Laserfiche WebLink
DRILLING COMPANY: Holocene Drilling DATE STARTED: 11/6/2018 \ I <br /> DRILLING METHOD: Dietrich D-50 Turbo,HSA&Mud Rotary DATE COMPLETED: 11/6/2018 <br /> SAMPLING METHOD: SPT with Autohammer LOGGED BY: A.Ong <br /> LOCATION: See Figure 2 SURFACE ELEVATION: 35.0 ±feet <br /> I <br /> Standard Penetration Test <br /> m z ^ w <br /> U - M , I- Q (140 lb.weight,30"drop)-J Z <br /> p LU Z cn .� p ♦ Blows per foot O <br /> N w •w w ct z I- <br /> a 0 Q W 2 I=- cc J, <br /> 0 0) D DESCRIPTION cn U) 0 0 0 0 10 20 30 40 50 w <br /> 30— "Medium dense",black,REFUSE,gooey and wet.Wood X S-7 5-8-10 <br /> - chunks and plastic sheeting in sampler tip. - <br /> - -85%wood and wood fragments - <br /> 1 <br /> -10%miscellaneous fibers and cabling <br /> -5%plastic sheeting - <br /> 35— 'Very dense",black,REFUSE,gooey and wet.Woody debris. ® S-8 50/3" A 0 <br /> III <br /> - Slow,gravelly drilling. - <br /> - -100%wood for recovered length - I <br /> 40— 0/, : PT Loose,black,Refuse lag,gooey and wet.Mostly liquid with Ei S-9 9-4-4 A -5 <br /> - i, 0 i, soft wood. <br /> - ���' -100%wood for recovered length - <br /> 1, \\1, <br /> I <br /> 0/, (ALLUVIUM) - <br /> - I, .0!, <br /> —45— 0,, Medium dense,black,refuse lag,gooey and wet.Poor ®S-10 13-7-6 -10 <br /> - !, 0', recovery. - <br /> - �1�' -100%wood for recovered length.Soft and decomposed, - <br /> .,Clll, likely PEAT. <br /> 0/, . <br /> ML <br /> 50— — A Loose,dark brown,SILT with decomposed wood,wet.Poor to S-11 2-2-3 �- -15 <br /> - no recovery. - <br /> - <br /> ' : PT Stiff,dark brown,woody PEAT,moist. A <br /> - I, 0!. -12A 5-6-7 - <br /> -12B I—I <br /> _ j CL Stiff,dark bluish-gray,slightly sandy,SILT,wet. 12C AL - <br /> UW <br /> - <br /> 55— —No recovery. NR 2-2-2 20 <br /> - • 4 _ I <br /> SP <br /> 60 A <br /> — <br /> 0 20 40 60 80 100 <br /> I <br /> Water Content(%) <br /> Plastic Limit F---•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 /> ` <br /> BORING: <br /> GMGEOTECHNICAL ENGINEERING REPORT BH-41 <br /> RIVERFRONT BOULEVARD <br /> HWAGEOSCIENCES INC. EVERETT, WASHINGTON PAGE: 2 of 3 <br /> PROJECT NO.: 2015-061 FIGURE: A-7 <br /> BORING-DSM 2015-061.GPJ 12/10/18 <br />