GCI
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Geotechnical Consultants Inc. (GCI) provides a complete range of practical, cost-effective geotechnical engineering, environmental,building envelope consulting, and construction materials engineering and testing services to help clients throughout the Midwest and Mid-Atlantic regions manage risk and make timely informed decisions.

With GCI's sound engineering principles, in-depth knowledge of regulatory requirements, experienced personnel and innovative approach, clients trust that their projects will be completed on time with future risk mitigated.

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Services

geotechnical engineering

Geotechnical Engineering

GCI provides a broad range of geotechnical engineering expertise services, subsurface exploration and soil testing to assist clients in managing underground risk.

environmental engineering

Environmental Consulting

GCI provides a full range of environmental assessment, inspection and remediation services to assist clients throughout environmental due diligence, design, clean-up and construction.

engineering field services

Field Services

GCI's Construction Materials Engineering and Testing (CoMET) services provide continuity for clients from design throughout construction, keeping clients' construction projects on track with our knowledgeable and experienced problem-solving approach.

special inspections

Special Inspections

Special Inspections involve the evaluation of materials, workmanship, and the interpretation of contract documents. Chapter 17 of the Ohio Building Code details the required Special Inspections for 20 categories of construction work.

steel nde

Steel/NDE

GCI's structural steel testing and non-destructive examination (NDE) testing staff are trained and certified to provide a broad range of observation and testing services to keep clients' construction projects on track and compliant with applicable codes.

building envelope

Building Envelope Consulting

BEC services during design and construction provide independent review, testing, and observation to confirm that building envelope elements are installed according to specifications, the building performs as designed, and costs are minimized.

drone imaging

Drone Imaging Services

GCI uses advanced drone imaging to collect data that informs and supports the work of our engineers, technicians and building envelope consultants. High resolution drone-acquired imagery helps make human work safer, more efficient and more accurate.

post tensioned concrete

Post-Tensioned Concrete

Post-tensioned (PT) concrete construction is a method of strengthening concrete or other materials with high-strength steel cables or strands, commonly referred to as tendons.

roller compacted concrete

Roller Compacted Concrete

Roller Compacted Concrete (RCC) is a type of pavement used for heavy-use or industrial pavement when strength and durability are especially important.

GeoTDR services

GeoTDR

Time Domain Reflectometry (TDR) or “cable radar” was adapted by GCI's Kevin O'Connor to monitor movement of foundations, roadways and slopes as well as changes in groundwater conditions and soil moisture.

Newsletters

holiday 2025

A Measure of What Matters Most - December 2025

As we reflect on 2025, here’s how GCI’s year measured up.

Q4 updates

Q4 Updates for Developers, Owners and Contractors – November 2025

Here are four quick year-end updates about mitigation for drought-impacted soils; Ohio DOD environmental grant application deadlines; firestop implementation reminders for GCs, CMs, and trade contractors; and GCI’s expansion of specialized utility installation monitoring services.

Property Condition Assessment

PCAs Help Accurately Plan for Building Acquisition and Maintenance – June 2025

A Property Condition Assessment (PCA) is a valuable tool that helps building investors, property managers, and purchasers better understand a property’s physical condition and probable costs to remedy deficiencies.


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