EDI offers full services associated with engineering planning, preliminary and final design documents, and construction inspection and observation. EDI has significant site design experience for a broad range of sites including educational institutions, parks, airports, hospitals, and retail developments. Design services include horizontal and vertical geometrics, grading, demolition and material re-use, stormwater drainage design, sanitary sewer systems, water main design, detention/retention systems, construction cost estimating, technical specifications, required State and Local Agency permitting, and Americans with Disabilities Act (ADA) design. EDI engineers have also completed intersection design plans, pavement marking design, parking facilities, and peer reviews of design documents completed by other design professionals.