Channel Design
Practical channel, turning basin, and berthing-area design shaped by permitting, maintenance, and long-term performance.
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GBA Services
Integrated Services. One Coastal Perspective.
Specialized engineering, surveying, investigation, and construction support for projects where land and water meet.
- 7
- Specialized Services
- 8
- Offices Nationwide
- 50+
- Years of Experience
From early investigation to construction completion.
GBA brings engineering judgment and hands-on marine experience to each phase of complex coastal and waterway work.
Our disciplines work together, helping project teams connect field data, regulatory requirements, practical design, and construction realities.
Service Directory
Specialized Capabilities, Connected by Experience
Explore each discipline and the capabilities available to support your project.
Dredging Engineering
Dredging plans, specifications, and cost analysis informed by hands-on contracting experience and disciplined engineering.
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Beneficial Use
Engineering strategies that turn dredged material into a resource for environmental restoration and resilient coastal projects.
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Hydrographic Surveying
Hydrographic and topographic surveys for ports, navigation channels, dredging, rivers, harbors, and beach nourishment projects.
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Coastal Engineering
Coastal engineering for beaches, wetlands, shore protection, reefs, structural design, land reclamation, modeling, and permitting.
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Construction Support
Construction supervision, inspection, reporting, quality management, and survey support from dredging through final material placement.
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Geotechnical Services
Sediment analysis, vibracore investigation, and accredited laboratory testing for dredging, construction, permitting, and beach compatibility.
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A Connected Path From Questions to Delivery
Understand
Define the operational, environmental, regulatory, and construction conditions shaping the work.
Investigate
Develop reliable survey and subsurface information before critical decisions are made.
Design
Translate field knowledge into practical plans, specifications, estimates, and permit support.
Deliver
Support procurement, construction, inspection, measurement, and project closeout.
Start a Conversation
Bring Your Coastal Project Into Focus.
Our engineers and surveyors are ready to help you plan, design, and deliver with confidence.