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Y KAPREALIAN ENGINEERING I N C O R P O R A T E D ! I I 1 MAJOR DIVISIONS SYMBOLS E TYPICAL SOIL DESCRIPTIONS I I I k I I GW Well graded gravels or-ravel -sand mixtures little or no fines GRAVELS ` I I ti•ti ti I I GP tia:'ti• y a a � Poorly graded gravels or gravel - sand mixtures, little or no fines I 1.f. I I (More than 1/2 of coarse I �•�•� I ! I fraction >No 4 Sieve size) I I GM Silty gravels gravel - sand - silt mixtures I I GC Clayey gravels,gravel - sand- clay mixtures 1 I k SW Well graded sands or gravelly sands, little or no fines ! I SANDS I I I I I I I I SP Poorly graded sands or gravelly sands little or no fines I (More than 112 of coarse I I I fraction<No 4 sieve size) I I SM Silty sands,sand- silt mixtures I I 1 I I SC Clayey sands,sand- clay mixtures ! 1 I I i I IInorganic silts and very fine sands, rock flour silty or clayey I . i SILTS & CLAYS i ML _ fine sands or clayey silts with slight plasticity k I kInorganic clays of low to medium plasticitN gravelly clays I . L<_54 I CL Lsandy clays silty clays lean clays I I I I I k l k OL , \ Organic silts and organic silty clays of low plasticity I I I MH Inorganic silts, micaceous or diatomaceous fine sandy or siltv I SILTS&CLAYS soils,elastic silts I I CH Inorganic clays of high plasticity, fat clays I I LL> 50 I t I k I I I OH Organic clays of medium to high plasticity organic silty clays I r t i organic silts I I HIGHLY ORGANIC SOILS I Pt Peat and other highly organic soils I 1 I I I I I I I k I I I k I DUAL(TRANSITION) I Soil characterisitics are transitional between the soil I SOILS I classifications listed above I I I I I 1 k I CLASSIFICATION CHART(Unified Soil Classification System)