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GEOTECHNICAL BORING LOG LB-2 <br />Project No. <br />12126.001 <br />Date Drilled <br />8-20-18 <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 />15Z <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. Subsurface conditions may differ 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. ThedescriptionisasimpOficationofthe <br />o. <br />y <br />R <br />p <br />U <br />0— <br />actual conditions encountered. Transitions between soil types maybe <br />T <br />g acual. <br />30 <br />• <br />•' <br />S11 <br />5 <br />14 <br />GVVGV <br />@30". GRAVEL (GWGM), with santl anti sift, gray, medium <br />dense, moist fine to medium grained santl, finelocoarse <br />14 <br />ggrainetl gravel . <br />120 <br />tlrilling wish difficulty and loud noises. <br />S12 <br />4 <br />SM <br />@32.5". Silty SAND ISM), minor gravel, brown, loose, moist, fine <br />-200 <br />5 <br />grained santl, fine grained gravel. (35.8%passing #200) <br />6 <br />drilling wish difficulty and loud noises. <br />35 <br />S13 <br />4 <br />9.3 <br />@35". some coarse grained gravel, tractmetl cobbles (angular <br />4 <br />pieces) in top 2 inches of sampler. <br />4 <br />115 <br />S14 <br />3 <br />SG <br />@37.5". Clayey SAND (SC), dark brown, loose, moist, fine <br />4 <br />grained santl. <br />40 <br />S15 <br />5 <br />OL <br />@40". Sandy Clay (CH brown, stiff, moist, fine grained santl. <br />-200 <br />6 <br />(T5.8%passing #200) <br />8 <br />110 <br />S16 <br />4 <br />@42.5". with sill, stiff. <br />5 <br />6 <br />45 <br />S17 <br />3 <br />@45". Sandy CLAY (CH with sill, brown, stiff, moist, fine <br />5 <br />grained santl. <br />5 <br />105 <br />S18 <br />3 <br />5 <br />50 <br />S19 <br />2 <br />SG <br />@50". Clayey SAND (SC), reddish brown, loose, moist, fine <br />2 <br />grained santl. <br />4 <br />100 Total Depth: 51.5 X bgs <br />No groundwater enccuntered during drilling, <br />Boring was backfilled with soil cuttings and surface was <br />as ched with cdrlmix asphalt upon completion of drilling on <br />August 20, 2018. <br />55 <br />95 <br />SAfiPLETVPEB: <br />TYPE OF TESTS: <br />40, <br />B BULK SAMPLE %FINES PASSING DS DIRECT SA SIEVE ANALYSIS <br />ISHEARON IN BE <br />AL ns El <br />C CORE SAMPLE AL ATTERCONSO <br />WDROMONINDIX SPND ECIFIC GRLENT <br />DATIORG <br />G GRABBAMPLE CN COU-APSE TION H HYDROMETER SG AVITY <br />UNCONFINED CITY <br />R RING SAMPLE CO COLLAPSE MD DENSITY UC UNCONFINED COMPRESSIVE STRENGTH <br />POCKET <br />B SPLIT SPOON SAMPLE CR CORROSION PP POCKET PENETROMETER <br />T TUBE SAMPLE CU UNDRNNED IRIA>1AL RV RVPLUE <br />"' This log is a part of a report by Leighton and should not be used as a stand-alone document"' Page 2 of 2 <br />