DK00430 50718.3.1-BRIDGE 000343 ON SR 1606 (DOUBLE SPRINGS CHURCH ROAD) OVER CRANBERRY CREEK IN ASHE COUNTY

Location: North Carolina
Posted: Mar 26, 2026
Due: Apr 16, 2026
Agency: Division of Highways
Type of Government: State & Local
Category:
  • Y - Construction of Structures and Facilities
Publication URL: To access bid details, please log in.
  • DK00430
    50718.3.1-BRIDGE 000343 ON SR 1606 (DOUBLE SPRINGS CHURCH ROAD) OVER CRANBERRY CREEK IN ASHE COUNTY
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    8400-BH:ECNEREFER 81705:TCEJORP STATE OF NORTH CAROLINA N.C. 1 HB-0048 DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYS CAUTION NOTICE CONTENTS GEOTECHNICAL ENGINEERING UNIT THE SUBSURFACE INFORMATION AND THE SUBSURFACE INVESTIGATION ON WHICH IT IS BASED WERE SHEET NO. DESCRIPTION MADE FOR THE PURPOSE OF STUDY, PLANNING AND DESIGN, AND NOT FOR CONSTRUCTION OR PAY PURPOSES. THE VARIOUS FIELD BORING LOGS, ROCK CORES AND SOIL TEST DATA AVAILABLE MAY 1 TITLE SHEET STRUCTURE G BE E O R T E E V C IE H W N E IC D A O L R E I N N G S I P N E E C E T R E I D N G IN U R N A IT L E A IG T H (9 B 19 Y ) 7 C 0 O 7 N -6 T 8 A 50 C . T T IN H G E T S H U E B S N U . R C F . A DE C P E A P R L T A M N E S N A T N O D F R T E R P A O N R S T P S O , R FI T E A L T D ION, 2 LEGEND (SOIL & ROCK) BORING LOGS, ROCK CORES AND SOIL TEST DATA ARE NOT PART OF THE CONTRACT. 2A SUPPLEMENTAL LEGEND (GSI) GENERAL SOIL AND ROCK STRATA DESCRIPTIONS AND INDICATED BOUNDARIES ARE BASED ON A 3 SITE PLAN SUBSURFACE INVESTIGATION GEOTECHNICAL INTERPRETATION OF ALL AVAILABLE SUBSURFACE DATA AND MAY NOT NECESSARILY REFLECT THE ACTUAL SUBSURFACE CONDITIONS BETWEEN BORINGS OR BETWEEN SAMPLED STRATA 4-11 BORE LOG(S) & CORE REPORT(S) WITH WITHIN THE BOREHOLE. THE LABORATORY SAMPLE DATA AND THE IN SITU (IN-PLACE) TEST DATA CORE PHOTOGRAPHS CAN BE RELIED ON ONLY TO THE DEGREE OF RELIABILITY INHERENT IN THE STANDARD TEST METHOD. THE OBSERVED WATER LEVELS OR SOIL MOISTURE CONDITIONS INDICATED IN THE SUBSURFACE 12 SITE PHOTOGRAPH(S) INVESTIGATIONS ARE AS RECORDED AT THE TIME OF THE INVESTIGATION. THESE WATER LEVELS OR ASHE S O IL M O I S TU R E C O N D I T IO N S M A Y V A R Y C O N S ID E R AB L Y W IT H T IM E A C C O R D I N G T O C L IM A T IC CO N D IT I ONS COUNTY I N C L U D I N G T E M P E R A T U R ES , PR E C IP I TA T I O N A N D W IN D , AS W E L L A S O T H E R N O N - C L I M A TI C F A CT O R S . PROJECT DESCRIPTION BRIDGE 343 ON SR 1606 T H E B ID D ER O R C O N TR A C T O R I S C A U T I O N E D T H A T D E T A IL S S H O W N O N T H E S U B SU R F A CE P L A N S A RE P R E L IM I NA R Y O N L Y A N D I N M A N Y C A S E S T H E F IN A L D E S IG N D E T A IL S A R E D IF F E RE N T. FO R B ID D I N G (DOUBLE SPRINGS CHURCH ROAD) OVER AND CONSTRUCTION PURPOSES, REFER TO THE CONSTRUCTION PLANS AND DOCUMENTS FOR FINAL DESIGN INFORMATION ON THIS PROJECT. THE DEPARTMENT DOES NOT WARRANT OR GUARANTEE THE SUFFICIENCY OR ACCURACY OF THE INVESTIGATION MADE, NOR THE INTERPRETATIONS MADE, OR CRANBERRY CREEK OPINION OF THE DEPARTMENT AS TO THE TYPE OF MATERIALS AND CONDITIONS TO BE ENCOUNTERED. THE BIDDER OR CONTRACTOR IS CAUTIONED TO MAKE SUCH INDEPENDENT SUBSURFACE INVESTIGATIONS AS HE DEEMS NECESSARY TO SATISFY HIMSELF AS TO CONDITIONS TO BE ENCOUNTERED ON THE PR O JE C T . TH E C O N T R A C T O R S H A L L H A V E N O C LA I M F O R A D D IT I O N A L C O M P E N S A T I O N O R F O R A N E X TE N S IO N O F T IM E F O R A N Y R E A S O N R E S U LT IN G F R O M T H E A C T U A L C O N D I T IO N S E N C O U N T E R E D AT THE SITE DIFFERING FROM THOSE INDICATED IN THE SUBSURFACE INFORMATION. NOTES: 1. THE INFORMATION CONTAINED HEREIN IS NOT IMPLIED OR GUARANTEED BY THE N. C. DEPARTMENT OF TRANSPORTATION AS ACCURATE NOR IS IT CONSIDERED PART OF THE PLANS, SPECIFICATIONS OR CONTRACT FOR THE PROJECT. 2. BY HAVING REQUESTED THIS INFORMATION, THE CONTRACTOR SPECIFICALLY WAIVES ANY CLAIMS FOR INCREASED COMPENSATION OR EXTENSION OF TIME BASED ON DIFFERENCES BETWEEN THE CONDITIONS INDICATED HEREIN AND THE ACTUAL CONDITIONS AT THE PROJECT SITE. PERSONNEL K. HAVEN M. G. MOSELEY J. MOSELEY A. GROSS, PG SUMMIT DES INVESTIGATED BY M. LEAR, PG DRAWN BY A. GROSS, PG CHECKED BY M. LEAR, PG SUBMITTED BY JULY, 2025 DATE Prepared in the Office of: 320 Executive Court Hillsborough, NC 27278-8551 Voice: (919) 732-3883 Fax: (919) 732-6776 www.summitde.com FIRM NO. C-5176 and C-487 RTHCARO L O IN N LICENSE A D SEAL 1927 M I C G EO L OG I S T R H A E L B L E A 07/25/2025 SIGNATURE DATE DOCUMENT NOT CONSIDERED FINAL UNLESS ALL SIGNATURES COMPLETED
    repared in the Office of: 320 Executive Court Hillsborough, NC 27278-8551 Voice: (919) 732-3883 Fax: (919) 732-6776 www.summitde.com NO. C-5176 and C-487
    RTHCARO L O IN N LICENSE A D SEAL 1927 I C G EO L OG I S T R H A E L B L E A 07/25/2025 NATURE DATE
    NT NOT CONSIDERED FINAL LL SIGNATURES COMPLETED

    8400-BH:ECNEREFER
    COUNTY
    PROJECT DESCRIPTION
    81705:TCEJORP
    STATE STATE PROJECT REFERENCE NO. SH N E O ET . S T H O E T E A T L S
    STATE OF NORTH CAROLINA N.C. 1
    HB-0048
    DEPARTMENT OF TRANSPORTATION
    DIVISION OF HIGHWAYS
    CAUTION NOTICE
    CONTENTS GEOTECHNICAL ENGINEERING UNIT
    THE SUBSURFACE INFORMATION AND THE SUBSURFACE INVESTIGATION ON WHICH IT IS BASED WERE
    SHEET NO. DESCRIPTION MADE FOR THE PURPOSE OF STUDY, PLANNING AND DESIGN, AND NOT FOR CONSTRUCTION OR PAY
    PURPOSES. THE VARIOUS FIELD BORING LOGS, ROCK CORES AND SOIL TEST DATA AVAILABLE MAY
    1 TITLE SHEET STRUCTURE G BE E O R T E E V C IE H W N E IC D A O L R E I N N G S I P N E E C E T R E I D N G IN U R N A IT L E A IG T H (9 B 19 Y ) 7 C 0 O 7 N -6 T 8 A 50 C . T T IN H G E T S H U E B S N U . R C F . A DE C P E A P R L T A M N E S N A T N O D F R T E R P A O N R S T P S O , R FI T E A L T D ION,
    2 LEGEND (SOIL & ROCK) BORING LOGS, ROCK CORES AND SOIL TEST DATA ARE NOT PART OF THE CONTRACT.
    2A SUPPLEMENTAL LEGEND (GSI)
    GENERAL SOIL AND ROCK STRATA DESCRIPTIONS AND INDICATED BOUNDARIES ARE BASED ON A
    3 SITE PLAN SUBSURFACE INVESTIGATION GEOTECHNICAL INTERPRETATION OF ALL AVAILABLE SUBSURFACE DATA AND MAY NOT NECESSARILY
    REFLECT THE ACTUAL SUBSURFACE CONDITIONS BETWEEN BORINGS OR BETWEEN SAMPLED STRATA
    4-11 BORE LOG(S) & CORE REPORT(S) WITH WITHIN THE BOREHOLE. THE LABORATORY SAMPLE DATA AND THE IN SITU (IN-PLACE) TEST DATA
    CORE PHOTOGRAPHS CAN BE RELIED ON ONLY TO THE DEGREE OF RELIABILITY INHERENT IN THE STANDARD TEST METHOD.
    THE OBSERVED WATER LEVELS OR SOIL MOISTURE CONDITIONS INDICATED IN THE SUBSURFACE
    12 SITE PHOTOGRAPH(S) INVESTIGATIONS ARE AS RECORDED AT THE TIME OF THE INVESTIGATION. THESE WATER LEVELS OR
    ASHE SOIL MOISTURE CONDITIONS MAY VARY CONSIDERABLY WITH TIME ACCORDING TO CLIMATIC CONDITIONS
    INCLUDING TEMPERATURES, PRECIPITATION AND WIND, AS WELL AS OTHER NON-CLIMATIC FACTORS.
    BRIDGE 343 ON SR 1606
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    (DOUBLE SPRINGS CHURCH ROAD) OVER AND CONSTRUCTION PURPOSES, REFER TO THE CONSTRUCTION PLANS AND DOCUMENTS FOR FINAL
    DESIGN INFORMATION ON THIS PROJECT. THE DEPARTMENT DOES NOT WARRANT OR GUARANTEE THE
    SUFFICIENCY OR ACCURACY OF THE INVESTIGATION MADE, NOR THE INTERPRETATIONS MADE, OR
    CRANBERRY CREEK OPINION OF THE DEPARTMENT AS TO THE TYPE OF MATERIALS AND CONDITIONS TO BE ENCOUNTERED.
    THE BIDDER OR CONTRACTOR IS CAUTIONED TO MAKE SUCH INDEPENDENT SUBSURFACE INVESTIGATIONS
    AS HE DEEMS NECESSARY TO SATISFY HIMSELF AS TO CONDITIONS TO BE ENCOUNTERED ON THE
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    THE SITE DIFFERING FROM THOSE INDICATED IN THE SUBSURFACE INFORMATION.
    NOTES:
    1. THE INFORMATION CONTAINED HEREIN IS NOT IMPLIED OR GUARANTEED BY THE N. C. DEPARTMENT
    OF TRANSPORTATION AS ACCURATE NOR IS IT CONSIDERED PART OF THE PLANS, SPECIFICATIONS
    OR CONTRACT FOR THE PROJECT.
    2. BY HAVING REQUESTED THIS INFORMATION, THE CONTRACTOR SPECIFICALLY WAIVES ANY CLAIMS
    FOR INCREASED COMPENSATION OR EXTENSION OF TIME BASED ON DIFFERENCES BETWEEN THE
    CONDITIONS INDICATED HEREIN AND THE ACTUAL CONDITIONS AT THE PROJECT SITE.
    PERSONNEL
    K. HAVEN
    M. G. MOSELEY
    J. MOSELEY
    A. GROSS, PG
    SUMMIT DES
    INVESTIGATED BY
    M. LEAR, PG
    DRAWN BY
    A. GROSS, PG
    CHECKED BY
    M. LEAR, PG
    SUBMITTED BY
    JULY, 2025
    DATE
    Prepared in the Office of:
    320 Executive Court
    Hillsborough, NC 27278-8551
    Voice: (919) 732-3883
    Fax: (919) 732-6776
    www.summitde.com
    FIRM NO. C-5176 and C-487
    RTHCARO
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    LICENSE
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    IN
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    SEAL
    1927
    M I C
    H A
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    07/25/2025
    SIGNATURE DATE
    DOCUMENT NOT CONSIDERED FINAL
    UNLESS ALL SIGNATURES COMPLETED

    PROJECT REFERENCE NO. SHEET NO. HB-0048 2 NORTH CAROLINA DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYS GEOTECHNICAL ENGINEERING UNIT SUBSURFACE INVESTIGATION SOIL AND ROCK LEGEND, TERMS, SYMBOLS, AND ABBREVIATIONS SCRIPTION GRADATION ROCK DESCRIPTION TERMS AND DEFINITIONS OLIDATED, OR WEATHERED EARTH MATERIALS THAT CAN WELL GRADED - INDICATES A GOOD REPRESENTATION OF PARTICLE SIZES FROM FINE TO COARSE. HARD ROCK IS NON-COASTAL PLAIN MATERIAL THAT WOULD YIELD SPT REFUSAL IF TESTED. AN INFERRED ALLUVIUM (ALLUV.) - SOILS THAT HAVE BEEN TRANSPORTED BY WATER. ER AUGER AND YIELD LESS THAN 100 BLOWS PER FOOT UNIFORMLY GRADED - INDICATES THAT SOIL PARTICLES ARE ALL APPROXIMATELY THE SAME SIZE. ROCK LINE INDICATES THE LEVEL AT WHICH NON-COASTAL PLAIN MATERIAL WOULD YIELD SPT REFUSAL. O S C T C R L ( I A A P A T SS I S O I H F N I T C S O A G T T E I 2 N O 0 E N 6 R , , A A A N S L T D L M Y O I T D N H 1 C E 5 L 8 R U 6 P ) D . E E R S O T T I I H N L E E C N F L O T A L F S L A S O C IF W T I O C IN R A G S T : I S O U N CH GAP-GRADED - INDICATES A MIX A T N UR G E U O L F U A N R IF I O T R Y M O PA F R G TI R CL A E I S N IZ S ES OF TWO OR MORE SIZES. S B R P E L T P O R R W E E S S F E I U N N S T N A E O L D N I B S - Y C P O E A A N Z S E O T T N A R E L A O T P F L IO A W N I E N B A M Y TH A A E T R S E P E R L D I I A T R L O S , C P T O K H . O E N T R SA A M NS P I L T E IO R N E Q B U ET A W L E T E O N O S R O L IL E S A S N T D H R A O N C 0 K .1 I S F O O O F T TE P N ER 60 A AQ RE U N IF A E C R E - O A U W S - A A T P E P R L B IE E D A R TO IN R G O F C O K R S M T A H T A IO T N H A O V R E S T B R E A EN TA D . ERIVED FROM SAND OR THAT CONTAIN SAND. ITY, STRUCTURE, PLASTICITY, ETC. FOR EXAMPLE, ROCK MATERIALS ARE TYPICALLY DIVIDED AS FOLLOWS: ARGILLACEOUS - APPLIED TO ALL ROCKS OR SUBSTANCES COMPOSED OF CLAY MINERALS, OR HAVING ERBEDDED FINE SAND LAYERS, HIGHLY PLASTIC, A-7-6 T A H NG E U A L N A G R U , S L U A B R A I N T G Y U O LA R R R , O SU U B N R D O N U E N S D S E D O , F O S R O R I O L U G N R D A E I D N . S IS DESIGNATED BY THE TERMS: WEATHERED NON-COASTAL PLAIN MATERIAL THAT WOULD YIELD SPT N VALUES > A NOTABLE PROPORTION OF CLAY IN THEIR COMPOSITION, SUCH AS SHALE, SLATE, ETC. ASHTO CLASSIFICATION ROCK (WR) 100 BLOWS PER FOOT IF TESTED. ARTESIAN - GROUND WATER THAT IS UNDER SUFFICIENT PRESSURE TO RISE ABOVE THE LEVEL AT A ( - S 4 I L T 3 - 5 C % A L A - P 5 Y A M SS A I A T N - E 6 G R I # A 2 L 0 A A A S 0 - - 7 7 ) - - - 7 6 5, A- A 1, - A 3 -2 ORGAN A A IC - - 4 6 M , , A A AT - - 7 5 ERIALS M AR IN E E U R S A E S L D L N I G I A N H M D T E L E S Y S M S C C U R O I C I N M P H T P E A I R O R S E N C S Q A S S U O L I W B A O M L R H E T G E P Z N I , R C F T E E H A L S E D L Y S S I P C A B A R O R I E , L M M C I O P T IC N O Y A S , S I T D I A E T L R I C E O L , D L K N O A < F O 3 L S 1 I I N G , N E I T F C IC . ANCE. R C R N R O O O Y N C C S - K K C T R ( A ( N C Y L C R S L R ) T IN A ) E LLINE G W F R S FI I E O N N N O D C E E E U I I K M S L T T S T O O D E , Y N G C C Y P T A O O I E E A B A A I L R B N R R D Y R C S S O E E S L R P , U G G O S T D R R C C R E A A K H S E I I I N N T F S P H U T H M I , G A S Y E E A N T L T T L E L W C A O I I . M T F O U E O U T S , R E L S A P S L D N H T A D Y E I T C E D E M I A , . L E S N R D T A D O A N S C M P N D K T O O S T N R R T O E - Y P C H N F P O U I E E C A S , I E S A R N T T O L C A C C L I . L F K U P T D T L E E H A S S A I T N G T E R D A . NITE, O C C S W U A O F H R L L I S F C C L L A A U H O C R V I P E T E I E U . O I . M S U E S - N ( R C C O A O C L U K C N . F ) T R - E S A R O G E I M D LS , E B N T U H T T A S W T M C H IX O IC E N H D T A D W I O N IT E A H S P N S P O O R I T E L C N D I E A E C B P E L O S E S S I A A T M E R D I O L U B Y N Y R T G I S S R E O A T F V O C I T A O Y L R C O A I N U B M O SL V C O E A P T R E H B O E O R N G A A R T T O E U B . N O D TTOM MODERATELY COMPRESSIBLE LL = 31 - 50 COASTAL PLAIN COASTAL PLAIN SEDIMENTS CEMENTED INTO ROCK, BUT MAY NOT YIELD CORE RECOVERY (REC.) - TOTAL LENGTH OF ALL MATERIAL RECOVERED IN THE CORE BARREL DIVIDED HIGHLY COMPRESSIBLE LL > 50 SEDIMENTARY ROCK SPT REFUSAL. ROCK TYPE INCLUDES LIMESTONE, SANDSTONE, CEMENTED BY TOTAL LENGTH OF CORE RUN AND EXPRESSED AS A PERCENTAGE. GRANULAR S C I L L A T Y - MUCK, PERCENTAGE OF MATERIAL (CP) SHELL BED W S, E E A TC T . HERING DIKE - A TABULAR BODY OF IGNEOUS ROCK THAT CUTS ACROSS THE STRUCTURE OF ADJACENT SOILS SOILS PEAT GRANULAR SILT - CLAY ROCKS OR CUTS MASSIVE ROCK. 36 MN 36 MN36 MN36 MN ORGANIC MATERIAL SOILS SOILS OTHER MATERIAL FRESH ROCK FRESH, CRYSTALS BRIGHT, FEW JOINTS MAY SHOW SLIGHT STAINING. ROCK RINGS UNDER TRACE OF ORGANIC MATTER 2 - 3% 3 - 5% TRACE 1 - 10% HAMMER IF CRYSTALLINE. DIP - THE ANGLE AT WHICH A STRATUM OR ANY PLANAR FEATURE IS INCLINED FROM THE 4 1 0 0 M MX X 1 4 0 1 M MN X 4 1 0 1 M MN X 4 1 1 1 M MN N S L M O I O T IL D T S E L R W E A I O T T E R H HIGHLY H M LI I O T G D T H L E L R E Y A O O T R R E G G LY A A N N O I I R C C G M AN A I T C TER 5 3 > - - 1 1 0 5 0 % % % 1 5 2 > - - 2 1 0 2 2 % 0 % % H S L O I IG T M T H E L LY E 3 2 1 5 0 0 % - - A 2 3 N 0 5 % D % ABOVE ( V V E R S Y L I S .) LIGHT O C R R O F Y C A S K C T G R A E Y L N S S E T O R A N A L A L L I L B N Y R E O F N R K A E E T S N H U S , R P J E O E . C IN IM TS E N ST F A A I C N E E D SH , S IN O E M B E R J I O G I H N T T L S Y M . A R Y O C SH K O R W IN T G H S I U N N C D L E A R Y H C A O M A M TI E N R G B S L I O F W OP S E IF N , H L D I O I N P R E D I Z O I O R F N E D C T I A T P L I , O . M N E ( A D S I U P R A E Z D IM C U LO TH C ) K - W T I H S E E D FR IR O E M C T N I O O R N T O H R . BEARING OF THE HORIZONTAL TRACE OF THE 8 MX 12 MX 16 MXNO MX AM O O R U G N AN TS IC OF O S R O GA IL N S IC WATER LEVE G L R IN O B U O N RE D H O W L A E I T M E M R EDIATELY AFTER DRILLING ( S S L L IG I H .) T 1 R O IN C C K H G . E O N P E E R N A J L O L IN Y T F S R M ES A H Y , C JO O I N N T T A S I S N T C A L IN A E Y D . A IN N G D R D A I N SC IT O O L I O D R R A O T C IO K N S S E O X M TE E N O D C S C I A N S T I O ON R A O L C F K E U L P D S T P O A R S FA ID U E L S T R - E A L A FR T A IV C E T T U O R E O O N R E F A R N A O C T T H U E R R E P Z A O R N A E L A LE L L O N TO G T W H H E I C F H R A T C H T E U R R E E H . AS BEEN DISPLACEMENT OF THE SILTY CLAYEY MATTER CRYSTALS ARE DULL AND DISCOLORED. CRYSTALLINE ROCKS RING UNDER HAMMER BLOWS. FISSILE - A PROPERTY OF SPLITTING ALONG CLOSELY SPACED PARALLEL PLANES. SOILS SOILS STATIC WATER LEVEL AFTER2 4 HOURS MODERATE SIGNIFICANT PORTIONS OF ROCK SHOW DISCOLORATION AND WEATHERING EFFECTS. IN FLOAT - ROCK FRAGMENTS ON SURFACE NEAR THEIR ORIGiNAL POSITION AND DISLODGED FROM FAIR TO POOR FA PO IR O R TO POOR UNSUITABLE PW S PE P R R C IN H G ED O W R A S T E E E R P , SATURATED ZONE, OR WATER BEARING STRATA (MOD.) W D GR U IT A L H L N I S F T O R O U E ID S N H D R R O U O C N K C D K S E , . R M H O A ST M F M E E L R D B SP L A O R W S S A A R N E D D S U H L O L W A S N D SI G D N IS I C F O IC L A O N R T E D LO , S S O S M O E F S S H TR O E W N C G L T A H Y A . S R C O O C M K P H A A R S E D F PA LO RE O N D T P M LA A I T N E R (F I P A ) L - . LAND BORDERING A STREAM, BUILT OF SEDIMENTS DEPOSITED BY THE STREAM. 30 ; PI OF A-7-6 SUBGROUP IS LL - 30 MODERATELY ALL ROCK EXCEPT QUARTZ DISCOLORED OR STAINED. IN GRANITOID ROCKS, ALL FELDSPARS DULL FORMATION (FM.) - A MAPPABLE GEOLOGIC UNIT THAT CAN BE RECOGNIZED AND TRACED IN THE Y OR DENSENESS MISCELLANEOUS SYMBOLS SEVERE AND DISCOLORED AND A MAJORITY SHOW KAOLINIZATION. ROCK SHOWS SEVERE LOSS OF STRENGTH FIELD. PEN R E A T N R G A E (N T O I - O V F N A S L T R A U E N E S ) I D S A T R E D NCE C R O A M N P G R E ( E T O S O S F I N U V S N E / C S F O T T2 R N ) E F N IN G E T D H L L L W RO IT A H D W SO A I Y L E D M E B S A C N R K IP M T E IO N N T (RE) 25/025 O D F IP R & O C D K IP S D TR IR U E C C T T U I R O E N S S (M EV O E D R . E SEV.) A I A F N L T L D E R C S O T A C E N D K B , E E W X E O C X U E C P L A T D V Q Y A U I T E A E L R D D T W Z S P I D T T I H S R C A E O F G L U E O S O R A L E L O D G O IS R T ' S S T P A IC IN K E . D R . O R C O K C G K I V FA ES B R "C IC L U C N L K E " A S R O A U N N D D E W V H ID E E N N S T T R B U U C T K . J I L T O E S I D N L G T A E - T F - E R A R A A S C H L T E U E L X R F E T -L E I I N N K T R E . O R C ID K G A E L O ON R G P R W O H J I E C C H T I N O O N A O P F P R R E O C C I K A B W L H E O M S O E V T E H M IC E K NT N E H S A S S I O S C S C M U A R L R L E C D O . MPARED TO 1 4 0 T < T O O 4 1 3 0 0 N/A SOIL SYMBOL S D V P S P T T TD PM M T T TEST BORING I S N L S O T P A E L I L N A D T I I C O A N TOR (SEV.) T R IF O E T D S E U O S C M T E E E D D E I , X N W T S E O T N U R T E L . N D S G O Y T M I H E E L T F D O R S S A P T G T R M O N E N N V G T A S S L O O U I F L E . S S T I > N R 1 O G 0 N R 0 G A B N R P I O F T C O K ID U R S O UA CK LL S Y A R LL E M FE A L IN D . SPARS ARE KAOLINIZED L M E O N T S T L - E A D B ( O M D O Y T .) O - F I R S R O E IL G U O L R A R R O L C Y K M T A H R A K T E D T H W I I N T S H O S U PO T T I S N O O F N D E I F O F R E R M E O N R T E C O D L IR O E R C S T . I M O O N T S T . LING IN SOILS ERENCE NO. SHEET NO.
    0048 2
    30 TO 50 > 50 < 2 < 0.25 2 TO 4 0.25 TO 0.5 4 TO 8 0.5 TO 1.0 8 TO 15 1 TO 2 15 TO 30 2 TO 4 > 30 > 4 R GRAIN SIZE 40 60 200 270 0.42 0.25 0.07 5 0.053 COARSE FINE SILT CLAY SAND SAND (SL.) (CL.) (CSE. SD.) (F SD.) 0.25 0.05 0.005 RRELATION OF TERMS STURE GUIDE FOR FIELD MOISTURE DESCRIPTION TION TED - USUALLY LIQUID; VERY WET, USUALLY FROM BELOW THE GROUND WATER TABLE SEMISOLID; REQUIRES DRYING TO W) ATTAIN OPTIMUM MOISTURE (M) SOLID; AT OR NEAR OPTIMUM MOISTURE REQUIRES ADDITIONAL WATER TO D) ATTAIN OPTIMUM MOISTURE STICITY CITY INDEX (PI) DRY STRENGTH 0-5 VERY LOW 6-15 SLIGHT 16-25 MEDIUM OR MORE HIGH OLOR MBINATIONS (TAN, RED, YELLOW-BROWN, BLUE-GRAY). ED, ETC. ARE USED TO DESCRIBE APPEARANCE. T A H R A T N IF R IC O I A A D L W F A I Y L L E M (A B F A ) N O K T M H E E N R T AUGER BORING T C E O S N T E PENETROMETER INFERRED SOIL BOUNDARY CORE BORING SOUNDING ROD INFERRED ROCK LINE MW MONITORING WELL W TE I S T T H B C O O R R IN E G ALLUVIAL SOIL BOUNDARY I P N IE S Z T O A M LL E A T T E I R ON SPT N-VALUE RECOMMENDATION SYMBOLS UNDERCUT U UN N S C U L I A T S A S B I L F E IE W D A E S X T C E AVATION - U A N CC C E L P A T S A SI B F L IE E D , B E U X T C N A O V T A T T I O O N B E - SHALLOW UNCLASSIFIED EXCAVATION - USED IN THE TOP 3 FEET OF UNDERCUT ACCEPTABLE DEGRADABLE ROCK EMBANKMENT OR BACKFILL ABBREVIATIONS AR - AUGER REFUSAL MED. - MEDIUM VST - VANE SHEAR TEST BT - BORING TERMINATED MICA. - MICACEOUS WEA. - WEATHERED CL. - CLAY MOD. - MODERATELY - UNIT WEIGHT CPT - CONE PENETRATION TEST NP - NON PLASTIC d- DRY UNIT WEIGHT CSE. - COARSE ORG. - ORGANIC DMT - DILATOMETER TEST PMT - PRESSUREMETER TEST SAMPLE ABBREVIATIONS DPT - DYNAMIC PENETRATION TEST SAP. - SAPROLITIC S - BULK e- VOID RATIO SD. - SAND, SANDY SS - SPLIT SPOON F - FINE SL. - SILT, SILTY ST - SHELBY TUBE FOSS. - FOSSILIFEROUS SLI. - SLIGHTLY RS - ROCK FRAC. - FRACTURED, FRACTURES TCR - TRICONE REFUSAL RT - RECOMPACTED TRIAXIAL FRAGS. - FRAGMENTS w - MOISTURE CONTENT CBR - CALIFORNIA BEARING HI. - HIGHLY V - VERY RATIO EQUIPMENT USED ON SUBJECT PROJECT DRILL UNITS: ADVANCING TOOLS: HAMMER TYPE: CME-45C CLAY BITS X AUTOMATIC MANUAL CME-55 6" CONTINUOUS FLIGHT AUGER CORE SIZE: X 8" HOLLOW AUGERS -B -H X CME-550 HARD FACED FINGER BITS X-NQ2 TUNG.-CARBIDE INSERTS VANE SHEAR TEST HAND TOOLS: X CASING X W/ ADVANCER POST HOLE DIGGER PORTABLE HOIST TRICONE " STEEL TEETH HAND AUGER TRICONE " TUNG.-CARB. SOUNDING ROD X CORE BIT VANE SHEAR TEST VERY ALL ROCK EXCEPT QUARTZ DISCOLORED OR STAINED. ROCK FABRIC ELEMENTS ARE DISCERNIBLE SEVERE BUT MASS IS EFFECTIVELY REDUCED TO SOIL STATUS, WITH ONLY FRAGMENTS OF STRONG ROCK (V SEV.) REMAINING. SAPROLITE IS AN EXAMPLE OF ROCK WEATHERED TO A DEGREE THAT ONLY MINOR VESTIGES OF ORIGINAL ROCK FABRIC REMAIN. I F TESTED, WOULD YIELD SPT N VALUES < 100 BPF COMPLETE ROCK REDUCED TO SOIL. ROCK FABRIC NOT DISCERNIBLE, OR DISCERNIBLE ONLY IN SMALL AND SCATTERED CONCENTRATIONS. QUARTZ MAY BE PRESENT AS DIKES OR STRINGERS. SAPROLITE IS ALSO AN EXAMPLE. ROCK HARDNESS VERY HARD CANNOT BE SCRATCHED BY KNIFE OR SHARP PICK. BREAKING OF HAND SPECIMENS REQUIRES SEVERAL HARD BLOWS OF THE GEOLOGIST'S PICK. HARD CAN BE SCRATCHED BY KNIFE OR PICK ONLY WITH DIFFICULTY. HARD HAMMER BLOWS REQUIRED TO DETACH HAND SPECIMEN. MODERATELY CAN BE SCRATCHED BY KNIFE OR PICK. GOUGES OR GROOVES TO 0.25 INCHES DEEP CAN BE HARD EXCAVATED BY HARD BLOW OF A GEOLOGIST'S PICK. HAND SPECIMENS CAN BE DETACHED BY MODERATE BLOWS. MEDIUM CAN BE GROOVED OR GOUGED 0.05 INCHES DEEP BY FIRM PRESSURE OF KNIFE OR PICK POINT. HARD CAN BE EXCAVATED IN SMALL CHIPS TO PEICES 1 INCH MAXIMUM SIZE BY HARD BLOWS OF THE POINT OF A GEOLOGIST'S PICK. SOFT CAN BE GROVED OR GOUGED READILY BY KNIFE OR PICK. CAN BE EXCAVATED IN FRAGMENTS FROM CHIPS TO SEVERAL INCHES IN SIZE BY MODERATE BLOWS OF A PICK POINT. SMALL, THIN PIECES CAN BE BROKEN BY FINGER PRESSURE. VERY CAN BE CARVED WITH KNIFE. CAN BE EXCAVATED READILY WITH POINT OF PICK. PIECES 1 INCH SOFT OR MORE IN THICKNESS CAN BE BROKEN BY FINGER PRESSURE. CAN BE SCRATCHED READILY BY FINGERNAIL. FRACTURE SPACING BEDDING TERM SPACING TERM THICKNESS VERY WIDE MORE THAN 10 FEET VERY THICKLY BEDDED 4 FEET WIDE 3 TO 10 FEET THICKLY BEDDED 1.5 - 4 FEET MODERATELY CLOSE 1 TO 3 FEET THINLY BEDDED 0.16 - 1.5 FEET CLOSE 0.16 TO 1 FOOT VERY THINLY BEDDED 0.03 - 0.16 FEET VERY CLOSE LESS THAN 0.16 FEET THICKLY LAMINATED 0.008 - 0.03 FEET THINLY LAMINATED < 0.008 FEET INDURATION FOR SEDIMENTARY ROCKS, INDURATION IS THE HARDENING OF MATERIAL BY CEMENTING, HEAT, PRESSURE, ETC. RUBBING WITH FINGER FREES NUMEROUS GRAINS; FRIABLE GENTLE BLOW BY HAMMER DISINTEGRATES SAMPLE. MODERATELY INDURATED GRAINS CAN BE SEPARATED FROM SAMPLE WITH STEEL PROBE; BREAKS EASILY WHEN HIT WITH HAMMER. GRAINS ARE DIFFICULT TO SEPARATE WITH STEEL PROBE; INDURATED DIFFICULT TO BREAK WITH HAMMER. SHARP HAMMER BLOWS REQUIRED TO BREAK SAMPLE; EXTREMELY INDURATED SAMPLE BREAKS ACROSS GRAINS. USUALLY INDICATES POOR AERATION AND LACK OF GOOD DRAINAGE. PERCHED WATER - WATER MAINTAINED ABOVE THE NORMAL GROUND WATER LEVEL BY THE PRESENCE OF AN INTERVENING IMPERVIOUS STRATUM. RESIDUAL (RES.) SOIL - SOIL FORMED IN PLACE BY THE WEATHERING OF ROCK. ROCK QUALITY DESIGNATION (RQD) - A MEASURE OF ROCK QUALITY DESCRIBED BY TOTAL LENGTH OF ROCK SEGMENTS EQUAL TO OR GREATER THAN 4 INCHES DIVIDED BY THE TOTAL LENGTH OF CORE RUN AND EXPRESSED AS A PERCENTAGE. SAPROLITE (SAP.) - RESIDUAL SOIL THAT RETAINS THE RELIC STRUCTURE OR FABRIC OF THE PARENT ROCK. SILL - AN INTRUSIVE BODY OF IGNEOUS ROCK OF APPROXIMATELY UNIFORM THICKNESS AND RELATIVELY THIN COMPARED WITH ITS LATERAL EXTENT, THAT HAS BEEN EMPLACED PARALLEL TO THE BEDDING OR SCHISTOSITY OF THE INTRUDED ROCKS. SLICKENSIDE - POLISHED AND STRIATED SURFACE THAT RESULTS FROM FRICTION ALONG A FAULT OR SLIP PLANE. STANDARD PENETRATION TEST (PENETRATION RESISTANCE) (SPT) - NUMBER OF BLOWS (N OR BPF) OF A 140 LB. HAMMER FALLING 30 INCHES REQUIRED TO PRODUCE A PENETRATION OF 1 FOOT INTO SOIL WITH A 2 INCH OUTSIDE DIAMETER SPLIT SPOON SAMPLER. SPT REFUSAL IS PENETRATION EQUAL TO OR LESS THAN 0.1 FOOT PER 60 BLOWS. STRATA CORE RECOVERY (SREC.) - TOTAL LENGTH OF STRATA MATERIAL RECOVERED DIVIDED BY TOTAL LENGTH OF STRATUM AND EXPRESSED AS A PERCENTAGE. STRATA ROCK QUALITY DESIGNATION (SRQD) - A MEASURE OF ROCK QUALITY DESCRIBED BY TOTAL LENGTH OF ROCK SEGMENTS WITHIN A STRATUM EQUAL TO OR GREATER THAN 4 INCHES DIVIDED BY THE TOTAL LENGTH OF STRATA AND EXPRESSED AS A PERCENTAGE. TOPSOIL (TS.) - SURFACE SOILS USUALLY CONTAINING ORGANIC MATTER. BENCH MARK:SEE NOTES ELEVATION:N/A FEET NOTES: FIAD = FILLED IMMEDIATELY AFTER DRILLING LOCATIONS AND ELEVATIONS DETERMINED WITH SURVEY GRADE GPS - EMLID REACH RS3 RECEIVER PERFORMING GNSS RTK VRS SURVEYS REFERENCED TO THE NC CORS RTN DATE: 8-15-14

    PROJECT REFERENCE NO. SHEET NO.
    HB-0048 2
    NORTH CAROLINA DEPARTMENT OF TRANSPORTATION
    DIVISION OF HIGHWAYS
    GEOTECHNICAL ENGINEERING UNIT
    SUBSURFACE INVESTIGATION
    SOIL AND ROCK LEGEND, TERMS, SYMBOLS, AND ABBREVIATIONS
    SOIL DESCRIPTION GRADATION ROCK DESCRIPTION TERMS AND DEFINITIONS
    SOIL IS CONSIDERED UNCONSOLIDATED, SEMI-CONSOLIDATED, OR WEATHERED EARTH MATERIALS THAT CAN WELL GRADED - INDICATES A GOOD REPRESENTATION OF PARTICLE SIZES FROM FINE TO COARSE. HARD ROCK IS NON-COASTAL PLAIN MATERIAL THAT WOULD YIELD SPT REFUSAL IF TESTED. AN INFERRED ALLUVIUM (ALLUV.) - SOILS THAT HAVE BEEN TRANSPORTED BY WATER.
    BE PENETRATED WITH A CONTINUOUS FLIGHT POWER AUGER AND YIELD LESS THAN 100 BLOWS PER FOOT UNIFORMLY GRADED - INDICATES THAT SOIL PARTICLES ARE ALL APPROXIMATELY THE SAME SIZE. ROCK LINE INDICATES THE LEVEL AT WHICH NON-COASTAL PLAIN MATERIAL WOULD YIELD SPT REFUSAL.
    C A O C N C S I I O S S R T B D E A N I S N C E G Y D , T O C O N O T L T H O H E R E , S T A T E A A X S N T H D U T A R O R E S , D M Y P S O E T I N S E T E M U T . R R B A E A , T A S IO I A C N S D H T T E E O S S C T C R L ( I A A P A T SS I S O I H F N I T C S O A G T T E I 2 N O 0 E N 6 R , , A A A N S L T D L M Y O I T D N H 1 C E 5 L 8 R U 6 P ) D . E E R S O T T I I H N L E E C N F L O T A L F S L A S O C IF W T I O C IN R A G S T : I S O U N CH GAP-GRADED - INDICATES A MIX A T N UR G E U O L F U A N R IF I O T R Y M O PA F R G TI R CL A E I S N IZ S ES OF TWO OR MORE SIZES. S B R P E L T P O R R W E E S S F E I U N N S T N A E O L D N I B S - Y C P O E A A N Z S E O T T N A R E L A O T P F L IO A W N I E N B A M Y TH A A E T R S E P E R L D I I A T R L O S , C P T O K H . O E N T R SA A M NS P I L T E IO R N E Q B U ET A W L E T E O N O S R O L IL E S A S N T D H R A O N C 0 K .1 I S F O O O F T TE P N ER 60 A AQ RE U N IF A E C R E - O A U W S - A A T P E P R L B IE E D A R TO IN R G O F C O K R S M T A H T A IO T N H A O V R E S T B R E A EN TA D . ERIVED FROM SAND OR THAT CONTAIN SAND.
    AS MINERALOGICAL COMPOSITION, ANGULARITY, STRUCTURE, PLASTICITY, ETC. FOR EXAMPLE, ROCK MATERIALS ARE TYPICALLY DIVIDED AS FOLLOWS: ARGILLACEOUS - APPLIED TO ALL ROCKS OR SUBSTANCES COMPOSED OF CLAY MINERALS, OR HAVING
    VERY STIFF, GRAY, SILTY CLAY, MOIST WITH INTERBEDDED FINE SAND LAYERS, HIGHLY PLASTIC, A-7-6 T A H NG E U A L N A G R U , S L U A B R A I N T G Y U O LA R R R , O SU U B N R D O N U E N S D S E D O , F O S R O R I O L U G N R D A E I D N . S IS DESIGNATED BY THE TERMS: WEATHERED NON-COASTAL PLAIN MATERIAL THAT WOULD YIELD SPT N VALUES > A NOTABLE PROPORTION OF CLAY IN THEIR COMPOSITION, SUCH AS SHALE, SLATE, ETC.
    SOIL LEGEND AND AASHTO CLASSIFICATION ROCK (WR) 100 BLOWS PER FOOT IF TESTED. ARTESIAN - GROUND WATER THAT IS UNDER SUFFICIENT PRESSURE TO RISE ABOVE THE LEVEL AT
    G S C C G E Y L L N R M A A O E B R U S S O A P S S L L . . A-1-a A-1 A-1-b ( G R A A 3 - N 5 3 % UL P A A A R - S 2 M S -4 A IN T G E A R - # I 2 A 2 - 0 L 5 A 0 S - ) 2 A-2-6 A-2-7 A ( - S 4 I L T 3 - 5 C % A L A - P 5 Y A M SS A I A T N - E 6 G R I # A 2 L 0 A A A S 0 - - 7 7 ) - - - 7 6 5, A- A 1, - A 3 -2 ORGAN A A IC - - 4 6 M , , A A AT - - 7 5 ERIALS M AR IN E E U R S A E M S L D L O N I G D I A N H E M R D T E A L E S Y T S M E S C C U L R O Y I C I N M P H C T P E O A I R O M R S E N P C S Q A R S S U O E L I W B A S O M L S R H I E T G B E P Z L N I , R E C F T E E H A L S E D L Y S S I P C A B A R O R I E , L M M C I O P T IC N O Y A S , S I T D I A E T L R I C E O L L , D L L K N O A < = F O 3 3 L S 1 1 I I N G - , N E 5 I T F 0 C IC . ANCE. R C R N C R O O O O Y N A C C S - K S K C T T R ( A ( A N C Y L L C R S L R P ) T IN L A ) E A L I L N INE C G W F R S FI I E O O N N N O D C A E E E U I I K S M S L T T T S T O O D E A , Y N G L C C Y P T A O O I P E E A B A L A I L R A B N R R D Y R I C S S N O E E S L R P S , U G G O S T E D R R C C D R E A A K H I S E M I I I N N T F S P E H U T H M I N , G A S Y E E T A N T L T T S L E L W C A C O I I . M T E F O U E M O U T S , R E E L S A P S N L D N H T A T D Y E I E T C E D D E M I A , . L E I S N N R D T A D T O A N S O C M P N D K T R O O S O T N R R T O C E - Y P C K H N F P O U , I E E C A B S , I E S U A R N T T T O L C A C C L M I . L F K U A P T D T Y L E E H A S N S A I T O N G T E T R D Y A . I N E I L T D E , O C C S W C U A O O F H R L R L I S F C C L E L A A U H R O C R V E I P E T E I C E U . O I O . M S U V E S - E N ( R R C C O Y A O C L ( U R K C N E . F ) T C R - E . ) S A R - O G E T I M D L O S , E T B N T A U H T L T A S L W T M E N C H IX O G IC E N T H D H T A D W O I O N F IT E A A H S L P N S L P O O R M I T E L A C N D T I E A E E C B P R E L O I S A E S S L I A A T R M E R E D I O L C U B Y O N Y V R T E G I S S R R E O E A T F D V O C I I N T A O Y L R T C H O A I E N U B M C O S O L V C O R E A E P T R E B H B O A E O R R N G R A A R E T T O L E U B . D N O I D T V T ID O E M D
    % PA # S 10 SING 50 MX GRANULAR S C I L L A T Y - MUCK, HIGHLY COM P P E R R ES C SI E BL N E TAGE OF MATERIA L L L > 50 ( S C ED P) IMENTARY ROCK S SP H T E R L E L F B U E S D A W S L , . E E R A T O C T C . H K E TY R P I E N I G NCLUDES LIMESTONE, SANDSTONE, CEMENTED B D Y IK T E O - T A A T L A L B E U N L G A T R H B O O F D C Y O O R F E I R G U N N E O A U N S D R E O X C P K R E T S H S A E T D C A U S T A S P A E C R R C O E S N S T T A H G E E S . TRUCTURE OF ADJACENT
    #40 30 MX50 MX 51 MN SOILS SOILS PEAT GRANULAR SILT - CLAY ROCKS OR CUTS MASSIVE ROCK.
    #200 15 MX25 MX10 MX35 MX35 MX35 MX35 MX36 MN 36 MN36 MN36 MN ORGANIC MATERIAL SOILS SOILS OTHER MATERIAL FRESH ROCK FRESH, CRYSTALS BRIGHT, FEW JOINTS MAY SHOW SLIGHT STAINING. ROCK RINGS UNDER
    PA M S A S T I L P N E L R I G I A # L 4O 6 MX NP 4 1 0 0 M MX X 1 4 0 1 M MN X 4 1 0 1 M MN X4 1 1 1 M MN N 4 1 0 0 M MX X 1 4 0 1 M MN X 4 1 0 1 M MN X 4 1 1 1 M MN N S L M O I O T IL D T S E L R W E A I O T T E R H HIGHLY H M L T I R I O T G A D T H C L E L E R E Y A O O O T F R R E G O G LY A R A G N N O A I I R C C N G M I A C N A M I T C T A E T R TER 5 2 3 > - - - 1 1 0 3 5 0 % % % % 1 5 3 2 > - - - 2 1 0 2 5 2 % 0 % % % H S L T O R I IG T M A T H C E L L E Y E 3 2 1 1 5 0 0 % - - - 1 A 2 3 0 N 0 5 % % D % ABOVE ( V V E R S Y L I S .) LIGHT O C R H R O A F Y C M A S K M C T G E R A E R Y L N S S IF E T O R A C N A R L A Y L L I L S B N Y T R E A O F N L R K L A E E I T S N N H U E S , R . P J E O E . C IN IM TS E N ST F A A I C N E E D SH , S IN O E M B E R J I O G I H N T T L S Y M . A R Y O C SH K O R W IN T G H S I U N N C D L E A R Y H C A O M A M TI E N R G B S L I O F W OP S E IF N , H D L D I O I I N P P R E D - I Z T O I O R H F N E E D C T I A A T P N L I , O . M G N L E ( E A D S A I U P T R A W E Z D H IM I C C U L H O T H C A ) K S - W T T R I H S A E E T D F U R I M R O E M O C R T N I O A O R N N T Y O H P R . L B A E N A A R R IN F G E A O T F U T R H E E I H S O IN R C IZ L O IN N E T D A L F R T O R M AC T E H O E F THE
    U G S R U O A U L P I T N Y D P E E X S STONE 0 FRAGS. 0 0 4 MX 8 MX 12 MX 16 MXNO MX AM O O R U G N AN TS IC OF O S R O GA IL N S IC WATER LEVE G L R IN O B U O N RE D H O W L A E I T M E M R EDIATELY AFTER DRILLING ( S S L L IG I H .) T 1 R O IN C C K H G . E O N P E E R N A J L O L IN Y T F S R M ES A H Y , C JO O I N N T T A S I S N T C A L IN A E Y D . A IN N G D R D A I N SC IT O O L I O D R R A O T C IO K N S S E O X M TE E N O D C S C I A N S T I O ON R A O L C F K E U L P D S T P O A R S FA ID U E L S T R - E A L A FR T A IV C E T T U O R E O O N R E F A R N A O C T T H U E R R E P Z A O R N A E L A LE L L O N TO G T W H H E I C F H R A T C H T E U R R E E H . AS BEEN DISPLACEMENT OF THE
    M O A F T M E A RI J A O L R S GRA S V A E N L D , AND S F A IN N E D G SI R L A T V Y E O L R A N C D LA S Y A E N Y D S S I O L I T L Y S C S L O A I Y L E S Y MATTER STATIC WATER LEVEL AFTER2 4 HOURS MODERATE S C I R G Y N S I T F A IC L A S N A T R P E O D R U T L IO L N A S N O D F D R IS O C C O K L S O H R O E W D. D C I R SC Y O ST L A O L R L A I T N I E O R N O A C N K D S W RI E N A G T U H N E D R E IN R G H E A F M FE M C E T R S B . L IN O WS. F FL IS O S A IL T E - - R A O C P K R O F P R E A R G T M Y E O N F T S S P O L N I T S T U I R N F G A C A E L O N N EA G R C T L H O E S I E R L O Y R S IG PA iN C A E L D P P O A S R IT A IO L N LE A L N P D L D A I N S E L S O . DGED FROM
    A G S E S N U . B R G A R TI A N D G E EXCELLENT TO GOOD FAIR TO POOR FA PO IR O R TO POOR UNSUITABLE PW S PE P R R C IN H G ED O W R A S T E E E R P , SATURATED ZONE, OR WATER BEARING STRATA (MOD.) W D GR U IT A L H L N I S F T O R O U E ID S N H D R R O U O C N K C D K S E , . R M H O A ST M F M E E L R D B SP L A O R W S S A A R N E D D S U H L O L W A S N D SI G D N IS I C F O IC L A O N R T E D LO , S S O S M O E F S S H TR O E W N C G L T A H Y A . S R C O O C M K P H A A R S E D F PA LO RE O N D T P M LA A I T N E R (F I P A ) L - . LAND BORDERING A STREAM, BUILT OF SEDIMENTS DEPOSITED BY THE STREAM.
    PI OF A-7-5 SUBGROUP IS LL - 30 ; PI OF A-7-6 SUBGROUP IS LL - 30 MODERATELY ALL ROCK EXCEPT QUARTZ DISCOLORED OR STAINED. IN GRANITOID ROCKS, ALL FELDSPARS DULL FORMATION (FM.) - A MAPPABLE GEOLOGIC UNIT THAT CAN BE RECOGNIZED AND TRACED IN THE
    CONSISTENCY OR DENSENESS MISCELLANEOUS SYMBOLS SEVERE AND DISCOLORED AND A MAJORITY SHOW KAOLINIZATION. ROCK SHOWS SEVERE LOSS OF STRENGTH FIELD.
    PRIMARY SOIL TYPE CO C M O P N A S C IS T T N E E N S C S Y OR PEN R E A T N R G A E (N T O I - O V F N A S L T R A U E N E S ) I D S A T R E D NCE C R O A M N P G R E ( E T O S O S F I N U V S N E / C S F O T T2 R N ) E F N IN G E T D H L L L W RO IT A H D W SO A I Y L E D M E B S A C N R K IP M T E IO N N T (RE) 25/025 O D F IP R & O C D K IP S D TR IR U E C C T T U I R O E N S S (M EV O E D R . E SEV.) A I A F N L T L D E R C S O T A C E N D K B , E E W X E O C X U E C P L A T D V Q Y A U I T E A E L R D D T W Z S P I D T T I H S R C A E O F G L U E O S O R A L E L O D G O IS R T ' S S T P A IC IN K E . D R . O R C O K C G K I V FA ES B R "C IC L U C N L K E " A S R O A U N N D D E W V H ID E E N N S T T R B U U C T K . J I L T O E S I D N L G T A E - T F - E R A R A A S C H L T E U E L X R F E T -L E I I N N K T R E . O R C ID K G A E L O ON R G P R W O H J I E C C H T I N O O N A O P F P R R E O C C I K A B W L H E O M S O E V T E H M IC E K NT N E H S A S S I O S C S C M U A R L R L E C D O . MPARED TO
    ( M G G N R E A O N A T N N E E - R U R C A L I O A A L H L L R E Y SIVE) M V E E D R I D L U Y O E M N O L S S O D E E O EN SE SE 3 1 4 0 0 T T < T O O O 4 1 3 5 0 0 0 N/A S T A O H R A I T L N I F S R I Y C O M I A A B D L O W L F A I Y L L E M (A B F A ) N O K T M H E E N R T S D V P S P T T T A D PM M U T T GER T E B S O T R B IN O G RING I S T C N L E O S O S N T T P E A E L P I L E N A N D T E I I T C O R A N O T M O E R TER ( V S E E R V Y .) T R I A F O E L T D L S E U O R S C M O T E C E E D K D E I , X E N W X T S E C O T N E U R T P E L T . N D S Q G O Y U T M I A H E E R L T T F D O Z R S S A D P T G I T R S M C O N E O N N V L G T O A S S R L O O E U I F D L E . S S O T I R > N R 1 O S G 0 T N R 0 A G A B I N N R P E I O F T D C O . K I D R U O R S C O U K A C K L FA L S Y B A R R L I L E C M F E E A L L I E N D M . S E P N A T R S S A A R R E E D K I A S O CE L R IN N I I Z B E L D E L U M E S O U N T A S T L L - L E A Y D B I ( N O M D D O I Y C T . A ) O T - F E I R S S R O P E I O L G O U O R L R A A R E R O R L A C Y T K M I O T A N H R A A K T N E D D T H W LA I I N T C S H K O S O U P F O T G T I O S N O O O D F N D D E R I F O A F R I E N R M A E G O N E R T . E C O D L IR O E R C S T . I M O O N T S T . LING IN SOILS
    VERY DENSE > 50 SEVERE BUT MASS IS EFFECTIVELY REDUCED TO SOIL STATUS, WITH ONLY FRAGMENTS OF STRONG ROCK PERCHED WATER - WATER MAINTAINED ABOVE THE NORMAL GROUND WATER LEVEL BY THE PRESENCE
    VERY SOFT < 2 < 0.25 INFERRED SOIL BOUNDARY CORE BORING SOUNDING ROD (V SEV.) REMAINING. SAPROLITE IS AN EXAMPLE OF ROCK WEATHERED TO A DEGREE THAT ONLY MINOR OF AN INTERVENING IMPERVIOUS STRATUM.
    S G I E L N T E - R C A L L A L Y Y MEDI S U O M FT STIFF 4 2 T T O O 8 4 0 0 .2 .5 5 T T O O 1 0 .0 .5 INFERRED ROCK LINE MW MONITORING WELL W TE I S T T H B C O O R R IN E G COMPLETE R V O ES C T K I G R E E S D O U F C E O D R I T G O I N S A O L IL R . O R C O K C K FA F B A R B I R C I C R E N M O A T I D N I . S I C F E T R E N S I T B E L D E , , O W R O D U I L S D CE Y R I N E I L B D L E S P O T N N LY V I A N L S U M E A S L < L 1 A 00 N D B PF R RO ES C I K D U Q A U L A L (R IT E Y S . D ) E SO SI I G L N - A S T O I I O L N F O (R R Q M D E ) D - A IN M P E L A A S C U E R E B Y O F T R H O E C W K E Q A U T A H L E I R T I Y N D G E O S F C R R I O B C E K D . BY TOTAL LENGTH OF
    ( M C A O T H E E R S IA IV L E) VER S H Y T A I R S F D T F IFF 1 8 5 > T T O 3 O 0 1 3 5 0 2 1 T > T O O 4 2 4 ALLUVIAL SOIL BOUNDARY I P N IE S Z T O A M LL E A T T E I R ON SPT N-VALUE A SC L A SO TT A E N R E E D X A C M ON PL C E E . NTRATIONS. QUARTZ MAY BE PRESENT AS DIKES OR STRINGERS. SAPROLITE IS R R U O N CK A S N E D G E M X E P N R T E S S S E E Q D U A A L S A TO P E O R R C G E R N E T A A T G E E R . THAN 4 INCHES DIVIDED BY THE TOTAL LENGTH OF CORE
    TEXTURE OR GRAIN SIZE RECOMMENDATION SYMBOLS ROCK HARDNESS SAPROLITE (SAP.) - RESIDUAL SOIL THAT RETAINS THE RELIC STRUCTURE OR FABRIC OF THE PARENT
    VERY HARD CANNOT BE SCRATCHED BY KNIFE OR SHARP PICK. BREAKING OF HAND SPECIMENS REQUIRES ROCK.
    O U P .S E . N B S I O T N U D G L . ( D S M E IE M R V ) E SIZE COBBLE GR 4 A . 4 V 7 E 6 L 2 1 .0 0 0 C O 0 4 A .4 0 R 2 S E 0 6 .2 0 5 0 F 2 . I 0 N 0 7 0 E 5 0 2 .0 7 5 0 3 SILT CLAY S U U H N N A D D L E E L R R O C C W U U T T U U U AC N N N C S C C U E L L P I A A T T S S A A S S B B I I L F F L E I I E E E W D D D E A E E G S X X R T C C A E A A D V V A A A B T T L I I E O O R N N O - - CK U A E U M N C S C B C E A E L D P A N I T K S N A S M I B T F E L H I N E E E T D , B O T E U R O X T B P C A N A 3 C O V F K T A E F T T E IL I O T O L N B O E - F HARD T C SE O A V N D E E B R T E A A S L C C H H R A A H R T A D C N H B D E L S D O P B W E Y C S I K M O N F E I N T F . E H E O R G E P O IC L K O O G N IS L T Y 'S W PI IT C H K . DIFFICULTY. HARD HAMMER BLOWS REQUIRED T R SI H E L L E L A B - T E A I D V N E D I L N IN Y T G R T U H O S I R N I V S C C E O H B M I O S P D T A O Y R S E O I D T F Y I W G O I N T F E H T O H I U T E S S I L R N A O T T C R E K U R D O A E F L D A E R P X P O T R E C O N K X T S I , . M TH A A TE T L H Y A U S N B I E F E O N R M EM T P H L I A C C K E N D E S P S A A RA N L D LEL TO
    (BLDR.) (COB.) (GR.) (C S S A E N . D SD.) (F SA S N D D .) (SL.) (CL.) ABBREVIATIONS H M A O R D D ERATELY E C X A C N A B V E A S T C E R D A B T Y C H H A E R D D B B Y L K O N W I F O E F O A R G P E I O CK LO . G G I O ST U 'S G E PI S C O K R . H G A R N O D O V SP E E S C T IM O E 0 N .2 S 5 C IN A C N H B E E S D D E E T E A P C C H A E N D BE O SL R I C S K L E IP N S P I L D A E N - E P . OLISHED AND STRIATED SURFACE THAT RESULTS FROM FRICTION ALONG A FAULT
    GRAIN MM 305 75 2.0 0.25 0.05 0.005 AR - AUGER REFUSAL MED. - MEDIUM VST - VANE SHEAR TEST BY MODERATE BLOWS. STANDARD PENETRATION TEST (PENETRATION RESISTANCE) (SPT) - NUMBER OF BLOWS (N OR BPF) OF
    SIZE IN. 12 3 BT - BORING TERMINATED MICA. - MICACEOUS WEA. - WEATHERED MEDIUM CAN BE GROOVED OR GOUGED 0.05 INCHES DEEP BY FIRM PRESSURE OF KNIFE OR PICK POINT. A 140 LB. HAMMER FALLING 30 INCHES REQUIRED TO PRODUCE A PENETRATION OF 1 FOOT INTO SOIL
    CL. - CLAY MOD. - MODERATELY - UNIT WEIGHT HARD CAN BE EXCAVATED IN SMALL CHIPS TO PEICES 1 INCH MAXIMUM SIZE BY HARD BLOWS OF THE WITH A 2 INCH OUTSIDE DIAMETER SPLIT SPOON SAMPLER. SPT REFUSAL IS PENETRATION EQUAL
    SOIL MOISTURE - CORRELATION OF TERMS CPT - CONE PENETRATION TEST NP - NON PLASTIC d- DRY UNIT WEIGHT POINT OF A GEOLOGIST'S PICK. TO OR LESS THAN 0.1 FOOT PER 60 BLOWS.
    SO (A IL T T M E O R I B S E T R U G R E L I S M C I A T L S) E FIE D L E D SC M R O IP I T S I T O U N RE GUIDE FOR FIELD MOISTURE DESCRIPTION C D S M E T . - - C D O IL A A R T S O E METER TEST O PM RG T . - - P O R R E G S A S N U IC REMETER TEST SAMPLE ABBREVIATIONS SOFT F C R A O N M B E C H G I R P O S V T E O D S O E R V E G R O A U L G E IN D C R H E E A S D I I N L Y SI B Z Y E B K Y N I M FE O O D R E R P A IC T K E . B C L A O N W B S E O E F X A CA P V IC A K T E P D O I I N N T F . R S A M G A M L E L N , T T S H IN T ST O R T A A T L A L C E O N R G E T H R E O C F O S V T E R R A Y T ( U S M RE A C N .) D - T E O X T P A R L E S L S E E N D G A TH S A O F P E ST R R C A E T N A T A M G A E T . ERIAL RECOVERED DIVIDED BY
    DPT - DYNAMIC PENETRATION TEST SAP. - SAPROLITIC S - BULK PIECES CAN BE BROKEN BY FINGER PRESSURE. STRATA ROCK QUALITY DESIGNATION (SRQD) - A MEASURE OF ROCK QUALITY DESCRIBED BY TOTAL
    PLASTI L C L LIQUID LIMIT - S ( A S T A U T R . A ) TED - F U SE R S M O UA M IS L O B L L E Y I L D L O ; I Q W R U E T I Q D H U ; E I V R G E E R R S O Y D U W R N Y E D T I N W , U G A S T T U O E A R L L T Y ABLE F F F e R O - A - S F V C S I . . O N - - I F F D E R O R A S A C SI T T L U I I O R FE E R D O , F U R S ACTURES S S T SD L L C I . . R . - - - - S S S A T I L L R N I T I D G C , , H O S S T I N A L L N E T Y D R Y Y EFUSAL R R S S T S T S - - - - R S S R H E P O C L E C O I L K T M B S Y P P A T O C U O T B E N E D TRIAXIAL S V O ER F Y T F O C I A R N N G M E B O R E R N C E A A I I N L R . V T E H D IC W KN IT E H S S K C N A IF N E . B C E A B N R O B K E E E N X C B A Y V F A IN T G E E D R R P E R A E D S I S L U Y R W E. I T C H A P N O B IN E T S C O R F A P T IC C K H . E P D I E R C E E A S D 1 I L IN Y C B H Y T T L O E H N P E S G T O T O I H L T A O (T L F S R L .) E O - N C S G U K T R S H F E A G O C M F E E S S N T O R T I A S L S T W A U I T S A H U N A IN D L A L E Y X S P T C R R O E A N S T T S U A E M D IN A E IN Q S G U A A O P L R E G T R A O C N E O I N C R T M G A R A G E T E A T . T E E R R . THAN 4 INCHES DIVIDED BY
    R ( A P N I G ) E PL PLASTIC LIMIT - WET - (W) ATTAIN OPTIMUM MOISTURE F H R I. A - G H S I . G - H F L R Y AGMENTS w V - - M V O E I R S Y TURE CONTENT CBR - C R A A L T IF IO ORNIA BEARING TERM FRACTURE SPAC SP IN AC G ING TERM BEDDING THICKNESS BENCH MARK:SEE NOTES
    EQUIPMENT USED ON SUBJECT PROJECT VERY WIDE MORE THAN 10 FEET VERY THICKLY BEDDED 4 FEET ELEVATION:N/A FEET
    O S M L O SH PT R I I M NK U A M G M E O L I I S M T I U T RE - MOIST - (M) SOLID; AT OR NEAR OPTIMUM MOISTURE DRILL UNITS: ADVANCING TOOLS: HAMMER TYPE: M WI O D D E ERATELY CLOSE 3 1 T T O O 1 3 0 F F E E E E T T T TH H I I C N K LY LY B B ED ED D D ED ED 0. 1 1 . 6 5 - - 1 4 . 5 F E FE E E T T NOTES:
    CME-45C CLAY BITS X AUTOMATIC MANUAL CLOSE 0.16 TO 1 FOOT VERY THINLY BEDDED 0.03 - 0.16 FEET
    - DRY - (D) A RE T Q TA U I I N R E O S P A TI D M D U IT M IO M N O A I L ST W U A R T E ER TO CME-55 6" CONTINUOUS FLIGHT AUGER CORE SIZE: VERY CLOSE LESS THAN 0.16 FEET T TH H I I C N K LY LY L A LA M M IN IN A A TE T D ED 0.0 < 0 8 0 . - 0 0 0 8 .0 F 3 E F E E T ET FIAD = FILLED IMMEDIATELY AFTER DRILLING
    PLASTICITY X 8" HOLLOW AUGERS -B -H INDURATION LOCATIONS AND ELEVATIONS DETERMINED WITH SURVEY GRADE
    PLASTICITY INDEX (PI) DRY STRENGTH X CME-550 HARD FACED FINGER BITS X-NQ2 FOR SEDIMENTARY ROCKS, INDURATION IS THE HARDENING OF MATERIAL BY CEMENTING, HEAT, PRESSURE, ETC. GPS - EMLID REACH RS3 RECEIVER PERFORMING GNSS RTK
    NON PLASTIC 0-5 VERY LOW TUNG.-CARBIDE INSERTS FRIABLE RUBBING WITH FINGER FREES NUMEROUS GRAINS; VRS SURVEYS REFERENCED TO THE NC CORS RTN
    SLIGHTLY PLASTIC 6-15 SLIGHT VANE SHEAR TEST HAND TOOLS: GENTLE BLOW BY HAMMER DISINTEGRATES SAMPLE.
    H M I O G D H E L R Y A P T L E A L S Y T P IC LASTIC 26 O 1 R 6 - M 25 ORE M H ED IG IU H M PORTABLE HOIST X C TR A I S C IN O G NE X W/ A " D S V T A E N E C L E T R EETH P H O A S N T D H A O U L G E E R DIGGER MODERATELY INDURATED B G R R E A A IN K S S C E A A N SI L B Y E W SE H P E A N R H A I T T E W D I F T R H O H M A M SA M M E P R L . E WITH STEEL PROBE;
    COLOR TRICONE " TUNG.-CARB. SOUNDING ROD INDURATED
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    E WITH STEEL PROBE;
    DESCRIPTIONS MAY INCLUDE COLOR OR COLOR COMBINATIONS (TAN, RED, YELLOW-BROWN, BLUE-GRAY). X CORE BIT VANE SHEAR TEST
    MODIFIERS SUCH AS LIGHT, DARK, STREAKED, ETC. ARE USED TO DESCRIBE APPEARANCE. EXTREMELY INDURATED
    S
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    TO BREAK SAMPLE;
    DATE: 8-15-14

    PROJECT REFERENCE NO. SHEET NO. HB-0048 2A NORTH CAROLINA DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYS GEOTECHNICAL ENGINEERING UNIT SUBSURFACE INVESTIGATION SUPPLEMENTAL LEGEND, GEOLOGICAL STRENGTH INDEX (GSI) TABLES FROM AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS AASHTO LRFD Figure 10.4.6.4-1 Determination of GSI for Jointed Rock Mass (Marinos and Hoek, 2000) AASHTO LRFD Figure 10.4.6.4-2 Determination of GSI for Tectonically Deformed Heterogeneous Rock Masses (Marinos and Hoek, 2000) PROJECT REFERENCE NO. SHEET NO.
    HB-0048 2A
    GEOLOGICAL STRENGTH INDEX (GSI) FOR JOINTED ROCKS (Hoek and Marinos, 2000) From the lithology, structure and surface conditions of the discontinuities, estimate the average value of GSI. Do not try to be too precise. Quoting a range from 33 to 37 is more realistic than stating that GSI = 35. Note that the table does not apply to structurally controlled failures. Where weak planar structural planes are present in an unfavorable orientation SNOITIDNOC with respect to the excavation face, these will dominate the rock mass behaviour. The shear strength of surfaces in rocks that are prone to deterioration as a result of changes in moisture content will be reduced if water is present. When working with rocks in the ECAFRUS fair to very poor categories, a shift to the right may be made for wet conditions. Water pressure is dealt with by effective stress analysis. STRUCTURE secafrus secafrus secafrus deniats sgnillif dna sgnillif derehtaewnu nori derehtaew derehtaew derehtaew ro ,derehtaew ro sgnitaoc sgnitaoc stnemgarf ylhgih ylhgih yletaredom hserf secafrus ylthgils tcapmoc yalc ,dedisnekcilS ,dedisnekcilS ,hguor DOOG ralugna ROOP tfos secafrus ,hguoR ,htoomS deretla YREV yreV DOOG RIAF ROOP htiw YREV htiw ro DECREASING SURFACE QUALITY GSI FOR HETEROGENEOUS ROCK MASSES SUCH AS FLYSCH (Marinos. P and Hoek E., 2000) From a description of the lithology, structure and surface conditions (particularly of the bedding )senalp planes), choose a box in the chart. Locate the position in the box that corresponds to the condition of the discontinuities and estimate the average value of GSI from the contours. Do not attempt to be too FO gniddeb precise. Quoting a range from 33 to 37 is more realistic than giving GSI = 35. Note that the SNOITIDNOC Hoek-Brown criterion does not apply to structurally controlled failures. Where unfavourably oriented SEITIUNITNOCSID yltnanimoderP( continuous weak planar discontinuities are present, these will dominate the behaviour of the rock mass. The strength of some rock masses is reduced by the presence of groundwater and this can be allowed for ECAFRUS by a slight shift to the right in the columns for fair, poor and very poor conditions. Water pressure does not change the value of GSI and it is dealt with by using effective stress analysis. COMPOSITION AND STRUCTURE hserf ,hguoR secafrus yreV - derehtaewnu DOOG YREV derehtaew ylthgils ,hguoR secafrus - DOOG tcapmoc secafrus yllanoisacco ralugna yletaredom htiw htiw deretla secafrus ,htooms sgnillif ,htoomS dna yreV dedisnekcils ro derehtaew stnemgarf sgnitaoc - - RIAF ROOP secafrus sgnillif -nekcils ro ,htooms derehtaew sgnitaoc yreV ylhgih yalc - ROOP tfos ro YREV dedis htiw
    INTACT OR MASSIVE - intact rock specimens or massive in situ rock with few widely spaced SECEIP discontinuities BLOCKY - well interlocked un- KCOR disturbed rock mass consisting of cubical blocks formed by three intersecting discontinuity sets FO GNIKCOLRETNI VERY BLOCKY - interlocked, partially disturbed mass with multi-faceted angular blocks formed by 4 or more joint sets BLOCKY/DISTURBED/SEAMY - folded with angular blocks GNISAERCED formed by many intersecting discontinuity sets. Persistence of bedding planes or schistosity DISINTEGRATED - poorly inter- locked, heavily broken rock mass with mixture of angular and rounded rock pieces LAMINATED/SHEARED - Lack of blockiness due to close spacing of weak schistosity or shear planes 90 80 70 6 0 50 N/A N/A A T.hick bedded, very blocky sandstone The effect of pelitic coatings on the bedding planes is minimized by the confinement of the rock mass. In shallow tunnels or slopes these bedding planes may cause structurally controlled instability. B S.and- C .Sand- D .Siltstone E W. eak stone with stone and or silty shale siltstone thin inter- siltstone with sand- or clayey layers of in similar stone layers shale with siltstone amounts sandstone layers 70 60 A 50 B 40 C D E
    4 0 30 20 C , D ,a En, d -G may be more or F .Tectonically deformed, less folded than illustrated but intensively folded/faulted, this does not change the strength. sheared clayey shale or siltstone Tectonic deformation, faulting and with broken and deformed loss of continuity moves these sandstone layers forming an categories toF andH . almost chaotic structure G .Undisturbed silty H T.ectonically deformed silty or clayey shale with or clayey shale forming a 30 F 20
    N/A N/A 10 10 or without a few very chaotic structure with pockets G H thin sandstone layers of clay. Thin layers of sandstone are transformed into small rock pieces.
    Means deformation after tectonic disturbance DATE: 8-19-16
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