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n��E����� i s, zooa <br />Mr. .lim l liomas <br />licivcdcrc Lols J2 anJ }} <br />L��A Job No. 4A088 <br />Pagc 5 <br />«ithin thc rropos�:d buiWing footprints, wcrc drillcJ l0 2G.5 fcct dcep. Thc ap�roximate <br />lucations of thc tcst horings are sliown on Platc 2- Sitc and fixploralion Localion Plan. <br />Soil 58111�1I1'S I)I7UIIIlI'lI IfUlll II1C Il'S1 hurinE�.s wcrc visually cl��ssificd in gcncr.d accorJ;incc wilh <br />UIIIICI� SOII CIeSSII1C811011 Syslem, a copy uf which is presented on I'lale 3. A geotechnical <br />engineer from our office was presen� during th� exploration, who examined Ihe soil samples <br />retrieved from the tcsl borings and he soil and gcologic conditions encountcred, and complcicd <br />logs of lcsl horings. Detailcd descriplions of the soil layers cncountcred during site exploratiun <br />;uc presenled in Iest horing IuE;s un Plales 4 through 7. � <br />l hc sitc is gcnrrally manUcJ by luosc to mcdi�.un-densc lill of silty finc sand with linc roots, to <br />about 3.S fect in ihickncss. Undcrlying ihis surlicial lill, cncuun�crcd in l�cst l3urings IS-3 anJ li- <br />4, is a layer of soft to hard silt to sandy sill, from 3.5 to 9A feel thick. This silty layer, however, <br />was not cncountcrcd by'I�csi Llorings 3-I and I3-2.' Undcrlying thc surficial fill and lhc silry laycr <br />to thc deplhs explored are lisperanrc S.ind deposits of fine to co,use sand to slightly silly finc to <br />medium sand, varyin�; frum medium densc lo vcry dcn�e. "I�he Lsperance Sand deposits <br />cncowilcrcd in l'cst f3orin};s �3- I anJ f3-2, localcd ncar thc cres� of Ihc stccp slope, I�rom Ihc dcpth <br />of abuut 14 feel to the boUum uf these tesl borings are very dense. <br />GROUNUWAl'I'sR CONDI'i'ION <br />tiomc liee greundwater was encountercd in "fest Boring [3-4 at about 15.5 feet, while Ihe other <br />Ihrec lest borings had not encuuntered any groundwatec T6e groundwater encounicreJ in Test <br />13��ring B-4 �aas musl likcly slonmealer infiltrating in�o the ground and perched an silt Icnses of <br />luw permcability. �I hc undcrlying I:sperancc Sand dcposils of (inc to coarsc sand arc gcnerally of <br />rrlalively high permeability, and would allow water lo seep through easily anJ perch on a silly or <br />cl;iyey soil wiit underlying the fisperance Sand deposiis. The groundwater table within the lots <br />LIU & ASSOCIATCS, INC. ����;,� <br />