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Earth Solutions NW BORING NUMBER B-4 <br /> 1805-136th Place N.E.,Suite 201 PAGE 1 OF 1 <br /> Bellevue,Washington 98005 <br /> Telephone: 425-449-4704 <br /> Fax: 425-449-4711 <br /> PROJECT NUMBER ES-6516 PROJECT NAME Four Corners <br /> DATE STARTED 1/24/19 COMPLETED 1/24/19 GROUND ELEVATION 575 ft HOLE SIZE <br /> DRILLING CONTRACTOR Geologic Drill Partners GROUND WATER LEVELS: <br /> DRILLING METHOD HSA AT TIME OF DRILLING --- <br /> LOGGED BY .CGH CHECKED BY KDH AT END OF DRILLING --- <br /> NOTES Surface Conditions:asphalt—4" AFTER DRILLING --- <br /> wEL <br /> o <br /> _ �w of ��D . _ <br /> $ _j g > O=¢ TESTS Q p MATERIAL DESCRIPTION <br /> p QZ mOZ D � <br /> 0 <br /> Brown well-graded SAND,dense,wet <br /> SW -becomes gray <br /> USS <br /> 100 12(32�16 MC=9.90% <br /> 5 5.0 570.0 <br /> Gray silty SAND with gravel,very dense,moist(Glacial Till) <br /> SS 33 10-30-30 MC=9.20% <br /> L <br /> (60) <br /> SS 100 50/5" MC=6.00% <br /> SM <br /> 10 <br /> SS 100 50/5" MC=6.00% -moderate perched groundwater seepage <br /> -no recovery <br /> _ 13.0 -obstruction in sampler 5620 <br /> SS 100 50/6" Boring terminated at 13.0 feet below existing grade due to refusal in <br /> very dense native till. Groundwater seepage encountered at 10.0 feet <br /> N during drilling. Boring backfilled with bentonite. <br /> o Bottom of hole at 13.0 feet <br /> a <br /> o <br /> J <br /> a <br /> H <br /> x <br /> m <br /> J <br /> LU <br /> W <br /> Z <br /> w <br />