Laserfiche WebLink
Unified Soil Classification System <br /> MAJORGROUP GROUP NAME <br /> DIVISIONS <br /> SYMBOL <br /> GRAVEL CLEAN GRAVEL GW WELL-GRADED GRAVEL,FINE TO COARSE GRAVEL <br /> COARSE- <br /> GRAINED MORE THAN 50%OF GP POORLY-GRADED GRAVEL <br /> COARSE FRACTION <br /> SOILS RETAINED ON NO:4 GRAVEL SILTY GRAVEL <br /> SIEVE WITH FINES GM <br /> GC CLAYEY GRAVEL <br /> MORE THAN 50% <br /> RETAINED ON SAND CLEAN SAND SW WELL-GRADED SAND,FINE TO COARSE SAND <br /> number 200 SIEVE <br /> SP POORLY-GRADED SAND <br /> MORE THAN 50%OF <br /> COARSE FRACTION SAND <br /> PASSES NO.4 SIEVE WITH FINES SM SILTY SAND <br /> SC CLAYEY SAND <br /> SILT AND CLAY INORGANIC ML SILT <br /> FINE <br /> GRAINED LIQUID LIMIT CL CLAY <br /> LESS THAN 50% <br /> SOILS ORGANIC OL ORGANIC SILT,ORGANIC CLAY <br /> MORE THAN 50%PASSES NO.200 SIEVE SILT AND CLAY INORGANIC <br /> MH SILT OF HIGH PLASTICITY,ELASTIC SILT <br /> LIQUID LIMIT CH CLAY OF HIGH PLASTICITY,FAT CLAY <br /> 50%OR MORE <br /> ORGANIC OH ORGANIC CLAY,ORGANIC SILT <br /> HIGHLY ORGANIC SOILS PT PEAT <br /> NOTES: <br /> SOIL MOISTURE MODIFIERS <br /> 1) Field classification is based on Dry-Absence of moisture,dusty,dry • <br /> visual examination of soil in general to the touch <br /> accordance with ASTM D 2488-83. <br /> 2) Soil classification using laboratory Moist-Damp, but no visible water <br /> tests is based on ASTM D 2487-83. Wet-Visible free water or saturated, <br /> 3) Descriptions of soil density or usually soil is obtained from <br /> consistency are based on below water table <br /> interpretation of blowcount data, <br /> visual appearance of soils,and/or <br /> test data. <br /> PM: RBP Figure 3 <br /> ROB SON` March 2016 Unified Soil Classification System <br /> BINI 3109-001A Silver Plaza. LLP: Everett Mixed-Use <br />