HomeMy WebLinkAbout20151208 Ver 1_Div7_GEO_BRDG0060_Summit_RevInventory_20151118STATE OF 1�ORTH CAROLII�A
DEPARTMENT OF TRANSPORTATION
DIVISI0111 OF HIGHWAYS
GEOTECH11lICAL ENG711lEERI11tG UNIT
STR UCTURE
SUBSURFACE I11tVESTIGATI01�1
PROJ. REFERENCE NOe 17BP.7.R.63
C O U N T Y ORAIIIGE
F.Ae PROJe �a
PROJECT DESCRIPTION Brid,�e No. 60 on SR 1002 (St. Mary's Rd.) over
Creek
CONTE11lTS
SHEET DESCRIP�ION
I TITLE SHEET
2, 2A LEGEND
3 SITE PLAN
4-5 CROSS SECTIONS
6-i2 BORING LOGS
PERSONNEL
B. Smith
J. Bare
J. Genrry
C. Husketh
L. Gonzalez—Castillo
J. Terry
INVESTIGATED 8Y B. WORLEY, P.G.
CHECKED BY D. DEWEY, P.E.
$UBMITTED BY Summit Design and Engineering Services, PLLC
DATE JUI�IE, 2014
CA UTION NOTICE
THE $1185URFACE MFORMATION ANO THE SlIB5l1RFACE INVESTIGATION ON WHICH li IS BRSED WERE M<OE GOR THE PUftPOSE OF PREPARiNG THE $COPE OF MOftK TO BE INCLUDED IN THE REOUEST FOR PROPOSAL.
TME VARIOl15 FIELD BORING LOGS. ROCK CORES. ANO SOa TEST �aTe aVa1L00LE MAT BE REVIEMEO OR INSPECTEO IN RALEIGH BY CONTRCTING THE N.C.DEPRRTMENT OF TRANSPORTATION,
GEOTECHNICAL ENGINEERING UNIT AT f9191'/0�-6850. iHE SL18St1RFeCE PLeNS �NO REPORTS.FIELD BORING LOGS. ROCK CORES, AND SOIL TEST DAT1 ARE NOT PpqT OF THE CONTRACT.
SOIL RND ROC1t BOl1NDAflIES WITHIN A BOREHOLE ARE BGSE� ON GEOiECHNICRL MTERPRETATION UNLESS ENCOIINTERED IN A S�MPLE. INTERPRE�ED BOl1N0aRIE5 MAY NOT NECESS�RILY REFLECT ACiWL SUBSURiACE
[ONOIilONS BETIPEEN SANPLEO STRAip, ANO BOIiEHOLE INFORNATION MAr NOT NECESSARILY REFLECT RCTI1pL SUBSURFACE LONOITIONS BETwEEN BORINCS. THE L�BORATORY SANPLE ORT� pN0 THE IN S�TU (IN-PLAGEI
TE51 OATA CAN BE RELIEU ON ONLY TO THE OEG0.EE OF RELIRBItIix INHERENT IN THE STINDARD TEST METHOD. THE OBSERVEO MAiER LEVELS OR SOIL MOISTURE CONDITIONS IN�ICpTEO IN TME $UBSURFACE
INVESTIGAilONS 1qE AS RECORDEO dT TME TIME OF THE �NVESTILRTION. THESE IIeTER LEVELS OR SOIL MOISTURE CON�ITIONS NaY VaRY CONSiDERABLY NITH TMIE ACCORDING TO CLIMRiI� CONDITIONS INLLUDING
TENPER1iI1RE5, PRECIPITATIDN.INO MIND. 1S WELL AS OTNER NON-CLIMdTIC fACTORS.
THE DEPARTMENT OOES NOT WRRRANT OR GUARRNiEE THE SIIFFICIENCY OR ACCIIRACY OF THE INVESTI�pT10N MAOE, OR OPINION OF THE DEPARTMENT qS TO THE TYPE OF MATERIALS AND CONDITIONS i0 BE
ENCOUNTERED. THE BIDOER OR CONiRRCTOR IS CAl1T10NE� TO NAY,E SIICH INDEPENOENT SUBSURFnCE iNVESTiGnTiONS AS HE OEEMS NECESSARr TO SATISFY HIMSELF AS TO CONDITIONS TO 8E ENCOIINTEREO ON
THE PROJECT. THE LONTRACTOR $MRLL HAVE NO CLRIM FOR AD�ITIONAL CONPENSATION OR Fpq pN E%TENSION OF TIME FOR RNY REASON RESl1LTING FROM THE ACTUAL CONDRION$ ENCOl1NTERED AT THE SIiE
�iFFERING FROM 1HOSE INOICRTEO IN THE SLIBSIIRfACE INFORN�iION.
NOTE - THE MFORMATION CONTAINED HEREIN IS NOT IMPLIED OR Gl1ARANTEED BY THE N. C. DEPARTMENT
OF TRANSPORTATION AS BEING ACCl1RATE NOR IT IS CONSIDERED TO BE PART OF THE PLANS.
SPECIFICATIONS, OR CONTRACT FOR THE PROJECT.
NOTE - BV HAVING REOl1E5TED THIS INFORMATION THE CONTRACTOR SPECIFICALLY WAIVES ANY CLAIMS
FOR INCREASED COMPENSATION OR EXTENS�ON OF �IA1E BASED ON DIFFERENCES BETWEEN 7NE
COND�TIONS INOICATEO HEREIN AND THE ACTUAL CONDITIONS AT THE PROJECT SITE.
DRAWN BY• B. Worley, P.G. and M. Brandon, PLS
PROJECT REFERENCE N0. SHEET N0.
17BP.7.R.63 2
N�RTH CAR�LINA DEPAR'Il°M]ENT �F TRANSF�R'd°t�TI�N
I)IVISI�N �F I-IIGHW.�YS
GE�TEC�-INICAL ENGINEERING UNIT
S�I]L .�NII9 d��C� L�G]ENII9, 'i°EffBN�S, S�N�1��]LS, .�NII� .�]��R�VI.�1°��NS
SOIL DESCRIPTION GRADATION
WELL GRPOEO - INOICPTES R GD00 REPRESENTPTION OF PaRTICLE SIZES FROM FINE TO COARSE.
SOIL IS LONSIDERED TO BE THE UNLONSOLIOATED. SEMI-LONSOLIDATED.OR WEATHERED EPRiH MATERIALS UNIFORM - INDICaTES THAT SOIL PaRTILLES ARE ALL APPROXIMaTELY THE SPME SIZE.(ALSO
THAT CAN BE PENETRATED WITH A CONTINUOUS FLIGHT POWER aUGER,ANO YIEID LESS THAN POORLY GRaDED)
100 BLOWS PEF7 FOOT ACCORDING 10 S1'ANOARD PENETRPTION TEST IPlSHiO T206,ASTM D-15861. SOIL GaP-GRa0E0 - INOICaTES a MIXTURE OF UNIFORM PlaRTICLES OF TWO OR MORE SIZES.
CLla55IFICATION IS Bla5E0 ON iHE AASHTO SYSTEM. BASIC OESCRIPiI0N5 GENERALLY SHALL INCLUOE: ANGULARITY OF GRAINS
CONSISTENCY,COLOR,TE%TURE,MOISiURE,aaSHTO CLaSSIFICaT10N,aN0 OTHER PERi1NENT FaCiOfiS SUCH
AS MINERlaLOGILfaL LOMPOSITION.[+NGULARITY,STRUCTURE.PLASTILITY.ETL.EXAMPLE: THE faNGULARITY OR ROUNDNESS OF SOIL GRa1N5 I$ OESIGNATEO B� 1HE TERM$ aNGUL1R,
VEM S71FF,GRAY,SILiY CIOY,IpISi WRH INlEFBEOLLD FIHE SA4D LAYERS,HIGHLY PVSiIC.A-7-6 SUBlaNGULAR, SUBROUNOEO. OR ROUNDED.
SOIL LEGEND AND AASHTO CLASSIFICATION MINERALOGICAL COMPOSITION
GENERAL GRANULAR MATERIALS SILT-C�AY MliER�ALS M�NERRL NPME$ $UCH !a$ OUARTZ,FELDSPAR,MICA.iqLC.KAOLIN,ETC.lRE USEO IN DESCRIPTION$
L�ASS. 1 5 35'/. PASSWG °200) �> 35% PaS51NG °2061 ORGANIC MaTERIALS WHENEVEti THEY ARE LONSIDEREO OF SIGNIFICANCE.
GROUP Q-� Q-3 A-2 f+-4 A-5 A-6 a-7 q-��p_z A-4,a-5 COMPRESSIBILITY
CLASS. p-�-a la-1-b A-2-4 p-2-5 A-2-6 A-2- Q'3 Q-6•A-� SLIGHTI,Y COMPRESSIBLE LIOUID LIMIT LESS THlaN 31
SYMBOL MO�ERATELY COMPRESSIBLE LIOUID LIMIT EOUAL TO 31-50
000 0 .....:::..:::::.�. . ,.
000 ..... ....:. ,., .`,� :.
oao ..... ':"`•� :•°�: ; � ��.`,�� HIGHLY COMPRESStBLE
000 ••••• ""`•• •::":•• •n LIOUID LIMIT GREaTER THAN 50
000 :...:. ...`......:.. .. . . .
% PASSING PERCENTAGE OF MATERIAL
50 M% GRPNULAR SILT-
� 10 C�av MuCK. ORGANIC MATERIAL GRaNULaR 51�7 - C�av OTHER MATERIAL
° 40 39 Mx 50 Mx 51 MN SOILS SOILS PEAT SOILS SOILS
` 200 15 Mx 25 M% 10 Mz 35 Mx 35 Mx 35 MX 35 MX 36 MN 36 MN 36 MN 76 MN TRRCE OF ORGANIC MATTEfl 2- 3% 3- 5% TRlaCE 1- 10%
LfiTLE ORGANIC MATTER 3- 5% 5- 12% LITTLE 10 - 20%
LIOUIO LIMIi 4B MX dl MN 46 M% al MN 40 M% al MN 40 M% 41 MN $OILS WITH MODERaTELV ORGaNIC 5- 16% 12 - 20% SOME 20 - 35%
PLASiIL INOE% 6 MX NP �0 M% 10 M% II MN II MN 19 M% 10 MX 11 MN II MN LITTLE OR HIGHLY HIGH�Y ORGFINIC )10% >20% H�GHLY 35% AND RBOVE
GROUP INDEX B 0 B 4 Mx e MX 12 M% 16 Mx No Mx MODERRTE ORGANIC GROUND WATER
aMOUNTS OF SOILS
USUaL iYPES SiONE FFAGS. FINE SILTY OR CLlaYEY SILTY CLlaYEY OFGRNIC � WATER LEVEL IN BORE HOIE IMMEDIATELY AFTER DRILLING
OF Ml+JOR GRAVEL,RNO MAiTER
MaiERIRLS SANO SANO GRAVEL AND SANO SOILS SOILS � STATIL WATER LEVEL AFTER 24 HOURS
GEN.17aiING p
AS A EXCELLENT TO G000 FAIR TO POOR FaiR TO p00R UNSUITHBLE � PERCHED WATER,SaTURaTED ZONE,OR WATER BEaRING STRaTA
SUBGRaOE POOR (� ����
PI OF A-7-5 SUBGROUP IS < LL - 30 ;PI OF A-7-6 SUBGROUP IS > LL - 30 �J UU — SPRING OR SEEP
CONSISTENCY OR DENSENESS MISCELLANEOUS SYMBOLS
RANGE OF STANOAR� RANGE OF UNCONFINED sr* TEST BORING
COMPlaCTNE$S OR � ROADWf+Y EMBANKMENT fREI
PRIMlaRY SOIL TYPE PENETRATION RESISTENCE COMPRESSIVE STRENGTH � onroM* TEST BORING
LONSISTENCY L W/ CORE
(N-VPLUE) �TONS/FTZ 1 � W17'H SOIL DESCRIPT�ON vs* �M*
VERV LOOSE �q � AUGER BORING �
SPT N-VAIUE
GENERALLY LOOSE q T� 10 � SOIL $YMBOL
GRRNULlaR MEDIUM OENSE N�Q REF SPT REFUSAL
10 TO 30 qRTIF[LIF1L FILL (AFI OTHER
MATERIAL pENSE CORE BORING
(NON-COHESIVEI 30 TO 59 THFaN ROAOWFtY EMBPNKMENT
VERV DENSE >50
VERY SOFT <z �� INFERREO SOIL BOUNDlaRY MMO MONITORING WELL
<0.25
GENERALLY SOFT 2 TO 4 0.25 TO 0.50 �=TJJ� INFERRED ROCK LINE Q P�EZOMETER
SILT-CLlaY MEDIUM STIFF 4 TO 8 0.5 TO 1.6 INSTfaLLlaTION
MATERIlaL STIFF 8 TO 15 ] TO 2 *. s�r* ALLUVIAL SOIL BOUNOf+RY O SLOPE INDILATOR
(COHESIVE) VERY STIFF l5 70 30 z Tp q
HfaRD >30 )q 25/025 INSTALLATION
OIP & DIP DIRECTION OF
TEXTURE OR GRAIN SIZE I--/ ROLK STRULTURES � CONE PENETROMETER TEST
U.S.STO.SIEVE SIZE 4 10 40 60 200 270 • SOUNOING ROD
OPENING tMMI 4.76 2.90 0.42 0.25 0.075 0.053
ABBREVIATIONS
BOULOER COBBLE GRlaVEL C�qNDE S NO SILT CLAY AR - faUGER REFUSAL MED.- MEOIUM VST - VlaNE SHElaR TEST
(BLDR.1 (COBJ (GR.) (CSE. S0.) cF S0.) �SL.) (CLJ 8T - BORING TERMMA7E0 MICA. - MICACEOUS WEA. - WEATHERED
CL.- CLAY MOD.- MODERPTELY 7'- UNIT WEIGHT
GRAIN MM 305 75 2.9 9.25 0.95 9.005 CPT - CONE PENETRPTtON TES7 NP - NON PLASTIC 7a- ORY UNIT WEIGHT
SIZE IN. 12 3 CSE.- COARSE ORG.- ORGANIC
SOIL MOISTURE - CORRELATION OF TERMS DMT - DILATOMETER TEST PMT - PRESSUREMEI'ER TEST SqMPLE /+BBREVIA710NS
SOIL MOISTURE SCALE FIELO MOISTURE OPT - OYNfaMIC PENETRATION TEST SAP.- SAPROLITIC 5- BULK
IaTTERBERG LIMITS) DESCR[PTION GUIOE FOR FIELD MOISTURE DESCRIPTION e- VOIO RPTIO S0.- SANO,SANOY SS - SPLIT SPOON
F- FINE SL.- SIIT,SILTV ST - SHEIBV TUBE
- SATURATEO - USUlaLLY LIOUID;VERY WET.USUALLY FOSS.- FOSSILIFEROUS SL1.- SLIGHTLY RS - ROCK
(SAT.1 FROM BELOW THE GROUND WATER TfaBLE FRfaC.- FRRCTUREO,FRlaCTURES TCR - TRICONE REFUSAL RT - RECOMPlaCTEO TRIAXIlaL
LL LIOUID LIMIT fRlaGS.- FRAGMENT$ u�- MOISTURE CONTENT CBR - Cf+LIFORNIA BEFaR�NG
PLlaSTIC � H1.- HIGHLY V- VERY RlaT�O
RANGE _ WET � �W� SEMISOIID:REOUIRES DRYING TO
�P�� PL ATTAIN OPTIMUM MOISTURE EOUIPMENT USED ON SUBJECT PROJECT
PLASTIC LIMIT AOVlaNCING TOOLS: HAMMER TYPE:
ORILL UNITS:
OM OPTIMUM MOISTURE - MOIST -(MI SOLID:AT OR NEAR OPTIMUM Mp�STURE � AUTOMfaTIC � MRNURI
SL $HRINKAGE LIMIT ❑ MOBILE B- ❑ �LlaY 81T5
REOUIRES la00ITI0NAL WATER TO ❑ 6'CONTINUOUS FLIGHT laUGER CORE SIZE:
- ORY - lD) p77q�N OPTIMUM MOISTURE ❑ BK"5t �X 8'HOLLOW RUGERS �-g
PLASTICITY � CME-45C ❑ HARO FACED PWGER BITS �_N_
PLASTICITY INOEX (P11 DRY STRENGTH
TUNG.-CARBIOE INSERTS ❑ _H
NONPLASTIC 0-5 VERY LOW � LME-550
LOW PLASTICITY 6-15 SLIGHT ❑x CASING ❑x W/ AOVfaNCER HANO TOOLS:
MEO.PLlaSTICITY 16-25 MEDIUM � pORTqBLE HOIS7 � TRICONE 'STEEL TEETH � POST HOLE OIGGER
HIGH PLlaSTICITY 26 OR MORE HIGH
COLOR � Diedrich D-50 O TRICONE z 15�6 'TUNG.-CaRB. ❑ HANO AUGER
❑ CORE BIT ❑x SOUNDING ROD
DESLRIPTIONS MAY INLlUOE COLOR OR COLOR COM8INATIONS (TAN.REO.YELLOW-BROWN.BLUE-GRAY). ❑ � yqNE SHEFaR TEST
MOOIFIERS SUCH AS LIGHT,OARK,STREAKED.ETC.laRE USEO TO OESCRIBE APPEARfaNCE. � ❑
REViSED 09/23/09
PROJECT REFERENCE N0. SHEET N0.
17BP.7.R.63 2A
N�RT�-I CAR�LINA ID]EPARTM�NT �F TRANSPORTA°Il°I�N
IDIVISI�N �� HIGHWAYS
GE�TEC�INIC.�L ENGINE�RING UNI°lI°
S�g]L AN� Ig�CI� ]LEG]EN�, 'JC]EI$I+�S, ��N���]LS, �N� �1�1��8EVIA'1[°I�N�
ROCK DESCRIPTION TERMS AND DEFINITIONS
HfaRO ROCK IS NON-COlaSTlaL PLAIN MATERIAL THAT IF TESTEO.WOULO YIELO SPT REFUSAL.FlN INFERRED qLLUViUM (ALLUV.)- SOILS THAT HAVE BEEN TRANSPORTED 8Y WlaTER.
ROCK LINE INOIClaTES THE LEVEL !aT WHICH NON-COlaST/aL PLAIN MlaTERIAL WOULD YIELO SPT REFUSAL.
SPT REFUSAL IS PENETRATION BY A SPLIT SPOON SAMPLER EOUAL TO OR LESS THAN 0.iF00T PER 60 BLOWS. AOUIFER - A WATER BEARING FORMATION OR STRlaTA.
IN NON�CO/aSTaL PLAIN MATEPIAL. THE TRaNSITION BETWEEN SOIL AND ROCK IS OFTEN REPRESENTED BY A ZONE AREN/aCEOUS - lPPLIED TO ROCKS THAT HAVE BEEN OERIVED FPOM SAND OR THaT CONTaIN SaND.
OF wEATHERED ROCK.
ROCK MATERIlaLS laRE TYPIClaLLY �IVIOEO AS FOLLOWS: ARGILLaCEOUS - aPPLtEO TO aLL ROCKS OR SUBSTaNCES COMPOSED OF CLaY MINERaLS,
WEATHERE� NON-CDASTlaL PLAIN MlaTEFIAL THlaT WDULO YIELD SPT N V/aLUES > 100 OR H/aVING /a NOT/aBLE PROPORTION OF CLlaY IN THEIR COMPOSITION,/aS SHlaLE,SLlTE,ETC.
ROCK (WR) - BLOWS PER FOOT IF TESTEO. aRTESIaN - GROUNO WATER THAT IS UNOER SUFFICIENT PRESSURE TO RISE la80VE THE LEVEL
i. i FINE TO COARSE GRPIN IGNEOU$ AND MEIAMORPHIC ROCK THaT QT MHICH IT IS ENCOUNTERED,BUT WHICH DOES NOT NECESSaRILY RISE TO OR a80VE THE
CRYSTl1LLINE WOULO YIELD SPT REFUSlaL IF TESTED. ROCK TYPE INCLUDES GRANITE. GROUNO SURFaCE.
ROLK ILRI �� i�� i GNEISS, GlaBBRO, SCHIST, ETC. CALLAREOUS ILALC.1 - SOILS THfaT CONTAIN faPPRECIABLE AMOUNTS OF CALCIUM CfaRBONATE.
F�NE TO COARSE GRaIN METAMORPHIC ANO NON-COASTaL PLAIN
NON-LRYSTALLINE — -- SEOIMENTlaRY ROCK THAT WOUL� YEILO SPT REFUSlaL IF TESTED. ROCK TYPE COLLUVIUM - ROCK fRaGMENTS MIXED WITH SOIL DEPOSITED BY GRaVITY ON $LOPE OR aT BOTTOM
ROCK INCRI — WCWOES PHYLLITE,SLATE,SANDSTONE,ETC. OF SIOPE.
COASTAL PLAIN COASTAL PLaIN SE�IMENTS CEMENTEO INTO ROCK,BUT MAY NOT YIELD LONE RELOVERY (REC.)- 70TAL LENGTH OF ALL MATERIl+L RECOVEFEO IN THE CORE 8laRREL DIVIOEO BY TOTAL
SEOIMENTARY ROCK SPT REFUSlaL. ROCK TYPE INCLUDES LIMESTONE.Sl+NOSTONE.CEMENTED LENGTH OF CORE Rl1N aN� EXPRESSEO AS A PERCENTAGE.
(CP) SHELI BEOS. ETC.
WEATHERING OIKE - A TABULAR BOOY OF IGNEOUS ROCK THAT CUTS ACROSS THE STRULTURE OF AOJACENT
ROCKS OR CUTS MfaSSIVE ROCK.
FRESH ROLK FRESH,CRYSTALS BRIGHT,FEW JOMTS MAY SHOW SLIGHT STPINING.ROLK RINGS UNOER DIP - THE laNGLE !aT WHILH P STRATUM OR ANY PLRNAR FElaTURE IS INLLINEO FROM THE
HAMMER IF LRYSTALLINE. HORIZONTAL.
VERY SLIGHT ROLK GENERlaLIY FRESH,JOINTS STlaINED.SOME JOINTS MAY SHOW THIN CLF+Y LOFlTINGS IF OPEN. OIP OIRELTION IDIP AZIMUTH)- THE OIREL7ION OR BEfaRING OF 7HE HORIZONTAL TRALE OF
IV $LIJ LRYSTfaLS ON !a BROKEN SPECIMEN FlaCE SHINE BRIGHTLY. ROCK RINGS UNDER HAMMER BLOWS IF THE LINE OF D1P.MEASUREO LLOLKWISE FROM NORTH.
OF A LRYSTALLINE NATURE.
FlaULT -!a FRACTURE OR FRACTURE ZONE ALONG WHICH THERE HAS BEEN �ISPLACEMENT OF THE
$LIGHT ROCK GENERlaLLY FRESH,JOINTS STla1NE0 laND DISCOLORlaTION E%TENDS INTO ROCK UP TO SI�ES RELATIVE TO ONE ANOTHER PARALLEL TO THE FRACTURE.
fSLIJ I INCH. OPEN JOWTS MaY CONTaIN CLAY. IN GRaNIT0f0 ROCKS SOME OCCaS10NaL FELOSPaR
CRYSTALS aRE DULL aND OISCOLORED. CRYSTaLLINE ROCKS RING UNOER HaMMER BLOWS. FISSILE - A PROPERTY OF SPLITTING ALONG CLOSELY SPALED PfaRfaLLEL PLlaNES.
MODERRTE SIGNIFILfaNT PORTIONS OF ROCK SHOW DISLOLORPTION laND WEATHERING EFFELTS. ]N FLOAT - ROCK FRlaGMENTS ON SURFlaCE NEAR THEIR ORIG�NAL POSITION AND OISLOOGEO FROM
(MODJ GRANIT010 ROLKS.MOST FELOSPARS ARE OULL faND DISCOLOREO.SOME SHOW LLfaY. ROLK HAS PlaRENT MATEPIAL.
DULL SOUNO UNDER HlaMMEfl BLOWS ANO SHOWS SIGNIFILANT LOSS OF STRENGTH AS LOMPAREO
WITH FRESH ROCK. FL000 PLAIN IFP)- LfaND 80ROERING A STREAM,BUILT OF SEDIMENTS OEPOSITEO BY
THE STREAM.
MOOERATELY ALL ROCK EXCEPT OUARTZ OISCOLORED OR STAINEO. IN GRANIT010 ROCKS.ALL FELDSPARS OULL
SEVERE ANO OISCOLORED ANO !a MAJORITY SHOW KAOLINIZaTION. ROCK SHOWS SEVERE LOSS OF STRENGTH FORMATION cFM.I- A MlaPPfaBLE GEOLOGIC UNIT THAT ClaN BE RECOGNIZEO ANO TRfaCEO IN
IMOO.SEVJ ANO CAN BE ExCAVATEO WIiH A GEOLOGIST'S PICK. ROCK GIVES 'CLUNK'SOUNO WHEN STPUCK. THE FIEL�.
lF TESTED.WOUlO Y/ELO SPT REFUSAL JOINT - FRlaCTURE 1N ROCK laLONG WHILH NO APPRECIABLE MOVEMENT HAS OLLURREO.
SEVERE ALL ROCK E%CEPT OUARTZ OISCOLORED OR STAINEO.ROCK FI+BRIC CLEAR PND EVIOENT 8UT REOUCEO LEOGE - A SHELF-LIKE RIOGE OR PROJECTION OF ROCK WHOSE THICKNESS IS SMALL COMPARED TO
ISEV.7 IN STRENGTH TO STRONG SOIL. IN GPANIT010 ROCKS ALL FELOSPlaRS ARE KPOLINIZED TO SOME �7S LATER/aL E%TENT.
EXTENT. SOME FRAGMENTS OF STRONG ROCK USUALLY REMla1N.
IF TESiED.YIELOS SPT N VRLUES > i00 BPF LENS - A 800Y OF SOIL OR ROCK THAT THINS OUT IN ONE OR MORE �IRECTIONS.
VERY SEVERE ALL ROCK E%CEPT OU/aRTZ DISCOLOREO OR STlaINEO. ROCK FfaBRIC ELEMENTS laRE DISCERNIBLE 8UT MOTTLEO (MOTJ- �RREGt1LARLY MARKEO W[TH SPOT$ OF DIFFERENT COLORS.MDTTLING IN
(V SEVJ THE MA55 IS EFFECTIVELY REDUCEO TO SOIL STfaTUS.WITH ONLY FRfaGMENTS OF STRONG ROCK SOILS USUALLY INDICATES POOR aERPTION ANO LACK OF G000 ORAINPGE.
REMAINING. SAPROLITE IS AN EXAMPLE OF ROCK WElaTHERE� TO A �EGREE SUCH THAT ONLY MINOR PERCHEO WATER - WATER MAINTAINEO la80VE THE NORMAL GROUNO WATER LEVEL BY THE PRESENCE OF /aN
VESTIGES OF THE ORIGINAL ROCK FABRIC REMAIN. IF TESTED. YIELOS SPT N VALUES < 106 BPF INTERVENING IMPERVIOUS STR/aTUM.
COMPLETE ROLK REDUCEO TO SOIL. ROCK FABRIL NOT OISLERNIBLE.Ofl OISCERNIBLE ONLY IN SMALL ANO RESIDUaL (RES.ISOIL - SOIL FOFMED IN PLaCE BY THE WEaTHERING OF ROCK.
SClaTTEREO CONCENTRATIONS. OUARTZ MAY BE PRESENT PS DIKES OR STRINGERS. SAPROLITE IS qOLK OUPLITY DESIGNATION (ROD)- P MEASURE OF ROCK OUALITY DESLR18E0 BY TOTAL LENGTH OF
laL50 !aN EXAMPLE. ROLK SEGMENTS EOUfaL TO OR GREA7ER 7HAN 4 INLHES DIVIDED BY 7HE 70TPL LENGTH OF LORE RUN AND
ROCK HARDNESS EXPRESSEO AS A PERCENTAGE.
VERY HaRO CANNOT BE SCRATCHEO BY KNIFE OR SHARP PICK. BREAKING OF HAND SPECIMENS REOUIRES SAPROLITE (SAPJ- RESIDl1AL SOIL THlaT RETAINS THE RELIC STRUCTURE OR FABRIC OF THE
SEVERAL HARD BLOWS OF THE GEOLOGIST'S PICK. PARENT ROCK.
SILL - AN INTPUSIVE 800Y OF IGNEOUS ROCK OF aPPRO%IMATELY UNIFORM THILKNE55 AND
HARO CAN BE SCRfaTLHEO BY KNIFE OR PICK ONLY WITH DIFFICULTY. HfaRD HPMMER BLOWS REOUIREO RELATIVELY THIN LOMPARED WITH ITS LATERAL EXTENT.THAT HAS BEEN EMPLACEO PARPLLEL
TO DETACH HANO SPELIMEN. TO THE BEDDING OR SLHISTOSITY OF THE INTRUOEO ROCKS.
MO�ERATELV ClaN BE SCRATCHEO BY KNIFE OR PICK. GOUGES OR GROOVES TO 0.25 INCHES OEEP CAN BE SLICKENSIOE - POLISHEO ANO STRIATEO SURFACE THAT RESULTS FPOM FRICTION laLONG a FAULT OR
HARO ExCAVATEO BY HlaR� BLOW OF A GEOLOGIST'S PICK. HlaND SPECIMENS ClaN 8E �ETACHEO SLIP PLaNE.
BY MOOERfaTE 8LOW5.
MEOIUM CaN BE GPOOVED OR GOUGEO 0.05 INCHES OEEP BY FIRM PRESSURE OF KNIFE OR PICK POINT. STANOARO PENE7RA7fON TEST IPENETRfaTION RESISiANCEI(SPT)- NUMBER OF 8LOW5 cN OR BPFIOF
HlaRD CaN BE EXCAVaTED IN SMaLL CHIPS TO PEICES IINCH MA%IMUM SIZE BY HARO BLOWS OF THE A�40 LB.HAMMER FALLING 30 INCHES REOUIRED TO PRODUCE A PENETRlaT10N OF IFOOT INTO SOIL WITH
POINT OF A GEOLOGIST'S PICK. A 2 INCH OUTSIDE DIAMETER SPLIT SPOON SAMPLER. SPT REFUSAL IS PENETRATION EOUAL TO OR LESS
THAN 9.1 FOOT PER 69 BLOWS.
SOFT CaN BE GPOVED OR GOUGEO REaDILY BY KNIFE OR PICK. CAN BE EXCAVaTED IN FRAGMENTS
FROM CHtPS TO SEVERAL INCHES W SIZE BY MOOERATE BLOWS OF A PICK POINT. SMaLL,THIN STRATA LORE RELOVERY ISREL.1- TOTAL LENGTH OF STRqTP MATERIPL RELOVEREO DIVIOEO BY TOTAL LENGTH
PIECES CaN BE BROKEN BY FINGER PRESSURE. OF STRATUM ANO EXPRESSEO AS A PERCENTAGE.
VERY ClaN BE CARVED WITH KNIFE. CAN BE ExLlaVATEO REAOILY WITH POINT OF PILK. PIECES 1 INCH STRATa ROCK OUaLITY OESIGNATION (SP00)- A MEASURE OF ROCK OUALITY OESCRIBED BY
SOFT OR MORE IN THICKNESS CAN BE BROKEN BY FINGER PRESSURE. CAN BE SCRATCHEO RElaDILY BY TOTAL LENGTH OF POCK SEGMENTS WITHIN !a STRATUM EOUIaI TO OR GREATER THAN 4 INCHES OIVIOEO BY THE
TOTaL LENGTH OF STRaTa aN� E%PRESSEO AS A PERCENTaGE.
FINGERNAIL.
FRACTURE SPACING BEDDING TOPSOIL ITSJ- SUPFACE SOILS USUALIY CONTAINING ORGANIC MATTER.
TERM SPACWG TERM THICKNESS BENCH MARK: (S22 NOt2S)
VERY WIOE MORE THlaN 10 FEET VERY THICKLY BEOOEO > 4 FEET
WIDE 3 TO 10 FEET 7HICKLY BEOOEO 1.5 - 4 FEET
MOOERfaTELY CLOSE � TO 3 FEET THINLY BEOOEO 0.16 - 1.5 FEET ELEVATION: FT.
CLOSE 0.16 TO 1 FEET VERY THINLY BEDOEO 0.03 - 0.16 FEET
VERY LLOSE LESS THAN 9.16 FEET THICKLY LAMINATEO 0.008 - 0.03 FEET NOTES:
THINIY LAMINA7E0 < 0.008 FEET F.I.A.D. = Filled Ilt Afiter Drilling
INDURATION Boring elevations derived using 670060_IS_tnl.tin
FOR SEDIMENTARY ROLKS.INOURATION IS THE HRRDENING OF THE MATERIAL BY LEMENTING.HEfaT.PRE55URE.ETL.
FRIABLE RUBBING WITH FINGER FREES NUMEROUS GPAINS:
GENTLE BLOW BY HAMMER D15INTEGRATES SAMPLE.
MODERATELY INOURfaTEO GRla1N5 CAN BE SEPARATEO FROM SlaMPLE WITH STEEL PROBE:
BREAKS EASILY WHEN HIT WITH HAMMER.
INDURRTED GRa1N5 laRE DIFFICULT TO SEPaRaTE WITH STEEL PROBE;
OIFFICULT TO BRElaK WITH HAMMER.
E%TREMELY INOURfaTEO SHARP HaMMER BLOWS REOUIRED TO BREaK SaMPLE;
SAMPLE BREAKS ACROSS GRAINS.
REVISED 09/23/09
SITE PLA1� C
Bridge 60, Orange County
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Proposed End of
Footing (Upstream)
Proposed End of
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500------- — — -------------------- — — — — — — ---------------------------- — — ---------------------------- — — ---- — — -------- — — — — — — — — ------------------500
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490 � 3 �
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RED-BROWN TO � ORANGE-BROWN\
SOFT. L SANDY CLAY (A-61 �
C°-=-' � � 490
--------'-�-�- L --� � � �-�---�----------------------------
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480
48 0 ---------------------------------------------------------------- f.l4YST�4[1.lNE-J40CK:--------------------------------------------------------------------------------
(FELSIC METAVOLCANIG
470
�Nofe:Cross secflon cuf usTng Geopok olong the proposed
culvert benf line.lnferprefed 5lrotigrophy was drown between
borings wilh both projecfed onfo tlae bent line.
OO WEATHERED ROCK: fFELSIC METAVOLCANICJ
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480 �FELSIC METAV
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� ALLW/AL: BROWN. MED. DENSE. CLAYEY
SAND fA-2-6J W/ GRAVEL
OO ►NEATHERED ROCK: (FELSIC METAVOLCANICI
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U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 6
� BORELOG REPORT
WBS 17BP.7.R.63 TIP N/A COUNTY ORANGE GEOLOGIST B. SMITH
SITE DESCRIPTION Bridge No. 60 over Creek on SR 1002 (St. Mary's Rd.) GROUND WTR (ft)
BORING NO. EB1-A STATION 12+73 OFFSET 8 ft RT ALIGNMENT N/A 0 HR. FIAD
COLLAR ELEV. 497.2 ft TOTAL DEPTH 14.1 ft NORTHING 858,563 EASTING 1,993,448 24 HR. FIAD
DRILL RIGIHAMMER EFF.IDATE SUM0093 DIEDRICH D-50 86% 08/15/2013 DRILL METHOD NW Casing w/ Ativancer HAMMER TYPE Automatic
DRILLER J. BARE START DATE 05/02/12 COMP. DATE 05/02/12 SURFACE WATER DEPTH N/A
ELEV DRIVE DEPTH BLOW COUNT BLOWS PER FOOT SAMP. - �
�ft� ELEV �ft� O SOIL AND ROCK DESCRIPTION
(ft) 0.5ft 0.5ft 0.5ft 0 25 50 75 100 NO. MOI G ELEV. n DEPTH ft
500
a97z GROUND SURFACE o.o
ROADWAY EMBANKMENT
495 I I � � � � � � � � � � � � I Red-brown, SI�TY CLAY (A-7) w/ trace rock
� . . . . . . . . . . . . . . . . fragments
� . . . . . . . . . . . . . . . .
WOH 1 1 12 : : . . . . . . . - - � - - � M
490 T . . . . . . . . . . . . . 489.9 7.3
. . I . . . . . . . . . . . . . . ALLUVIAL
. . I . . . . . . . . . . . . . . Brown, CLAYEY SAND (A-2-6) w/ trace
1 3 11 I ' ' ' ' ' ' ' ' ' ' ' ' Sat. ��°�°� gravel
. . T14
485 - . . . . . . . . . . . . a o e
`—�---- — 483.6 13.6
60/0.0 60/0.o WEATHERED ROCK
(Felsic Metavolcanic)
Boring Terminated with Standard
Penetration Test Refusal at Elevation 483.1
ft On Crystalline Rock (Felsic Metavolcanic)
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U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 7
� BORELOG REPORT
WBS 17BP.7.R.63 TIP N/A COUNTY ORANGE GEOLOGIST B. SMITH
SITE DESCRIPTION Bridge No. 60 over Creek on SR 1002 (St. Mary's Rd.) GROUND WTR (ft)
BORING NO. EB1-B STATION 12+73 OFFSET 8 ft LT ALIGNMENT N/A 0 HR. FIAD
COLLAR ELEV. 497.2 ft TOTAL DEPTH 17.4 ft NORTHING 858,578 EASTING 1,993,442 24 HR. FIAD
DRILL RIGIHAMMER EFF.IDATE SUM0093 DIEDRICH D-50 86% 08/15/2013 DRILL METHOD NW Casing w/ Ativancer HAMMER TYPE Automatic
DRILLER J. BARE START DATE 05/02/12 COMP. DATE 05/02/12 SURFACE WATER DEPTH N/A
ELEV DRIVE DEPTH BLOW COUNT BLOWS PER FOOT SAMP. - �
�ft� ELEV �ft� O SOIL AND ROCK DESCRIPTION
(ft) 0.5ft 0.5ft 0.5ft 0 25 50 75 100 NO. MOI G ELEV. n DEPTH ft
500
a97z GROUND SURFACE o.o
ROADWAY EMBANKMENT
495 I I � � � � � � � � � � � � I Red-orange, SILTY CLAY (A-7)
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WOH WOH 2 l2 . . . . . . . . . - - � - - � W
490 � . . . . . . . . . . . . . . . . a9o.1 �.1
ALLUVIAL
� . . . . . . . . . . . . . . . . Brown and gray, highly plastic SILTY CLAY
WOH 3 1 14 : - : � - : _ _ : _ _ : _ _ _ Sat. (A-7-6), mod. organic
485 T asa.a �z.a
. . 6 WEATHERED ROCK
. . . . . . . . . . . . . . . . ° (Felsic Metavolcanic)
00/0. - � - � � - � - - � - � � 100/0.31
480 . . . . . . . . . . . . . . . . � /6 479.8 17.4
60/0.0 60/0.o Boring Terminated with Standard
Penetration Test Refusal at Elevation 479.8
ft On Crystalline Rock (Felsic Metavolcanic)
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U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 8
� BORELOG REPORT
WBS 17BP.7.R.63 TIP N/A COUNTY ORANGE GEOLOGIST B. SMITH
SITE DESCRIPTION Bridge No. 60 over Creek on SR 1002 (St. Mary's Rd.) GROUND WTR (ft)
BORING NO. EB2-A STATION 12+37 OFFSET 8 ft RT ALIGNMENT N/A 0 HR. FIAD
COLLAR ELEV. 497.1 ft TOTAL DEPTH 14.8 ft NORTHING 858,550 EASTING 1,993,415 24 HR. FIAD
DRILL RIGIHAMMER EFF.IDATE SUM0093 DIEDRICH D-50 86% 08/15/2013 DRILL METHOD NW Casing w/ Ativancer HAMMER TYPE Automatic
DRILLER J. BARE START DATE 05/02/12 COMP. DATE 05/02/12 SURFACE WATER DEPTH N/A
ELEV DRIVE DEPTH BLOW COUNT BLOWS PER FOOT SAMP. - �
�ft� ELEV �ft� O SOIL AND ROCK DESCRIPTION
(ft) 0.5ft 0.5ft 0.5ft 0 25 50 75 100 NO. MOI G ELEV. n DEPTH ft
500
497.1 GROUND SURFACE 0.0
495 � � � i � � � � I � � � i � � � I R d o� ge, SANDY�CKAY (A-6)
I. . . . . . . . . . . . . . . .
WOH WOH WOH Tj0 . . . . . . . . - - � - - � M
490 WOH I . . . . . . . . . . . . . . . . 489.9 7.2
� . . . . . . . . . . . . . . . ALLUVIAL
J . . . . . . . . . . . . . . . Gray and brown, SILTY f. SANDY (A-2-4) w/
2 1 5 `I � � � � � � � � � ' ' ' ' Sat. o" trace gravel, mod. organic
485 '16 . . . . . . . . . . . . . . .
.. L------ �� � I 483.5 13.6
' ' ' ' ' ' ' ' ' 48Z.4 WEATHERED ROCK 1a.�
60/0.1 60/0.1 (Felsic Metavolcanic)
oring ermina e�nn an ar
Penetration Test Refusal at Elevation 482.3
ft On Crystalline Rock (Felsic Metavolcanic)
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U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 9
� BORELOG REPORT
WBS 17BP.7.R.63 TIP N/A COUNTY ORANGE GEOLOGIST B. SMITH
SITE DESCRIPTION Bridge No. 60 over Creek on SR 1002 (St. Mary's Rd.) GROUND WTR (ft)
BORING NO. EB2-B STATION 12+40 OFFSET 8 ft LT ALIGNMENT N/A 0 HR. FIAD
COLLAR ELEV. 497.1 ft TOTAL DEPTH 14.6 ft NORTHING 858,565 EASTING 1,993,412 24 HR. FIAD
DRILL RIGIHAMMER EFF.IDATE SUM0093 DIEDRICH D-50 86% 08/15/2013 DRILL METHOD NW Casing w/ Ativancer HAMMER TYPE Automatic
DRILLER J. BARE START DATE 05/02/12 COMP. DATE 05/02/12 SURFACE WATER DEPTH N/A
ELEV DRIVE DEPTH BLOW COUNT BLOWS PER FOOT SAMP. - �
�ft� ELEV �ft� O SOIL AND ROCK DESCRIPTION
(ft) 0.5ft 0.5ft 0.5ft 0 25 50 75 100 NO. MOI G ELEV. n DEPTH ft
500
497.1 GROUND SURFACE 0.0
495 I I i���� I i� '' I ROADWAY EMBANKMENT
Orange-brown to red-brown, SANDY CLAY
� . . . . . . . . . . . . . . . . — (A-6)
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5 2 1 l3 . . . . . . . . . - - � - - � W '-
490 � . . . . . . . . . . . . . . . .
I
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7 7 20 I � � _ �27 � . . . . . . . . . . Sat. -0 486.5 10.6
ALLUVIAL
485 � Brown, SILTY SAND (A-2-4)
. . . . ��` . _. �_ . _ . . ._ . ° 483.5 13.6
� � � � � � � � � 48z.5 WEATHERED ROCK 1a.6
60/0.0 60/0.0 (Felsic Metavolcanic)
Boring Terminated with Standard
Penetration Test Refusal at Elevation 482.5
ft On Crystalline Rock (Felsic Metavolcanic)
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U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 10
� BORELOG REPORT
WBS 17BP.7.R.63 TIP N/A COUNTY ORANGE GEOLOGIST J. TERRY
SITE DESCRIPTION Bridge No. 60 over Creek on SR 1002 (St. Mary's Rd.) GROUND WTR (ft)
BORING NO. RS-1 STATION 12+65 OFFSET 29 ft RT ALIGNMENT N/A 0 HR. N/A
COLLAR ELEV. 485.8 ft TOTAL DEPTH 1.3 ft NORTHING 858,540 EASTING 1,993,448 24 HR. N/A
DRILL RIGIHAMMER EFF.IDATE N/A DRILL METHOD Rotl Sountling HAMMER TYPE N/A
DRILLER C. HUSKETH START DATE 10/02/13 COMP. DATE 10/02/13 SURFACE WATER DEPTH N/A
ELEV DRIVE DEPTH BLOW COUNT BLOWS PER FOOT SAMP. - �
�ft� ELEV �ft� O SOIL AND ROCK DESCRIPTION
(ft) 0.5ft 0.5ft 0.5ft 0 25 50 75 100 NO. MOI G ELEV. n DEPTH ft
490
a85.8 GROUND SURFACE o.o
485 n/a 1 10 ! ! I ! Sat. "a �� a8a.8 ALLUVIAL 1.0
i 11--r---�---
n/a 70/0.3 70/0.3 Red-brown, loose, clayey SAND (A-2-6)
WEATHERED ROCK
(Felsic Metavolcanic)
Boring Terminated at Elevation 484.5 ft In
Weathered Rock (Felsic Metavolcanic)
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U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 11
� BORELOG REPORT
WBS 17BP.7.R.63 TIP N/A COUNTY ORANGE GEOLOGIST J. TERRY
SITE DESCRIPTION Bridge No. 60 over Creek on SR 1002 (St. Mary's Rd.) GROUND WTR (ft)
BORING NO. RS-2 STATION 12+47 OFFSET 29 ft RT ALIGNMENT N/A 0 HR. N/A
COLLAR ELEV. 488.9 ft TOTAL DEPTH 4.3 ft NORTHING 858,534 EASTING 1,993,432 24 HR. N/A
DRILL RIGIHAMMER EFF.IDATE N/A DRILL METHOD Rotl Sountling HAMMER TYPE N/A
DRILLER C. HUSKETH START DATE 10/02/13 COMP. DATE 10/02/13 SURFACE WATER DEPTH N/A
ELEV DRIVE DEPTH BLOW COUNT BLOWS PER FOOT SAMP. - �
�ft� ELEV �ft� O SOIL AND ROCK DESCRIPTION
(ft) 0.5ft 0.5ft 0.5ft 0 25 50 75 100 NO. MOI G ELEV. n DEPTH ft
490
488.9 GROUND SURFACE o.o
n/a 1 1 Z. Sat. e> ALLUVIAL
n/a 1 1 2, . . . . . . . . . . . . . . . Sat. :°e Gray and brown, loose to med. dense, silty f.
485 n/a 6 9 - y1 � - . . . . . . . . . . . Sat. �_ °e a8a.9 SAND (A-2-4) 4.0
n/a 19 10 29 70/0.3 WEATHERED ROCK
n/a 70/0.3
(Felsic Metavolcanic)
Boring Terminated at Elevation 484.6 ft In
Weathered Rock (Felsic Metavolcanic)
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U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 12
� BORELOG REPORT
WBS 17BP.7.R.63 TIP N/A COUNTY ORANGE GEOLOGIST J. TERRY
SITE DESCRIPTION Bridge No. 60 over Creek on SR 1002 (St. Mary's Rd.) GROUND WTR (ft)
BORING NO. RS-3 STATION 12+47 OFFSET 29 ft LT ALIGNMENT N/A 0 HR. N/A
COLLAR ELEV. 484.5 ft TOTAL DEPTH 1.8 ft NORTHING 858,588 EASTING 1,993,411 24 HR. N/A
DRILL RIGIHAMMER EFF.IDATE N/A DRILL METHOD Rotl Sountling HAMMER TYPE N/A
DRILLER C. HUSKETH START DATE 10/02/13 COMP. DATE 10/02/13 SURFACE WATER DEPTH N/A
ELEV DRIVE DEPTH BLOW COUNT BLOWS PER FOOT SAMP. - �
�ft� ELEV �ft� O SOIL AND ROCK DESCRIPTION
(ft) 0.5ft 0.5ft 0.5ft 0 25 50 75 100 NO. MOI G ELEV. n DEPTH ft
485 a8a.5 GROUND SURFACE o.0
n/A 1 2 . . . . . . . . . . . . . . . Sat. voo°<e° ALLUVIAL
n/a 25 70/0.3 I 3- _��___ �___ J___ o�.� o e a83.o grown, loose to med. dense, sitty SAND 1.5
70/0.3
(A-2-4)
WEATHERED ROCK
(Felsic Metavolcanic)
Boring Terminated at Elevation 482.7 ft In
Weathered Rock (Felsic Metavolcanic)
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