Laserfiche WebLink
• • <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% <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 7 <br /> PASSES CH CLAY OF HIGH PLASTICITY,FAT CLAY U <br /> NO.200 SIEVE LIQUID LIMIT <br /> 50%OR MORE m <br /> ORGANIC OH ORGANIC CLAY,ORGANIC SILT 9 <br /> Y <br /> HIGHLY ORGANIC SOILS PT PEAT <br /> 0 <br /> 0 <br /> NOTES: <br /> a <br /> 1) Field classification is based on visual SOIL MOISTURE MODIFIERS: <br /> examination of soil in general i <br /> accordance with ASTM D 2488-93. Dry-Absence of moisture,dusty,dry to cn <br /> the touch <br /> 2) Soil classification using laboratory tests <br /> is based on ASTM D 2488-93. Moist-Damp,but no visible water. a <br /> a <br /> N <br /> 3) Descriptions of soil density or Wet-Visible free water or saturated, <br /> consistency are based on usually soil is obtained from LL <br /> interpretation of blowcount data, below water table m <br /> visual appearance of soils,and/or a <br /> test data. <br /> U' <br /> z <br /> Project Number .{ ". IlELSO[1 No. Date Revision ByCK Co GEOTECHt11CAL <br /> 1295621 Tsang Slope Restoration NA ASSOCIATES, Inc 1 10/18/21 Original DPN crc <br /> Soil Classification Chart a <br /> '� Woodinville Office Wenatchee Office <br /> Figure 4 17311-135th Ave.NE,A-500 105 Palouse St. <br /> Woodnv//o,WA 98072 Wenatchee,WA 98801 J <br /> www.nlsongeotech.com (425)486.1669/Fax;481-2510 (509)665-7696/Fax:665-7692 S <br />