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i <br /> ( <br /> i <br /> PAVEMENT RECOMMENDATIONS <br /> � Subgrade Preparation <br /> � \1'c rccummcnd ihc subgradc soils in ncw pa�'cnunl arcas bc prcparcd and c�alualcd as dcscribcd in thc <br /> , "[ailli�cork" scction uf ihis rcpoiY. N'c rccnmmcnd placing a I?-inch Ihick importcd gra��cl borro��� <br /> subbasc laycn c�lo�c Iltc paccmatt scction� .Ic�crihcd bclo�c. If Ihc suhgradc sails arc c�ccssivcly lousc <br /> � or sofl, ii may hc ncccss;ny �o rsca�atc localizcd arcas and rcplacc thcm ��ilh addiiional gra�cl borro�c or <br /> gr:i�cl basc malcrial. Pa�cnunt subgrndc rnndiiions should hc obscn�cd and pruol�-rollcd durinE <br /> (' consiructiun and prior �u placing thc subbasc matcriuls in ordcr to cvaluatc thc prescncc of unsui�ahlc <br /> subgraJc soils and Ihc nced ti�r ovcr-c�ca��a�ion:md placcmcnl ol'a gcolc�tilc scparalor. <br /> ( <br /> New Hot Mix Asphalt(HMA) Pavement <br /> � In liphl-duq� pa�cmcnt arcas (c.e.. auiomobilc pnrkingl. ��c rccomtncnd a pa�cmcnt scclian consisting of <br /> ( at Ica�� :� �-��,�i, �i,���:�,�,•��r+-:-��,�n irn-�n �rc 58-2'_�per 1VSDOT Scctions 9.04 and 9-03.o�•cr a 4-inch <br /> Ihickncss ul'dcnsciy cumpac�cd crushcd ruck basc cnursc per \VSDOT Scciion 9-03A�3). In hcz�'Y-dut�� <br /> � pa�cmcnl arris (c.p.. uuck Iraltic arcas. matcrials dcli�cry) :u'uund ihc building. ��c rccommcnd a <br /> pa�cmcnt scction consistinp ol' at Icast a 4-inch ihickncss of 'h-inch IIMA (P(i 55-221 o��cr .i 6-inch <br /> ( diickncss uf dcnscly cumpacmd crushcd rock basc cuursc. l'hc basc coursc should bc cotnpacicd to a� <br /> Icasi 9$ perccnl of ihc masinmm dry drnsitv IAS1T1 D ISS7). \Ye rccommcnd ih;u a proo(-roll o(thc <br /> ( rompacicd b�isc comsc bc obsrr�rd by a rcprescntativc ti'om our lirm priur �o pnving. Soll or yicldinZ: <br /> ' :ircns i�hscncd during pruol=rolling may rcyuirc occrvcscavaiion and replaccmcnl �eilh compacicd <br /> struchiral lill. <br /> � Thc parcmcn� scctions rcconuncndcd aho�c ;nc hasrd un uur cxpericncc. "I'liickcr asphalt scclions m:iy <br /> � bc nccdcd bascd on �hc actu;d subgradc condiliuns, iraltic data and inicndcd usr. <br /> � Portland Cement Concrete Pavement <br /> � I'onland ccmcnt cuncrcic IPCC) scctions should hc considcrcd �in loading ci��d: apruns. Irasli dwnpsicr <br /> arc;u and ��hcrc uihrr conccnvalcd hca�y loadv may occm. �1'c ncommcnd Ihat ihcsc pavcmcnls cunsis� <br /> � of at Icast 6 inchcs o(PCC o�cr 6 indus of cnulird swl;icing basc coursc. A ihickcr concrcic srction <br /> may bc nrcdcd bascd on �hc aclu;d vaflic dala. II tlu cuncrcic paccmcnt will ha�c do��cicd juiniti. �cc <br /> � rccommcnd ih;u Ihc roncrcic Ihicknrss hc incrcascd h)• an amounl cyu;d la thc diamcicr of thc do��cls. <br /> l�hc basc coursc tihuuld hc runtpar�cd lo a� Icas� 95 perccnl �iDD. <br /> ( \Yc rrci�mmcnd PCC paccmcnis incoiporatc cunsuvc�ion juinls and/or crack conu'al juinis spaccJ <br /> � masimum disl;uucs of 12 Icct np;�rt. crntrr-iu-ccn�rr, in hu�h �hc lon�iludinal and iransvcrsc dirccliuns. <br /> Ct:ick control juints may hc crca�cd hy pincing an inscn ur croucc inw thc licsh concrctc surlacc Juring <br /> � �1OISI1111L.UI'Il\' a;l\1'l'llliillL llll'l'Ulll'1'MC alicr il has initi:dly sct•up. �1'c rccommcnd Ihc dcpth u(ihc crack <br /> conlrul juints hc approximatcly �a ihc Ihirkncss ol' ihr ronrrctr, or ahuu� 15; inchcs dccp for ihc <br /> + rccununcndcd cuncrcic ihickncs,ol 6 inclics. \1'c alsu rcrommrnJ �hc cr:ick cuntrol joinls bc scalcd �cilh <br /> C �m;ipproprialc scalanl iu hclp restrirl ��aicr intillration inro thcjuin�s. <br /> � Asphalt-Treated Base <br /> 13ccautic p;iccmcnis may hc cunsUuncd Juring thc �cct sc:uons, considcraiion ma; !.� giccn tu co�cring <br /> � Ihc :ucas lo hc pmcd �cilh asplialt-Irc�ucd hasc (ATBI liir protcction. Lielit-dut}' ���a�ancm ;uras should <br /> i <br /> hc surLiccd �ciih 3 inchcs ul'ATI3. and hcacy-du�� paccmcm arcas shatdd bc surC.ccJ ��iih 6 inchcs o1' <br /> ATI3. Prior iu plarrmcn� a( ihr linal pa�ctncnt sccuon,. ��c rccomnund th:u arcati of A'iI3 pavcmcnl <br /> � I'nilurc hc rcmo�cd and ihc suberadr rcp;iircd. If AT8 is uscd and is scn'ircablc whcn linal pavcmcros <br /> � Fd�� A�,. ���n.nn'.nu 'PnAP 1.7 �iEOENGINEEl1� � <br /> ( .luh'l�.:um �' <br />