HomeMy WebLinkAboutSW6221101_Soils/Geotechnical Report_20230818 Boring Designation B-1
DRILLING LOG DIVISION INSTALLATION SHEET 1
South Atlantic Division Fort Liberty(Formerly Fort Bragg) OF 2 SHEETS
1.PROJECT 9.COORDINATE SYSTEM HORIZONTAL VERTICAL
PN79439.2 SHWT State Plane-North Carolina NAD83 NAVD88
10.SIZE AND TYPE OF BIT Hollow Stem Auger 2-1/4"
2.HOLE NUMBER LOCATION COORDINATES 11.MANUFACTURERS DESIGNATION OF DRILL
B-1 N 486244.428 E 1989877.442 Diedrich D70
3.DRILLING AGENCY 12.TOTAL SAMPLES DISTURBED UNDISTURBED
Corps of Engineers- CESAS 8 0
4.NAME OF DRILLER 13.TOTAL NUMBER CORE BOXES 0
Kaleb Graffagnino •
•
14.DEPTH GROUND WATER See Remarks
5.DIRECTION OF BORING DEG FROM BEARING
®VERTICAL VERTICAL STARTED COMPLETED
n INCLINED --- 15.DATE BORING 7/22/23 7/22/23
6.THICKNESS OF OVERBURDEN >35' 16.ELEVATION TOP OF BORING 261'
7.DEPTH DRILLED INTO ROCK 17.TOTAL CORE RECOVERY FOR BORING N/A
18.SIGNATURE AND TITLE OF INSPECTOR
8.TOTAL DEPTH OF BORING 35' Colby Brown, Geologist
0 0
ELEV DEPTH 161 FIELD CLASSIFICATION OF MATERIALS % a 0 REMARKS 3 U
0
(Description) REC IN38 o CO Z
0 4 , ''/"�\Topsoil(Approximately 5 inches). ` 15 - 0
, • POORLY GRADED SAND(SP),dry, medium dense, 33 s-1 6 16 _
• fine to coarse sand,yellow.
- 2.5 ,
SILTY SAND(SM),dry, loose,moslty fine to medium
sand,little silt,yellow brown.
2
87 s-2 2 5 _ 5
- 3
3
100 S-3 4 10 — 10
6
- 14.0
• POORLY GRADED SAND(SP),dry,dense to loose, 14
• fine to medium sand,yellow red. 100 s a 19 37 — 15
•
•
•
•
•
•
• 4
• , 100 s-5 6 16 — 20
• • 10
•
•
•
•
• • Moist,trace clay,gray. 6
• 100 S-6 6 9 — 25
3
•
•
•
•
•
•
• 2
• , 100 8-7 6 14 8 _ 30
•
•
•
•
• 2
-35.0 " • 100 S-8 24 16 _
SAS FORM 1836-A BOTTOM OF BOREHOLE AT 35.0 ft Boring Designation B-1 — 35
FEB 08 SHEET 1 of 2
Boring Designation B-1
INSTALLATION
DRILLING LOG (Cont Sheet) Fortt Liberty(Formerly Fort Bragg) OF of2
2 2 SHEETS
PROJECT COORDINATE SYSTEM HORIZONTAL VERTICAL
PN79439.2 SHWT State Plane NAD83 NAVD88
LOCATION COORDINATES ELEVATION TOP OF BORING
N 486244.428 E 1989877.442
0 o N
ELEV DEPTH FIELD CLASSIFICATION OF MATERIALS REC E o REMARKS o Ln j
J (Description) cc m' z
Notes: Water Level Data
1. Soils visually classified in accordance with ASTM
D2488. Reading Date Depth Notes
2. N-Value:Total blows over last 1.0 foot of 1.5-foot 24 hours 7/23/2023 31.8 ft Open hole
driven interval,unless otherwise indicated,using a 1 After drilling 7/22/2023 31 ft Open hole
3/8-inch ID splitspoon with 140-pound hammer falling After drilling 7/22/2023 24.5 ft Proposed seasonal high
30 inches..
3. Component percentages: Mostly-50-100%; Approximate SHWT Elevation 236.5 ft
Some-30-45%; Little-15-25%; Few-5-10%;Trace-
<5%.
SAS FORM 1836-A Boring Designation B-1 SHEET 2 of 2
FEB 08
Boring Designation B-3
DRILLING LOG DIVISION INSTALLATION SHEET 1
South Atlantic Division Fort Liberty(Formerly Fort Bragg) OF 2 SHEETS
1.PROJECT 9.COORDINATE SYSTEM HORIZONTAL VERTICAL
PN79439.2 SHWT State Plane-North Carolina NAD83 NAVD88
10.SIZE AND TYPE OF BIT Hollow Stem Auger 2-1/4"
2.HOLE NUMBER LOCATION COORDINATES 11.MANUFACTURERS DESIGNATION OF DRILL
B-3 N 486230.792 E 1989593.448 Diedrich D70
3.DRILLING AGENCY 12.TOTAL SAMPLES DISTURBED UNDISTURBED
Corps of Engineers- CESAS 8 0
4.NAME OF DRILLER 13.TOTAL NUMBER CORE BOXES 0
Kaleb Graffagnino •
•
14.DEPTH GROUND WATER See Remarks
5.DIRECTION OF BORING DEG FROM BEARING
®VERTICAL VERTICAL STARTED COMPLETED
n INCLINED --- 15.DATE BORING 7/22/23 7/22/23
6.THICKNESS OF OVERBURDEN >35' 16.ELEVATION TOP OF BORING 267'
7.DEPTH DRILLED INTO ROCK 17.TOTAL CORE RECOVERY FOR BORING N/A
18.SIGNATURE AND TITLE OF INSPECTOR
8.TOTAL DEPTH OF BORING 35' Colby Brown, Geologist
0 0 cv
ELEV DEPTH w FIELD CLASSIFICATION OF MATERIALS % z 0 REMARKS 3 v? a
0
J (Description) REC IN38 0-a" m o Z
co
'-=... Topsoil. 2 0
1.0 100 s-1 5 11 _
• POORLY GRADED SAND(SP), moist, medium 6
- 2.5 ' • dense,fine sand, light yellow brown. -
. POORLY GRADED SAND WITH SILT(SP-SM), -
, > moist,loose,mostly fine sand,few silt, brown. -
1
- 5.0 100 S-2 2 7 — 5
. , SILTY SAND(SM),dry, loose,mostly fine to medium 5
sand,little silt, red. -
- 8.0
. POORLY GRADED SAND WITH SILT(SP-SM),dry, -
> medium dense, mostly fine to medium sand,few silt, 4
• yellow red. 100 S-3 6 15 — 10
• 9
0
- 12.0 _" -
• POORLY GRADED SAND(SP),dry, medium dense, -
• fine to coarse sand,gray.•
-
• 5
- 15.0 100 S-4 6 13 — 15
/ POORLY GRADED SAND WITH CLAY(SP-SC), 7
moist,loose to medium dense,fine sand,few clay, -
gray. _
//
1
°// 73 s-s a 7 — 20
3
o
/
//
/ 2
ey 87 s-s 3 7 — 25
4
/
e
y
/ 4
100 S-7 5 13 — 30
8
/
ey
/
/ 3
-35.0 % 100 s-8 10 17 _
SAS FORM 1836-A BOTTOM OF BOREHOLE AT 35.0 ft Boring Designation B-3 — 35
FEB 08 SHEET 1 of 2
Boring Designation B-3
INSTALLATION
DRILLING LOG (Cont Sheet) Fortt Liberty(Formerly Fort Bragg) OF of 2
2 2 SHEETS
PROJECT COORDINATE SYSTEM HORIZONTAL VERTICAL
PN79439.2 SHWT State Plane NAD83 NAVD88
LOCATION COORDINATES ELEVATION TOP OF BORING
N 486230.792 E 1989593.448
0 0
ELEV DEPTH FIELD CLASSIFICATION OF MATERIALS REC E o REMARKS o j
J (Description) m Fa(Description)
Notes: Water Level Data
1. Soils visually classified in accordance with ASTM Reading Date Depth Notes
D2488. After drilling7/22/2023
2. N-Value:Total blows over last 1.0 foot of 1.5-foot 20 ft Proposed seasonal high
driven interval,unless otherwise indicated,using a 1 After drilling 7/22/2023 NA Dry
3/8-inch ID splitspoon with 140-pound hammer falling
30 inches.. Approximate SHWT Elevation 247.0 ft
3. Component percentages: Mostly-50-100%;
Some-30-45%; Little-15-25%; Few-5-10%;Trace-
<5%.
SAS FORM 1836-A Boring Designation B-3 SHEET 2 of 2
FEB 08