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Boring Log HC-9 <br /> Location:Lat:47.91158775 Long:-122.2749021 Drill Equipment:Mobile B-59/Mud Rotary <br /> Approximate Ground Surface Elevation:572.5 Feet Hammer Type:SPT w/140 Ib.Automatic hammer <br /> Horizontal Datum:WGS84 Hole Diameter:5 inches <br /> Vertical Datum:NGVD 29 Lagged By:N.Campbell Reviewed By:A.Wade <br /> STANDARD LAB <br /> USCS Graphic Depth PENETRATION RESISTANCE TESTS <br /> Class Log Soil Descriptions in Feet Sample • Blows per Foot <br /> 0 0 10 20 30 40 50+ <br /> SP SM Asphalt Concrete(2-inches thick)_ <br /> Medium dense,wet,dark brown,gravelly fine <br /> to coarse SAND with silt,fine to coarse <br /> gravel,trace organics and wood debris. <br /> 5 a <br /> S-1 e <br /> PT Very loose to loose, moist to wet,brown,silty 10 S-2 2 • Gs <br /> SM fine to coarse SAND with fine to coarse 12 <br /> gravel,heavy organics, lenses of gravelly <br /> silty SAND. <br /> SM Loose to medium dense,wet, light gray and <br /> red-brown,silty fine to coarse SAND,trace 15 i <br /> organics as wood debris. S-3 3 <br /> 20 3 <br /> S-4 2 <br /> 2 <br /> 25 3 <br /> S-5 5 <br /> 10 <br /> N 30 <br /> S-6 5 <br /> N <br /> N <br /> SM Very dense,wet,olive-gray-brown,silty fine <br /> to coarse SAND with fine gravel, mottled. <br /> o (TILL) <br /> 35 18 <br /> 28 <br /> S-7 • <br /> = S-7 50/6" GS <br /> CL <br /> J <br /> Q7 <br /> O <br /> O <br /> m 40 <br /> ogrades to gravelly with occasional cobbles S-8 50/6° <br /> Z Bottom of Boring at 41.5 Feet. <br /> a Started 05/07/15. <br /> °m <br /> Completed 05/07/15. <br /> Z45 0 20 40 60 80 too, <br /> • Water Content in Percent <br /> f� <br /> M <br /> ` <br /> 1.Refer to Figure A-1 for explanation of descriptions and symbols. ■&M `•,OWSE l <br /> 2.Soil descriptions and stratum lines are interpretive and actual changes may be gradual. <br /> 3.USCS designations are based on visual manual classification(ASTM D 2488)unless otherwise 19106-01 5115 <br /> supported by laboratory testing(ASTM D 2487). Figure A-10 <br /> 4.Groundwater level,if indicated,is at time of drilling(ATD)or for date specified. Level may vary 9 <br /> with time. <br />