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UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS GROUP GROUP NAME <br /> SYMBOL <br /> CLEAN GW WELL-GRADED,FINE TO COARSE GRAVEL <br /> COARSE - GRAVEL <br /> GRAVEL GP POORLY-GRADED GRAVEL <br /> GRAINED MORE THAN 50% GRAVEL <br /> OF COARSE FRACTION GM SILTY GRAVEL <br /> RETAINED ON <br /> SOILS NO.4 SIEVE WITH FINES <br /> GC CLAYEY GRAVEL <br /> SAND CLEAN SW WELL-GRADED SAND,FINE TO COARSE SAND <br /> SAND <br /> SP POORLY GRADED SAND <br /> MORE THAN 50% <br /> RETAINED ON MORE THAN 50% <br /> NO.200 SIEVE OF COARSE FRACTION SAND SM SILTY SAND <br /> PASSES NO.4 SIEVE <br /> WITH FINES SC CLAYEY SAND <br /> FINE - SILT AND CLAY ML SILT <br /> INORGANIC <br /> GRAINED LIQUID LIMIT CL CLAY <br /> LESS THAN 50% ' <br /> SOILS ORGANIC OL ORGANIC SILT,ORGANIC CLAY <br /> SILT AND CLAY MH SILT OF HIGH PLASTICITY,ELASTIC SILT <br /> MORE THAN 50% INORGANIC <br /> PASSES CH CLAY OF HIGH PLASTICITY,FAT CLAY cn <br /> 0 <br /> NO.200 SIEVE LIQUID LIMIT <br /> 50%OR MORE <br /> ORGANIC OH ORGANIC CLAY,ORGANIC SILT o <br /> W <br /> HIGHLY ORGANIC SOILS PT PEAT E <br /> NOTES: <br /> 8 <br /> 1) Field classification is based on visual SOIL MOISTURE MODIFIERS: <br /> cc <br /> examination of soil in general <br /> accordance with ASTM D 2488-93. Dry-Absence of moisture,dusty,dry to 0 <br /> the touch <br /> 2) Soil classification using laboratory tests <br /> is based on ASTM D 2488-93. Moist-Damp,but no visible water. <br /> 0. <br /> 3) Descriptions of soil density or Wet-Visible free water or saturated, <br /> consistency are based on usually soil is obtained from T <br /> interpretation of blowcount data, below water table <br /> visual appearance of soils,and/or <br /> test data. a <br /> 0 <br /> z <br /> Project Number NELSON GEOTECHNICAL No. Date Revision By CK <br /> Staniford Residence ASSOCIATES, INC. T <br /> 1148519 Remodel N G <br /> GEOTECHNICAL ENGINEERS & GEOLOGISTS £ <br /> Figure 3 Soil Classification Chart Ave.Woodinville Office East Wenatchee Office <br /> 17311-135th Av NE,AS00 5526Industry Lane,#2 J <br /> Woodinville,WA 98072 East Wenatchee,WA 99802 J <br /> (425)486.1669/Fax:481-2510 vruw.nelsangectech.com (509)665-7696/Fax:665-7692 = <br />