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, <br /> 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% t <br /> RETAINED ON MORE THAN 50% <br /> N0.200 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 LIQUID LIMIT CH CLAY OF HIGH PLASTICITY,FAT CLAY <br /> NO.200 SIEVE 50%OR MORE <br /> ORGANIC OH ORGANIC CLAY,ORGANIC SILT <br /> I <br /> HIGHLY ORGANIC SOILS PT PEAT g <br /> NOTES: i <br /> 1) Field classification is based on visual SOIL MOISTURE MODIFIERS: cl <br /> examination of soil in general <br /> accordance with ASTM D 2488-93. Dry-Absence of moisture,dusty,dry to <br /> the touch <br /> 2) Soil classification using laboratory tests o <br /> Moist <br /> is based on ASTM D 2488-93. -Damp,but no visible water. <br /> 0 <br /> Wet-Visible free water or saturated, ¢ <br /> 3) Descriptions of soil density or / <br /> consistency are based on usually soil is obtained from co <br /> below water table <br /> interpretation of blowcount data, 1 <br /> visual appearance of soils,and/or <br /> test data. e <br /> 0 <br /> Project Number NELSON GEOTECHNICAL No. Date Revision By CK i <br /> Aikins Residence ASSOCIATES, INC. <br /> 1035918 N G A1 5/4/18 Original DPN LSB <br /> Development Infiltration GEOTECHNICAL ENGINEERS &GEOLOGISTS z0 <br /> Figure 3 Soil Classification Chart W°°6ille, A980 East Wenatchee Office c° <br /> 17 311-1 3 5th Ave.NE,A-500 5526 Industry Lane,e2 <br /> Woodinville,WA 98072 East Wenatchee,WA 98802 5 <br /> (425)488-1669/Foe:481-2510 www.nelsongeotech con, (509)665.76961 Foe:665-7692 Z <br />