Laserfiche WebLink
BORING LOG <br />B-2 <br />Approximate Ground Surtace Elevation: ?? <br />Soil Profile Sample Data <br />� <br />Description a rn ��° 3� a�° � <br />� J O � � p � V .L <br />(� �(j mU �J aai <br />O <br />ark brown, silty fine to medium sand with organics SM � <br />(very loose, moist) <br />rown, fine to coarse sand with silt and trace gravel ��'� <br />— — — — — — — — — <br />very loose, moist) � ' : <br />( :• . � 5 <br />� SP-SM �-12„ <br />:. : � �—�� : - <br />I� 1-12" ' . <br />Brown to gray, sandy silt with iron-oxide staining � � <br />�(stiff, moist to wet) 15 ' . <br />I ML <br />— — — — — — — — — — — — — — <br />�wn to gray, silty fine to medium sand with iron-oxide <br />�ining (medium dense, moist) <br />� to gray, sandy silt with iron-oxide staining <br />stiff, moist) <br />Boring terminated below existing grade at 21.5 feet on <br />5/11/15. Groundwater seepage was not encountered <br />during drilling. <br />Penetration Resistance <br />(Blows/foot - �) <br />10 20 30 40 50 <br />Moisture Content <br />(Percent - ■) <br />10 20 30 40 50 <br />m <br />c <br />'�, Piezometer <br />°' Installation - <br />E- <br />o Ground Water <br />� Data <br />� (Depth in Feet) <br />m <br />J <br />: <br />10 <br />15 <br />20 <br />25 <br />LEGEND i� Solid PVC Pipe Concrete M Moisture Content <br />De th Driven and Amount Recovered �� Slotted PVC Pipe Bentonite A Atterberg Limits <br />p 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 �c Liquid Limit P Sample Pushed <br />with 3-inch Shelby Tube Sampler + Plastic Limit 1 Water Level T Triaxial <br />NOTE: Subsurface condltions deplcted represent our observatlons at the tlme and location of thls exploratory hole, modified by englneering tests, analysls and judgement. They are not necessarlly <br />representative of other times and locations. We cannot accept responsibility for the use or interpretation by others oi information presented on thls log. <br />Project Number Gustafson Residence NELSON GEOTECHNICAL No. Date Revision By CK <br />ASSOCIATES, INC. <br />924115 Retaining Walls N A � eizsns Odginal oPN Knns <br />FI ure 6 GEOTECHNICAL ENGINEERS Ec GEOLOGISTS <br />9 Boring Log �7371-735�hAveNE.A•500 SnohomishCounly(925)339-1fi69 <br />Page 1 of 1 (425)4 6�76169 F x948172510 Wenal�Vhen�elso 9Qo509„6�m7696 <br />� <br />s <br />N <br />N <br />0 <br />