Bunten Road Park Improvement Project
| Agency: | City of Duluth |
|---|---|
| State: | Georgia |
| Type of Government: | State & Local |
| NAICS Category: |
|
| Posted Date: | Dec 23, 2025 |
| Due Date: | Jan 22, 2026 |
| Original Source: | Please Login to View Page |
| Contact information: | Please Login to View Page |
| Bid Documents: | Please Login to View Page |
| Description | Opening Date/Time | Closing Date/Time |
|
Bunten Road Park Improvement Project Geotech RPT |
December 10, 2025 : |
January 22, 2026 11:00 AM |
Attachment Preview
Proposal Cov er Page
Bunten Road Park
Report Cover Page
Improvements
Duluth, Gwinnett County, Georgia
Geotechnical Engineering Report
December 12, 2024 | Terracon Project No. 49245278
Prepared for:
Columbia Engineering
2862 Buford Highway, Suite 200
Duluth, Georgia 30096
Report Cov er L etter to Sign
December 12, 2024
2105 Newpoint Place, Suite 600
Lawrenceville, GA 30043
P (770) 623-0755
Terracon.com
Columbia Engineering
2862 Buford Highway, Suite 200
Duluth, Georgia 30096
Attn: Ms. Erin White, PLA
P: (678) 769 8901
E: erinwhite@columbia-engineering.com
Re: Geotechnical Engineering Report
Bunten Road Park Improvements
3180 Bunten Road
Duluth, Gwinnett County, Georgia
Terracon Project No. 49245278
Dear Ms. White:
We have completed the scope of Geotechnical Engineering services for the above
referenced project in general accordance with Terracon Proposal No. P49245278 dated
October 11, 2024. This report presents the findings of the subsurface exploration and
provides geotechnical recommendations concerning earthwork and the design and
construction of foundations for the proposed project.
We appreciate the opportunity to be of service to you on this project. If you have any
questions concerning this report or if we may be of further service, please contact us.
Sincerely,
Terracon
E. Kelly Watson, P.E.
Senior Geotechnical Engineer
William J, Sheffield, P.E.
Principal / Department Manager - Geotechnical
Facilities | Environmental | Geotechnical | Materials
Geotechnical Engineering Report
Bunten Road Park Improvements | Duluth, Gwinnett County, Georgia
December 12, 2024 | Terracon Project No. 49245278
Table of Contents
Report Summary .............................................................................................. i
Introduction.................................................................................................... 1
Project Description.......................................................................................... 1
Site Conditions ................................................................................................ 2
Geotechnical Characterization ......................................................................... 3
Site Geology ............................................................................................ 3
Typical Subsurface Profile .......................................................................... 4
Groundwater ............................................................................................ 5
Infiltration Rate .............................................................................................. 6
Geotechnical Overview .................................................................................... 6
MSE or Gabion Wall................................................................................... 6
Paved Multi-Use Trails ............................................................................... 7
Earthwork ....................................................................................................... 8
Site Preparation........................................................................................ 8
Subgrade Preparation ................................................................................ 8
Existing Fill .............................................................................................. 9
Excavation............................................................................................... 9
Fill Material Types ....................................................................................11
Fill Placement and Compaction Requirements ...............................................11
Utility Trench Backfill................................................................................12
Grading and Drainage...............................................................................13
Groundwater Considerations ......................................................................13
Earthwork Construction Considerations .......................................................13
Construction Observation and Testing .........................................................14
General Comments ........................................................................................ 14
Attachments
Exploration and Testing Procedures
Photography Log
Site Location and Exploration Plans
Exploration and Laboratory Results
Supporting Information
Note: This report was originally delivered in a web-based format. Blue Bold text in the
report indicates a referenced section heading. The PDF version also includes hyperlinks
which direct the reader to that section and clicking on the
logo will bring you
back to this page. For more interactive features, please view your project online at
client.terracon.com. Refer to each individual Attachment for a listing of contents.
Facilities | Environmental | Geotechnical | Materials
i
Geotechnical Engineering Report
Bunten Road Park Improvements | Duluth, Gwinnett County, Georgia
December 12, 2024 | Terracon Project No. 49245278
Report Summary
Topic 1
Overview Statement 2
Project
Description
The project will include reconstruction of the existing paved multi-
purpose trails and parking areas, new retaining walls, and storm
drainage, landscaping, and various other ADA improvements.
Geotechnical
Characterization
Some areas of existing fill up to 5 of more feet deep.
Hand auger refusal occurred in all of the borings at the proposed
MSE/Gabion wall. Depths ranged from about 3 to 5½ feet.
Difficult excavation techniques may be required for excavations at
the MSE/Gabion wall.
Groundwater not observed in the borings during our exploration.
Earthwork
Existing lean clays, sandy silt, and silty sands can be used for
engineered fill.
Clays should not be used as wall backfill.
General
Comments
This section contains important information about the limitations
of this geotechnical engineering report.
1. If the reader is reviewing this report as a pdf, the topics above can be used to access
the appropriate section of the report by simply clicking on the topic itself.
2. This summary is for convenience only. It should be used in conjunction with the entire
report for design purposes.
Facilities | Environmental | Geotechnical | Materials
i
Geotechnical Engineering Report
Bunten Road Park Improvements | Duluth, Gwinnett County, Georgia
December 12, 2024 | Terracon Project No. 49245278
Introduction
This report presents the results of our subsurface exploration and Geotechnical
Engineering services performed for the proposed Improvements to Bunten Road Park.
The purpose of these services was to provide information and geotechnical engineering
recommendations relative to:
■ Hand auger boring logs with dynamic cone penetrometer (DCP) data.
■ Soil stratification based on visual soil classification.
■ Groundwater levels observed during and after the completion of drilling.
■ Site Location and Exploration Plans.
■ Subsurface exploration procedures.
■ Description of subsurface conditions.
■ Earthwork recommendations including use of on-site soils as structural fill,
structural placement, excavation conditions, groundwater control, and
site/subgrade preparation.
■ Comments on the stability of the slope and MSE wall and a design foundation
bearing pressure.
■ Measured walking trail pavement thicknesses at 6 locations.
■ Infiltration rate testing results at 4 on-site stormwater treatment facilities
Drawings showing the site and boring locations are shown on the Site Location and
Exploration Plans, respectively.
Project Description
Our initial understanding of the project was provided in our proposal and was discussed
during project planning. A period of collaboration has transpired since the project was
initiated, and our final understanding of the project conditions is as follows:
Item
Information
Provided
Description
The following plans were provided in an emailed RFP from Erin
White dated 9-30-24:
ADA and Trail Improvements, Bunten Road Park, Concept
Plan, Sheet 1, dated 2-26-24.
Bunten Park – grading and concept plan for Flex/MSE Wall
Bunten Road Park Improvement Project, Preliminary
Construction Plans (60% set), dated 5-23-24.
Facilities | Environmental | Geotechnical | Materials
1
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See Also
Event ID Event Title Government Entity Start Date (ET) End Date (ET) PE-68990-NONST-2027-000000042
State Government of Georgia
Bid Due: 7/30/2026
Project: Salcedo Lift Station Rehabilitation Project Ref. #: 26-0078-3 Type: ITB Status: Open
Chatham County
Bid Due: 8/11/2026
Event ID Event Title Government Entity Start Date (ET) End Date (ET) PE-68990-NONST-2027-000000043
State Government of Georgia
Bid Due: 8/20/2026
Event ID Event Title Government Entity Start Date (ET) End Date (ET) PE-77548-NONST-2027-000000397
State Government of Georgia
Bid Due: 8/14/2026