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f <br /> n�,�;i �, zoos <br /> Mr. Don Lcvin <br /> I.&A Job No. 8A037 <br /> Pagc 4 <br /> redcposit to a (lattcr inclination Thc undcrlying Gcsh advancc ouhvash dcposits in thcir nativc, <br /> undisturbcd statc can providc good foundation support with littic sctUcmcnt cxpcctcd for light to <br /> modcratc residcntial struciures. <br /> SOIL CONDITIONS <br /> Wc �vcrc thc gcotcchnical enginccr of rccord for a ncw duplcx building projcet rcccnUy <br /> constructcd on thc Rcfcrcncc Sitc, about onc Ulock norlh of thc subjcct residcncc sitc. Wc <br /> providcd gcotcchnical cnginccring and construction inspection scrviccs, and vcrificd footing <br /> bcaring soils and evaluatc cut bank stability of foolprint excavation for thc Rcfcrcncc Projcct. <br /> 'I'hc building footprint on thc Rcfcrcncc Sitc was cut down to about 7 fect decp. Thc soil <br /> conditions cxposcd on thc cut bmiks wcrc composcd of 10 to 12 inchcs of dark-bro���n, loosc, <br /> organic topsoil, undcrlain by 3 to 4 fcet of light-bro�vn, dcnsc, finc to mcdium sand wilh a tracc <br /> of gravcl. This sand layer was undcrlain by a dcposil of gray, hard, finc sandy silt. A stccl T-bar <br /> manually pushcd into footing bcaring soils at boUom of c�ca��ation coulcl penclratc no morc than <br /> an inch. �'hc cut banks of thc building footprint cscavation had stood vcry stablc without any <br /> signs of ravcling or sloughing. \Vc cxpcct Ihc soil conditions at thc subjcct residcncc sitc to bc <br /> simil.ir to thosc :u Ihc Kcicrcncc Sitc. <br /> GROUNDN'A'1'F.R COND17'10\S <br /> A vcry minor Iricklc of groundwatcr :cpagc (Icss than 0.25 gpm) out of thc cut n�as obscn�cd on <br /> Scptember 5, 2007, at ihc southcasl comer of the building footprint excavation on thc Referencc <br /> Site. 'I�his seeping grouncl���ater was perching on top of the underlying fine sandy silt deposit <br /> which �cas ol'cstrcmcly lo��� pcnncability. <br /> � <br /> � � � <br /> LIU S ASSOCIATES, INC. V ��I �,� <br />