Potomac River Tunnel Project

EBA completed a customized Phase I Environmental Site Assessment (ESA) to support development of an Environmental Impact Statement of the Potomac River Tunnel study area in Washington, DC. This project is part of DC Water’s Clean Rivers Initiative to control combined sewer overflows to the…

EBA provided annual environmental safety training to Motor Vehicle Administration maintenance employees over a 4-year period. EBA prepared customized environmental training materials for asbestos awareness; conducted on-site training in asbestos awareness, proper and safe handling of hazardous waste and universal waste, and spill prevention control…

EBA is providing design services for the replacement of gaseous chlorination equipment and processes with sodium hypochlorite chlorination systems. Tasks include conducting a hazardous materials survey at each of five remote facilities and preparing technical specifications to include in the construction bid documents. The hazardous…

EBA provided design and contract documents for a 40-foot bridge replacement and 0.3 miles of approach roadway widening and realignment. The superstructure is a steel beam superstructure with concrete slab, on pile-supported concrete abutments. Riprap was placed in front of the abutments and along the…

EBA performed bridge inspection and evaluation, load rating, and an alternative analysis of bridge SSB-18, a short span bridge on First Street. This analysis determined deterioration and necessary repairs or replacement. EBA designed a new prestressed concrete slab bridge supported by reinforced concrete abutments founded…

EBA conducted a constructability and long-term value engineering review that resulted in a complete redesign of several critical elements including the proposed bridge, retaining walls, and roadway construction details. The previously proposed bridge was a painted steel beam bridge with expansion joints, and EBA’s value…

DC Water’s Clean Rivers Project is a large, ongoing infrastructure and support program working to reduce combined sewer overflows into Washington, DC’s waterways. The program includes replacing the original Poplar Point Pumping Station (PP-PS), which has served the District since 1915, with a new, 55…

The Marriott Garage is an 8-level, reinforced concrete (steel rebar and post-tensioned cables), cast-in-place structure built in 1985. The garage suffered from delaminations and spalls in many areas, including exposed reinforcement bars and post-tension cables. EBA provided engineering services to rehabilitate the Marriott Parking Garage….

EBA provided construction management and inspection services for the revitalization of Kennedy Street from Georgia Avenue to North Capitol Street in the Ward 4 neighborhoods of Brightwood and South Manor Park. The project goal was to improve the economic vitality and overall image of the…

EBA Engineering provided geotechnical investigation and surveying services for the design and construction of improvements to Padonia International Elementary School in Cockeysville, Maryland. The project added 12 classrooms, including a single-story, 9,200-square-foot classroom addition. Improvements also included a new playground, an additional parking area, a…