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Geotechnical Boring Log B-3 <br />Date: November 22, 2021 <br />Project Name: FFISanta Ana <br />Drilling Company: Martini Drilling <br />Drive Weight:140 pounds <br />Elevation <br />of Top of Hole:148 <br />Feet <br />O <br />U <br />O <br />O <br />U <br />E <br />: <br />O <br />o <br />co <br />> <br />a> <br />Q <br />Q <br />O <br />U <br />O <br />Q <br />� <br />N <br />o <br />w <br />co <br />cn <br />m <br />o <br />118 <br />1 30 <br />111111111 <br />12 <br />22 <br />-- <br />-- <br />®iim�= <br />Project Number: 213031-01 <br />Type of Rig: Hollow Stem <br />Drop: 30 inches <br />Hole Location: See Geotechnical <br />DESCRIPTION <br />0 <br />E <br />>, <br />U) <br />Logged By: MET <br />Z) Sampled By: MET <br />Page: 2 of 2 1 <br />Hole Dia: 8 inches <br />ML Alluvium: <br />@30': red -brown very fine SILT; stiff, moist <br />@32.5': becomes slightly clayey <br />113 35 �' u <br />14 15 -- CL @35': red -brown silty CLAY; stiff, damp <br />15 W 12 I -- I -- I I @37.5': gains minor gravel <br />SA <br />108 <br />40 <br />-- - <br />16 <br />X 67 <br />-- <br />-- <br />SW1@42.5': <br />@40': pale yellow -brown to red -brown fine to <br />medium gravelly SAND; very dense, slightly damp <br />17 <br />49 <br />becomes dense <br />103 <br />45 <br />18 <br />63 <br />-- <br />-- <br />@45': becomes very dense <br />22 <br />-- <br />@47.5': red -brown very fine clayey SILT; very stiff, <br />SHA <br />1911 <br />16.7 <br />ML <br />damp <br />98 <br />50 <br />X 18 <br />__ <br />@50': red -brown very fine to clayey SILT; very <br />AL <br />20 <br />__ <br />ML <br />stiff, damp; minor coarse fraction <br />Total Depth = 51.5 Feet <br />No Ground Water Encountered <br />Backfilled 11/22/2021 with Native Soil <br />1 93 —1 55 <br />LGC VALLEY, INC. <br />= Ring Sample THIS SUMMARY APPLIES ONLY AT THE LOCATION OF THIS BORING AND AT THE TIME OF <br />DRILLING.SUBSURFACE CONDITIONS MAY DIFFER AT OTHER LOCATIONS AND MAY CHANGE AT <br />= SPT THISLOCATION WITH THE PASSAGE OF TIME. THE DATA PRESENTED IS A SIMPLIFICATION OF THE <br />VOELI ACTUAL CONDITIOND ENCOUNTERED. <br />City Council 18-854 <br />