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Boring Log HC-3 <br /> Location:Lat:47.91271032 Long:-122.2745361 Drill Equipment:Mobile B-59/Mud Rotary <br /> Approximate Ground Surface Elevation:568.5 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 /> 450 10 20 30 40 50+ <br /> SM Very dense,moist,gray,silty fine to coarse S 9 so/a" <br /> SAND with fine to coarse gravel,cemented. <br /> (TILL)(cont'd) <br /> "grades to gravelly <br /> s048 <br /> S-10 50/3" <br /> 55 S-11Z 143 <br /> 50/4" <br /> "-grades to wet 60 S-1238 <br /> 50/5" <br /> 65 S-13 38 <br /> 50/3" <br /> -------------------- <br /> SP SM Very dense,moist,gray-brown,gravelly fine 70 S-14 41 <br /> to coarse SAND with silt,fine to coarse 50/4" <br /> gravel. (TILL) <br /> N 75 S-15 3 50/4' <br /> 6i <br /> n1 <br /> H <br /> n: <br /> O <br /> U, 80 S-16 50/4" <br /> = Bottom of Boring at 80.3 Feet. <br /> a Started 05/12/15. <br /> Completed 05/12/15. <br /> m <br /> b <br /> m 85 <br /> 0 <br /> J <br /> Z <br /> o <br /> CD <br /> Z 90 0 20 40 60 80 100+ <br /> • Water Content in Percent <br /> A <br /> 1.Refer to Figure A-1 for explanation of descriptions and symbols. ' IN RO WSY' <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-4 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 />