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GEOTECHNICAL BORING LOG LB-1 <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 />149' <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. Subsl/rface 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 />andmaychangewiththri Thedescriptionisasimplificationofthe <br />o. <br />y <br />R <br />p <br />U <br />y" <br />actual conditions encountered. Transitions between soil types maybe <br />T <br />g acual. <br />30.,W.R-6 <br />33 <br />109 <br />3 <br />GW <br />@30". Gravel (GW), with santl, gew medium tlense, moist, fine <br />OS <br />•�• <br />16 <br />to coarse grained santl, fine to coarse grained gravel, <br />6 <br />fracluretl cobbles observed Disturbed rings <br />S25 <br />2 <br />SO <br />@32.5". Clayey SAND (SC), wish sift, brown, loose, moist, fine <br />3 <br />grained santl. <br />115 <br />3 <br />35 <br />R-] <br />3 <br />SM <br />@35". Clayey SAND (SC), wish sift, brown, very tlense, moist, <br />18 <br />fine grained sand Disturbed rings was placed in a bag <br />50/2.5' <br />@35.6". Silty SAND ISM), minor gravel, brown, very tlense, <br />moist, fine grained santl, fine grained gravel. <br />S26 <br />14 <br />26 <br />GW <br />@37.5" Gravel (GW), with santl, grayish brown, very tlense, dry, <br />fine to coarse grained santl, fine to coarse grained gravel. <br />•�• <br />110 <br />W <br />.► <br />• <br />40 <br />, W <br />R-8 <br />27 <br />3.3 <br />. b <br />50/6, <br />�• S <br />S27 <br />17 <br />@42.5". moist, frucluretl cobbles in the sample. <br />' <br />3] <br />105 <br />b <br />45 <br />R-9 <br />28 <br />@45". moist, fine to medium grained santl. <br />15, <br />�b <br />S8 <br />•• S <br />2] <br />100 <br />'. . <br />50 <br />.• S <br />R-10 <br />�. <br />32 <br />56 <br />Total Depth : 51.5 X bgs, <br />No groundwater enccuntered during drilling, <br />Boring was backtilled with soil cuttings and surface was <br />as ched with cdrlmix asphalt upon completion of drilling on <br />95 August 20, 2018. <br />55 <br />90 <br />SAMPLETYPES: <br />TYPE OF TESTS: <br />40, <br />B BULK SAIdPLE %FINES PASSING DS DIRECT SA SIEVE ANALYSIS <br />ISHEARON IN BE EQUIVALENT <br />AL ns El <br />C CORE SAMPLE AL ATTERCONSO <br />WDROMONINDIX SPND ECIFIC <br />DATIORG <br />G GRABBAMPLE CN COU-APSE TION H HYDROMETER SG <br />UNCONFINED CITY <br />R RING SAMPLE CO CORROSIO MD UC UNCONFINED COMPRESSIVE STRENGTH <br />POCKET PENETROMETER <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 />