J_2024 05 09_West Orange Stormwater Management Plan

LETTER SYMBOL MAJOR DIVISIONS CLEAN GRAVELS GRAVEL & GRAVELLY SOILS (Little or no fines) More than 50% of GRAVELS WITH coarse fraction FINES RETAILED on No. 4 Sieve (Appreciable amount of lines) COARSE GRAINED SOILS CLEAN SAND | More thm 50% of material ii LARGER than No. 200 Sieve ' SAND AND SANDY SOILS GW GM GC Clayey gravels, gravel-sandclay mixtures. SW Well-graded sands, gravelly sands, little or no fines. SP Poorly-graded sands, gravelly sands, little or no fines. Silty sands, sand-silt mixtures SM SC ML FINEGRAINED SOILS Liquid limit LESS than 50 SILTS AND CLAYS More than 30V® of material is SMALLER, than No. 200 Sieve. CL OL Liquid limit OREATER than 50 SILTS AND CLAYS MH CH OH HIGHLY ORGANIC SOILS Well-graded gravels, gravelsand mixtures, little or no fine*. Poorly-graded gravels, gravelsand mixtures, little or no lines Silty graves, gravel-sand-sill mixtures. GP (Little or no fines) More than 50% of SANDS WITH coane fraction FINES i PASSING a No. 4 Sieve (Appreciable amount i of fines) TYPICAL DESCRIPTIONS PT Clayey sands, sand-elay mixtures. Inorganic silts and Very fine sands, rock flour, silty or clayey fine sands or clayey sills with slight plasticity. Inorganic clays of low to medium plasticity, gravelly clays, sandy clays, silty clays, lean clays. Organic sills and organic silty clays of low plasticity. Inorganic silts, micaceous or diatomaccous fine sand or silty soils. Inorganic clay* of high plasticity, fat clay*. Organic clays of medium to high plasticity, organic silts. Peat, humus, swamp soils with high organic contents NOTE: DUAL SYMBOLS ARE USED TO INDICATE BORDERLINE SOIL CL CRADATION* COMPACTNESS* sand and/or gravel % Finer by Weight Relative Density Trace Little Some And 0% lo 10% 10% to 20% 20% to 35% 35% to 50% Loose 0%lo 40% Medium Dense40% lo 70% Dense 70% to 90% Very Dense 90% to 100% CONSISTENCY* clay and/or silt Range of Shearing Strength in Pounds per Square Foot leas than 250 Very Soft 250 to 500 Soft 500 to 1000 Medium 1000 lo 2000 Stiff 2000 to 4000 Very Stiff Greater than 4000 Hard •Values are from laboratory or field lest data, where applicable. When no testing was pe UNIFIED SOIL CLASSIFICATION SYSTEM SOIL CLASSIFICATION CHART MEUCK-TULLY AND ASSOCIATES , P.C. PLATE 5A