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nu�usl IR 2U(W <br />Mr..lim I'h��in,is <br />Ikl�cJcre Luls ?_' �md ``�i <br />L�l'•n .Inh No. 4A118R <br />Pagc 12 <br />If Ihc aburc rccummcndatiuns ,n'c li�ll�,�ccd. uuc rcconnnrndcd drsign crilcria lin li�oling <br />IbunJalions ar¢ os liilluws: <br />•'Ihc allo,�-ahlc suil bcaring prcssurc li�r liw�ing li�undalions, including ilc;id an�l li�r <br />IuaJs. shuuld hr no grcalcr ih,in 2.500 psl�. 'Ihc liwling hcaring soils shuulJ bc ��crilir�l <br />un-silc hy .i grulcchnical cnginccr alicr thc liioling Ircnchcs .ire cxca��alcd and hci�:rc thc <br />liio�ings pourctl. <br />• l hc minimum dcplh tu houom uf perimctcr iholings bclow ad.jaccm �in.d rxlcriur gradc <br />shoulJ bc nu Icss than 18 inchcs. 'I hc minim�nn dcpth lo boUom of lhc inlcrior liiolings <br />hclu�c ti�p ol� Ilour slah shnuld bc nu Icss �h:m 12 inchcs. <br />•'fhc tninimum ��idlh should hc nu Icss than IG inchrs liir continuous li�otings.:md n�i Irss <br />Ih:in 24 inchcs �iir indiviJu��l Ibotings. <br />A unc-�hird incrcasc in Ihc :ihu�c rrcommcndcd :illu�sahlc suil bcuring pressurc may hc uscd <br />whcn consid�•rin� sLurl-tcrm. Ir;msi�ury, wind or ticismic luads. Pur �iwting linmdalions Jcsignrd <br />and consliucicJ per rcconuncnJalions ahu�c. tvc cslimmc Ihal �hc masimutn tolal pusl- <br />conslrucli�m sclUcmcnl uf Uic huildings shnuld hc 3/4 inch or Icss nnd lhc diflcrenlial sculrmcnl <br />acruss huilJin� widlh shuul�l hc I/2 inch or Ictis. <br />Lalrral luads un huililings r.in hc resislc�l hy thc I'ricliun li�rcr hnc�ccn thc �iiuudalions and �hc <br />suh�raJe tioils ur Ilir �r,itisi�c c:irUi presstr,c acling on Ihc brluw-BraJc purlion ofllic �uunda��uns. <br />Pur Ihc I:i11cr. Ilic Ii�unJatiuns musl hc puurcd "ncaC':iga�nsl widislurbcd soils ur hucklillcd ���t�i <br />u dcan. Ircc-Jraining. comp�icirJ siruclur:il lill. �1'r rccummcnJ Ihat an cyuivnlcnt Iluid dcnsil�• <br />(I:I�U) uf ?00 �xxf (�wunds per cuhic liwl) lin• Ihc passi��c carlh prcssurc bc uscJ lirr lalcral <br />resitilance. 'I he abu�c p:�ssi�c �iresswr assumrs Ihat Ihc hacklili is Icvcl ur inclines up�eard away. <br />I'rom Ihc linindaliuns li�r :i huricun�cd Jistancc al Icasl t��icc Ihr dcpth of thc IinmJaliuns bclow <br />Ihc linnl �radc. A c�nflicirnl uf friction of O.GO bch�ccn Ihc li�undaliuns and lhc sub�rnJc suils <br />LIU & ASSOCIA7'ES, INC. <br />y� <br />