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GEOTECHNICAL BORING LOG LB-5 <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 />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 />R <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. Subsl/rface conditions may differ at other locations <br />andmaychangewiththri Thedescriptionisasimpllficationofthe <br />actual conditions encountered. Transitions between soil types maybe <br />gradual. <br />a <br />~ <br />O <br />o. <br />T <br />30 <br />S-5 <br />28 <br />@30". hacWretl cobbles obserevetl. <br />50/5" <br />tlrilling with difficulty and loud noise) <br />35 <br />S-6 <br />11 <br />SW <br />@35". Gravelly SAND (SW), gray, medium tlense, moist, fine to <br />10 <br />coarse grained sandd, fine to medium grained gravel. <br />15 <br />40 <br />S-] <br />x <br />@40". very tlense, with fractured cobbles. <br />0/6" <br />° <br />45 <br />S-8 <br />13 <br />@45". SAND (SW-GW), wit gravel, gray, tlense, moist, fiddle <br />j <br />26 <br />coarse grained sand fine to coarse grained gravel. <br />° <br />19 <br />50 <br />t ' <br />j <br />S-9 <br />35 <br />M <br />@50". very tlense, with fractured cobbles. <br />0/4 <br />Total Depth : 51.5 X bgs, <br />No groundwater encountered during drilling, <br />Boringg was backtilled with soil cuttings and surface was <br />patched with coldarix asphalt upon completion of drilling on <br />October 30, 2018. <br />55 <br />SAPMPLE TYPES: <br />TYPE OF TESTS: <br />B BULK SAMPLE SA SIEVE <br />%FINESPABBIMI DB DIRECTSHEAFION <br />El BE VALENF <br />AL IN EQUIVALENT <br />C CORE SAMPLE AL <br />WDROMONINDIX SPND ECIFIC <br />CONSO DATIOIIs <br />G SAMPLE CN COU-APSE TION H HYDROMETER SG <br />UNCONFINED CITY <br />RING UC UNCONFINED COMPRESSIVE STRENGTH <br />R RING SAMPLE CO COLLAPSE MD <br />POCKET PENETROMETER <br />B SPLIT SPOON SAMPLE CR CORROSION PP POCKET PENETROMETER <br />T TUBE SAMPLE CU UNDRNNED 3RIAXIAL 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 />