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If ��;ncr �:qmr mi�rnliun iht„ugh ihr slah. i. �ih��.nunablr. �hc ��raccl .hould hc cuccrcJ ��ilh a hca�� <br /> plastic shcct. >uch as IU-mil plasuc �hccting. tu :;ct :is a ra��ur rcuudcr. This �cill bc dcsirablc �chcrc �hc <br /> slabs «�ill hc surlaccd ���ilh tilc or �cill hc caipotcd. II nuq� akn bc prudcnl tu appf} o xnlcr to �hc slnh lu <br /> liuthrr rctard lhc migra�ion uf moisunc ihrough Ihc Iluor. 'I�hc conhactor shuuld he m:idc rc�pnmihlc li,r <br /> mainuiining thc in(cgrily uf�hc capor harrirr Jin in,� consvucii�,n. <br /> PAVEMENT RECOMMENDATIONS <br /> Subgrade Preparetion <br /> 11'c rccunmicnd Ihal Ihc tiubgradc .uil> in nc�� ��:i�cmrnt arr.is hc prcp;ued anJ ccaluatcd a. d�.cnhrd in <br /> thc "fnrilncork" scction of this rcpon. In cui arca, �n nati�c soils. �cc rccommrnd th:n �hc upper <br /> 12 inchcs of Ihc cxisiing sitc soils bc cumpacicd to al Icnst 95 perccnl ul'ihc masimum dq� dcnsiiy per <br /> AST�4 D 15�7 priur w ��I;icing p,iccmcn� sec�iun malcrialti. If thc subEradc soils arc lousc or�ull, it m;�y <br /> hc ncccs.;ny lu cxcrvalc thc suils md replarc ihcm �cith suucuual lill. icr:i�cl Uonv�v. or graccl basc <br /> maicrial. 13a;cd on nur explurntion;. ihc m;ijuritt• uf thr �,;i�cmcni suhgradc suils �rc c�pcctcd �o consisl <br /> nf mcdium dcnsc lo ��ci�� dcnsc sil'�y sand or slil�l lu h;ud sill :md clay. P;n�cmcnl suhgrad. runditiuns <br /> should bc ob.cr�rd and prool=rullcd durin� constniction lo cvaluntc Ihc prc>cnec of un.wi�ah!c >ubcradc <br /> soils;md �hc nccJ liir u�cr-cxca�;uion .md pl;iccmtnt ul a gcu�cslilc la!}ric. <br /> New Hot Mix Asphalt(HMA) Pavement <br /> In lighl-duly pavcnunt arras Ic.g.. :mintnuhilc paikin�l. �cc rcrommcnd a p:nemcnt �cclion cansislin� uf <br /> al Icusl �i 2-inch Ihickncss uf S;-inch II\1A fPG iR_''� �icr AV�SDO'1�ticctiuns $.04 and 9-U3. u��cr u d-inch <br /> Ihickncss uf dcnscly cutn���tctcd a�uslicd ruck basc coursc per A1'tiD0'I� Scclion 9-03.913). In hca���'-duty <br /> p;icciacui ;ncas Ic.c.. Uuck tr:d'lic :ircas. m;dcri:il� dcli�cr�) :iround ihc builJin�. ��c rccuinmcnJ �i <br /> �iacciiicnl scc�iun cunsis�in� ul' at Icasi n 3-inch Ihickncsc of ',=-inch {IMA IPG 5S-?,� occr a h-inch <br /> Ihicknuss ol dcnscly tum��acicd crushcJ ruck h;isc cotu'tic. TI?c hasc cuw'sc shuuld hC cumpacicd Io at <br /> Ic:ui 95 perccni uf Ihc mn�imum dry dcnsit�� I:�SITt D 15�7i. lV'c rrcummcnd ihai a prouGroll of Ihc <br /> cumpaelcd hasc rounc hc obscivcd b}' ;i reprcxnt;uiac �i'ont our linn prior lu pacing. Soll or �'icldm� <br /> ;irc,is uhscrccd dwing proo�=rolling may rcyuirc occr-cxca�a�ion aud repinccmcN oilh cumpacicd <br /> ,uuctural lill. <br /> Thc paccmrnt �cciiuns rccomnundcd ;�bucr ;irc ha.cd on nur espericnce, I'hicLcr asphalt .cctiuns ma� <br /> hr nccdcd hastJ on Ihc ,iclu;d Irallic d;ua anJ inicndcd u�c. <br /> Portland Cement Concrete Pavement <br /> Purtl;md ccmcnl eoncrcic lP('('1 sccm,n. .h,�ul�l I�c r�m.idcrcJ �i,r lo;i�hn� di�ek n��run.. irmh dumps�cr <br /> arcas ;md �chcrc olhcr conrcnlr;ilyd lir:i�c luad< m;n uecur. \1'c ircumm�nd Ih;rt Ihcsc �r�ccmcnb cunsi�� <br /> nl al Ic:isl 6 inehes nf PCC ocrr 6 inrhe� u(riu�hcd surf��eine h;�se com�a A Ihicker cuncrcte sec�iun <br /> m;n bc ncrdcd bascJ un ihc artual tr:�l'lir d;n;i. If thc cnncrcic pa�cmcni �cill h;nc do��cicd jninic. �cc <br /> rrcommcnd ihai thc concrctc il�icknr.. h� incrca.rd Iry an amnwv cqual tu ihr diamricr ul'thc dmcrls. <br /> I hr h,is� cuur+c shuulJ bc tuntp;�cicd �i�at Ic;�sl 9j �icncnl \IDI). <br /> \1'c rrcommcnd thol PC(' pa��cnums inrorpurilc cun�trurtion joinis anJ or crark cuntrul iomt. that ;irr <br /> ��,accd m:iximum di,l;mccs of I'_ lic� ❑pait ccn�cr-to-ccntcr, ir. buth ihc longi�udin;d and tr;msccr.r <br /> dircclions. Crack cuntrol juinls may hc crca�cJ hy placmg an in.cri or gruucc into Ihc lirsh concrctc <br /> �urf;icr Jurinc fini.liim�, in bc >a�ccuuim� �hr c��nrrrlr n�kr il has inili;di� sc�-up. \�c rccnmmcnd that <br /> ih� Jc��ih ��I�ili: rrarL cnnu�nl �ninl. hc .q���rr��incdr!� ' , ihc ihirknc., o(thc cuncretr: orab�nil I'�: inchcs <br /> — - — _ — --- ---- <br /> ,,, „r �.,, ,,. P�(,yP lb GEOENGMEEP.S� <br />