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GEOTECHNICAL BORING LOG LB-4 <br />Project No. <br />12126.001 <br />Date Drilled <br />10-29-18 <br />Project <br />Kimley-Horn Main Place <br />Logged By <br />NA <br />Drilling Co. <br />2R Drilling <br />Hole Diameter <br />8" <br />Drilling Method <br />Hollow Stem Auger - 1401b - Autohammer - 30" Drop <br />Ground Elevation <br />' <br />Location <br />2800 N. Main Street Santa Ana CA <br />Sampled By <br />NA <br />o <br />a a <br />iLL <br />W <br />sY <br />4a <br />aLL <br />O <br />a <br />4a <br />aJ <br />f7 <br />a <br />a <br />C <br />- <br />Q <br />d <br />z <br />a <br />ao� <br />m <br />y <br />a <br />as <br />3 <br />m1p <br />IL <br />N <br />a u <br />OQ <br />Z <br />p <br />- <br />rn a <br />aoa <br />U <br />Ny <br />VU <br />00l <br />'aj <br />0— <br />SOIL DESCRIPTION <br />This Soil Description applies only to a location of the exploration at the <br />time of sampling. Suburgice conditions may clear at other locations <br />andmaychangewiththhi Thedescriptionisasimplificationofthe <br />actual conditions encountered. Transitions between soil types maybe <br />g acual. <br />a <br />~ <br />O <br />o. <br />T <br />D <br />@0". 5-inches of asphalt concrete over T-inches of base. <br />Artificial Fill. undocumented (Atul: <br />Hand augeretl to 5has. <br />@15". Silty SAND ISM), with Clay, with holders (4 to 10 <br />brown, moist, fine grained santl, construction debris. <br />5 <br />'. <br />.' . <br />S-1 <br />10.5 <br />SM <br />31 4 % passing #200_1 <br />-200 <br />12 <br />12 <br />Alluvium Fan Deposit (Caff <br />14 <br />y SAND <br />@fine 5". Silly SAND (SM), tleik gray, metlium tlense, moist, <br />fine to medium grained santl. <br />S-2 <br />] <br />@7.5-8". trace Gravel and santl, black, fine grained santl, fine <br />16 <br />grained gmvel. <br />8 <br />@8-9". trace Clay, brown, medium tlense, moist, fine grained <br />santl. <br />10 <br />S-3 <br />2 <br />MIL <br />@10". Sandy SILT (ML), brown, soft, moist, fine grained santl. <br />1 <br />2 <br />S4 <br />2 <br />@12.5". metliumslifi. <br />3 <br />3 <br />is <br />S-5 <br />2 <br />10 <br />(52.8%passing #200) <br />-200 <br />3 <br />S-6 <br />3 <br />@17.5". Stiff. <br />4 <br />6 <br />zD <br />S-] <br />4 <br />4 <br />@20.521 5". Sandy SILT (ML), brown, medium stiff to stiff, <br />4 <br />moist, fine grained sandd. <br />-8 <br />3 <br />4 <br />@23 24". SILT (ML), with Santl, brown, stiff, moist, finegrained <br />5 <br />santl. <br />25 <br />S-9 <br />5 <br />10.8 <br />@25". stiff. (55.9%passing #200) <br />-200 <br />6 <br />5 <br />Sib <br />3 <br />@27.5". trace Clay, with Santl, fine grained santl. <br />4 <br />6 <br />SAPMPLE <br />}p <br />TYPES: <br />TYPE OF TESTS: <br />B <br />BULK <br />SAMPLE <br />%FINESPABBIRG <br />DB <br />DIRECT <br />SA SIEVE <br />SPEARION <br />C <br />CORE <br />SAMPLE <br />AL <br />AL ATTERCONSO <br />MI <br />El <br />IN BE EQUIVALENT <br />G <br />GRABBAMPLE <br />CN COU-APSE <br />DATIOITs <br />TION <br />H <br />HYDROMETER <br />HYGROMETER <br />SPND ECIFIC GRAVITY <br />BG <br />SG <br />R <br />RING SAMPLE <br />CO COLLAPSE <br />MD <br />UNCONFINED CITY <br />UC UNCONFINED COMPRESSIVE STRENGTH <br />B <br />SPLIT <br />SPOON <br />SAMPLE <br />CR CORROSION <br />PP <br />POCKET <br />POCKET <br />PENETROMETER <br />PENETROMETER <br />T <br />TUBE SAMPLE <br />CU UNDRNNED <br />TRIAXIAL <br />RV <br />RVPLUE <br />"' This log is a part of a report by Leighton and should not be used as a stand-alone document"' Page 1 of 2 <br />