20151309 Ver 1_Div7_GEO_BRDG0042_Inventory_Revised_20151216

STATE OF 11tORTH CAROLI11tA
DEPARTMEIVT OF TRANSPORTATI011t
DIVISION OF HIGHWAYS
GEOTECH11lICAL E111GI11lEERING U11lIT
STR UCTURE
SUBSURFACE I1�VESTIGATI01�
PROJ. REFERENCE NO< I�BP.7.R.63
C 0 U N T Y ORANGE
F.A, PROJ. �a
PROJECT DESCRIPTION Bridge 11to. 42 on SR 1007 (Mebane Oaks Rd.)
over Creek
C0111TE11ITS
SHEET DESCRIPTION
I TITLE SHEET
2.2A LEGEND
3 SITE PLAN
4-5 CROSS SECTIONS
6-II BORE LOGS
PERSONNEL
J. Terry, EIT
J. Bare
J. Gentry
A. May, EIT
INVESTIGATED BY B. Worley, P.G.
CHECKED BY D. Dewey, PE
SUBMITTED 8Y Summit Design and Engineering, PLLC
DATE DECEMBER 2013
CAUTI011t 11lOTICE
TNE SUBSURFACE MFORMRTION 4N0 iHE SU85URFACE MVESTIGAT�ON ON WHICH IT IS BASED NERE MAOE FOR THE PUftPOSE OF PREPdRML THE SCOPE OF WORc i0 BE INCLIIDED IN THE REOl1EST FOR PROP0541.
THE VARIOUS GIELO BORING LOGS. ROCK CORES. ANO $OIL 1EST Odid AVGILABLE MAY BE REVIEWEO OR INSPECTEO iN RALEILH BY LONT4CiING iHE N. C.OEPGRTMENT OF iRdNSFORTGTION.
GEOTECHNICAI ENGMEERING UNIT AT 19191 T07-6850. TME SUBSUHFACE PLAN$ AND PEPONTS. �IELO BORINL LOGS. ROCK CORES. GNO $OIL iEST Odi! dRE NOi PART OF THE CONiRdCT.
SOIL ANO ROCK BOUNOARIE$ MITHIN A BOPEHOLE ARE BASE� ON GEOiECHNICAL INTEAPREIATION UNLESS ENCOUNTERED IN A SAMPLE. INiERPftETE� BOUNpARIE$ MAY NOT NECESSdftILY PEFLECT ACTUAI SUBSUPFACE
CONDITION$ BETWEEN SAMPLED STRATA,AND BOREHOLE INFORMAiION MAY NOT NECESSARILT REFLECT dCTUdL SUBSURfACE CONOITIONS BETWEEN BORINGS. THE LdBORATORY SpMPLE D>Td !NO THE IN SITU nN-PLACE�
TEST OATA CAN BE RELIEO ON ONLY TO THE OEGREE OF RELIABI�ITY INHERENT IN THE 5T4NDOR0 TESi NETH00. THE OBSEAVED WliER LEVELS OP SOIL MOISTURE CONDITiONS iNDICATED IN iHE SIIBSURFdCE
INVESiIGdilONS AftE AS RECOROEO A1 iHE TIME OF THE INVESTIGATION, iHESE WAiER LEVELS OR SOIL MOISTURE CONOITIONS MAY VARY CONSI�ERdBLY WITH TIME ACCOPOMG i0 Cli4ATiC CONOITIONS INCLUOING
iEMPENATURES. PAECiPiTdi�ON. ANO WiNO. GS WELL GS OTHER NON-CLIMGiIC FdCTORS.
THE DEPARTMENT DOES NOT NGRRANT OR CUARANTEE TNE $UFFI�IENCY OR dCCURACY OF THE iNVESTiGeiION MGpE. OR OPiN10N OF THE OEPARTMENT A$ TO THE TYPE OF MATERIALS ANO CONOITIONS TO BE
ENCOUNTEREO. THE BIODER OF CONTRGCTOF I$ CAUTIONED TO MGNE SUCH INDEPENDENT SUBSURFGCE iNVESiIG>TIONS AS NE �EEMS NECESSeRY i0 SATISFY NIMSELF AS TO CONOITION$ TO BE ENCOUNTERED ON
THE PROJECi. iHE CONTFlCTOR SHALL HAVE NO Ct41M FOR AOOITIONGL COMPENSATiON OR FOR GN E%TENSION Oi TIME FOR ANY REASON AESUITING FRON iHE ACiUAL CONDITIONS ENCOUNTERED AT THE SITE
DIFFERINL FROM THOSE INOICATED IN THE SUBSUR(4CE INFORMAiION.
NOTE - iHE INFORMATION CONT41NED HEREIN IS NOT IMPLIED OR GUARANTEED BY iHE N. C. OEPARTMENT
OF TRANSPORTATION AS BEING ACCURATE NOR IT IS GONSIOERED 10 BE PART OF THE PLANS.
SPEGIFICATIONS. OR CONTRACT FOR THE PROJECT.
NOTE - 8Y HAVMG REOUESTED THIS INFORMATION THE CONTRACTOR SPECIFICALLY WAIVES ANY CLAIMS
FOR WCREASEO COMPENSATION OR ExTENSION OF TIME BASED ON DIFFERENCES BETWEEN THE
CONDITIONS IN�ICATEO HEREIN ANO THE ACiUAL CONDITIONS AT iHE PROJECT SITE.
ORAWN BY: B. Worley, P.G. and M. Brandon, PLS

PROJECT REFERENCE N0. SHEET N0.
178P.7.R.63 (Bridge 42) 2
N�RT1H Ct�R�1LIN.� IDEP.�RTMIENT �F '�'R.�NSP�RT.�TI�N
IDIVI3I�N �F HIGHWAY3
GE�'I°EC�INICAL ENGINEERING UNI'd'
5�I1L .�N� R�C� ]LEG]EN�, 'J["]ERNgS, ��'Ngl��]LS, .�N� .�1�1��81EVI.�'J["I�NS
SOIL DESCRIPTION GRAOATION
WELL GRlaOE� - INDfCATES A G00� REPRESENTfaTION OF PARTICLE SIZES FROM FINE TO LOARSE.
SOIL IS CONSIOERED TO BE THE UNCONSOLIDaTEO, SEMI-CONSOLIOaTEO,OR WEaTHEREO EaRTH MlaTERIRLS UNIFORM - INOICATES THAT SOIL PARTICLES !RE ALL APPROXIMATELY THE SAME SIZE.(ALSO
THaT CAN BE PENETRqTEO wITH A CONTINUOUS F�IGHT POwER aUGER.aNO YIELD LESS THAN POORLV GRAOEO)
109 BLOWS PER FOOT ACCOROING TO STANOARO PENETRATION TEST (AASHTO T296.ASTM 0-15861. SOIL GAP-GRADED - INDICATES A MIXTURE OF UNIFORM PPRTILLES OF TWO OR MORE SIZES.
CLASSIF�CATION I$ BASED ON THE AASHiO SYSTEM, BASIC DESCR�PTIONS GENERALLI' $HqLL INCLl1DE: ANGULARITY OF GRAINS
CONSISiENCY.COLOR,TEXTURE.M015TURE.laASHTO CLlaSSIFICATION.ANO OTHER PERTINENT FPCTORS SUCH
AS MINERRLOGICaL COMPOSITION,aNGl1LARITY,STRUCTURE,PLASi1CITY,ETC.EXaMPLE: THE ANGULARITY OR R�UNONESS OF SOIL GRAINS IS OESIGNATEO BY THE TERMS ANGULAR,
VEM SlIFF,GRPY,ALiY CW.YOIST W11H Ih7ERBECmEO FINE SAN� IdYERS.NIGHLY PIASTIC, A-7-6 SUBaNGULaR, SUBROUNDED, OR ROUNDED.
SOIL LEGEND AND AASHTO CLASSIFICATION MINERALOGICAL COMPOSITION
GENERfaL GRANULI+R MlaTERIFaLS SILT-CLAY MATERIALS MINERAL NAMES SUCH fa5 OUARTZ,FELOSPAR,MICA,TfaLC,KAOLIN.ETC.ARE USE� IN DESCRIPTIONS
CLASS. f 5 35'/. PaSSING °2001 1> 35'/. PASSING °2601 ORGfaNIL MATERIlaLS WHENEVER THEY qRE CONSIDERED OF SIGMFICRNCE.
GROUP A-� A-3 Q-z a-a a-s a-e a-� q_�,Q_z a-a.a-s COMPRESSIBILITY
CLaSS. p-I-e P-1-b A-2-4 q-2-5 a-2-6 R-2-7 Q-3 A-6• Q-� SLIGHTLY COMPRESSIBLE LIOU10 LIMIT LE55 THAN 3�
SVMBOL MOOERaTELY COMPRESSIBLE LIOUID LIMIT EOUaL TO 31-50
000 0000 ..... ;::••::::..::i.::: ,� •.•�, .. �. .
HIGHIY COMPRESSIBLE LIOUID LIMIT GREATER THAN 56
'/. PASSING PERCENTAGE OF MATERIAL
SILT-
° 10 5B Mx GRaNULaR CLaY MUCK, ORGANIC MATERIAL GRANULAR SILT - LLaY OTHER MATERIAL
° 40 3B MX 50 Mx 51 MN SOILS PEAT SOILS SOILS
• 200 15 M% 25 Mx IB Mx 35 MX 35 MX 35 M% 35 Mx 36 MN 36 MN 36 MN 36 MN SOILS 7qpCE OF ORGANIC MATTER 2- 3% 3- 5% TRACE I- 19%
LITTLE ORGANIC MlaTTER 3- 5'/. 5- 12'/. LITTLE 19 - 20'/.
LIOUIO LIMII 4B M% 4I MN 40 M% 41 MN 49 M% 41 MN 40 M% 41 MN SOILS WITH MOOERATELY ORGaNIC 5- 19% 12 - 20% SOME 29 - 35%
PLASiIC INOEX 6 M% NP �0 M% �9 MX 11 MN II MN 10 M% 10 M% II MN II MN L177LE OR HIGHLY HIGHLY ORGANIC >10% )29% HIGHLY 35% ANO ABOVE
GFOUP INOE% 0 0 0 4 Mx 8 Mx 12 MX 16 M% No Mx MOOERATE ORGANIC GROUND WATER
AMOUNTS OF SOILS
USUAL TYPES STONE FRpGS.FINE SILTY OR CLAYEY SILTY CLAYEY ORGlaNIC � Wl+TER LEVEL IN BORE HOLE IMMEOfATELY AFTER ORILLING
OF Mt1JOfi GRNVEL,/+NO SRND GRPVEL RND SANO SOIIS SOILS MfaTTER
MAiEPlf+lS SpND � STATIC WATER LEVEL AFTER z4 HOURS
GEN.RATING FlaIR TO PW PERCHED WlaTER,SATURATEO ZONE,OR WPTER BEARING STRATP
AS A EXCELLENT TO GOOD FAIR TO POOR p00R POOR UNSl11TABLE
SUBGRA�E ^ n �, n
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
RlaNGE OF STRNOlRO RlaNGE OF UNCONF�NEO srr TEST BORING
PRIMARY SOIL TYPE COMPACTNESS OR pENETRATION RESISTENLE COMPRESSIVE STRENGTH � ROADWAY EMBlaNKMENT (REI � ov.on. TEST BORING
CONSISTENCY IN-VALUEI �TONS/FYZ 1 � WITH SOIL DESCRIPTION vst ant W/ LORE
VERY LOOSE <4 � AUGER 80RING �
SPT N-VALIJE
GENERALLY LOOSE q T� 10 SOIL SYMBOL l
GRANULAR MEOIUM OENSE N/A � REF SPT REFUSAL
10 TO 30 ARTIFICIAL FILL IAF) OTHER
MATERIAL DENSE LORE 80RING
(NON-COHESIVE) 30 TO 50 THAN ROaOWAY EMBANKMENT
VERY OENSE >50
VERY SOFT <2 �� INPERRED SOIL BOUNDaRY �WO MONITORING WELL
<0.25
GENERlaLLY $OFT 2 TO 4 0.25 TO 0.56 Q PIEZOMETER
SILT-CLaY MEDIUM ST[FF 4 TO 8 �%%�=�/%z INFERRED ROCK LINE jNSTALLATION
0.5 TO 1.0
MaTER1AL STIFF 8 TO 15 1 TO 2 t.r� faLLUV1AL SOIL BOUNOARY O SLOPE INDICaTOR
�COHESIVE) VERv STIFF 15 TO 30 2 Tp q
INSTaLLaTION
HARO >30 >4 25i025 O1P & OIP OIRELTION OF
TEXTURE OR GRAIN SIZE � ROCK STRUCTURES � CONE PENETROMETER TEST
U.S.STO.SIEVE SIZE 4 10 49 60 200 270 • SOUNOING ROD
OPENING IMM) 4.76 2.00 0.42 0.25 0.075 9.053 ABBREVIATIONS
BOULDER COBBLE GRAVEL C�qNOE SaNO SILT CLAY qR - AUGER REFUSfaL MED.- ME�IUM VST - VRNE SHEAR TEST
BLDRJ ICOBJ �GRJ (CSE.S�J (F SOJ �SLJ (ClJ BT - BORWG TERMINfaTED MICA.- MICALEOUS WEA.- WEf+THEREO
CL.- CLlaY M00.- MODERATELY '�'- UNIT WEIGHT
GRfaIN MM 365 75 2.0 0.25 0.05 0.095 �pT - CONE PENETRc1T�ON TEST NP - NON PLAST�C ya- ORV UNIT WEIGHT
SIZE IN. 12 3 LSE.- LOARSE ORG.- ORGANIC
SOIL MOISTURE - CORRELATION OF TERMS OMT - OILlaTOMETER TEST PMT - PRESSUREMETER TEST SAMPLE ABBREVIlaT10N5
OPT - OYNlaMIC PENETRlaT10N TEST SAP.- S[aPROLITIC S- BULK
SOIL MOISTURE SLALE FIELO MOISTURE GUIDE FOR FIELD MOISTURE OESLRIPTION - y01D RAT10 SD.- 51N0.5/aNDY SS - SPLIT SPOON
(ATTERBERG L[MIT51 DESCRIPTION F- FINE SL.- SILT.SILTY ST - SHELBY TUBE
-$ATURPTEO - USUALI.Y lI0Ul0:VERY WET.USURLLY FOSS.- FOSSILIFEROUS SL1.- SLIGHTLY RS - ROCK
ISAT.) FROM BELOW THE GROUND WAtER TaBLE FRAC.- FRlaCTURED.FRRCTURES 1'CR - TRICONE REFUSAL FT - RECOMPACTED TRIAXIAL
LL LIOU1� LIMiT FRAGS.- FRlaGMENTS - MOISTURE CONTENT CBR - ClaLIFORNIla BEARING
PLASTIC� H1.- HIGHLY V�- VERY RlaT10
RqNGE - WET - cW1 SEMISOLID;REOUIRES ORY[NG TO
�P�� PL ATTAIN OPTIMUM MOISTURE EOUIPMENT USED ON SUBJECT PROJECT
PLASTIC LIMIT
ORILL UNITS: ADVANCING TOOLS: HAMMER TYPE:
OM �PT�MUM MOISTIJRE - M01ST -(M1 SOLID;AT OR NEAR OPTIMUM MOISTURE � lUTOMAT�C � MANUlaL
SL SHRINKAGE LIMIT ❑ MOBILE B- _ ❑ CLaY BITS
REOUIRES AOOITIONAL WATER TO ❑ 6'CONTINUOUS FLIGHT AUGER CORE S12E:
- ORY -(DI qTTAIN OPTIMUM MOISTURE ❑ BK-51 � g•HOLLOW aUGERS �-B
PLASTICITY � CME-45L ❑ HAPO F/aCED FINGER BITS ❑_N
PLRST�CITY �NOEX IPI) ORY STRENGTH � TUNG.-CARBIOE INSERT$ ❑ H
NONPLASI'IC 0-5 VERY LOW � CME-550
LOw PLA51'ICITY 6-15 SLIGHT ❑ LASING ❑ W/ PDVANCER
HAND TOOLS:
ME�.PIASTICITY 16-25 MEOIUM � pORTABLE HOIST � TRICONE 'STEEL TEETH � POST HOLE DIGGER
HJGH PLPSTICiT� 26 OR MORE HIGH
COLOR � Diedrich D-50 � TR�CONE 'TUNG.-CARB. ❑ HAND AUGER
� CORE BI7 � SOUNOING R00
OESCRIPTIONS MAY INCLl1DE COLOR OR COLOR COMBINATIONS (TlaN,RED,YELLOW-BROWN,BLUE-GRRY1. ❑ � yqNE SHEAR TEST
MODIFIERS SUCH aS LIGHT,DaRK,STREPKED.ETC.aRE USED TO DESCRIBE APPEPRANCE. � ❑
REVISED 09/23/09

PROJECT REFERENCE N0. SHEET N0.
17BP.7.R.63 (Bridge 42) 2A
N�RT�I C.�R�LINA DEFEIR'Il'MENT �F TRANS��RTt�TI�N
IDIVISI�N �F p-IIG�IW.�Y�
GE�'Il'ECHNICAL ]ENGINEERING UNIT
S��]L .�N� R�Cd� L�GEN�, °Il°'Ed$N�S, S�N�1��]LS, .�Nd9 .�]��IB�VI.�°i°I�NS
ROCK DESCRIPTION TERMS AND DEFINITIONS
HRRD ROCK IS NON-COASTlaL PLAIN MlaTERIPL THqT IF TESTED.WOULO YIELD SPT REFUSAL.AN INFERREO qLLUVIUM fqLLUV.I- SOILS THpT HqVE BEEN TRlaNSPORTEO BY W1TER.
ROCK LINE INOICATES THE LEVEL !aT WHICH NON-COlaSTlaL PLAIN MATERIAL WOULO YIELO SPT REFUSAL.
SPT REFUSlaL IS PENETRATION BY !a SPLIT SPOON SAMPLER EOUlaL TO OR LESS THAN O.IFOOT PER 60 BLOWS. AOUIFER - Fa WATER BEARING FORMfaT10N OR STRATA.
IN NON�COAS7laL PLAIN MATERIAL. THE TRANSITION BETWEEN SOIL ANO ROLK IS OF7EN REPRESENTEO BY A ZONE pRENlaCE0U5 - APPlIEO TO ROCKS THfaT HfaVE BEEN OERIVEO FROM SlaN� OR THA7 CONTAIN SANO.
OF WEaTHERE� ROCK.
ROLK MfaTER1aLS PRE TYPICRLLY DIVIDED !aS FOLLOWS: ARGILLACEOUS - APPLIEO TO laLL ROCKS OR SUBSTANCES COMPOSED OF CLIaY MINERfaLS,
WEATHERE� NON-COASTAL PLAIN MlaTER1AL THAT WOULO YIELD SPT N VlaLUES > 100 OR HlaVING !a NOTlaBLE PROPORTION OF CLAY IN THEIR COMPOSITION.faS SHALE.SLATE.ETC.
ROCK (WR) BLOWS PER FOOT IF TESTED. ARTESIAN - GROUN� WATER THfaT IS UNOER SUFFICIENT PRESSURE 70 RISE laBOVE THE LEVEL
i. i FINE TO COaRSE GRAIN IGNEOUS faND METAMORPHIC ROCK THA7 AT WHICH IT IS ENCOUNTEPEO.BUT WHICH OOES NOT NECESSlaRILY RISE TO OR laBOVE THE
CRYSTALLINE WOULD YIELO SPT REFUSRL IF TESTEO. AOCK TYPE INCLUDE$ GRRNITE. GROUNO SURFlaCE.
ROCK (CRI �� i�� i GNEI55. Gla88R0. SCHIST, ETC. CALCAREOUS (CALC.1 - SOILS THRT CDNTRIN RPPRECIABLE AMOUNTS OF CALCIUM CARBONATE.
FINE TO COfaRSE GRAIN METAMORPHIC ANO NON-COfaSTAL PLAIN
NON-CRYSTALLINE — -- $EDIMENTRRY ROCK THqT WDU�D YEILD $P7 REFUSRI IF TESTEO. ROCK TYPE COLLUVNM - ROCK FRlaGMENTS MIXED WITH SOIL OEPOSITED BY GRAVITY ON SLOPE OR AT BOTTOM
ROCK (NCRI — INCLUOES PHYLLITE.SLlaTE.SANDSTONE,ETC. OF SLOPE.
COASTl1L PLAW COASTAL PLAIN SEOIMENTS CEMENTED WTO ROCK,BUT MAY NO7 YIELO CORE RECOVERY IREC.)- TOTPL LENGTH OF ALL MATERIAL RECOVERED IN THE CORE BPRREL DIVIDED BY TOTRL
SEDIMENTARY ROCK SPT REFUSAL. ROCK TYPE INCLUDES LIMESTONE,SANOSTONE,CEMENTEO LENGTH OF CORE RUN ANO EXPRESSEO AS A PERCENTAGE.
(CPI SHELL BEDS. ETL.
WEATHERING DIKE - A TABUTAR BODY OF IGNEOU$ ROCK THRT CUT$ PCROS$ THE STRUCTUPE OF (aDJACENT
ROCKS OR CUTS Mc1SSiVE ROCK.
FRESH ROCK FRESH,CRYSTlaLS BRIGHT,FEW JOINTS MlaY SHOW SLIGHT ST/a1NING.ROCK FINGS UNDER OIP - THE ANGLE !aT WHICH A STR/aTUM OR laNY PLlaNlaR FElTURE IS INCLINED FROM THE
HlaMMER IF CRYSTlaLLINE. NORIZONT/aL.
VERY SLIGHT ROCK GENERaLLY FRESH,JOINTS STa1NED,SOME JOINTS MaY SHOW THIN CLaY COaTINGS IF OPEN, DIP DIRECTION (OIP aZIMUTH)- THE OIRECTION OR BEaRING OF THE HORIZONTaL TRaCE OF
IV SL1.1 CRYSTaLS ON A BROKEN SPECIMEN FACE SHINE BRIGHTLY. ROCK RINGS UNOER HaMMER BLOWS IF THE LINE OF OIP,MEaSURED CLOCKWISE FROM NORTH.
OF !a CRYSTA(.LINE NlaTURE.
FAULT - A FRACTURE OR FRlaCTURE ZONE ALONG WHILH THERE HAS BEEN OISPLALEMENT OF THE
SLIGHT ROCK GENERALLY FRESH,JOINTS STAINEO laND DISCOLORfaTION ExTENDS INTO ROCK UP TO SfDES RELlaTIVE 70 ONE ANOTHER PARALLEL TO THE FRALTURE.
ISL1.1 1 INLH. OPEN JOINTS MAY CONTAIN CLIaY. IN GRANIT010 ROCKS SOME OLClaSIONAL FELOSPAR
CRYSTALS ARE �ULL ANO OISCOLORED. CRYSTALLINE ROCKS RING UNOER HAMMER BLOWS. FISSILE - R PROPERTY OF SPLITTING RLONG CLOSELY SPACED PPRALLEL PLPNES.
MODERaTE SIGNIFICaNT PORiIONS OF ROCK SHOW �ISCOLORaTION aND WEaTHERING EFFECTS. IN FLORT - ROLK FRAGMENTS ON SURFACE NEAR THEIR ORIGiNAL POSITION ANO DISLODGED FROM
(MOD.1 GRaNIT01D ROCKS,MOST FELDSPARS aRE DULL aN� OISCOLORED,SOME SHOW CLaY. ROCK HAS PpRENT MPTERIRL.
OULL SOUND UNDER HaMMER BLOWS aND SHOWS SIGNIFICaNT LOSS OF STRENGTH aS COMPaRED
WITH FRESH ROCK. FL000 PLAIN (FP)- LaNO BOROERING a STREAM,BUILT OF SEOIMENTS DEPOSITED BY
THE STREAM.
MODERaTELY ALL ROCK EXCEPT OUARTZ OISLOLORE� OR STAINED. IN GRANIT010 ROLKS.ALL FELOSPARS �ULL
SEVERE ANO OISLOLOREO laNO A MAJORITY SHOW KAOLINIZr1T10N. POLK SHOWS SEVERE LO55 OF STRENGTH FORMRTION IFM.1- A Ml1PPPBLE GEOLOGIL UNIT THRT LAN BE RECOGNIZED RND TRqCEO IN
(MOD. SEV.I ANO CFaN BE EXCAVfaTED WITH A GEOLOGIS7'S PILK. ROCK GIVES 'CLUNK' SOUNO WHEN STRUCK. THE FIELO.
IF TESTEO. WOULD YIELO SPT REFUSAL JOINT - FRRCTURE IN ROCK RLONG WHICH NO APPRECIABLE MOVEMENT HR$ OLCURRED.
SEVERE ALL ROCK EXCEPT OUaRTZ OISCOLORED OR STAINEO.ROCK FaBRIC CLEAR aND EVIOENT BUT REOUCED LEOGE -/a SHELF-LIKE RIOGE OR PROJECTION OF ROCK WHOSE THICKNE55 IS SMALL COMPfaREO TO
(SEv.) 1N STRENGTH TO STRONG SOIL. IN GRaNITOID ROCKS aLL FELDSPaRS ARE KaOLINiZEO TO SOME �TS LlaTERlaL EX7EN7.
EXTENT. SOME FRAGMENTS OF STRONG ROCK USUlaLLY REMla1N.
IF 7ESiE0 YIELOS SPT N VALUES ) 106 BPF IENS - q BODY OF SOIL OR ROCK THRT THIN$ OUT IN ONE OR MORE OIFECTIONS.
VERY SEVERE QlL ROCK E%CEPT OUARTZ 01SCOLORED DR STaINEO. ROCK FqBRIC ELEMENTS APE 01SCERNIBLE BUT MOTTLEO (MOT.1- IRREGULARLY MARKED WITH SPOTS OF OIFFERENT COLORS.MOTTLING IN
ry SEy,) THE MaSS IS EFFECTIVELv REOUCEO TO SOIL STaTUS.wITH ON�Y FRAGMENT$ OF $TRONG fiOCK SOILS USUALLY IN�ICATES POOR AERATION ANO LACK OF G000 ORla1NAGE.
REMRINING. SAPROLITE iS AN E%RMPLE OF R�CK WEATHEREO TO A OEGREE SUCH THAi ONLY MINOR PERCHED WAtER - waTER MaINTRINED a80vE THE NORMAL GROUND wRTER LEVEL BY THE PRESENCE OF 1N
VESTIGE$ OF THE OPIGINf+L ROCK FPBRIC REMAIN. lF TESTEO YfELOS SPT N VRLUES ( I0B BPF INTERVENING IMPERVIOUS $TRFlTUM,
COMPLETE RDCK REOUCEO TO $OIL. ROCK FABRIC NOT DISCERN18lE.OR DISCERN18lE ONLY IN SMPLI RND RESIOUAL fRESJ SOIL - SOIL FORMEO IN PLACE 8Y THE WEATHERING OF ROCK.
SCATTERED CONCENTRaT10N5. OUARTZ MaY BE PPESENT R$ OIKES OR $TRINGERS. SaPROLITE IS ROCK OUaLITY OESIGNaT10N IROD1- R MEaSURE OF ROCK OUaLITY DESCRIBEO BY TOTaL LENGTH OF
RLSO AN E%PMPLE. ROCK SEGMENTS EOUaL TO OR GREaTER THaN 4 INCHES OIVIDEO BY THE TOTaL LENGTH OF CORE RUN ANO
ROCK HARDNESS EXPPESSED AS a PERCENTAGE.
VERY HARD LANNOT BE SLRATCHED BY KNfFE OR SHfaRP PICK. BREAKING OF HANO SPELiMENS REOUIRES SF+PROLITE (SfaP.l- RESIOUAL SOIL THAT RETAINS THE PELIC STRULTURE OR FABflIL OF THE
SEVERAL HARO BLOWS OF THE GEOLOGIST'S PICK. PARENT ROCK.
SILL - AN INTRUSIVE B00Y OF IGNEOUS ROCK OF APPRO%IMaTELY UNIFOPM THICKNESS AND
HfaRD CAN BE SCRaTCHED BY KNIFE OR PICK ONLY WITH OIFFICULTY. HaPO HaMMER BLOWS REOUIRED RELATIVELY THIN COMPaflEO WITH ITS LaTERAL E%TENT,THAT HaS BEEN EMPLaCED PaRaLLEL
TO OETACH HaNO SPECIMEN. TO THE BEOOING OR SCHISTOSITY OF THE INTRUOED ROCKS.
MODERATELY CAN BE SCRRTCHED BY KNIFE OR PICK. GOUGES OR GRDOVES TO 025 INCHES DEEP CAN BE SLICKENSIOE - POLISHEO ANO STRIATED SURFACE THAT RESULTS FROM FRILTION ALONG A FfaULT OR
HPRD EXCAVRTED BY HRRO BLOW OF q GEOLOGIST'$ PICK. HANO $PECfMENS CaN BE OETACHED SLIP PLANE.
BY MODERRTE BLOWS.
MEDIUM LAN BE GROOVEO OR GOUGEO 0.05 1NLHE5 OEEP BY FIRM PRESSURE OF KNIFE OR PICK POfNT. STaNOaRD PENETRaT10N TEST (PENE1'RaTION RESISTaNCE1�SPT)- NUMBER DF BLOWS IN OA BPF)OF
HRRO CAN BE EXCAVATED IN SMPLL CHIPS TO PEILES IINCH MAXIMUM SIZE BY HARO BLOWS OF THE Q�40 LB.HAMMER FaLLING 30 INCHES REOUIRED TO PROOUCE A PENETRATION OF IFOOT INTO $OIL WITH
POINT OF fa GEOLOGIST'S PICK. A 2 INCH OU1510E OIPMETER SPLIT SPOON $PMPLER. SPT REFUSAL IS PENETRATION EOUPL TO OR LE$$
THaN 0.1 FDOT PER 60 BLOWS.
SOFT LAN BE GROVEO OR GOUGED RElaDILY BY KNIFE OR PILK. CPN BE EXLfaVc1TED IN FRAGMEN75 STRaia CORE RECOVERY ISRECJ- TOTaL LENGTH OF STRaTa MaTERIaL RECOVERED DIVIOEO BY TOTaL LENGTH
FROM CHIPS TO SEVERFaL INCHES IN SIZE 8V MOOERlaTE 8LOW5 OF P PICK POINT. SMALL. THIN
PIELES CAN BE BROKEN BY FINGEP PRESSURE. OF STRFaTUM RNO E%PRESSED AS F PERCENTPGE.
VERY CqN BE CaRVEO wITH KNIFE. CAN BE E%CPVATEO REPDILv W�TH POINT OF PICK. PIECE$ 1]NCH STRPTA flOLK OUliLITY DESIGNPTION (SRODI- R MEfaSURE OF ROLK OUPLITY DESLR18E0 BY
SOFT OR MORE IN tHICKNE$$ CaN BE BROKEN BY FINGER PRESSURE. CAN BE $CRaTCHED REa01LY BY TOTaL IENGiH OF ROCK SEGMENT$ WITHIN A$TRRTUM EOUaL TO OR GRERTER THAN 4 INCHE$ OIVIDED BY iHE
TOTAL LENGiH OF SiRATA ANO EXPRESSEO AS A PERCENiAGE.
FINGERNPIL.
FRACTURE SPACING BEODING TOPS01� (TS.1- SURFqCE $OILS USUALLI' CONTRINING ORG/1NIC MATTER.
TERM SPACING TERM THICKNESS gENCH MARK: See "NOTE"belOw.
VERY WIOE MORE THaN le FEET VERY THICK�Y BEDDED > 4 FEET
WIDE 3 TO 10 FEET THICKLY BEDDED 1.5 - 4 FEET
MODERATELY CLOSE I TO 3 FEET THINLY BEDDED 0.16 - 1.5 FEE7 ELEVATION: FT.
CLOSE 0.16 TD I FEET VERY THINIY BEODED 0.03 - 0.16 FEET
VERY CLOSE l.E$$ THI+N 0.16 FEET THICKLY LAMINATED 0.008 - 9.03 FEET NOTES:
THINLY LAM�NATEO <6.998 FEET Boring collar elevations derived using the TIN fiile
INDURATION 670042_LS_TNL_110810.tin
FOR SEDIMENTaRY ROCKS,INOURaT10N IS THE HaROENING OF THE MaTER1aL BY CEMENTING,HEaT,PRESSURE,ETC.
FRIABLE RUBBING WITH FINGER FREES NUMEROUS GRAINS; RS = ROd Sounding
GENTLE BLOW BY HaMMEP OISINTEGRaTES SaMPLE.
MOOERlaTELY INDURATED GRAINS CAN BE SEPlaRATED FROM SAMPLE WITH STEEL PROBE:
BREAK$ E/15ILY WHEN HIT WITH HAMMER.
INDURATEO GRfa1N5 ARE OIFFICULT TO SEPARATE WITH STEEL PROBE:
OIFFILULT TO BREAK WITH HAMMER.
EXTREMELY INOURlaTED SHPRP HPMMER BLOWS REOUIRED TO BREAK SAMPLE;
SAMPLE BRElaKS ALRO55 GRAINS.
REVISED 09/23/09

13 +00
Nc cRio
NAD 83/NSRS 2007
SITE PLA1�
Bridge 42, Orange
�
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N
n
O
O
�
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EB2-A
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County
X
X
X
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4
X
EB2-B
�
SB2-B
��
EBI-B R,�
i
2
BL-3
SCALE 30:1

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io
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Proposed End of
Footing (Upstream)
Proposed End of
Footing (Downstream)
580----------------------------------------------------------------------- - - --------------------- - -- - ---------- - 580 - -
-R-S ��_-�-----------------------------
� � �
570 _��
------------------ ----------------
%7T �'//`Pl
------�\
WY EMBANKMENT: �— — — -
�-ORANGE TO TAN.V.SOFT TO SOFT,
TY CLAY fA-7-5J and SANDY
_____ SILT fA-41�
------------------------------
WEATHERED ROCK:
fFELSIC METAVOLCANICI
7i7- 7Ti- /lT 7ir�177' �
CRYSTALUNE ROCK:
fFELSIC METAVOLCANICI
\
-�—� 4 � � —\ � � 570
E��f��-----« .-z- - - ---------------------------
'r =i7T �irTTr
56 0 ------------------------------------------------------------------------------------------------------------------------------------------------------------560---�
550
�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.
QA ALLW/AL: SILTY SAND fA-2-41
�

�
Proposed End of
Footing (Upstream)
Proposed End of
Footing (Downstream)
590 -------------------------------------------------------------------------------------------------------------------------------------------------------------- 590_�
EB2—�
EB2—B
5so------------------------------------------------------------------------------------------------------- RSB2 —B------------------------------5so_�
------��
570 _ _
T/�
RDWY EAIBANKA/ENT:
GRAY,LOOSE,SILTY SAND fA-2-4J,ORANGE,
�SOFT, SILTY CLAY (A-7-51 ond TAN.
0z�i� NARD.CLAYEY SILT fA-4J � �
- ----------------------------
WEATHERED ROCK: �ooi.zr
fFELSIC METAVOLCANICJ
� \�
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- � 3 ALLW/ALr
` � � ; 5/LTY SAND �A-2-4J
� � 570
--------- 47 - _ ,.�-_-_-_---------------------
�oio.�
"�/ =%%7
m �iT-�i�= „, - -
• ��r'%%� ���/ C STALL/NE ROCK:
fFELSIC METAVOLCANICJ
560 -------------------------------------------------------------------------------------------------------------------------------------------------------------- 560_�
_550------------------------------------------------------------------------------------------------------------------------------------------------------------- p�
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•Noie: C�ass sectfon cut us/ng Geopok olong the propased
cuNer�beN /ine./n/e�pre�ed siroilg�ophy was d�own belween cn
bo�Ings wlth both proJec/ed onlo the benl l(ne,

U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 6
� BORELOG REPORT
WBS 17BP.7.R.11 TIP N/A COUNTY ORANGE GEOLOGIST A. May, E.I.
SITE DESCRIPTION Bridge No. 42 over Creek on SR 1007 (Mebane Oaks Rd.) GROUND WTR (ft)
BORING NO. EB1-A STATION 11+g2 OFFSET 14 ft LT ALIGNMENT -L- 0 HR. Dry
COLLAR ELEV. 577.6 ft TOTAL DEPTH 12.8 ft NORTHING 831,279 EASTING 1,923,207 24 HR. 6.4
DRILL RIGIHAMMER EFF.IDATE SUM3359 CME-450 87% 07/22/2011 DRILL METHOD H.S. Augers HAMMER TYPE Automatic
DRILLER J. Bare START DATE 02/28/12 COMP. DATE 02/28/12 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
580
57�.6 GROUND SURFACE o.o
� � � - � � - � � - � � - � � � ROADWAY EMBANKMENT
575 � � � � � � � � � � � � � � � � � Red-orange, SILTY CLAY (A-7-5), Trace
Fine Sand
WOH WOH 1 � . . . . . . . . . . . . . . . W _
��. . . . . . . . . . - - ' - - '
570.8 6.8
570 �--- ----I — — — — WEATHERED ROCK
. . . . . . . . . . . . . . . . N - (Felsic Metavolcanic)
36 64/.3 . . . . . . . . . . . . . . l 6
. . . . . . . . . . . . . . 100/.8T =
565 . . . . . . . . . . . . . . . . = 564.8 12.8
60/0 60/o CRYSTALLINE ROCK
(Felsic Metavolcanic)
Boring Terminated with Standard
Penetration Test Refusal at Elevation 564.8
ft in Crystalline Rock (Felsic Metavolcanic)
Hard drilling starting at 6.8 ft interpreted as
Weathered Rock
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U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 7
� BORELOG REPORT
WBS 17BP.7.R.11 TIP N/A COUNTY ORANGE GEOLOGIST A. May, E.I.
SITE DESCRIPTION Bridge No. 42 over Creek on SR 1007 (Mebane Oaks Rd.) GROUND WTR (ft)
BORING NO. EB1-B STATION 11+g2 OFFSET 12 ft RT ALIGNMENT -L- 0 HR. Dry
COLLAR ELEV. 577.9 ft TOTAL DEPTH 13.1 ft NORTHING 831,281 EASTING 1,923,232 24 HR. 6.8
DRILL RIGIHAMMER EFF.IDATE SUM3359 CME-450 87% 07/22/2011 DRILL METHOD H.S. Augers HAMMER TYPE Automatic
DRILLER J. Bare START DATE 02/28/12 COMP. DATE 02/28/12 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
580
57�.9 GROUND SURFACE o.0
. . . . . . . . . . . . . . . ROADWAY EMBANKMENT
575 �' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' — Grayish Orangish Tan, SANDY SILT (A-4),
Trace Quartz Fragments, Clay, and Fine
� . . . . . . . . . . . . . . . . Roots
3 2 2 �� _._ . _ _. . _ _ . - _ _ . I W �� �[ 571 J 6.2
570 � I � I I { ° WEATHERED ROCK
i=
(Felsic Metavolcanic)
4 96/.2 . . . . . . . . . . . . . . jI ✓ -
. . . . . . . . . . . . - 100/.7T
. . . . . . . . . . . . . .
�..
565 . . . . . . . . . . . . . . . . 564.8 13.1
60/0 60/o CRYSTALLINE ROCK
(Felsic Metavolcanic)
Boring Terminated with Standard
Penetration Test Refusal at Elevation 564.8
ft in Crystalline Rock (Felsic Metavolcanic)
Hard drilling starting at 6.2 ft interpreted as
Weathered Rock
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U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 8
� BORELOG REPORT
WBS 17BP.7.R.11 TIP N/A COUNTY ORANGE GEOLOGIST A. May, E.I.
SITE DESCRIPTION Bridge No. 42 over Creek on SR 1007 (Mebane Oaks Rd.) GROUND WTR (ft)
BORING NO. EB2-A STATION 12+25 OFFSET 14 ft LT ALIGNMENT -L- 0 HR. Dry
COLLAR ELEV. 577.8 ft TOTAL DEPTH 13.9 ft NORTHING 831,322 EASTING 1,923,202 24 HR. 4.0
DRILL RIGIHAMMER EFF.IDATE SUM3359 CME-450 87% 07/22/2011 DRILL METHOD H.S. Augers HAMMER TYPE Automatic
DRILLER J. Bare START DATE 02/28/12 COMP. DATE 02/28/12 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
580
577.8 GROUND SURFACE o.o
. . . . . . . . . . . . . . . ROADWAY EMBANKMENT
575 �" ' ' ' " ' ' " ' ' " " ' ' ' ' Gray, SILTY F. to Med. SAND (A-2-4), With
— Organics
�° 573.5 4.3
1 2 1 f3 . . . . . . . . . . . . . . . W _ Orangish Red, SILTYCLAY (A-7-5), With
I_.-_ . . . . . . . . . . . . s��.o Organics s.s
570 T � —I I �; WEATHERED ROCK
� (Felsic Metavolcanic)
100/.4 . . . . . . . . . . . . . .100/.4� _
565 . . . . . . . . . . . . . . . . N �
' ' S64.0 13.8
60/.1 60/.1 CRYSTALLINE ROCK
(Felsic Metavolcanic)
Boring Terminated with Standard
Penetration Test Refusal at Elevation 563.9
ft in Crystalline Rock (Felsic Metavolcanic)
Hard drilling starting at 6.8 ft interpreted as
Weathered Rock
M
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U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 9
� BORELOG REPORT
WBS 17BP.7.R.11 TIP N/A COUNTY ORANGE GEOLOGIST A. May, E.I.
SITE DESCRIPTION Bridge No. 42 over Creek on SR 1007 (Mebane Oaks Rd.) GROUND WTR (ft)
BORING NO. EB2-B STATION 12+23 OFFSET 12 ft RT ALIGNMENT -L- 0 HR. Dry
COLLAR ELEV. 577.9 ft TOTAL DEPTH 10.6 ft NORTHING 831,322 EASTING 1,923,229 24 HR. Dry
DRILL RIGIHAMMER EFF.IDATE SUM3359 CME-450 87% 07/22/2011 DRILL METHOD H.S. Augers HAMMER TYPE Automatic
DRILLER J. Bare START DATE 02/28/12 COMP. DATE 02/28/12 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
580
57�.9 GROUND SURFACE o.0
. . . . . . . . . . . . . . ROADWAY EMBANKMENT
575 ' ' ' ' ' ' ' �' ' ' ' ' ' ' ' ' — Tan-Orange, CLAYEY SILT (A-4), Trace
Organics
4 14 29 . . . . . . .L3 --- --- M ; 573.1 a.s
— "' ` RESIDUAL
� � � � � � � � � ✓ Orange-Tan, Fine SANDY SILT (A-4),
570 � � � � � � � � � � � � � � � � � � � Saprolitic
100/.2 � � � � � � � � � � � � I � � 100/.2 ,i WEATHERED ROCK
' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' S6�.3 (Felsic Metavolcanic) 10.6
60/0 6oro CRYSTALLINE ROCK
(Felsic Metavolcanic)
Boring Terminated with Standard
Penetration Test Refusal at Elevation 567.3
ft in Crystalline Rock (Felsic Metavolcanic)
Hard drilling starting at 5.3 ft interpreted as
Weathered Rock
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U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 10
� BORELOG REPORT
WBS 17BP.7.R.11 TIP N/A COUNTY ORANGE GEOLOGIST J. Terry
SITE DESCRIPTION Bridge No. 42 over Creek on SR 1007 (Mebane Oaks Rd.) GROUND WTR (ft)
BORING NO. RSB1-B STATION 12+04 OFFSET 24 ft RT ALIGNMENT -L- 0 HR. N/A
COLLAR ELEV. 573.6 ft TOTAL DEPTH 3.7 ft NORTHING 831,304 EASTING 1,923,242 24 HR. N/A
DRILL RIGIHAMMER EFF.IDATE N/A DRILL METHOD Rotl Sountling HAMMER TYPE Automatic
DRILLER C. Husketh START DATE 09/24/13 COMP. DATE 09/24/13 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
575
570.8 CREEK BOTTOM o.o
570 n/a 3 1 i ! I I W e•°o °°� ALLUVIAL
n/a 2 12 � '�y14_ I _ -._ I . . . - I . . . . W °°°`��° 568.8 SILTY SAND (A-2-4) 2.0
n/a 43 39 � � � - � � � - � � — �- —J �g2 . . ,=� 56�.1 WEATHERED ROCK g �
n%a 50 30/0.2 8o/oz (Felsic Metavolcanic)
Boring Terminated at Elevation 567.1 ft in
Weathered Rock (Felsic Metavolcanic)
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U�� NCDOT GEOTECHN/CAL ENGINEERING UNIT SHEET 11
� BORELOG REPORT
WBS 17BP.7.R.11 TIP N/A COUNTY ORANGE GEOLOGIST J. Terry
SITE DESCRIPTION Bridge No. 42 over Creek on SR 1007 (Mebane Oaks Rd.) GROUND WTR (ft)
BORING NO. RSB2-B STATION 12+10 OFFSET 24 ft RT ALIGNMENT -L- 0 HR. N/A
COLLAR ELEV. 573.5 ft TOTAL DEPTH 4.4 ft NORTHING 831,312 EASTING 192,342 24 HR. N/A
DRILL RIGIHAMMER EFF.IDATE N/A DRILL METHOD Rotl Sountling HAMMER TYPE Automatic
DRILLER C. Husketh START DATE 09/24/13 COMP. DATE 09/24/13 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
575
5�0.9 CREEK BOTTOM o.o
570 n/a 1 2 I 3 I I i I ALLUVIAL
n%a 2 1 3 . . . . . . . . . . . . . . . SILTY SAND (A-2-4)
n/a 2 6 tig .. . . . . . . . . . . . . . e 567.4 3.5
n%a 19 28 - � - — � �47- = = _ 566.5 WEATHERED ROCK 4.a
n/a 70/0.4 70/0.4 (Felsic Metavolcanic)
Boring Terminated at Elevation 566.5 ft in
Weathered Rock (Felsic Metavolcanic)
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