liquefcetien under the desigs:ted $5E. Summer.es of the conclusions of e ch 3 t u.y cre given below.
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In 1973, es pcrt cf LAC 5'.'N coplication f:r en cperating !! cerise, D* '/ v *de O studv of geoltxjy oM e9gheer%) *-15' tic!cyy. iw stipoted 3 ctic caid cp : ~1: b:i:
properties end evciv:te- !:q :efcetion pote.-fic! (.~(ef.1). Ir e.iteev e e-icit-f.,e; the 55E should be o MM htensity V! 26ock with its ea; center ne:r the f.ite : d e t c
j the essocicted mcximum horizcnto! grevnd surfeer r.ccelerstier' wev!d b~ i+M '8 : -
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.12g. Aq onclyr.is of licee!:ctica totent ci erra:3te d e 'ecter ei srf?'v ; e.*:r th e n o b o.*t 1,L7 'c r - in&O V. grr'* .d n s'*i"3 ef *- n s h.*?'; fi 0
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re500 Me to !EC*3 5nter ci 0 Evelectien 'tWrd -', l! wT Oen0Mi d 'b0 ?. O' ( 4
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the 1973 rep 3rt wOs 00*siste.t with stete-ef.f e. rt o' !P.e ti-.c, i' qs c: 7- :.
ricte at this time to m9e some r od8ficcti sns. "Tre eevriec*io of '9 l~':
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p resvited ir* C -isirrem ICC*cr ci ciety 0;; P.3 t W.s c i va t i?" nf 4.U,
"!O co-'pc cd close'y 10 !>01 Ocf Cdated in ' ?~3. It wCS O'!.0 re 5*nr.e*::ed t t t: 'iTe that o limited prc.;rtn of vod sterkd $0mp!M', cr.d 0.c!!c trhir;i t-H ^ 0 5..
t:nderio;:en is s'.:st:.!5:'e e:-Her c:. 'czi s.
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$uth c sam li ; Ord *er, ting ;*0grev, wc- ;v.;'e nuate: 0 ; w:s :::
c ?ct In the D&M ret 0f* of 3t ?teF*;;r 23, i37I L e'.
80.
U.dnj, f5f te c.et ;f es !
licuefectlen..o e of 6 cris ti ctr d ?:3 ie.; c-:,e.f f3;$,
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to p35t per!orTor.;; et 0.tr sites, c-t 0 set-i e.- ;tr. c; or; 5:s:0-. W : r$-
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i o;;eler: tion of.129 10.*..'.'i we:pnts c v oi; te: /W the c r ;lfs::.t<.s t ng c : t ; A wa c' yielrec : r in!. -' f:c t ir.s; sc f e t y of +.."'.. )
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$TANDARD FENETRATION Test SLCW COUNTS (N nlues) 3 t
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- WATER TAELE DEPTM 6'ARllO BE TwfEN 8 TO 12 ff ET *ELOW 09 Arf IN IF12 QURING TMF 9f Cth7 TEST COngyp ppcns Au THE s+ ATtR TA9LE WAS MOUT 14 PEET BELOk GR Act.
EtW w it x A13 Q cu ss 'a W16 L VARt Ai80N OF PENFT8t TION BE5: ;il.*;;E WITit P. oTH,
- LL '953 PCE:.*.GS 4
J M001FIED PENETRATION RESl4TANCE, N y
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