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Table 2. 2006 IBC Seismic Parameters <br /> R�comrn�nd�d <br /> 200618C Param�br Vduc <br /> Site Class D <br /> Shon Period Speciral Response Acceleralion,5�(percent y) 174.6 <br /> 1-Second Period Spectral Response Acceleration,5�(percenl g) 40 <br /> Seismic Coeflicienl,F, 1.04 <br /> Seismic Coetficienl,F� 1.6 <br /> EARTHWORK <br /> Bascd on thc subsurlacc soil conditions cncoimtcrcd in thc borings, ��c c�pcci thc soils at thc sim may bc <br /> csca��atcd usinp comcntiunal hca�y duiy consuuction cquipmcnl. Thc ma�crials ��c cncountcrcd includc <br /> lill, sil� and clay dcpusi�s. and dcnsc �o vcry dcnsc glcicially consolidatcd soils. Dcnsc glacial dcposits in <br /> �hc arca cummonl�� contain cobblc� and houldcrs �ha� may hc cncauntcrcd during cscava�ion. <br /> Accordingly. Ihc contrac�or slwuld bc prcp:ircd tu dcal �eitli bouldcrs. <br /> 'ihc on-�iic soilti cnniain signiticanl tincs (m;ucrial passinc tlic U.S. standard No. 200 sicvc) and ��ill bc <br /> highly muisturo-scnsiii�c and susrcpliblc tu disuuharnc, c�pccially ��hcn �ccl. Idcally. canh�surk sl�ould <br /> hc undcilnkcn during cxicndcd periods nf dry �ccathcr��hcn ihc ,urlicial suils ��ill bc Icss susccpiiblc �o <br /> Jisturhancc and proviJc bcUcr suppoil liir cunsvuciion cquipmcnt. Dq� ��cathcr constivction �cill liclp <br /> rcducc c:mh�cork cusis:md incrcasc Ihc poicn�i:il tiir rcusin�Ihr glacial soils as �ill. <br /> Tr;dlir.ihility on thr sitc may hr dillicult. c�cn during dq� ��'ruhcr condilimis, duc �o thc elay and sih <br /> la��cr nc:u' Ihc c.eistinc pradc. Thc naticc soils �cill hc c�pccially susccpliblc ia Jislurhancc I'rom <br /> construcliun cyuipmcnt during �crl nr.Ulicr conditiuns and pumping and ruttinc of Ihc cxposcd soils <br /> undcr cquipmcnl loads may accur. <br /> Clearing and Site P�eparation <br /> C'un�truciiun ol' Ihc propuscd huildin� �cill rcquirc dcmolition of thc c�isling parking arca and olhcr <br /> appuncnan� slruciurcs. Cuncrctr and asphall m;ry br rccycicd and rcuscd as slruclural till in limilcd <br /> arc:is mhrrnisr ii should hc rcmoccd liom �hc sitc along ��ith othcr consuiic�ion dchris. Thc rccycicd <br /> conrrcic and nsphah should bc rcuscd ns dcscrihcd in ihc scrtion of Ihis rcpo�l iidcd "Rcusc of Lxisling <br /> ;\sph;ilL Basr and C'unrrcic Rubblc." 13ascd on our espluruiuns and si�c ubscn:itions. �cc cstimalc Ih:U <br /> thc asph:ilt pa�cnunl is 5'i lu R!-; inchcs Ihick and Ihc undcrlying basc cour�c and/or subhasc is <br /> ;ippruxim:drh� � lo I� inchcs ihick. All csis�in� ulilitics shuuld bc rcmo��cd li'om thc building tiiolprint <br /> and reruutcd il'nccdcd. lixisting uliliq ircnch hacklill undcr Ihc buildin� �iwlprin� should nc rcmo�cd <br /> and replacrd �cilh suticuu';il lill. <br /> �rc;is io hc dc�clopcd ur cradcd �hould bc dcnrcd of surl'acc and sub.url'arc dcicicrious maucr includine <br /> am dcbris. shruhs. trccc and assucialcd suunps nnJ rool,. Ciradcd arcas shuuld hc strippcd o(organic <br /> .oils. Orcanic soils arc likdy unly associalcd�viih ilic csisting landsr.ipc arcas. <br /> I'hr ore;mic suils can hc sluckpilcd :md uscd lalcr liir landscaping purpuscs ur may bc sprcad o�cr <br /> di.iunc�d :Ifl`:IS IOIIO\\'II1L l'UI11�lI1'11011 O��LI':Illlllf�. II S�li'l':�d ou�. thc organic slrippings should bc in a laycr <br /> k�s ih;u I loul Ihick, should nu� bc pl;iccd on slopcs gmalcr than 311:1\'. and should hc track-rollcd �o a <br /> uniti,rmly comp;icicd rundiliun. \la�rrials that r.mnai bc uscd tiir I�md+capinc or proicction of disturbcd <br /> ;nr;is .huulJ hc rcmu�rd lium ihc�xojrrt sitc. <br /> l)l, �o p,�;n-nir.nu Pngi'd GEOEXGINEEII� <br /> ._ Jnh�l-.:nuc , <br /> j\` <br />