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CITY OF SANTA ANA <br />Planning and Building Agency <br />Approved <br />MAJOR DIVISION <br />GRAPHIC <br />LETTER <br />TYPICAL DESCRIPTIONS <br />Cymm <br />SYMRflt <br />C <br />GW <br />WELL -GRADED GRAY <br />14A� &&QL): <br />GRAVEL <br />CLEAN GRAVELSAND <br />-+ <br />SAND MIXTURES, LIT1 <br />LEO.:NO FINES <br />(LIT, LE OR NO <br />GRAVELLY <br />FINES) <br />SOILS <br />* <br />GP <br />POORLY -GRADED GRAVELS, <br />GRAVEL -SAND MIXTURES, LITTLE <br />COARSE <br />M <br />OR NO FINES <br />GRAINED <br />SOILS <br />MORE THAN <br />GRAVELSSILTY <br />GM <br />GRAVELS, GRAVEL-SAND- <br />50%a OF <br />WITH FINES <br />SILT MIXTURES <br />COARSE <br />FRACTION <br />(APPRECIABLE <br />RETAINED ON <br />AMOUNT OF <br />GC <br />CLAYEY GRAVELS, GRAVEL-SAND- <br />NO.4 SIEVE <br />FINEST <br />CLAY MIXTURES <br />r�yr+tir <br />%0%0%m, <br />SW <br />WELL-GRADEO SANDS, GRAVELLY <br />SAND <br />CLEAN SAND <br />r <br />rrrr�r <br />SANDS, LITTLE OR NO FINES <br />AND <br />(LITTLE OR NO <br />MORE THAN <br />SANDY <br />FINES) <br />POORLY -GRADED SANDS, GRAVEL - <br />50 /o OF <br />SOILS <br />SP <br />LY SANDS, LITTLE OR NO FINES <br />MATERIAL <br />ISL8RGER <br />THAN NO. <br />MORE THAN <br />SM <br />SILTY SANDS, SAND -SILT <br />200 SIEVE <br />50% OF <br />SANDS WITH <br />MIXTURES <br />SIZE <br />COARSE <br />FINE <br />FRACTION <br />(APPRECIABLE <br />PASSING ON <br />AMOUNT OF <br />SC <br />CLAYEY SANDS, SAND CLAY <br />NO, 4 SIEVE <br />FINES) <br />MIXTURES <br />INORGANIC SILTS AND VERY FINE <br />mmz <br />ML <br />SANDS, ROCK FLOUR, SILTY OR <br />CLAYEY FINE SANDS OR CLAYEY <br />SILTS WITH SLIGHT PLASTICITY <br />INORGANIC CLAYS OF LOW TO <br />FINE <br />SILTS LIQUID LIMIT <br />CL <br />MEDIUM PLASTICITY, GRAVELLY <br />GRAINED <br />AND I cRc THAN �n <br />SANDY S, SILTY <br />SOILS <br />CLAYS <br />CLAYS, LEAN OLAYSCLAYS, <br />ORGANIC SILTS AND ORGANIC <br />7 <br />OL <br />SILTY CLAYS OF LOW PLASTICITY <br />MM <br />INORGANIC SILTS, MICACEOUS OR <br />DIATOMACEOUS FINE SAND OR <br />MORE THAN <br />SILTY SOILS <br />50°% OF <br />MATERIAL <br />SILTS LIQUID LIMIT <br />CH <br />INORGANIC CLAYS OF HIGH <br />IS �K-1 I �$. <br />AND GREATER THAN <br />PLASTICITY, FAT CLAYS <br />THAN NO. <br />CLAYS 50 <br />200 SIEVE <br />, <br />��+� �'r+° err <br />SIZE <br />OH <br />ORGANIC CLAYS OF MEDIUM TO <br />HIGH PLASTICITY, ORGANIC SILTS <br />PEAT, HUMUS, SWAMP SOILS WITH <br />HIGHLY ORGANIC SOILS <br />PT <br />HIGH ORGANIC CONTENTS <br />NOTE; DUAL SYMBOLS ARE USED TO INDICATE BORDERLINE SOIL CLASSIFICATIONS <br />UNIFIED SOIL CLASSIFICATION SYSTEM <br />NorCal Engineering <br />f ISSUANCE <br />