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Start End Total Logged By BHC Geologic Drill Drilling <br /> Drilled 11/3!2011 11/3/2011 De th ft) 81'3 Checked B NLT Driller Explorations, Inc. Method Hollow Stem Auger <br /> P ( Y <br /> Surface Elevation(ft) Hammer Rope and Cathead Drilling Diedrich D-50 Track <br /> Vertical Datum 430.9 Data 140(lbs)/30(in)Drop Equipment <br /> Easting(X) System Groundwater <br /> Depth to <br /> Northing(Y) Datum <br /> Date Measured Water(ft) Elevation(ft) <br /> Notes: 11/3/2011 79.0 351.9 <br /> FIELD DATA <br /> m <br /> E m o s MATERIAL <br /> i0s L m U DmZ J m C cm <br /> REMARKS <br /> O)O DESCRIPTION <br /> > > E O <br /> N 2 2 E <br /> W 0 tY m U 0U <br /> 0 SM-GM Dark gray silty fine to coarse sand with gravel to <br /> silty gravel with sand(dense,moist)(fill) <br /> Asphalt debris in upper 12 inches <br /> 10 36 <br /> 5-16 SM Dark brownish-gray silty fine to coarse sand with <br /> �y5 $ SA gravel(loose to medium dense,moist)(fill) 7.6 %P=15 <br /> 5 5 3 <br /> e <br /> x <br /> 10-16 <br /> 0 z 4 - <br /> p 6 7 <br /> c. <br /> u <br /> C <br /> W <br /> I <br /> W <br /> 15 10 50,2" 5 <br /> � �^y Blow count not representative <br /> x <br /> w <br /> w <br /> 0 <br /> Rough drilling at 19 feet <br /> 2p - Refusal on concrete at 20 feet;moved over <br /> F h^o 1 50,2" 6 /� CC Concrete debris 10 feet and continued drilling <br /> X <br /> �\ —— <br /> GM Grayish-brown silty gravel with sand,brick <br /> afragments(loose,moist)(fill) <br /> oaa0 25 2 11 7 <br /> z <br /> 0 <br /> WSM Gray silty fine to medium sand with gravel <br /> z (loose,moist to wet)(fill) <br /> w <br /> 0 <br /> N o <br /> 30-112 6 s <br /> Z a° <br /> s <br /> z <br /> a - <br /> 2 35 4 11 9 <br /> u <br /> a 40 <br /> w <br /> Note:See Figure A-1 for explanation of symbols. <br /> w <br /> eE <br /> 3 <br /> Log of Boring B-6 <br /> Project: Mountain View Business Center Division 8 <br /> Pro ect Location: Everett, Washington <br /> GEOENGINEER� jFigure A-7 <br /> Project Number: 6192-021-01 Sheet 1 of 2 <br />