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"DRILLING COMPANY: Holocene Drilling DATE STARTED: 11/6/2018 1 <br /> DRILLING METHOD: CME 830 Tracked Rig,HSA&Mud Rotary DATE COMPLETED: 11/6/2018 <br /> SAMPLING METHOD: SPT with Autohammer LOGGED BY: B.Thurber <br /> LOCATION: See Figure 2 SURFACE ELEVATION: 39.2 ±feet <br /> co cc Lii <br /> Standard Penetration Test <br /> U d M Q I- ~ <br /> L Q (140 lb.weight,30"drop) I <br /> p Z co .g. p A Blows per foot O <br /> w w w(.0 <br /> Z I <br /> 3 w 2 >^ <br /> ww >- 0 < < w= I-- W J N <br /> 0-- (/) D DESCRIPTION (I) CI) a -- 0 00 10 20 30 40 50 w <br /> 60— 4 inches of gravel lag.Very dense,gray,silty,gravelly SAND, --13A 24-36-36 +` <br /> - moist,over 3 inches of gray SILT over gray,gravelly,silty,fine A.-13B - <br /> to medium SAND,wet. <br /> — -25 <br /> 65— 6 inches of gravel lag.Very dense,gray,slightly silty,fine ®S-14 46-50/5" ��~ <br /> gravelly fine to medium SAND,moist.With 1 inch layer - <br /> oxidized brown. <br /> 1 <br /> — -30 <br /> 70 6 inches of gravel lag.Very dense,gray,slightly silty,slightly S-15 34-39-40 ��~ i <br /> - gravelly,fine to medium SAND,moist to wet. <br /> - <br /> —-35 <br /> 75— Very dense,gray,slightly silty,fine to coarse sandy, ®S-16 50/5" ��� I <br /> - `fine-coarse GRAVEL,wet. / - <br /> Borehole terminated at 75.4'below ground surface(bgs). - <br /> _ Groundwater encountered at 22'bgs during drilling. <br /> Borehole abandoned with 3/8"bentonite chips. - <br /> —-40 <br /> 80= _ <br /> I <br /> - -45 <br /> 85— _ <br /> _ I <br /> — -50 <br /> 90— <br /> 0 20 40 60 80 100 <br /> Water Content(%) <br /> Plastic Limit I--0-1 Liquid Limit <br /> NOTE: This log of subsurface conditions applies only at the specified location and on the date indicated Natural Water Content <br /> and therefore may not necessarily be indicative of other times and/or locations. <br /> BORING: <br /> MGEOTECHNICAL ENGINEERING REPORT BH-44 <br /> RIVERFRONT BOULEVARDI <br /> HWAGEOSCIENCES INC, EVERETT, WASHINGTON PAGE: 3 of 3 <br /> PROJECT NO.: 2015-061 FIGURE: A-10 I <br /> BORING-DSM 2015-061.GPJ 12/10/18 <br />