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GEOTECHNICAL BORING LOG LB-7 <br />Project No. <br />12126.001 <br />Date Drilled <br />10-30-18 <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 />d <br />a <br />SOIL DESCRIPTION <br />o <br />sY <br />a <br />a <br />a <br />Z <br />as <br />N <br />- <br />Ny <br />a <br />a a <br />4a <br />4a <br />C <br />a <br />3 <br />a u <br />rn a <br />VU <br />This Soil Description applies only to a location of the exploration at the <br />~ <br />iLL <br />aLL <br />aJ <br />— <br />ao� <br />OQ <br />00l <br />time of sampling. Suburise Conditions may clear at other locations <br />O <br />W <br />O <br />f7 <br />Q <br />m <br />m1p <br />Z <br />aoa <br />'aj <br />andmaychangewithtime. Thedescriptionisasimplificationofthe <br />o. <br />y <br />p <br />U <br />0— <br />actual conditions encountered. Trans)&vs between soil types maybe <br />p, <br />IL <br />g acual. <br />0 <br />@0". 25inches of asphalt (AC) concrete over &inches of <br />A ro ale Base. <br />Artificial Fill. undocumented OVul: <br />Hand augerotl to 5ags. <br />@0. 75". Santly SILT (MIL) , brown, moist, fine grained santl. <br />MIL <br />5 <br />— — — <br />— — — <br />R-1 <br />-- <br />2 <br />-- <br />111.8 <br />-- <br />11.8 <br />-- <br />---------------------------_ <br />Alluvium Fan Deposit (Dan: <br />CIA <br />3 <br />@5". Santly SILT (MIL) , brown, metlium stiff, moist, finegrained <br />4 <br />santl. <br />S-1 <br />2 <br />158 <br />SM <br />@7.5". Silly SAND (SM), brown, very loose to loose, moist, fine <br />2 <br />grained santl. <br />2 <br />10 <br />R-2 <br />4 <br />120.6 <br />125 <br />@10".loose. <br />CIA <br />6 <br />S-2 <br />9 <br />2.8 <br />MIL <br />@12.51 SILT(MIT) , minorsand brown, had, wet, finegmined <br />22 <br />santl. <br />20 <br />SW <br />(pu mired water) <br />(drilling with difficulties and loud noises) <br />15 <br />S 3 <br />17 <br />@13514". SAND (SWI, wish gravel, grayish brown, dry, fine to <br />coarse grained sandd, fine grained gravel, fractmed cobble <br />25 <br />obs... d <br />50 <br />@15". Sandy GRAVEUGmvelly SAND (SW Slit) gray, very <br />tlense, damp, fine to coarse grained santl, fine to coarse <br />S-0 <br />15 <br />5 <br />4.4 <br />grained gravel. <br />@1Z.5". loose to medium dense .(3"recovered) <br />5 <br />20 <br />S-5 <br />3 <br />MIL <br />@20". SILT (ML), minorsand brown, soft to medium stiff, moist, <br />2 <br />fine grained santl. <br />2 <br />R-3 <br />4 <br />@22.5". Clayey SILT (MIL), brown, medium stiff, wet. <br />6 <br />25 <br />S-6 <br />3 <br />11.9 <br />OL <br />@25". Silty CLAY (CL), brown, medium stiff, wet. <br />4 <br />3 <br />R4 <br />9 <br />19 <br />25 <br />SO <br />@28.8". Clay%yy SAND (SC), wish gravel, brown, medium tlense, <br />moist, fine io coarse grained santl, medium grained gravel. <br />SAMPLETYPEB: <br />}}pp <br />TYP00 <br />B <br />BULK <br />SAMPLE <br />%FINES <br />DS <br />DIRECTE)[PAN <br />SA SIEVE <br />SHEARION <br />C <br />CORE <br />SAMPLE <br />AL ATINEBPABBIMI <br />AL <br />El <br />BE EQUIVSls <br />VALENF <br />IN ALENT <br />G <br />GRAB <br />SAMPLE <br />CONSO <br />CN COU-APSE <br />DATIOITs <br />TION <br />H <br />WDROMONINDIX <br />HYDROMETER <br />SPND ECIFIC <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 SAMPLE <br />CR CORROSION <br />PP <br />POCKET <br />POCKET <br />PENETROMETER <br />PENETROMETER <br />T <br />TUBE SAMPLE <br />CU UNDRNNEDTRIAXIAL <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 />