SW6221101_Soils/Geotechnical Report_20221129 (10)

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G Boring Desi nation B-15 Y.C. Boring Designation B-16 Y. C. US Army Corps
.................................................... of Engineers °
DlVISIO1�i INSTALLATION SHEET 1 DIVISION INSTALLATION SHEET 1
DRILLING LOG South Atlantic Division Ft. Bragg OF 1 SHEETS DRILLING LOG South Atlantic Division Ft. Bragg of 1 SHEETS
1. PROJECT 9. COORDINATE SYSTEM HORIZONTAL VERTICAL 1. PROJECT 9. COORDINATE SYSTEM HORIZONTAL VERTICAL
Advanced Skills Training Center State Plane - North Carolina NAD83 NAVD88 Advanced Skills Training Center State Plane - North Carolina NAD83 NAVD88 LU
PN 79439 FY 16 10, SIZE AND TYPE OF BIT 4-1/4" Hollow -Stem Auger PN 79439 FY 16 10. SIZE AND TYPE OF BIT 4-114" Hollow -Stem Auger o
2. HOLE NUMBER : LOCATION COORDINATES 11. MANUFACTURER'S DESIGNATION OF DRILL 2. HOLE NUMBER : LOCATION COORDINATES 11. MANUFACTURER'S DESIGNATION OF DRILL
B-15 (Y.C.) N 1990040.673 E 486014.5357 CME-550x B-16 (Y. C.) N 1990035.248 E 485626.0803 CME-550x
3. DRILLING AGENCY 12. TOTAL SAMPLES : DISTURBED = UNDISTURBED 3. DRILLING AGENCY 12. TOTAL SAMPLES : DISTURBED : UNDISTURBED
U.S. Army Corps of Engineers - Savannah District 5 ❑ U.S. Army Corps of Engineers - Savannah District 5 ❑
4. NAME OF DRILLER 13. TOTAL NUMBER CORE BOXES Q 4. NAME OF DRILLER 13. TOTAL NUMBER CORE BOXES Q
Joe Bowerman 14. ELEVATION GROUND WATER See Remarks Joe Bowerman 14. ELEVATION GROUND WATER See Remarks
5. DIRECTION OF BORING DEG FROM : BEARING 5. DIRECTION OF BORING : DEG FROM : BEARING
® VERTICAL : VERTICAL :STARTED COMPLETED ® VERTICAL : VERTICAL = STARTED = COMPLETED
15
0 INCLINED --- . DATE BORING 15
2/19/16 2/19/16 0 INCLINED --- . DATE BORING
2/19/16 2/19/16
16. ELEVATION TOP OF BORING 266.5' Estimated from plans)6. THICKNESS OF OVERBURDEN >10' 16. ELEVATION TOP OF BORING 263.25' (Estimated from plan
F 6. THICKNESS OF OVERBURDEN �1 Q
7. DEPTH DRILLED INTO ROCK 01 17. TOTAL CORE RECOVERY FOR BORING NIA 7. DEPTH DRILLED INTO ROCK Q' 17. TOTAL CORE RECOVERY FOR BORING NIA
18. SIGNATURE AND TITLE OF INSPECTOR 18. SIGNATURE AND TITLE OF INSPECTOR
8. TOTAL DEPTH OF BORING 10' Forpu N'ikam, Civil Engineer 8. TOTAL DEPTH OF BORING 10, Forpu N'ikam, Civil Engineer
Z FIELD CLASSIFICATION OF MATERIALS % z Z FIELD CLASSIFICATION OF MATERIALS % '
ELEV DEPTH w a ❑ REMARKS 3 ELEV DEPTH w a ❑ REMARKS �Un �
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REC E �� a w (Description)
{Description} N ir m Z J { � m Z
SILTY SAND (SM), fine to medium; dark brown, moist, 0 d SILTY SAND (SM), fine to medium; dark brown, moist, 2 0 100 1 2 6 83 1 6
rootlets. rootlets. a
Pale brown no rootlets. IF Pale brown, no rootlets, trace clay.
d° Strong brown, trace clay. 3 0 6 Strong brown. 3 Z
100 2 3 6 p 100 2 3 6 0
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do- 100 3 3 6 100 3 2 6 L)
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E0 a p Strong brown slightly mottled with tan, trace concretions. 4 Y 1100 4 6 16 a 100 4 7 17
10 10
16 Yellowish brown slightly mottled with gray. 5
256.5 10.0 P Fine to coarse; strong brown mottled with gray. 100 5 75 30 ..0 5 18
BOTTOM OF BOREHOLE AT 10.0 ft 10 2533 100 100 10BOTTOM OF BOREHOLE AT 10.0 ft 10
Notes: Water Level data Notes: Water Level Data
1. Soils visually field classified in accordance with the ReadingDepth Notes 1. Soils 'visually field classified in accordance with the Readin Depth Notes Z N rn
Unified Soil Classification System. Unified Soil Classification System. 9 z o o M
During drilling Not Encountered During drilling Not Encountered 0 � Z
2. N-Value: Total blows over middle 1.0 foot of 2.0-foot 2. N-Value: Total blows over middle 1.0 foot of 2.0-foot ui
After drilling Not Encountered After drilling Not Encountered F N H N ~
driven interval, unless otherwise indicated, using a 1 driven interval, unless otherwise indicated, using a 1 Q N Q � Q Z
3/8-inch ID splitspoon with 140-pound hammer falling 3/8-inch ID splitspoon with 140-pound hammer falling ON � N < 0-
30 inches. 30 inches. D 71T Z N z
3. The CME 550x drilling rig utilizes an automatic trip 3. The CME 550x drilling rig utilizes an automatic trip U) � 0 0
hammer. hammer.
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SAS FORM 1836 A Boring Designation B-15 (Y.C.) SHEET 1 of 1 SAS FORM 1836A Boring Designation B-16 (Y. C.) SHEET 1 of 1
FEB 08 FEB 08
BORING LOG B-15(Y
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.C.) BORING LOG B-16(Y.C.)
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1. FOR CHART AND NOTES, (3"' a O U) 00
REFER TO PLATE B-001. m Lj >- ( J
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3. FOR SOIL TEST BORING u- w C
LOCATIONS, REFER TO C
PLATE B-100. oU
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