Capped with <br />AC cold <br />patch and <br />gravel <br />Backfilled <br />with bentonite <br />chips <br />SS-4-1 <br />SS-4-2 <br />SS-4-3 <br />SH-4-4 <br />SS-4-5 <br />SS-4-6 <br />SS-4-7 <br />SS-4-8 <br />SS-4-9 <br />SS-4-10 <br />SS-4-11 <br />SS-4-12 <br />ASPHALT CONCRETE (±4 inches). <br />Medium dense CRUSHED GRAVEL (GW); gray, moist, <br />±¾-inch to 1-inch minus subrounded to rounded gravel, <br />(base rock). <br />Stiff to very stiff SILT, some clay and sand (MH); gray to <br />brown, moist, medium plasticity, fine sand, (alluvium). <br />Sandy below ±5 feet. <br />Silty sand lens at ±5.8 feet. <br />Medium stiff to stiff CLAY (CH); gray, moist, high <br />plasticity, (alluvium). <br />Stiff gravelly SILT, trace sand (ML); gray and <br />iron-stained, moist, medium plasticity, fine sand, <br />(alluvium). <br />Field vane on SH-4-4: Su = 0.88 tsf at ±12 feet. <br />Silty sand lens at ±13 feet. <br />Stiff sandy SILT (ML); blue-gray and iron-stained, moist, <br />low plasticity, fine sand, (residual soil). <br />Gray and iron-stained at ±40 feet. <br />0.3 <br />1.5 <br />7.5 <br />11.5 <br />30.0 <br />SPT <br />N-Value <br />Moisture (%)Groundwater <br />Log Depth <br />Depth <br />and <br />Comments <br />Core <br />Recovery (%) <br />RQD (%) <br />0 50 100 <br />Elev.Backfill/ <br />Installations/(ft) <br />Sample <br />Number <br />and <br />Location <br />Soil / Rock Description <br />2251077 <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />21 <br />22 <br />23 <br />24 <br />25 <br />26 <br />27 <br />28 <br />29 <br />30 <br />31 <br />32 <br />33 <br />34 <br />35 <br />36 <br />37 <br />38 <br />39 <br />40 <br />41 <br />42 <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />21 <br />22 <br />23 <br />24 <br />25 <br />26 <br />27 <br />28 <br />29 <br />30 <br />31 <br />32 <br />33 <br />34 <br />35 <br />36 <br />37 <br />38 <br />39 <br />40 <br />41 <br />42 <br />BORING LOG: BH-4Project No.: <br />Surface Elevation: <br />Date of Boring: September 30, 2025 <br />The Mark at Eugene <br />Eugene, Oregon <br />BH-4 <br />Page 1 of 2 <br />N/A <br />Professional Geotechnical Services <br />Foundation Engineering, Inc. <br />9 <br />16 <br />8 <br />9 <br />8 <br />10 <br />9 <br />9 <br />13 <br />14 <br />10 <br />9 <br />16 <br />8 <br />9 <br />8 <br />10 <br />9 <br />9 <br />13 <br />14 <br />10