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4 UNITE 3 STATES
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EAR REGULATORY COMMIS$10N
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W ASHINSTCN. D. C. 2055s l
Docket No. 50-219-E
'I E Jersey Central Power 6 Light Company-ATfN: Joseph Ferrars, Jr.
Deputy Attorney General Division of Law - Room 316 Newark, New Jersey 07102 Gentlemen:
As.a result of our review of the geotechnical study r61ating to the proposed new liquid / solid radwaste building submitted by your letter dated March 6, 1975, we have developed a Regulatory position regarding your proposed foundation design and have identified additional information that is required to complete our review..The position-and the additional information required, listed in Enclosure 1, were discussed with your staff at a meeting held in Bothesda on July 24, 1975.
In order to complete our review in a timcJy manner, we request
~that you submit responses to 'the items listed in Enclosure 1 by September, 15, 1975.
For your information, the current NRC staff position regarding scismic design requirements for structures housing radioactive waste management. systems is stated in Enclosure 2.
Picaso contact us if there is any additional information needed regarding our request.
Sincerely, MV George Lc., Chief Operating Reactors Branch #3 Division of Reactor Licensing
Enclosures:
1.
Geotechnical. Study 2.
Scismic Design Requirements cc w/cnclosures:
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9604220100 960213 PDR FOIA DEKOK95-258 PDR l
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Jersey Central Power 6 Light AUtil 41975 Company cc:
G. F. Trowbridge, Esquire' Shaw, Pittman, Potts, Trowbridge 6 Maddan Barr Building 910-17th Street, NN.
Washington, D.C.
20uub Jersey Central Power 6 Light Company __
ATTN:
Mr. Thomas M. Crimmins, Jr.
Safety and Licensing Manager GPU.Scrvice Corporation 260 Cherry Hill Road Parsippany, New Jersey 07054 Anthony Z. Roisman, Esquire Berlin, Roisman 6 Kessler 3712 N Street, NN.
Washington, D.C.
20036 Paul Rosenberg, Esquire Daniel Itappoport, Esquire 2323 S Droad Street Trenton, New Jersey 08610 lionorable Joseph W. Ferraro, Jr.
Deputy Attorney General State of New Jersey 101 Cor.c.crec Street - Room 20S Newark,.New Jersey 07102 Burtis W. Horner, Esquire Stryker, Tams and Dill 55 Madison Avenue i
Morristown, New Jersey 07960
' George F. Kugler, Jr.
Attorney General State of New Jersey State llouse Annex l
Trenton, New Jersey 08625 Ocean County Library 15 llooper Avenue-Toms River, New Jersey 08753 e
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.o ENCLOSURE 1 OYSTER CREEK' DOCKET NO. 50-219 4
GEOTECl!XICAL STUDY
. PROPOSED RADWASTE AND'0FF GAS BUILDINGS 4
(The following position statements and requests for information relate to JCP6L submittal, March 6, 1975) 324.1 You have not ade;uately en:. pled and evaluated the natural deponits direct}y talow the propsed raduast:e buildin;;.
l Thirteen borin;;s.are shown on figura 1.3'.1 ai; :hin 1. scat.ica.
Only tuo borin;;:.('41 & t.*!.) of 13 completely sanpled t.he entire subsurfaco niterialu of interest in a meanin;;ful uay.
You bave. cinant ignored the un of t he ntendt.rd penetration i
test (SPT) n:t::.pler 'Jn your investi;;ation of :.he su'.isuciace
.condit.iona ir ;edicte3 y under the proposed cite.
':ach of :.he data presented to evaluate'liquaft.ction renditie:nn is bared c
on SPT data.
Tha SPT dnta that was obtained un.*ar the pro--
pound':true:cre clearly shout ::ha t ] J yue f act i:n in a p'*t>ble:.-
in the upper Cohaaney cands.
In adattion yeu have not c o:t-l sidered in :!..% report the f.a.t thet pdjacent depe:,ito (laar.e fill) uill li,nef y and ir'o.,rensi te J it;uM:.c
- Ma t omdn the r.idwaste ntructure ay ocevr.
i In addit.Jon your inventi.utica vi the of f um structura cic.a rly i
indicaten tha: t hu Upper Cch.nsey sand' in '.!hely to licp:eiy durin:: the SSE.
Iudicate en iD are 1.30.3 the resultn of the SPT dat a under these structurcu.
-As deceribed in th; Oyst" Crech :helcor 1.*ni t ':e. 1 S"P.and l'orked Riv.:r :: teleer St.
.i Uni t. 1 S"R,.
,ca)e ;l.c eensultants, opplicant, rnd the -Jta.~i tunc}uj?d that :he Jenna Cohnnucy sand would be cn adeq...n.c founda rien r 2dj ur t er the ::uelear Unitn.
All Cate;;ory I fuu.n'n riens re ;tij ved. ::env.. tion to the denne i
Coh:nmcy n;nd. :The staff concluh d that all major structures vill be supported by nat fonnir.: ions in the Cohancay snnds or on bachfill t hat v12 3 bn compac:cd to a nini:nra relat 1.vc densit:.
of 7% and an aver x relative density of 003 Jawn to the Coh.insey san.in vill be adequate for the Tor %cd River ::uclec.r Station Unit 1.
- he, applicant propaed to renave :.he over}ying sands and sof t organic elr.yn and to found r.:njar plant struecures on the Cohanscy nand o: enl:incoced lill ecnpactad to a density
-equal to that of the Coh:nney.;and.
(RSP)
Unles; you c n de:0nntrate that 31guefactica, foundit. ion i
navenanto, and' ouhsequen t ce t t ic-ant conditione. are not a
-riah to radiological.4af.t>'.
n)I Categ. icy I i0en intions /nt l meet the abov0 requ/rements.
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y 324.2 clusions re;,arding'the previous leading of the clayLin,tha Upper CJ ay for::.ation.
Caly one consolidation tesc.is'provided for.natcrinis under the radwaste building.
Provida additional j
data to support your evaluation of previous loading.
-324.3 The clays are described as organic deposits.
Organic soils are generally p:or foundation taterials. - Evalua te se::ondary co=-
pression unith can be very Inrge for organic soils.
Discuss the results of your evaluation.
324.4 The. data provided regnrding the cont.inuity of the deposits of the sand, included in the upper ciny in not cuf fichnt.
Protide tror.s noctions to show :he sand r.trata in the upper clay.
Tha boring logr do not con':Jn th: detailed de:;criptive terpinology required to n ross the continrity of those strata.
Provida det a13 0.1 ar cati;;raphh inf or: atiaa to support your conclusions that thsce;ntrata are,not centinuoun.
324,5 Provide copies of borin. logo and reparts for the propuaed Cynter Creek Unit ::n. 2.
Alu p: ovide copica of the Casagratuk. repart for th!:2 n;te.
324.5 Nnned on the boring lo;. prenented *.e cannot asner.n the d.pth
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of Ill.1 enco:.ttered.
/ cuuant y.:ur evaled ian of tha d. pr.h of fill enecuatered and M ncuss th: rytho:S e :plepd.
324.7 The data Ju table
. S. '? does not suppor t-year stataw nt that undrainsd ahear streas;!. (Su), indicated values of Sa betueen j
3 and 2 T:ir.
"Jhc avera;.c static t.riaxial A car and vane shear stren/,th is lens t.h:ta.1 TST.
F.::pla in.
'324.8 Discuss the possibil'ity of the grounduater 1cvel variations durin, the life of the plant, and the effect on the liquefaction potential.
324.9 Deneriba the backfili procedure,used to place the fill near boring U2, US, '.!9.
' nplain t he rea.*on for the e::tre:wly loane. condition of. th'i fill.
324_.10-Your. evaluation of the significant number of cycles in the liquefaction analysis-is-~not consistant with the Lee and Chan data for A av/A nax =
0.65.
A viilue of _10 appearr, iaore reasonable for the sir.:plified procedure.
This. higher value will result in an increase in the likelihood of lique-1
- faction - for cach.st rata.
livaluate and compare the results based on 5 and 10 cycles.
Duplicate the approprinte figures in the report at 10 equivalent stress cycles. -Use a C. value of 0.57 in all calculations and report the i
results.
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4 Less than half of the relative density test data is representative wy.d i of the radwaste building location.
Discuss the justification for usinE any data other than that obtained at this location.
Provide.
t a correlation with SPT data and relativo density data.
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324.12
- Recalculate the uniforn ahear stress a:aplitudes given in Tabic 1.10.3 using 5' cycles for conversion-(pg. 52) and report the results.
j 324.13_
Provide the porc' pressure,. stress, strain, and number of cycles data in graphic for;;;at_for.the cyclic tests.used in this evaluation.
Provide the. factor of safety against 10 percent doubic amplitude-
- strain, i
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- 324.14 Designato a maxinua, total.and differential settlement criteria.for
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this structure, Provide a settlement nonitoring progran for the life
_ of the structurc.
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ENCLOSURE 2 Seismic Design Requirenents-for Buildings Housing Radwaste Systems
-(1)'. Define input motion at the foundation of the building housing the radcaste systems.
The motion should be defined by normalizing the Regulatory Guido 1.60 spectra to the OBE maximum ground acceleration selected for the plant.
A simplified mi Jysis should be p'erforced to determine appropriac scismic Joads vad floor response spectra pertinent to the location of - t he ' systeun ;
1.e., an analysis of the building by a "several degrees of freedom" cathematical model and thq use of an approxiuate r:ethod to generate the ilcor response spectra for radcaste systcas and the seismic loads for the buildings.
No time' history or dynanic analysis is required.
'(2)
The sinplified rethod for determinat: ion of scisnic loads for the building consistn of (a) calculation of first nevera)' modal frequencien and participation f act ors f or the bui3 ding, (b) dcLernination of ::hdal neiside loadn by iten (3) input c.pectrc, and (c) co=-
bination of nodal ncf ur.ic J oe.ds by the square root of the nun of ut;uaren (FMS) rule.
1 (3)
Ult h regar$1 t o generation of floor r( spense spectra for rnch:ast e nyr.t ena, n th..ds ruch as the Binan or i
other equivid ent p: oceduren u;;ich give apprexiucte (3cor response rq>ectra ult hout need for periorning f
a t3.c'hintor" nnulynin rm.* be used.
-(4)
The load f act cr:. c.r.d load co:.hinat'ionr to be tised
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for the i uilding should be,t ho.-;c given in the ACI-310--71 Code.
Th e.: a13ouable strenses for s,tce]
ic$onponents.rheu]d be thone given in tlie ATSC "anual of St ec1 Construct iq6, 7th edition, 1970.
l (5) -The cenntructien and.ihnpceticn requirements for the bud 1 ding elenents should comp 3y arith those nLipu-lated in the AISO or ACI Code as appropriate.
The f oundation n:dia of ctruct ures bouning the rad-
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(6) _
vant e nynt ens.r.hould not liquify durJng the Operating lianin 1:arthquaho.
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2-In' lieu of the requirements and procedures defined above, optional shield structures constructed around and supporting the rad.aste systems r.iay be erected to protect the radwaste systems from offects of housing structural failure. - If this option is adopted, the procedures described above only need to be app]ied to the shield structures while treating the rest of the housing structures as non-scismic Category I.
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