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0 <br /> s <br /> N <br /> 0 <br /> BORING LOG <br /> m <br /> Co <br /> J <br /> B-2 5, <br /> 0, <br /> a, <br /> 0 <br /> J <br /> Approximate Ground Surface Elevation: ?? <br /> Penetration Resistance ca <br /> Soil Profile Sample Data (Blows/foot 0) u Piezometer <br /> 10 20 30 40 50 50+ I- Installation- <br /> c m t ( t t I Ground Water <br /> Description E- o a o . E m Moisture Content m Data <br /> m_J P E o m o_ (Percent-�) O (Depth in Feet) <br /> O 0 cA In U Cl) .- ? 10 20 30 40 50 50+ m <br /> Topsoil 8 I _ - <br /> Brown-gray,fine to medium sand with silt and trace gravel <br /> (loose,moist)(FILL) - - <br /> 2 IIDark brown,sandy silt with organic debris(soft,moist) _ - <br /> Brown silt with fine sand(medium stiff,moist)(FILL) 6 - <br /> Gray,fine to medium sand with silt(medium dense,moist),T:.::i_^ 22 I - - _ <br /> SP-SM 1 10 -10 <br /> 19 - <br /> Blue-gray silt with trace fine sand(hard,moist) - - <br /> ' 15 -15 <br /> 43 - - <br /> ML <br /> 1 20 -20 <br /> 64 <br /> Boring terminated below existing grade at 21.5 feet on - - <br /> 7/26/16.Groundwater seepage was encountered at 8.0 - - <br /> feet below the existing ground surface during drilling. <br /> 25 —25 <br /> — a <br /> -o <br /> N <br /> — m <br /> c <br /> c <br /> O <br /> _ CO <br /> O <br /> c <br /> C <br /> (0 <br /> LEGEND __1 Solid PVC Pipe Concrete M Moisture Content <br /> -0 <br /> Depth Driven and Amount Recovered Slotted PVC Pipe Bentonite <br /> A Atterberg Limits <br /> G Grain-size Analysis <br /> with 2-inch O.D.Split-Spoon Sampler Monument/Cap Native Soil DS Direct Shear <br /> to Piezometer PP Pocket Penetrometer Readings,tons/ft 2 <br /> p <br /> De th Driven and Amount RecoveredI <br /> * LiquidQ Silica Sand Co <br /> Limit P Sample Pushed <br /> with 3-inch Shelby Tube Sampler + Plastic Limit 1 Water Level T Triaxial 23+� <br /> NOTE:Subsurface conditions depicted represent our observations at the time and location of this exploratory hole,modified by engineering tests,analysis and judgement.They are not necessarily riii <br /> representative of other times and locations.We cannot accept responsibility for the use or interpretation by others of information presented on this log. o <br /> LL <br /> Project Number NELSON GEOTECHNICAL No. Date Revision By CK <br /> Mason Residence Addition NGA ASSOCIATES, INC. <br /> 9619161 6/17/16 Original DPN LSB Q <br /> and Deck GEOTECHNICAL ENGINEERS & GEOLOGISTS C <br /> Figure 7 <br /> 9 Boring Log Snohomish County 339-1559 <br /> Z <br /> 1]317-135M Ave.NE,AS00E. <br /> Page 1 of 1 Woodinville,WA 98072 Wenatchee/Chelan(509)665-]696 <br /> (425)486-1669/Fax 481-2510 www.nelsolgeotech.00m <br /> Z <br />