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Civil Engineering Experts in Washington, DC
Founded to deliver specialized civil engineering solutions, our firm has built a reputation for excellence in geotechnical, environmental, and occupational health & safety engineering. Our team of registered professionals, including engineers, industrial hygienists, and safety experts, leverages decades of combined experience to serve federal, state, and local government agencies globally. We prioritize client satisfaction through rigorous quality control procedures, industry-recognized certifications, and a collaborative approach that integrates staff, subcontractors, and clients.

With a proven track record of contract renewals and commendations from major clients, our expertise spans 50 states and 165 countries. Our commitment to innovation and technical precision ensures we exceed project requirements while maintaining the highest standards of professional integrity.
Services
Geotechnical Engineering Construction Materials Testing Environmental Engineering Occupational Health and Safety Subsurface Utility Engineering
Highlights and features
  • We employ AASHTO-accredited materials testing laboratories in Maryland and DC.
  • Our team includes certified professionals with 15-45 years of individual expertise.
  • We implement ISO-aligned quality control procedures across all projects.
  • We maintain a global operational footprint spanning 165 countries.
  • Our client retention rate demonstrates consistent delivery of exceed expectations.
Associations and certifications
  • AASHTO
Services
Geotechnical Engineering
We analyze soil and rock mechanics to solve foundation and earthwork challenges for infrastructure projects. Our services include subsurface investigations, pavement design, and instrumentation monitoring. Clients benefit from our AASHTO-accredited testing capabilities and 40+ years of collective engineering expertise.
Construction Materials Testing
Our AASHTO-accredited laboratories conduct comprehensive testing for construction materials including soils, concrete, and asphalt. We provide quality control oversight for earthwork and foundation projects. Clients receive data-driven recommendations to ensure structural integrity and compliance with engineering standards.
Environmental Engineering
We deliver environmental site assessments, regulatory compliance audits, and hazardous material management solutions. Our team handles air quality monitoring, stormwater management, and remediation projects. Clients receive tailored strategies to meet federal and state environmental regulations.
Occupational Health and Safety
We provide industrial hygiene assessments, safety program development, and exposure evaluations for construction sites. Our certified professionals conduct asbestos and lead inspections, indoor air quality testing, and safety audits to ensure workplace compliance with OSHA standards.
Subsurface Utility Engineering
We perform subsurface utility investigations using ground-penetrating radar and vacuum excavation. Our services include quality level A-D assessments and utility risk mitigation planning. Clients receive accurate mapping data to prevent infrastructure conflicts during construction projects.
People
Pradeep J. Perera
President
35+ years of geotechnical engineering expertise. Holds MS in Geotechnical Engineering from West Virginia University and BS in Civil Engineering from University of Nottingham. Registered in MD, VA, and DC.
Edward Dalton
Sr. Vice President
40+ years in geotechnical engineering and construction management. Directed major projects including Purple Line and Chesapeake Bay dredging. MSCE from University of Maryland. Registered in MD and DE.
David Heisler
Sr. Vice President
45+ years of program management experience. Oversees federal highway and state department programs. PhD in Anthropology from University of Missouri. Manages 500+ annual technical reviews.
Imran M. Syed
Vice President
30 years in geotechnical engineering with expertise in pavement design and subsurface utility engineering. PhD from Texas A&M University. Registered in Maryland.
Robert Sheeler
Manager Subsurface Engineering
31 years of subsurface utility engineering experience. Completed 2,500,000 LF of utility mapping and 2,000+ vacuum excavation test holes. Specializes in SUE services for transportation projects.
Questions
What engineering services do you specialize in?
We specialize in geotechnical engineering, environmental compliance, occupational safety, construction materials testing, and subsurface utility engineering for infrastructure projects.
How long has your company been in operation?
Our leadership team collectively maintains over 150 years of engineering experience, with individual professionals having 15-45 years of specialized expertise.
Are your services available internationally?
Yes, we have executed projects in 165 countries worldwide through federal government contracts and international partnerships.
What quality assurance measures do you implement?
We maintain AASHTO-accredited laboratories and follow documented QA/QC procedures aligned with industry standards for all projects.
Which government agencies do you work with?
We hold contracts with the Department of State, Army Corps of Engineers, GSA, FHWA, and multiple federal, state, and local agencies.