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1 <br /> � <br /> � <br /> Ground��alcr�vas iibscrvcd aboui 3 �cci bclu�� thc csisting ground surlaec in boring B-6. Thc contr,ictor <br /> ( should bc prcpared to handlc ground�ca�cr sccpapc. if cncounicrcd. <br /> ( Foundation Settlement <br /> ( \1�c c,limatc that ihc poxl-constnic�ion sculcmcnt af�iiotings fiiundcd as rcconuncndcd abo�c n�ill bc Icss <br /> Ihan I inch. Diffcrcntial sculcmcnl bct��ccn cumpar,ihly loadcd colwnn I'ootings or alonE a ?5-fool <br /> � scclion uf conlinuous �anll liiotinp shoidd bc Icss ihan !!inch. \1'c cspcci mos� of ihc li�oling sculcmcnis <br /> �eill occin� as loads :uc applicd. Luosc or disturbcd soils not rcnwvcd Gom liioting cscavations prior to <br /> 1 ��la;ing concrctc�cill resuh in addiiional sculcnunt. <br /> 1 Lateral Resistance <br /> ( Latcr.d luad, r.m bc re,istcd by passivc resislancc on thc sidcs of t!u foolings and by friction on thc basc <br /> al'Ilu li�olings. Passi�c rcxistancc shuuld hc ca:du:itcd using an cquiralcnt fluid dcnsity of 350 pound� <br /> � per cnbic li�o� (pcll �nc�rc tiiolings arc puurcd ncat apainst nati�c wil or are sunoundcd by suuctural lill <br /> compacicd lo a� Icast 95 ���rccnl ol' MDD. as recammcndcd. Rcsislancc to passi�c pressure should bc <br /> � cnlcu!a�cd liom ihr buuom of adjaccnl �luor slnhs and pavin� ur bcluw a dcpih of I loot �nc�rc ihc <br /> � nd_jxciu arca is unpmcd, as approprinla Priclional rrsistancc can bc ccalualcd using 0.35 tiir thc <br /> cocliicicni ul'b;isc (riciiun agninsl liiolings. l'hc:ihocc�:ducs incurporatc a �:iclor uf salcly ol'abuut I.5. <br /> t If soils adjaccnt w liiotings :u�c disturbcd during consuttction. thc disturbcd soils nu�st bc rccompac�cd. <br /> ( oihcn�isc thc lamral pnssicc rcsislancc �alnc nmst hc rcduccd. <br /> � Construction Considerations <br /> t hnnudia�cly prior lo pl:uing concrctc. all dchris and luosc soils �h:u accumulatcd in thc ti�oting <br /> cxca�;uiuns during liirming nnd slcd placcmcnl musi bc rcmo�cd. Dcbris or loosc soils not rcmo�cd <br /> � lium thc fuoiing cscavalions�eill resuh in incrr.iscd sculcmcn�. <br /> � If�ccl �cc;uhcr cnnsUvciiun is pinnncd. �cc rceonuucnd Ihm all liiotin�sub�radcs hc prolccicd using a Ir.m <br /> concrcic nwd mai. 'I�hc mud mat shuulJ hc pl:iccd �hr samc day �hal ihc liwiing subgradc is c�r.rvmcd <br /> � and approccJ lin' liiundaiiun suppoil. <br /> ( \1'c rccomnund Ilcu all complcicd li�oiing cscacations bc ohscnrd by a rcprescntativc of our firni prior <br /> la ��I:II'lI1L O1lIlI Illlll. fl`III�OfI'lI1L Sil'l'I. :illll suvcuu;il cuncrcta Our rcprescniali�c ��'ill conlinn thm thr <br /> ( hc:ning surl'xr h;is hccn prcparcd in n m;mncr cunsi,tcnl �ciih our rccommcndations and Ihal �hc <br /> suhsurl'acc rundiiiuns an as csprrlcd. <br /> t <br /> FOOTING DRAINS <br /> ( <br /> \\'c rccummcnd perimcicr liw�in� draim hc in>cdlcd:uound Ihc buildin�. l'hc prrimcicr drains should bc <br /> � inslalkJ al Ihc ha�c ol ihc cstcrior I�wiin�s. 'I'hr perinutcr drains should bc pro�idcd ���ith cicanoulx and <br /> .hould rnn�is� ul al Icasi 4-inrh-di;unc�cr pertiiraicd pipr placcd on a 4-inch bcJ oL and sunoundcd by, <br /> � 6 indics o(dr;iinagc maicrial cndoscJ in a non-�co�cn gcoicstilc fabric such as �tirati 140N �ur appro�cd <br /> � cyuicalcnil ro prcrcnt tinc suil I}ont migr;uing into Ilic drain maicrial. as sl�o�cn un Figurc 3. Thc liioting <br /> drain pipc �hould hc inslallyd al Icasl I S inchcs bclu�� thc tup of�hc adjaccnl iloor slah. 1'I�c drainagc <br /> � maicri;il shoulJ cunsisl of �enshcd irS�inch iu No. S pr,i gravcl or ,.(iraccl I3ackli!I lin' Urains'" per <br /> Scclion 9-03.1'_lal ol'Ihc 2006 �1'SDOI'Slandard Spccilicalions. �\'c rccomnund thc drainpipc consisl uf <br /> ciihcn c�acy-�call �ulid pipr ISI)It-ii PVG ur cqunll or rigid conugatcJ smoolh imcrior pulyclhylcnc <br /> pipr 1:\I)ti \-I?. ur cyu;ill. \Yr ;d.0 rcromound againsi u�ing Ocsiblc iuhing for footing drainpipcs. Thc <br /> � <br /> � lii� \,� V:n.uir-.nir I�i1f;PII GEOENGINEEII� <br /> � Inii !'. :uuc ��\ <br />