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f <br /> UNWIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR cROaP DES[RIPFtDHml'nI GROUP mcRIPTION <br /> DIVSSIDM SYMeOL 0Zvi 5I 11 3vmHot, <br /> GY yell-gtade4 gravels or Qravel sand NL ]no[Qantc silts and very tine <br /> GIAYCL statures, little ar no fines. SILTS sands, rout flour. silty or <br /> clayey floe s4n4s ar clayey silts <br /> AND GP Poorly-graded Qrivals or gravel AND eith slight plasticity <br /> sand xi tires, little Cr no fs0ea. <br /> GRAVELLY CLAYS CL Inarganic slays of lav to medium <br /> GM Silty Travels, v,ave[-sand-alit plasti4ity gtAvelly Clays, sandy <br /> SOILS I ass tsar ea, L4150 clay', silty clays, lean clays, <br /> I COARSE CC Clayey Qr4V412, gravel-sand-clay TIME OL Organta silts and organic atlt- <br /> `!L at�t urea, clays of lov plasticity <br /> ORAlNED GRAINED <br /> SN Ne 11-graded sands or gravelly MH InerQam[r silts. aicaaeaua or <br /> SOILS SANK sands, little or no fines. SOILS SILTS dla[oaaceous fine sandy of silty <br /> so11a, ries tic silts. <br /> AND SP Poorly-graded rands or gravelly AMD <br /> sand, little or no fires. CH lnargamic clays of high plasticity, <br /> .., SANDY CLAYS tat clays. <br /> SOILS SH Silty sands, sand-Silt atxtures. LLYSO4H Organic clays It medium to high <br /> PI.. <br /> tie(ty, organ le silts - <br /> SC Clayey sands, sand-clay mixtures. RIGMLY Pt Peat and other highly argantc <br /> ORGANIC SOILS "IIs <br /> STANDARD PENETRATION SPLIT SPOON SAMPLE <br /> mSHELBY TUBE SAMPLE <br /> fMODIFIED PORTER. SAMPLE I2.5-in. I.D.1 <br /> J MODIFIED CALIFORNIA SAl1PLE {2.0-in. I.D.} <br /> I = WATER LEVEL OBSERVED IN BORING <br /> NR NO RECOVERY <br /> N FWE NO FREE WATER ENCOUNTERED <br /> Pp POCXZT PENETROMETER (field) <br /> NOTE: THE LINES SEPARATING STRATA ON THE LOOS REPRESENT APPROXIMATE BOUNDARIES <br /> ONLY. THE ACTUAL TRANSITION MY BE GRADUAL. NO WARRANTY IS P&OVIDED AS TO <br /> THE CONTINUITY OF SOIL STRATA BETVEEN BORINGS. LOGS REPFESENT TFE SOIL <br /> SECTION OBSERVED AT THE BORING LOCATION ON THE DATE OF DRILLING ONLY, - <br /> ROEK BROTHERS PROPERTY BORING LOG LEGEND <br /> BALBI & CHANG ASSOCIATES PROJECT NO. 17054 DATE 4/21/89 <br /> Geotechnical Consultants /Matertatts Testing PREPARED By DA PLATE B_1 <br />