Global Geotechnical Consultants, LLC

Innovative Engineering with Quality Service

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About the firm

Global Geotechnical Consultants, LLC provides geotechnical engineering, construction material testing, retaining wall design, drilling services, and environmental site assessment (Phase I and II ESA) to clients in the Mid-Atlantic region. Founded in 2012 and headquartered in Woodbridge, Virginia, it serves transportation, commercial, residential, educational, and public facility sectors.

Established
2012
Firm type
Geotechnical Engineering · Environmental Engineering · Materials Testing

Credentials

U.S. Army Corps of Engineers - Materials Laboratory Certification · AASHTO Materials Reference Laboratory (AMRL) - Accredited · Cement and Concrete Reference Laboratory (CCRL) - Accredited

People

Janis Asare-BediakoPrincipal

Capabilities

Geotechnical Engineering

Service website

Analyzing soil, rock, and groundwater conditions to design safe and sustainable structural supports.

  • Geotechnical Exploration and Analysis

    Performing subsurface investigations and engineering calculations to determine soil bearing capacity.

  • Retaining Wall Design

    Designing earth retention systems, including gravity walls, mechanically stabilized earth (MSE) walls, and concrete structures.

  • Foundation Engineering and Analysis

    Recommending shallow and deep foundation systems tailored to site-specific subsurface profiles.

Construction Material Testing and Inspection

Service website

Evaluating material properties and structural elements to confirm compliance with engineering and safety specifications.

  • Soil Compaction and Evaluation

    Measuring in-place soil density and moisture-density relationships to verify bearing capacity.

  • Concrete Mix Testing

    Conducting slump, air content, and compressive strength tests on fresh and hardened concrete.

  • Asphalt and Pavement Evaluation

    Testing asphalt mixtures and density to verify pavement durability and compliance.

  • Structural Steel Inspection

    Inspecting structural steel connections, welds, and reinforced steel layouts.

Drilling Services

Service website

Operating specialized equipment to access subsurface formations and collect critical geological samples.

  • Subsurface Boring Operations

    Utilizing track and rubber-tired drill rigs to execute soil borings and rock coring.

  • Geotechnical Instrumentation Installation

    Placing inclinometers and piezometers to monitor soil movement and groundwater levels.

Laboratory Testing Services

Service website

Conducting standardized laboratory tests in an accredited facility to verify the properties of construction materials.

  • Laboratory Soil Testing

    Classifying soils and measuring moisture-density relations, permeability, and shear strength.

  • Laboratory Concrete and Asphalt Analysis

    Performing compressive strength, mix design, and core testing on concrete and asphalt samples.

Environmental Site Assessment

Service website

Conducting environmental investigations to identify and mitigate potential soil or groundwater contamination.

  • Phase I Environmental Site Assessment

    Reviewing historical records and performing site reconnaissances to identify potential environmental liabilities.

  • Phase II Environmental Site Assessment

    Collecting and analyzing soil, soil vapor, and groundwater samples to confirm the presence of contamination.

Construction Management

Service website

Providing oversight and quality control to guide construction projects from ground break to final inspection.

  • Construction Quality Assurance

    Monitoring construction activities to verify adherence to design specifications and regulatory standards.

  • Field Construction Oversight

    Supervising site preparation and structural installations to identify and address engineering issues in real time.

Industries

Transportation · Commercial · Residential · Education · Government

Projects

Dulles Metro Silver Line Phase II

Transportation

Project details

Geotechnical engineering and consulting services for the Dulles Metro Silver Line Phase II transit extension.

Transform I-66 Outside the Beltway

Transportation

Project details

Geotechnical exploration and engineering services for the Transform I-66 Outside the Beltway highway project.

10th Street Flats

Arlington, VA · Commercial

Project details

Geotechnical and materials testing services for the 10th Street Flats residential and commercial development in Arlington, Virginia.

Imagine Public Charter Schools

Education · Client: Imagine Schools

Project details

Geotechnical and engineering services for the Imagine Andrews charter school facilities.