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DRILLING COMPANY: Holocene Drilling DATE STARTED: 11/5/2018 <br /> DRILLING METHOD: CME 830 Tracked Rig,HSA&Mud Rotary DATE COMPLETED: 11/5/2018 <br /> SAMPLING METHOD: SPT with Autohammer LOGGED BY: B.Thurber/A.Ong <br /> LOCATION: See Figure 2 <br /> w <br /> I g W <br /> v Standard Penetration Test <br /> CD Z <br /> U a} L coN Q (140 lb.weight,30"drop) Z <br /> J O w w W.� p A Blows per foot O <br /> (� J J f0 Z Q <br /> H 0 cn o_ a o:3 W >-- <br /> W y >- fn Q Q W 9 I- -Iy <br /> 0 cn DESCRIPTION N o_ O 0 10 20 30 40 50 W" <br /> 60— Dense,yellow brown,clayey,fine to medium SAND,wet.With S-14 10-12-18 A <br /> - scattered fine gravel. <br /> 65— Dense,dark gray,clean,fine to medium SAND,wet. S-15 16-20-21 <br /> - SP <br /> 70 Very dense,dark gray,clean,medium to coarse SAND,wet. S-16 21-28-28 »A <br /> (ADVANCE OUTWASH) <br /> 75— ': »L <br /> Very dense,dark gray,clean,medium to coarse SAND,wet. El S-17 30-33-37 <br /> - Fine to medium SAND in last 2". <br /> Borehole terminated at 76.5'below ground surface(bgs). <br /> Groundwater encountered at 20'bgs during drilling. <br /> - Borehole abandoned with 3/8"bentonite chips. <br /> 80— <br /> 85— <br /> 90- <br /> 0 20 40 60 80 100 <br /> I Water Content(%) <br /> Plastic Limit I 111-- I 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 /> I = GEOTECHNICAL ENGINEERING REPORT B <br /> BORING: <br /> RIVERFRONT BOULEVARD <br /> HWAGEOSCIENCESINC EVERETT, WASHINGTON PAGE: 3 of 3 <br /> I PROJECT NO.: 2015-061 FIGURE: A-3 <br /> BORING-DSM 2015-061.GPJ 12/10/18 <br />