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DRILLING COMPANY: Holt Services, lnc. <br />DRILLING METHOD: Hollow Stem Auger, Mobile Drill 857 Track Rig. <br />SAMPLING METHOD: SPT w/ Autohammer <br />LOCATION: See Figure 2. <br />DATE STARTED: 31112023 <br />DATE COMPLETED.. 31 1 /2023 <br />LOGGED BY: V. Oskierko <br />Jo(n <br />a <br />oaI <br />O <br />J <br />oaaoal <br />d.ulH9>-Jl-zuJ ulJJ(L(L <br />aa <br />m"' <br />uJ <br />C)z^SEq5o.g <br />H*-;t <br />FE <br />aFa <br />UJF <br />d <br />uJ-Fo <br />e. <br />uJF <br />=ozlotoo <br />Standard Penetration Test <br />(140 lb. weight, 30" drop) <br />A Blows per foot <br />zo <br />F <br />ulJ <br />uJ <br />IF(I <br />UJo <br />0 <br />oo DESCRIPTION 10 20 30 40 50 <br />oo <br />24-3 <br />m <br />I <br />m <br />m <br />m <br />m <br />s-2 2-24 <br />5 s-3 DD <br />AL <br />%F <br />s4 5-19-16 GS <br />g <br />10 s-5 18-30-42 <br />s-6 16-32-40 <br />15 s-7 12-20-32 <br />Exploration terminated at 16.sfeet below ground surface <br />(BGS). Groundwater was encountered at 9' BGS. Borehole <br />abandoned with 3/8" bentonite chips. <br />20 <br />A bulk sample of drill cuttings was taken while drilling from <br />approximately 0'-5'BGS and combined with a bulk sample <br />from BH-s for particle-size determination, organic content, <br />and CBR testing. <br />25 <br />0 20 40 60 80 <br />Water Content (%) <br />PlasticLimit |-ff LiquidLimit <br />Natural Water Content <br />100 <br />NOTE: This log of subsurface conditions applies only at the specilied location and on the date indicated <br />and therefore may not necessarily be indicative of other times and/or locations. <br />OL Medium stiff, dark brown, organic SILT, with roots, moist. <br />(TOPSoIL) <br />CL <br />I Material at the bottom of tube appears to be a poorly graded /- <br />\saruo,moist. <br />Dense, gray, slightly silty, sandy, well graded GRAVEL, moist. <br />Gravel broken by sampler. <br />(COARSE.GMJNED ALLUVIUM) <br />Rough drilling from 7.5'-10'BGS. <br />Becomes very dense. <br />Very rough drilling from 10'-12.5' BGS. <br />Very dense, grayish brown, slightly silty, sandy, poorly graded <br />GMVEL, wet. <br />Very dense, grayish brown, gravelly, poorly graded SAND, <br />wet. <br />SP <br />GW <br />GM <br />GP <br />GM <br />SP <br />Kittitas County Transfer Station <br />Geotechnical I nvestigation <br />Ellensburg, Washington <br />GEOSCENCES INC. pRoJECrNo.: 2022-188 FTGURE: A-9 <br />BORTNG-DSM 2022-1 Bg.GP J 5l't2!23 <br />IIm BORING <br />BH.8 <br />PAGE: 1 of 1