Cell_3_Geotechnical_Report-Borings.pdf
PDF 37 MB Posted
- Solicitation number
- B-7-26-11
- Issued by
- Brevard County, Florida
About this file
Summary of Geotechnical Report - Cell 3 Landfill Base Construction
This is a geotechnical report and soil boring profile document prepared by Ardaman & Associates, Inc. for Brevard County Solid Waste Management Department's South Landfill Central Disposal Facility (CDF) in Cocoa, Florida. The report documents subsurface soil conditions and engineering properties for the proposed Cell 3 Class I landfill base liner construction project covering approximately 52 acres. Six soil borings (TH-C3-1, TH-C3-2, TH-C3-3, TH-C4-4, TH-C4-5, and TH-C5-6) were conducted between March 20 and March 30, 2023, with ground elevations ranging from 19.4 to 20.0 feet. The report includes boring location plans, soil profile logs, grain size distribution curves, Standard Penetration Test (SPT) results, and undisturbed sample properties including water content, liquid and plastic limits, fines content, undrained shear strength, and vertical hydraulic conductivity measurements. Boring depths extended to approximately 140 feet below ground surface to characterize soil stratigraphy and engineering properties relevant to liner system design and foundation stability.
The geotechnical investigation identified four primary soil units: shallow sandy soil, shallow clayey deposits, deep sandy soil, deep clayey deposits, and an effectively rigid formation at depth. SPT-N values ranged from 4 to 18 blows per foot in the upper soil layers, with soil classifications including SP, SM, SP-SM, and other designations per the Unified Soil Classification System. Undisturbed samples from cohesive soils demonstrated varying stiffness conditions from very soft to stiff, with undrained shear strength values up to approximately 1,500 psf. Vertical hydraulic conductivity measurements ranged from 10⁻⁸ to 10⁻⁵ centimeters per second across different soil layers. The report provides the foundation for design and construction specifications of the Cell 3 landfill base liner system, including subgrade preparation requirements, liner component selection, and drainage layer design. The document was approved on October 31, 2023, and includes coordinate locations and detailed boring logs essential for construction planning and quality assurance during Cell 3 base construction.
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26.6
18.05
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22.329
25.874
22.577
22.49
22.771
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22.453
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18.833
22.123
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21.582
28.931
22.769
TH-C3-2 TH-C3-3
TH-C4-5
TH-C3-1
TH-C4-4
TH-C5-6
DRAWN BY:
FILE NO. APPROVED BY:
CHECKED BY: DATE:
FIGURE:
21-13-0077
ACV 11/1/23
JM
BREVARD COUNTY SOUTH LANDFILL
CELLS 3 THROUGH 5
BORING AND PIEZOMETER
LOCATION PLAN
Scale: 1" = 500'
IMAGERY SOURCE:
GOOGLE EARTH, APRIL 30, 2023
TOPO SOURCE:
PEAVEY & ASSOCIATES, MARCH 29, 2022
0 500 1,000250
W
Pr oj ec ts
\2
1\
-1 3-
\A rc
L ay ou ts
\2
3_ Bo rin g_
Lo ca tio n_
Pl an
.a pr x
DENSE VEGETATION
Legend
Boring Location
Piezometer Location
DENSE VEGETATION
DENSE VEGETATION
DENSE VEGETATION
DENSE VEGETATION
DENSE VEGETATION
FKC
CENTRAL DISPOSAL FACILITY (CDF)
SOUTH LANDFILL
BREVARD COUNTY, FLORIDA
PROPOSED
CELL 3
PROPOSED
CELL 4
PROPOSED
CELL 5
RECENTLY
CONSTRUCTED
CELL 2
ACTIVE
CELL 1
WEST STORMWATER
MANAGEMENT POND
SLURRY
WALL
LANDFILL
EAST
POND
PZ-6S
PZ-6D
U.S. STANDARD SIEVE SIZE
IN
IN
IN
3/
IN
3/
IN
N o.
N o.
N o.
N o.
N o.
N o.
N o.
N o.
GRAVEL SAND
SILT CLAY
COARSECOARSE FINE MEDIUM FINE
S :\P ro je ct s\
\2 1-
-0
N ee l- S ch af fe r
B re va rd C
D F
C el ls th ru
\0
E ng in ee rin g\ P lo ts
\G ra da tio n P lo ts
.J N
B
GRAIN SIZE (MILLIMETERS)
0.0010.010.1110100
P E
R C
E N
T F
IN
E
R B
Y W
E
IG
H T
Boring Symbol Sample Depth BLS
(ft)
SPT-N
(blows/ft)
-200 (%) USCS
TH-C3-1 2 1.5 - 3 18 5.6 SP-SM
TH-C3-1 5 6 - 7.5 7 14.3 SM
TH-C3-2 1 0 - 1.5 7 2.3 SP
TH-C3-3 3 3 - 4.5 6 14.6 SM
TH-C3-3 7 9 - 10.5 5 12.6 SM
TH-C4-4 6 7.5 - 9 6 14.2 SM
TH-C4-5 1 0 - 1.5 7 3.2 SP
TH-C4-5 5 6 - 7.5 4 10.9 SP-SM
TH-C5-6 1 0 - 1.5 13 8.0 SP-SM
TH-C5-6 6 7.5 - 9 8 13.6 SM
FIGURE:APPROVED BY:FILE NO:
DATE:CHECKED BY:DRAWN BY:
Geotechnical, Environmental and Materials Consultants
Ardaman & Associates, Inc.
21-13-0077
10/30/2023HA
GRAIN SIZE DISTRIBUTION CURVES
CENTRAL DISPOSAL FACILITY (CDF)
SOUTH LANDFILL
BREVARD COUNTY, FLORIDA
BREVARD COUNTY SOUTH LANDFILL
CELLS 3 THROUGH 5
JM
FKC
TH-C3-1
N. 1,474,849.71
E. 709,067.31
DATE: 3/24/2023
GROUND ELEV. 19.4'
TH-C3-2
N. 1,474,849.71
E. 709,797.18
DATE: 3/22/2023
GROUND ELEV. 20.0'
TH-C3-3
N. 1,474,849.71
E. 710,527.05
DATE: 3/20/2023
GROUND ELEV. 20.0'
TH-C4-4
N. 1,473,905.74
E. 709,912.35
DATE: 3/29/2023
GROUND ELEV. 19.5'
TH-C4-5
N. 1,473,905.74
E. 710,538.77
DATE: 3/30/2023
GROUND ELEV. 19.6'
TH-C5-6
N. 1,473,156.93
E. 710,434.15
DATE: 3/30/2023
GROUND ELEV. 19.5'
N
N N
N N
N
LEGEND
Ardaman & Associates, Inc.
FKC
BREVARD COUNTY SOUTH LANDFILL
CELLS 3 THROUGH 5
CENTRAL DISPOSAL FACILITY (CDF)
SOUTH LANDFILL
BREVARD COUNTY, FLORIDA
521-13-0077
10/31/23JMBHV
SOIL BORING PROFILES
0 10 20 30 40 50 60
SPT-N Value
0 10 20 30 40 50 60 D e p th B e lo w G ro u n d
S u rf ac e fe e t)
TH-C3-1
TH-C3-2
TH-C3-3
TH-C4-4
TH-C4-5
TH-C5-6
S
P ro je ct s\
\2
-1
-0
N e e l-
S ch a ff e r
B re va rd C
D F
C e lls t h ru
\0
E n g in e e ri n g \P lo ts
Generalized Soil Profile
D e p th
B e lo w
G ro u n d S u rf ac e fe e t)
Note: Samples with refusal (>50 blows/6-inch penetration) are plotted as 60 blows/ft FIGURE:APPROVED BY:FILE NO:
DATE:CHECKED BY:DRAWN BY:
Geotechnical, Environmental and Materials Consultants
Ardaman & Associates, Inc.
21-13-0077
10/30/2023AP
SPT SAMPLE PROPERTIES WITH DEPTH
CENTRAL DISPOSAL FACILITY (CDF)
SOUTH LANDFILL
BREVARD COUNTY, FLORIDA
BREVARD COUNTY SOUTH LANDFILL
CELLS 3 THROUGH 5
JM
FKC
COHESIVE
SOILS
COHENSIONLESS
SOILS V
E
R Y
LO
O
S E
LOOSE MEDIUM DENSE DENSE VERY DENSE
V .S
O F
T
S O
F T
M E
D
IU
M S
T
IF
F
STIFF VERY STIFF HARD
Shallow Sandy Soil
Shallow Clayey Deposit
Deep Sandy Soil
Deep Clayey Deposit
Effectively Rigid Formation
0 10 20 30 40 50
Water Content (%)
0 10 20 30 40 50
Liquid Limit Plastic Limit
0 20 40 60 80 100
Fines Content (%)
0 20 40 60 80 100
0 500 1000 1500
Undrained Shear Strength Su (psf)
0 500 1000 1500
D e p th
B e lo w
G ro u n d S u rf ac e fe e t)
TH-C3-1
TH-C3-2
TH-C3-3
TH-C4-4
TH-C4-5
TH-C5-6
S
P ro je ct s\
\2
-1
-0
N e e l-
S ch a ff e r
B re va rd C
D F
C e lls t h ru
\0
E n g in e e ri n g \P lo ts
Generalized Soil Profile
D e p th
B e lo w
G ro u n d S u rf ac e fe e t)
FIGURE:APPROVED BY:FILE NO:
DATE:CHECKED BY:DRAWN BY:
Geotechnical, Environmental and Materials Consultants
Ardaman & Associates, Inc.
21-13-0077
10/04/23AP
UNDISTURBED SAMPLES
PROPERTIES WITH DEPTH
CENTRAL DISPOSAL FACILITY (CDF)
SOUTH LANDFILL
BREVARD COUNTY, FLORIDA
BREVARD COUNTY SOUTH LANDFILL
CELLS 3 THROUGH 5
JM
FKC
Shallow Sandy Soil
Shallow Clayey Deposit
Deep Sandy Soil
Deep Clayey Deposit
Effectively Rigid Formation
0 10 20 30 40 50 60
Water Content (%)
0 10 20 30 40 50 60
Liquid Limit Plastic Limit
0 20 40 60 80 100
Fines Content (%)
0 20 40 60 80 100
10-8 10-7 10-6 10-5
Vertical Hydraulic Conductivity kv (cm/sec)
10-8 10-7 10-6 10-5
COHESIVE
SOILS
VERY
SOFT
MEDIUM STIFF STIFFSOFT
Note: Shown Water Content is average of water content of Shelby Tube, fines contents are from permeability and Triaxial test specimens
File details come from the government source that posted it. Updated .