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• <br />GRAPHIC LOG SYMBOLS <br />f~ cuss~nurptl srtwoL <br /> ° .°. <br />. e e. <br />GW ° . e p• <br />.e'p' <br />. <br /> b o.o <br /> <br /> <br />GP 0 0 <br />oa o <br /> ° eee <br /> p oo e <br />GM <br /> c., P'p~ . <br />4 <br />GC o.d <br /> <br />SP I. . <br />SM <br />DENSITY AND CONSISTENCY <br />BASED ON <br />STANDARD PENETRATION TESTS <br />SYANDARD PENETRATION RESISTANCE IS THE NUMBER <br />OF BLOWS REQUIRED TO DRIVE 4 STANDARD 2 INCH <br />O.D. SPLIT BARREL SAYPLER 12 INCHES USING A 140 <br />POUND HAMMER FALLING FREELY THROUGH 30 INCHES. <br />THE SAMPLER IS DRIVEN IB INCHES AND THE NUMBER <br />OF BLOWS IS RECORDED FOR EACH 6 INCH INTERVAL. <br />THE NUMBER OF BLOWS REQUIRED TO INCREASE <br />PENETRATION FROM 6 TO IB INCHES CONSTITUTES THE <br />STANDARD PENETRATION RESISTANCE (N), <br />DENSITY OF GRANULAR SOILS CONSISTENCY OF COHESIVE SOILS <br />[ra1[LT 11[U l[L[I Ilurh[[ UI111[LIYL[I <br />DESIGNATION BLOWS PER FOpT CONSISTENCY BLOWS PER FOOT <br />VERY LOOSE 0-4 V RY SOFT 0-2 <br />LOOSE 4 -10 SOFT 2 ~ 4 <br />MEDIUM DENSE 10-30 MEDIUM STIFF 4-8 <br />DENSE 30-SO STIFF 8-IS <br />VERY DENSE OVER SO VERY STIFF 15-30 <br /> HARD OVER 30 <br />~.~/i. <br />• <br /> <br /> DESCRIPTIVE TERMS <br />ML j <br /> GRANULAR PORTION <br /> <br />CL .. '. <br />~'~' <br />0"/0-15% TRACE <br /> ', ~i , 1 5°)ro- 30% SOME <br /> <br /> i09'o- 50% USE SUBJECT MATERI4L AS MODIFIER <br /> <br />OL <br /> ' <br /> iRAIlED PORTION <br />FlNE~ <br />MH 0%" 5% TRACE <br /> 5%' 129'0 SOME <br /> <br /> i~ • 129'0- 50% USE SUBJECT MATERIAL 4S MODIFIER <br /> <br />CH i <br />~~i; <br /> i~~ <br /> ~ <br />SAMPLING SYMBOLS <br /> <br /> ___ SOIL SAMPLING CORE RUN <br />ON <br />P1 <br />~-STANDARD PENETRATION TEST <br />L ~ ~. ~ ®-"UNDISTURBED" SAMPLE USING <br />~f vr+le cat[ ut[D THIN-WALLED SAMPLER- <br />roe La[a~aroer <br />r[sr clasariurror ("SHELBY TUBE"). <br />Lorca usa utm roe <br />V~tu1l CL•t11 rIUTi011 ~"UNDISTURBED' SAMPLE USING <br />OTHER SAMPLER <br />® BAG OR BULK SAMPLE <br />FROM 4UGER <br />KEY TO LOGS OF BORINGS <br />PERCENT CORE RECOVERY <br />f RQD (ROCK QUALITY <br />B5 DESIGNATION-PERCENTAGE <br />67 - OF CORE RECOVERED IN <br />LENGTHS GREATER THAN <br />FOUR INCHESI. <br />T <br />I PACKER TEST SECTION <br />I <br />1 <br />~ 52 -MEASURED PERMEABILITY <br />I IIN FEET/YEAR,UNLESS <br />1 NOTED OTHERWISE). <br />GEO-HYDRO CONSULTIHG,IHC. <br />PLATE A-~ <br />