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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. Subsurface 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 />R <br />p <br />U <br />y" <br />actual conditions encountered. Transitions between soil types maybe <br />T <br />g acual. <br />3U <br />• <br />•'' <br />S-] <br />18 <br />20 <br />GW <br />@30". Sandy GRAVEUGmvelly SAND (SW-GW), gra ish <br />brown, tlense, moist, fine to coarse graanetl santl, fore re <br />lu <br />12 <br />coarse grained gravel. <br />•�• <br />S-8 <br />10 <br />@32.5". trace sill. <br />lu <br />0 <br />•� <br />0 <br />'• <br />35 <br />•� <br />S-0 <br />11 <br />@35". GRAVEI (GW), wit santl, gray, tlense, fine to coarse <br />i9 <br />graded sand fine to coarse grained gravel, fmcluretl <br />•�• <br />25 <br />cobbles observed <br />.•� <br />'S. <br />S10 <br />1] <br />22 <br />lu <br />23 <br />•� � <br />40 <br />S11 <br />8 <br />SM <br />@40". Silty SAND ISM), brown, medium tlense, moist, fine <br />0 <br />grained santl. <br />0 <br />MIL <br />@41 Sandy SILT (MIL), brown, very stiff, moist, fine grained <br />santl. <br />R-5 <br />6 <br />GL <br />@42.5". GLAV (GH trace sill, brown, very stiff, moist. <br />2 <br />45 <br />S12 <br />4 <br />MIL <br />@4 SILT (ML), trace clay, brown, minorsand stiff, fine <br />5 <br />r <br />gainetl sandd <br />8 <br />S13 <br />5 <br />GL <br />@47.5". GLAV (GH trace sill, minor santl, retlish brown, stiff, <br />5 <br />moist, fine grained santl. <br />50 <br />514 11 <br />10 <br />@50". red hand tlamptotlry. <br />5 <br />20 <br />Total Depth : 51.5 X bgs, <br />No groundwater encountered during drilling, <br />Boringg was bacinfilled 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 BA SIEVE <br />DB DIRECTE)[PAN SHEARION <br />EQUIVSIS <br />C CORE SAIkI340PLE AL El BE ALENT <br />AL ATINEBPABBIRG MI IN <br />WDROMONINDIX SPNG ECIFIC GRAVITY <br />CONSO DATIOIIs <br />G GRABBAMPLE CN COU_APSE TION H HYDROMETER SG <br />UNCONFINED CITY <br />R RING SAMPLE CO CORROSIO MD UC UNCONFINED COMPREBBIVE STRENGTH <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 />