Geotechnical Engineering

We are a consulting engineering firm which specializes in providing practical and economical geotechnical engineering services to developers, architects, institutions and contractors.Our staff has extensive experience in subsurface explorations, geotechnical analysis, testing, foundation design, design of excavation support systems, and construction monitoring.

We provide geotechnical services including public and private, commercial, residential, institutional, and transportation-related projects primarily located in DC, MD and VA.

Construction and Material Testing (CMT) & Inspection Services

DE offers testing and inspection services and has supported capital projects by providing technicians, inspector and professional field personnel. It is staffed with technicians and inspectors certified through ACI, VDOT, MDSHA and WACEL on Concrete, Asphalt, Soil, Structural Masonry, Nuclear gauge and much more. DE operatesan in ouse laboratory accreditated byAASHTO, WACEL, CCRL and Army Corps of Engineers.

For your special and structural inspection requirements, it has certified and qualified team of professionals to provide on-site rebar and structural steel inspections in addition.

Laboratory Testing

Dulles Engineering (DE) operates soils and concrete materials testing laboratory. Our laboratory is accredited by the American Association of State Highway and Transportation Officials (AASHTO), CCRL and Army Corps of Engineers. DE is also an active member of WACEL.

Our Accreditation conforms to the requirements of ASTM D3740, ASTM E329, and AASHTO R-18. To maintain our accreditation with AASHTO, a highly defined Quality Management System (QMS) is in place for company organization, training, equipment calibration, technician certifications, reporting detail, and accuracy of test results. We participate in AMRL, CCRL and WACEL sample proficiency test programs for soil and concrete. Under the supervision of Professional Engineers, Laboratory Manager direct a staff of technicians with certifications by ACI, VDOT and WACEL. All procedures are performed in accordance with a QA/QC Laboratory Manual that is approved by the accreditation agencies.