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I <br />w <br />UNIFIED SOIL CLASSIFICATION SYSTEM <br />GROUP <br />MAJOR DIVISIONS <br />GROUP NAME <br />SYMBOL <br />CLEAN <br />GW <br />WELL -GRADED, FINE TO COARSE GRAVEL <br />COARSE- <br />GRAVEL <br />GRAVEL <br />GP <br />POORLY -GRADED GRAVEL <br />GRAINED <br />MORE THAN 50 % <br />GRAVEL <br />GM <br />SILTY GRAVEL <br />OF COARSE FRACTION <br />SOILS <br />RETAINED ON <br />NO.4 SIEVE <br />WITH FINES <br />GC <br />CLAYEY GRAVEL <br />SAND <br />CLEAN <br />SW <br />WELL -GRADED SAND, FINE TO COARSE SAND <br />SAND <br />SP <br />POORLY GRADED SAND <br />MORE THAN 50 % <br />MORE THAN 50 <br />RETAINED ON <br />RETAIN <br />R <br />OF COARSE FRACTION <br />SAND <br />SM <br />SILTY SAND <br />NO. 200 SIEVE <br />PASSES NO.4 SIEVE <br />SC <br />CLAYEY SAND <br />WITH FINES <br />FINE - <br />SILT AND CLAY <br />ML <br />SILT <br />INORGANIC <br />CL <br />CLAY <br />GRAINED <br />LIQUID LIMIT <br />LESS THAN 50 % <br />ORGANIC <br />OL <br />ORGANIC SILT, ORGANIC CLAY <br />SOILS <br />SILT AND CLAY <br />MH <br />SILT OF HIGH PLASTICITY, ELASTIC SILT <br />INORGANIC <br />MORE THAN 50 % <br />PASSES <br />CH <br />CLAY OF HIGH PLASTICITY, FAT CLAY <br />LIQUID LIMIT <br />NO. 200 SIEVE <br />50 % OR MORE <br />ORGANIC <br />OH <br />ORGANIC CLAY, ORGANIC SILT <br />HIGHLY ORGANIC SOILS <br />PT <br />PEAT <br />NOTES: <br />1) Field classification is based on visual SOIL MOISTURE MODIFIERS: <br />examination of soil in general <br />Dry - Absence of moisture, dusty, dry to <br />accordance with ASTM D 2488-93. <br />the touch <br />2) Soil classification using laboratory tests <br />Moist -Damp, but no visible water. <br />is based on ASTM D 2488-93. <br />Wet - Visible free water or saturated, <br />3) Descriptions of soil density or usually soil is obtained from <br />consistency are based on <br />� below water table <br />interpretation of blowcount data, <br />visual appearance of soils, and/or <br />test data. <br />Project Number <br />NELSON GEOTECHNICAL <br />No. <br />Date <br />Revision <br />By <br />CK <br />1021318 <br />Cliff Drive Short Plat <br />EGA ASSOCIATES, INC. <br />1 <br />1/17118 <br />Original <br />DPN <br />LSB <br />Soil Classification Chart <br />GEOTECHNICAL ENGINEERS & GEOLOGISTS <br />Figure 4 <br />Woodinville Ofgce ast EWenatchee 01I1u <br />17311.13ft Ave.NE,A-6W 55261ndwry lane, 12 <br />Wocdimille, WA 96972 East Wenatchee, WA SWM <br />(425) 466b16&91 Fax: 461-2510—nelwngeotech— (509) 666-7695 Fez: 665.7692 <br />