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WATERWORK <br /> �1ETHCD OF SOIL CLASSIFICATION <br /> MAJOF2 DIVISIONS SYMBOLS <br /> TYPICAL NAMtS <br /> CLW WELL GRADEp GRAVELS CR GFAVEL-SAND MIXTURES, LITTLE OR NEI FINES <br /> N <br /> GRAVELS_ G POORLY GRADED GRAVELS GR OR <br /> AVEL-SAN➢ MIXTURES,LITTLE RZ ?1Q ONES <br /> t]ld rr S]LTY CX AV CLS, GRAVEL-SAND-SILT MIXTURES <br /> N" ODIC INA N 1I[IF C <br /> p n CONtSC FA.Y[m"> o <br /> 111 <br /> W.4 SIEVE 31!17 GC n CLAYEY GRAVELS. GpAVEL-SAND-CLAY MIXTURES <br /> p SW WELL GRADED SANDS OR GRAVELY SANDS, LITTLE 6R NO fLHES <br /> LJ . <br /> Li j s $p pp6RLY GRADED SANDS OR GRAVELY SANDS. LITTLE DR NO fI <br /> WS <br /> lY <br /> f�I/e OF <br /> E3 f� �ctm SM <br /> SILTY SANDS. 5AN6-SILT MIXTURES <br /> 4 NR 4 33cvz:=217 SL CLAYCY iA1105, SAM-CLAY MSXIURES <br /> INORGANIC SILTS Alit' VCRY FINE SJAM+DS. <br /> POCK FLOVCR, SILTY OR CLAYEY <br /> VLTH SL1tiNT pLAS7SCITY <br /> ML I RNC SANDS OR CLAYEY SILTS <br /> -1{t SILTS I CLAYS ' INORGAN=C CLAYS Or LOV TO KEDIIM PIAIT IC[TY.CaAVELY CLAYS, <br /> O p CL SANDY CLAYS, SILTY CLAYS,;,EAN [PAYS <br /> a LLC50 CLAYS o> LOW PLASTICITY <br /> ��� GNCANIC SILTS AND ORGANIC MTY <br /> r�a CSL SILTY <br /> Z INORGANIC SILTS.MICACEOUS OR DIATOKALEGOt15 FINE$AMNY OF <br /> Q MH SOILS, ELASTIC SILTS <br /> CK <br /> ul a SILTS & CLAYS INORGANIC CLAYS OF H1I3� PLA5T1C1TY, FAT CLAYS <br /> > CH <br /> W PLASTICITY,pRGAll1C SILTY CLAYS <br /> .�.. LL>50 moi% ORGANIC CLAYS is MsET1SUM TO 417tH <br /> [1H 6RGANIC SILTS <br /> Pt PEAT AND OTHER HIGHLY LRGAbaC SOILS <br /> HIGILY ORGANIC. SOILS <br /> CLASSIFICATION CHART <br /> UNIFIED SOIL CLASSIFICATION SYSTEM <br /> SANDS AND GRAVELS BLOWS/FOOT <br /> RANGE ❑F GRAING�AINESI� <br /> CLASSIFICATION uS.VE SHARP IN MILLIMETERS VERY LOOSE 0 - 4 <br /> SAVE S17L 4 - LC <br /> AMVE 13' LOOSE <br /> Be3ULDERS ABOVE L2 17 - �J <br /> MEDIUM LEIiSF_ <br /> 705 7[1 76.2 IlENSC �-`SD <br /> COBBLES la' TO 3' OVER 50 <br /> VERY DENSE <br /> GRA4EL3`TO NO. 4 762 10 93 <br /> CDARSE a' 16 1/4 RELATIVE DENSITY <br /> FINE <br /> 0/4'TO H0. 4 L9.1 TO 4.76 <br /> S�ANO- NO.4 TO NO, 200 0760 r0074 <br /> ,,,.I$ AND CLAYS g1:IWS/FO17T <br /> }IO.4 TO HD. LD 4.760 TO 2.OD0 VERY SOFT <br /> CTSARSE M SO TO NO. 40 2460 TO 0.420 2 4 <br /> mEMIUM ME. 40 TO NE. 200 06420 TO 0674 SQ-T <br /> FINE HEDIW STIFF 4-t3 <br /> ST[FF 8 - t6 <br /> 7"v NO. 200 BELOW 0474 16 - 9 <br /> SILT 8 CLAY VERY STIFF <br /> GRAIN SIZE C}-{ART <br /> NARD OVER 72 <br /> R FALLING 70 1M1RiES TO DRIVE A <br /> CONSISTENCY <br /> Or BLOWS OF 140 POUND HAS <A$TM 6-1-366). <br /> 2 INCH OD. t1-3/8 INfl1 183 SPLIT SAOON PAGE Cly <br />