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oihrr��isr nrew ��lirn .itc lill :inJ huilJin� luad� ;uc :ipplicd. I hc prclu:iJ till �cili rrJuce thc Jil7i�irnti;d <br /> .culrmcm rr;ditcd ;u ihr �iic duc w thc �;uiahlt anJ unknu�cn till conJinuns acrutiti thc �itc. <br /> I�cu cundi�iuns cxis�;il thc>itc in Ihr � .nlJing arcas. ��hicli rcyuirc prcl�,aJ lill and'ur ti�ruclur;il till: <br /> I. I'.�is�ing gridcz :uc abor�• piannrd Iinisl�cJ Iluur cicc,uiuns. \�'hcrc cais�in�! Er.�dcs ;uc ahmr <br /> pl;mnad tinishcd Iluur cic�;uiun,. ihc prcluaJ till rm hc placcd diicc;ly on Ihc gn�unJ >w'I:irc;dicr <br /> stripping anJ clearing aciicities arc cumpieted. 'Ihe prelu:iJ lill shuuld br pl:�.rJ .urh ihat tht <br /> cresl i+;it Ica.t I(I Icct ahucc planncd linishcd Ilour ck�atiun+. <br /> 2. I!�isting �raJcs arc hcluw planncJ linishcd Iluur cicvaliuns. 1\'hrrc c�isling gr.iJc� :ur I'_ inrh� . <br /> or luacn c�lu��� pl;inncd lini}hcd �luur cic�aliuns, Ihc auhgradc tihuuld hc e��,ilu:rtrJ ond <br /> rccumparicJ I�(poti.iblcl priur w placing ihc pnlu;�d till. S�nicuual till >' :�uIJ ihcn hc pinctd lu <br /> slah ,uhgra��c Ic�cl ;md ihcn thc prduaJ lill shuulJ bc placcd to at Icast 10 :crt ;:`;o�c thc tini:,h�J <br /> Iluur cicc;niun. <br /> It is;�Isu pcnnissihlc lo unly pinec �hc prcluad lill at this limc anJ d:cn plav:siructural lill al a �i�turc tinu <br /> alicr Ihc prcluatl is rcmuccJ. ilo�cc:cr. aftcr prclo�ding has hccn acrumpl�.�hcJ. thc cnurc prcluaJ lill. <br /> incluJing �ill placeJ Mclu�c pl:inncJ tluer Ic��cls, must bc rcmuecJ li,�m ihc sitc. Allcr ihc suhgradc aru;. <br /> ha�c hccn r�aluatcd. .u'uclnr:d GII .hi�ulJ thcn hc ��I:�crd ,md ri•mp;ictcd In achi.�c pl;mncJ whcradr <br /> rlc�;uiuns. <br /> 4.4.1 Preload He(ght <br /> Duc lu Ihc caricl�' uf �ill pla:cJ. �;iriaMr Jrplh u�' lill. ;tnJ prccinuti prcloaJing cticrts frntn larga <br /> .tocl.piles al �he siie, ��r rccummend :� prcluad hci�h� u�at Ica.i lu tca;ihu��c the fini+hed graJe clec;uiun <br /> lin'cacli huilJin� luration. Thc prclu;iJ hci�hi Is Ihc �hid:nrs,uf thc prcloaJ lill that iz plarcJ abuec Ihc <br /> linuhcd gradc cic�ation. lhc rresi uf thc prcluaJ .huulJ c�tcnJ I:�tcr.dly ai Icasi 5 tcct bcyund ihc <br /> tuu�prinl uf thc�u'ucturrs in cach Jircclion. <br /> I hc prclund lill �houlJ runsist ul's�rUCplral �III NUaGIy In:��erial cum��ac�C�1 unh' �u IIY. c..Cn� ncccssaf)' lu <br /> �upport c��nslructiun cyuipmcN. Sidc slupcs �huulJ hc planncJ nu stcrper tlrm i I I:I V. I hc ��rclu;iJ <br /> smi;icc shoulJ hr cru�rncd�li�htl� lu pruntutc Jrainagc ul tiurfacc �cntrr. <br /> 4.4.2 Settlemsnt Magnitude and Rate <br /> \1r �,�imaic Ih:it thc IU-liwl high ��rdoad �cill inJucc up m 3 inchcs uf xulrnunL Jcpcnding un :hc <br /> d�irl.nr.+ and rumposiiiun uf ihc till. ;md prcloaJ rllicts frum prc�iuu+ +tuckpiles at thc sitc. fhix <br /> .rulrmcnl ��ill rcdurc thc pu.�-cunstrurliun srulcntcnts ohxnrJ m �hc �uras ��hcrc �hc prcluatl �aas <br /> pL�ceJ. 1hc c,timatcJ .culrmcnt m:�gni�udr. m:i� �ary ,uhst:mtiull} b;ucd un prcciuus prclu�iding. <br /> r�anp:ic�iun ul c�istin� till. ;mJ Jur io ihr thicknr.a ��f ih� undtrhing rumpressihlc snils. Thc cslimmcJ <br /> timc Ibr �hc �cidcmcnt i�,n:cur i. ti t�� I_' ��cc4.+. nut the arw;il Jw'ntion ul prcluadinE +hi�uld he h,ixd un <br /> ,ctllrmcnl rcaJinc, <br /> 4.4.3 Settlement Monlforing <br /> In ��rJrr in e�alu:ur thc ma�niiuJr :.nJ �inu r;iir i�l ,rul�mrn� uf thc sitc lill nr thc prcluad fill. ��c <br /> rer��mmcnJ thai �rulcmcnt munitoring pl:nc, hc inat:illcJ priur tu pl;�cing thc prclu:id �iIL A dctnil uf a <br /> i�piad seulemcnt plaie is .hu�en in Pigurc 8 anJ rccummenJed settlement pl.ite loeations are shu�en on <br /> I icurc 9. 'I'h� Inc.iliuns should h� cunsid�r�d prclimin;iq' :md shuuld bc moditicJ bazcd on ac�ual silc <br /> ------------ ----- <br /> �,: �„ ,. . . „ Pux,� 16 GwEMcirEus� <br /> i:� ,� . . L� � <br />