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Earth Solutions NW BORING NUMBER B-4 <br />1805 - 136th Place N.E., Suite 201 <br />Bellevue, Washington 98005 PAGE 1 OF 1 <br />NowTelephone: 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 Geolouic 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 />w <br />a <br />_ <br />�w <br />of <br />��� <br />vi <br />w- <br />_j g <br />j <br />¢ <br />TESTS <br />Q O <br />MATERIAL DESCRIPTION <br />0 <br />> <br />mOZ <br />0 <br />J <br />0 <br />4Z <br />U) <br />w0 <br />CY <br />0 <br />Brown well -graded SAND, dense, wet <br />SW <br />.•'' <br />-becomes gray <br />SS <br />100 <br />12�32�1fi <br />MC = 9.90% <br />5 <br />. <br />5.0 _ 570. <br />Gray silty SAND with gravel, very dense, moist (Glacial Till) <br />SS <br />33 <br />10-30-30 <br />(60) <br />MC = 9.20% <br />K <br />SS <br />100 <br />50/5" <br />MC = 6.00% <br />SM <br />10 <br />-moderate perched groundwater seepage <br />SS <br />106 <br />50/5" <br />MC = 6.00% <br />-no recovery <br />13.0 -obstruction in sampler_ 562. <br />SS <br />000 <br />__ <br />50/6" <br />M _ <br />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 />during drilling. Boring backfilled with bentonite. <br />Bottom of hole at 13.0 feet. <br />