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N <br /> N <br /> Date Begin-End: 4/17/2020 Drilling Company: V&W Drilling BORING LOG B-4 <br /> c� <br /> Logged By: M.Porter Drill Crew: Frank/Anthony <br /> Hor.-Vert.Datum: Not Available Drilling Equipment: CME-55 HT Hammer Type-Drop: 140 Ib.Auto-30 in. <br /> a Plunge: -90 degrees Drilling Method: Hollow Stem Auger <br /> 0 <br /> a <br /> 0 <br /> Weather: Sunny/Fair Exploration Diameter:6 in.O.D. <br /> FIELD EXPLORATION LABORATORY RESULTS <br /> O .. N U N <br /> o 0) Latitude:37Lu o .90211° a) J= „ o a o o N N <br /> Longitude:-121.24171° T m� a 0 o ca <br /> U w Surface Condition:Soil H 3 Z,af -_- a w e N <br /> U a) al a� p +- J O C i <br /> CL .r- L Q� Q p LL j z U) O C C C C U z O <br /> Q U o - O I I 0 of (� w rn rn N II N <br /> a) O a7 7 a7 o c o (D (n T O O Z a7 a7 a7 d 'a N <br /> o c7 Lithologic Description co z U) mJ LL o? D Co U o 0- 0- a? Q of <br /> Fat CLAY with Silty Sand(CH):high <br /> plasticity,brown&light brown,moist,stiff,fine <br /> BC=3 10" <br /> to medium sand 1B 4 20.1 98.5 <br /> 1A 6 <br /> P=1.5 <br /> Fat CLAY(CH):high plasticity,brown,moist, BC=3 12" <br /> very stiff 2B 6 <br /> 2A 8 <br /> P=2.0 <br /> 5 BC=8 14" <br /> ----------------- 3B 11 20.8 100.2 <br /> Lean CLAY with Sand(CL):medium 3A 27 <br /> plasticity,light brown,moist,hard,fine to P=>4.5 <br /> medium sand <br /> Sandy Lean CLAY(CL):medium plasticity, <br /> 10yellowish brown,moist,hard,fine to medium <br /> BC=6 <br /> sand,calcite veins 4B 17 14" 22.2 94.4 <br /> 4A 27 <br /> P=>4.5 <br /> Z 15 — <br /> Poorly Graded SAND with Clay(SP-SC):fine BC=6 16" <br /> o to medium-grained,non-plastic,yellowish 5B 10 <br /> 13 <br /> brown,moist,_ _ _ ______ <br /> medium dense i 5A p=>4.5 <br /> Sandy Lean CLAY(CL):medium plasticity, <br /> Lu yellowish brown,moist,hard,fine to medium <br /> LL sand <br /> Lu <br /> U <br /> LL <br /> O 20 Increase in sand BC=7 9" <br /> c7 6B 15 <br /> 6A 20 <br /> P>4.5 <br /> 0 <br /> U) <br /> a <br /> m <br /> Lu <br /> o � <br /> o C7 <br /> o z 25 713 BC=12 12" <br /> o O —— 7A 50/6" <br /> o m1 Poorly Graded SAND with Silt(SP-SM): P=>4.5 <br /> " Y non-plastic,yellowish brown,moist,very <br /> Lu <br /> J dense,fine to medium sand <br /> � m <br /> J <br /> N Sandy Lc CLAY(CL):medium plasticity, <br /> Lu 0 3o yellowish brown,moist,hard,fine to medium <br /> asand,calcite veins <br /> 86 BC=99 j10" <br /> 8A 22 <br /> m P=>4.5 <br /> The boring was terminated at approximately GROUNDWATER LEVEL INFORMATION: <br /> Z 31.5 ft.below ground surface. The boring was Groundwater was not observed during drilling or after <br /> C) backfilled with cement/bentonite grout on April completion. <br /> GENERAL NOTES: <br /> 17,2020. <br /> Z <br /> "I PROJECT No.: BORING LOG B-4 FIGURE <br /> �I 20210067.001A <br /> E Y <br /> iu <br /> w KLE/NFELOER DRAWN BY: GG A-6 <br /> YI< SCK Air Cargo Facility <br /> iL Bright People.Right Solutions. CHECKED BY: JW S. B Street and Earhart Avenue <br /> F, F- �� Stockton,Califonria <br /> F- z DATE: 4/27/2020 <br /> PAGE: 1 of 1 <br /> m m <br />