GBA provides an array of services, including hydrographic surveying, coastal engineering, channel design, dredged material handling and construction management, in a distinctly different way. We bring over 25 years of hands-on experience in the dredging and dredged material placement industry to compliment our technical expertise. This unique combination of technical expertise and practical knowledge sets us apart. Our hydrographic surveying experience and capabilities, dredging and dredged material management services, demonstrated beneficial use of dredge material and environmental restoration capability, and coastal engineering activities bring a special mix of a strong engineering background and practical knowledge to meet our clients' needs.

***Professional engineering and surveying services in North Carolina are provided by Gahagan & Bryant Associates of NC, PLLC***


  • Mason Inlet Relocation Project, New Hanover County, NC
  • Jupiter Island Beach Renourishment Project, Hobe Sound, FL