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Approximate Ground Surtace Elevation: ?? <br />Soil Profile <br />Description <br />BORING LOG <br />B-1 <br />Sample Data <br />�� <br />V a p � O <br />� � O� � O � U t <br />C� �� m V NJ aai <br />0 <br />-no recovery <br />rown, fine to coarse sand with silt (loose, moist) —~�� <br />— — — — — — — — — — — — — <br />� <br />��' SP-SM <br />I . <br />.. : . <br />----------------s� -- <br />Brown, silty fine to medium sand with trace gravel '� ., � <br />kmedium dense, moist to wet) �_� -'-` "� <br />I <br />...'�.'�' SM <br />-becomes very loose, saturated _ <br />Brown, sandy silt (stiff, moist) <br />-becomes gray <br />ML <br />-becomes hard <br />Boring terminated below existing grade at 21.5 feet on <br />5/11/15. Groundwater seepage was not encountered <br />during drilling. <br />1-12" <br />Penetration Resistance <br />(Blows/foot - �) <br />10 20 30 40 50 <br />� � � � � <br />Moisture Content <br />(Percent - ■) <br />10 20 30 40 50 <br />3 ' <br />1 5 ..... .. ....... . .................. ......... .. <br />8 <br />13 � <br />1 �� ........ ......... . ................ ......... .. <br />25 <br />1-12" ' <br />18 ' 15 ........ . ....... .................. ......... <br />34 <br />rn <br />c <br />'�, Piezometer <br />°' Installation - <br />� <br />Z Ground Water <br />� Data <br />m <br />o (Depth in Feet) <br />a <br />m <br />J <br />5 <br />10 <br />15 <br />20 <br />25 <br />LEGEND ❑ Solid PVC Pipe Concrete M Moisture Content <br />[� Slotted PVC Pipe Bentonite A Atterberg Limits <br />�Depth Driven and Amount Recovered G Grain-size Analysis <br />with 2-inch O.D. Split-Spoon Sampler � MonumenU Cap Native Soil DS Direct Shear <br />to Piezometer PP Pocket Penetrometer Readings, tons/ft <br />De th Driven and Amount Recovered Q Silica Sand <br />P * Liquid Limit P Sample Pushed <br />with 3-inch Shelby Tube Sampler + Plastic Limit 1 Water Level T Triaxial <br />NOTE: Subsurface conditions depicted represent our observatlons al the tlme and locatlon of this exploratory hole, modified by englneering tests, anatysls and judgement They are not necessarily <br />representative of other times and locations. We cannot accept responsibility for the use or interpretation by others of information presented on this log. <br />Project Number Gustafson Residence NELSON GEOTECHNICAL No. Date Revision By CK <br />ASSOCIATES, INC. <br />924115 Retaining Walls N '8' � 5�26�,5 Original DPN KMS <br />FI ure 5 GEOTECHNICAL ENGINEERS & GEOLOGISTS <br />9 Boring Log 17311-135t�Ave.NE A-500 Sno�omishCounty(A25)33&1669 <br />Page 1 of 1 (425)4B6'1669IFa�c94B172510 Wene��+heel�C�e^9n�509„6pm7696 <br />0 <br />