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Boring Log HC-4 <br /> Location:Lat:47.91272976 Long:-122.2741071 Drill Equipment:Mobile B-59/Mud Rotary <br /> Approximate Ground Surface Elevation:570 Feet Hammer Type:SPT w/140 Ib.Automatic hammer <br /> Horizontal Datum:WGS84 Hole Diameter:5 inches <br /> Vertical Datum:NGVD 29 Logged 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 /> 90 0 10 20 30 40 50+ <br /> ML Hard, moist to wet,gray, SILT with fine to S-16 50/3" <br /> coarse gravel,trace fine to coarse sand. <br /> (TILL)(cont'd) <br /> SM Very dense,m o—i s T gray,gravelly,silty,fine to <br /> coarse SAND.(TILL) s5 <br /> S-17 <br /> 100 S-18 50/2^ <br /> 105 <br /> SM Very dense,wet,green-gray,silty fine to 110 S-19 50/3" <br /> coarse SAND,occasional fine gravel, <br /> weathered. (TILL) <br /> 115 <br /> 120 <br /> `n S-20 50/5" • : : GS <br /> Bottom of Boring at 121.0 Feet. <br /> o Started 05/06/15. <br /> a <br /> Completed 05/06/15. <br /> O <br /> 125 <br /> U <br /> CL <br /> c7 <br /> J <br /> m <br /> O <br /> O <br /> 130 <br /> O <br /> J <br /> Z <br /> Cr0 <br /> Co <br /> LU <br /> Z 135 0 20 40 60 60 100+ <br /> • Water Content in Percent <br /> f� <br /> 1.Refer to Figure A-1 for explanation of descriptions and symbols. fflu?"oWsaw <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 5/15 <br /> supported by laboratory testing(ASTM D 2487). Figure A-5 3/3 <br /> 4.Groundwater level,if indicated,is at time of drilling(ATD)or for date specified. Level may vary 9 <br /> with time. <br />