Geotechnical Consulting & Testing, Inc. (GC&T) was established in 1990 with the mission of providing quality professional engineering services to the development and construction industry in the specialized fields of Geotechnical Engineering and Construction Materials Testing and Inspection.

GC&T has the most up to date field and laboratory testing equipment to facilitate accurate and cost effective performance of tests on soil, concrete and reinforcing steel. Our laboratory facility is accredited by the Washington Area Certified Engineering Laboratory (WACEL).

During the past sixteen (plus) years, GC&T has provided geotechnical engineering and construction material inspection and testing services on literally hundreds of new commercial, retail and residential projects throughout the Northern Virginia and Maryland areas.

GC&T Headquater in Woodbridge Neabsco Creek

Our staff has provided their expertise on some of Northern Virginia, Maryland and Washington, DC largest projects including: •  Prince William/Fauquier County     Cancer Center •  National Institute of Health – Cancer Research     Center •  The Secrete Service Head Quarter Office     Building •  The Ronald Reagan Building (formerly known as     the Federal triangle) •  The Navy Federal Credit Union Office Building •  The Dulles Airport Main Terminal Expansion •  UOSA Waste Water Treatment •  Alexandria Waste Water Treatment Plant •  Port Potomac (980 Homes) •  Eagle's Point (800 homes) •  Harbor Station (2000 homes) •  Wayside (500 homes) •  Fort Belvoir Family Housing (1800 homes) •  South Village (400 homes) •  Paramount Condominiums

GC&T, Inc. has a comprehensive in-house Quality Assurance and Quality Control Program (QA/QC). We have instituted and implemented a quality assurance manual which is available to our clients for their review upon request. This document is intended to focus on quality control measures which are applied during project execution and are oriented towards assuring that our work is technically appropriate, accurate and complete. A summary of the in-house Quality Control Program is as follows:

Our field inspectors are certified by the Washington Area Council of Engineering Laboratories (WACEL), American Concrete Institute (ACI), and/or the Virginia Department of Transportation (VDOT) in Soils, Concrete or Asphalt. 

The inspectors, who perform soil compaction testing utilizing a “Nuclear” gauge, must attend a eight (8) hour Nuclear Gauge and Radiation Safety Training seminar. Each inspector, when employed, spends a minimum of 40 hours in training offered in-house to become familiar with the company policies and procedures. 

The field inspectors work directly under the supervision of registered professional engineers. 
All our field staff is interconnected to a telecommunication’s network that keep them in continuous contact with our project engineers.  At least one engineer is always present in the office at all times when inspectors are working in the field to provide assistance and to answer questions if required.  This communication between our field and office personnel has improved our problem solving ability and increased our efficiency. 

Our engineering and testing services are supported by an accredited in-house materials laboratory that enables us to efficiently perform the tests necessary to analyze the different construction materials and establish their engineering properties.  Our laboratory facility is inspected by the AASHTO Materials Reference Laboratory (AMRL) and the Cement and Concrete Reference Laboratory (CCRL) of The National Institute of Standards and Technology and WACEL at regular intervals to review our testing and inspections procedures.