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/DRILLING COMPANY: Holocene Drilling DATE STARTED: 11/5/2018 <br /> DRILLING METHOD: Dietrich D-50 Turbo,HSA&Mud Rotary DATE COMPLETED: 11/5/2018 <br /> SAMPLING METHOD: SPT with Autohammer LOGGED BY: A.York <br /> LOCATION: See Figure 2 <br /> tandard Penetration Test <br /> z <br /> 0 a. 2 H m coI- ~ (140 lb.weight,30"drop) <br /> i D L N Qz <br /> p z cn.� I- p A Blows per foot 0 <br /> co w w cc`a w z Q <br /> 3 >^ <br /> w >- 0 < < W 2 I- W Jw <br /> o-- U) D DESCRIPTION co U) a v 0 0w— <br /> 0 10 20 30 40 50 <br /> 30— "Dense",dark brown,silty,fine to medium SAND,moist.With S-7 13-23-24 <br /> - scattered organics(roots and wood fragments),fine gravel, <br /> and some small glass fragments in top 3". <br /> 35— A I <br /> "Medium dense",dark brown,silty,fine to medium SAND, ® S-8 13-5-8 <br /> - moist.With scattered fine gravel,rubber piece in bottom 4". <br /> -5%rottable. <br /> I <br /> I <br /> 40— ` • <br /> OH Stiff,brown,organic SILT,moist.With scattered decomposed Z S-9 5-4-7 OC A <br /> - �^^1 wood fragments.-10`)/0 rottable. <br /> (ALLUVIUM) <br /> - LA.- <br /> LA-A-/ <br /> LAA1I <br /> -, <br /> - ,AA., <br /> AJ <br /> LAAi <br /> - 61`,^f . <br /> ML <br /> 45— A <br /> Medium stiff,olive gray,clayey SILT,moist.With scattered ®S-10 3-2-4 <br /> I <br /> - partly decomposed wood fagments.-5%rottable. <br /> I <br /> 50— A <br /> Medium stiff,olive gray,clayey SILT,moist.With trace partly S-11 2-2-2I <br /> - decomposed wood fagments.-1%rottable. <br /> NR <br /> III <br /> 55— '`' ML Very dense,dark olive gray,fine sandy SILT,moist.With NS-12 21-27-33 »A <br /> - SM scattered fine gravel. <br /> (ADVANCE OUTWASH) <br /> I <br /> :1•: <br /> 60— - »A <br /> 0 20 40 60 80 100 <br /> Water Content(%) <br /> Plastic Limit I--9-1 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 /> \.... J <br /> BORING: <br /> MTGEOTECHNICAL ENGINEERING REPORT BH_39 <br /> RIVERFRONT BOULEVARD <br /> HWAGEOSCIENCES INC. EVERETT, WASHINGTON PAGE: 2 of 3 <br /> PROJECT NO.: 2015-061 FIGURE: A-5 111 <br /> BORING-DSM 2015-061.GPJ 12/10/18 <br />