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Boring Log HC-6 <br /> Location:Lat:47.91237358 Long:-122.2742121 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 /> PENETRATION RESISTANCE TESTS <br /> USCS Graphic Depth <br /> Class Log Soil Descriptions in Feet Sample ♦ Blows per Foot <br /> 0 10 20 30 40 50+ <br /> SP-SM 45 Very dense,wet,gray,fine to coarse SAND S-9 50/4" <br /> with silt and fine gravel. (TILL)(cont'd) <br /> 50 S-10 50/6" <br /> 55 S-11 50/4" <br /> 60 36 <br /> S-12 50/5" <br /> Bottom of Boring at 61.0 Feet. <br /> Started 05/08/15. <br /> Completed 05/08/15. <br /> 65 <br /> 70 <br /> N 75 <br /> m <br /> N <br /> N <br /> F <br /> 0 <br /> 80 <br /> UI <br /> a <br /> J <br /> [D <br /> C <br /> G <br /> m 85 <br /> O <br /> J <br /> Z <br /> Q <br /> U <br /> CO <br /> Z 190 0 20 40 60 86 100+ <br /> • Water Content in Percent <br /> MR <br /> fiW <br /> 1.Refer to Figure A-1 for explanation of descriptions and symbols. H.. Iff"OWSUR <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-7 2/2 <br /> 4.Groundwater level,if indicated,is at time of drilling(ATD)or for date specified. Level may vary 9 <br /> with time. <br />