When EXPERIENCE & QUALITY mean the most…....
GFA has the EXPERTISE you require!

GFA International brings decades of experience providing expert geotechnical solutions to complex projects of all sizes, whether public or private. The technical expertise of our team, our specialized training, our fleet of equipment and wide scope of capabilities has assisted our clients in finding solutions to difficult and complex challenges on a variety of projects.

Our Services

Our array of geotechnical consulting services is founded on a deep understanding of our clients’ needs, subsurface conditions, site-specific constraints, and the risks associated with soil stabilization and subterranean structural support during the construction or rehabilitation of dams/levees/culverts, tunnels, shafts, mines, subways, and commercial buildings.

  • Exploratory and Verification Borings
  • Sonic Drilling
  • Well Drilling
  • Wire Line Core Drilling
  • Angled Drilling
  • Optical Televiewers
  • Bore Hole Deviation Plot
  • Plot Bore Hole Permeability
  • Constant Head Permeability
  • Unconfined Compression Tests
  • Thermal Remediation Installation
  • Vertical Aquifer Profiling
  • DPT Services
  • In-Situ Injections
  • Vibration Monitoring
  • Remote Job Site Laboratory
  • Pre & Post Construction Video Survey

Our Qualifications

By Way Of Introduction To Our Capabilities And Qualifications, We Draw Your Attention To The Following Advantages Which Differentiate GFA From Many Of Our Competitors:

  • Certified federal small business: NAICS Codes #541330 (Engineering), 541380 (Testing Laboratories) & 562910 (Remediation Services)
  • USACE validated testing laboratories
  • Licensed geology and engineering Business
  • Same ownership & key management since 1988
  • A demonstrated ability to mobilize and equip fully functional and USACE certifiable laboratory facilities for major dam, levee and cutoff wall projects throughout the country
Feet of Verification Borings Completed on Cuttoff Wall Projects With A 99.8% Acceptance Rate Per Project Specifications
Miles Of Levee Projects As Contractors Engineering Firm To Conduct QC Services
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Verification Boreholes We Performed Borehole Imaging On
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Permeability Tests Performed in Our Remote Laboratories

Our Equipment

GFA owns and maintains a diverse and modern equipment fleet outfitted with the highest quality, state-of-the-art tooling, some of which include:

  • Expansive fleet of drill rigs
  • Geoprobe 8150LS Rotary Sonic Rig
  • Terra Sonic TSi 150 Compact Crawler
  • Geo-logging equipment
  • Optical televiewers
  • Bore hole deviation measurement & CCTV systems
  • Fully outfitted portable laboratories performing UCS, permeability, specific gravity, unit weight as required by project specifications

Our Experience

GFA has performed testing and inspection services on levee projects throughout the country and has extensive experience performing contractor quality control services on USACE Projects. 

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