Barrett & Associates Inc

Founded in 1994, Capitol Development Design is an engineering and planning firm. Its civil services include feasibility analysis, site development design, utility relocation, hydraulic engineering, stormwater management, permitting, erosion control and cost estimation. The firm provides various landscape architecture services, such as site planning, streetscape design, wetland delineation, site beautification and resource analysis. Capitol Development Design offers topographic and boundary surveying, construction management, consulting and material testing services. Its geotechnical engineering services include foundation and retaining wall design, subsurface investigation and reporting and stability analysis. The firm serves the government, educational, residential and transportation sectors. Capitol Development Design provides services to clients, such as Alpha Corporation, Danner Development, Fairfax County Public Schools and the Maryland National Capital Park & Planning Commission. The firm is headquartered in Beltsville, Md.