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This redevelopment program at Reagan National Airport (DCA) is to replace the current hardstand operations with a more user-friendly connectivity experience, complementing the on-going near-term rehabilitation efforts.  These modifications and improvements are needed to accommodate the growth as well as the user experience expected by today’s passengers.  

Projects in this redevelopment include a new Secure National Hall to be located below the existing departure deck, a new North Terminal expansion which includes a two level terminal for the existing hardstand regionals aircraft; contact gates with Remain Over Night positions; a single lane taxi lane; connecting the existing Terminal C North Concourse/Pier to the new North Concourse; gate modifications; a secure Terminal B/C configuration with security screen adjustments; relocation of Hangar #12; permanent Baggage Claim Hall; air and landside utility upgrades; storm water management and side design including subsurface drainage; and parking facility.    

The Robert B. Balter Company (Balter) provided geotechnical and geo-environmental consulting engineering, drilling and environmental and materials laboratory services for this $1.2 Billion Ronald Reagan Washington National Airport (DCA) project.   

The geotechnical and geo-environmental subsurface program consisted of (46) borings at locations selected by the Air Alliance team, with (15) borings located on airside and (31) borings on landside. The borings were grouped into three categories, including Apron borings, Secure National Hall borings and New North Concourse borings.  The borings were drilled under restricted conditions at night to permit continual airport operation; therefore, significant coordination with team members, airport OPS, and airport employees was performed.  The potential for subsurface contamination warranted an environmental program consisting of decontamination stations, drumming of all drill spoils and fluids, environmental characterization testing, and disposal of all drums.   

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