2c_-_Heron_Geotechnical_Data.pdf
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- Solicitation number
- 26-B-38IF
- Issued by
- Volusia County, Florida
About this file
This is a Geotechnical Data Report prepared by Bechtol Engineering and Testing, Inc. (BET) for Coastal Tech-G.E.C., Inc. and the Heron Street Beach Access project in Port Orange, Volusia County, Florida. The report documents subsurface soil conditions and engineering parameters necessary for the design and construction of a replacement boardwalk landing and sheet pile bulkhead structure. BET conducted one Standard Penetration Test (SPT) boring advanced to 40 feet below existing ground surface adjacent to the probable construction areas. The geotechnical investigation evaluated the physical and strength characteristics of shallow subsurface materials to provide soil parameters for design purposes. The report includes soil profiles, boring location plans, and a comprehensive table of suggested soil parameters including unit weight, friction angle, cohesion, modulus of subgrade reaction, earth pressure coefficients, and relative density at various depth intervals from 0 to 40 feet below ground surface.
The report, dated September 27, 2024, presents subsurface conditions consisting primarily of fine sands with varying densities and shell content. Groundwater was encountered at approximately 1.8 feet below existing ground surface as of September 16, 2024. Soil parameters are stratified by depth, with friction angles ranging from 36.2 to 39.4 degrees, unit weights between 100 and 138 pounds per cubic foot, and modulus of subgrade values between 3.92 and 5.07 pounds per cubic inch depending on depth. The report was prepared under BET Project No. G24130 and professionally sealed by Love B. Patel, P.E., a Florida Professional Engineer. This geotechnical data supports the broader Heron Street, Egret Avenue, and Mallard Street Seawall Replacement Project, which was initiated to address damage from Hurricanes Ian and Nicole to beachfront armoring and public beach access facilities in Wilbur by the Sea.
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Text version
September 27, 2024
BET Project No. G24130
TO: Mr. Tem Fontaine, P.E.
Coastal Tech-G.E.C., Inc.
3625 20th Street
Vero Beach, Florida 32960
RE: Report of Geotechnical Data
Heron Street Beach Access
Parcel # 631202000002
Port Orange, Volusia County, Florida
Dear Mr. Fontaine:
As requested, Bechtol Engineering and Testing, Inc. (BET) has provided geotechnical services at the above referenced project site. The purpose of BET’s services was to evaluate physical and strength characteristics of subsurface materials encountered by test boring within the probable construction area of a replacement board walk landing and sheet pile bulkhead, and based on these characteristics, to provide soil parameters for use in sheet pile, bulkhead, and boardwalk landing design (by others).
In order to evaluate the physical and strength characteristics of the site’s shallow subsurface soils, BET advanced one (1) Standard Penetration Test (SPT) boring (ASTM D1586) adjacent to the probable construction areas, to a depth of 40 feet below existing ground surface. Approximate location of the boring is shown on the Boring Location Plan presented on the attached Figure 1. Encountered subsurface conditions are presented in the form of Soil Profiles, also shown on Figure 1. Additionally, Suggested Soil Parameters are tabulated on Figure 1 to aid the Design Engineer in the design and construction of the replacement board walk landing and sheet pile bulkhead structures.
BET appreciates the opportunity to be of service, and trusts the attached geotechnical data is sufficient for your needs. However, if you should have any questions, or if BET may be of further service, please do not hesitate to call.
Respectfully, Bechtol Engineering and Testing, Inc.
Love B. Patel, P.E.
Senior Geotechnical Engineer Love B. Patel, P.E., State of Florida Professional Engineer, License No. 90753 This item has been digitally signed and sealed by Love B. Patel, P.E. on the date adjacent to the seal. Printed copies of this document are not considered signed and sealed, and the signature must be verified on any electronic copies.
G24130 Report of Geotechnical Data.wpd
A P
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C H
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S S
SOIL PROFILES
SOIL & SYMBOL LEGEND
VERTICAL SCALE: 1" = 5'
BORING LOCATION PLAN
SCALE: 1" = 40'
LIGHT GRAY-BROWN TO BROWN FINE SANDS, (SP),
LOOSE TO VERY DENSE
LIGHT BROWN TO BROWN FINE SAND, WITH VARYING
QUANTITIES OF SHELL, (SP), MEDIUM DENSE TO VERY
DENSE
DARK GRAY TO GRAY FINE SAND, WITH SHELL, (SP),
MEDIUM DENSE TO VERY DENSE
UNIFIED SOIL CLASSIFICATION GROUP SYMBOL AS
DETERMINED BY VISUAL EXAMINATION
GROUNDWATER LEVEL, REFERENCED IN FEET TO
EXISTING GROUND SURFACE, DATE OF READING
STANDARD PENETRATION RESISTANCE IN BLOWS PER
FOOT
APPROXIMATE LOCATION OF STANDARD PENETRATION
TEST BORING
N
(SP)
-1.8
9-16-24
TB-1
TB-1
-1.8
9-16-24
64.8
46.3
74.5
0.0' TO 2.0'
DEPTH
MODULUS OF
SUBGRADE - K
(pci)
SUGGESTED SOIL PARAMETERS
30.4
39.4
COHESION - c (ksf)
0.00
0.00
NA
STRAIN AT 50%
STRESS - e50
(in./in.)
NA138.0
16.7
UNIT
WEIGHT - Ɣ
(pcf)
FRICTION
ANGLE - Φ
(degrees)
42.1 0.00 NA197.2
RELATIVE
DENSITY
90.19
22.65
95.94
2.0' TO 4.0'
5.0' TO 24.0'
60.9 38.2 0.00 NA100.0 67.4724.0' TO 39.0'
AT REST
EARTH
PRESSURE K0
0.33
ACTIVE
EARTH
PRESSURE KA
0.220.37
0.49
0.200.33
PASSIVE
EARTH
PRESSURE KP
4.48
3.05
5.07
0.240.38 4.24
59.0 36.4 0.00 NA67.2 53.9239.0' TO 40.0' 0.260.41 3.92
D
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B E
L O
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IS
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IN
G G
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D S
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F A
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S O
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A T L A
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A V
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U E
HERON STREET
SCALE (feet)
0 20 30 40
59.4 36.8 0.00 NA72.0 56.124.0' TO 5.0' 0.250.40 3.99
| 2024-09-27T09:49:21-0400 | |
| Love B Patel |
File details come from the government source that posted it. Updated .