4040 Wilson Boulevard


Nestled in the busy metropolitan area of Arlington, Virginia, 4040 Wilson Boulevard is a 22-story mixed-use facility with a five-story, below-grade parking garage featuring retail, office, and residential space. 

Although the owner considered suspending the project due to budget issues, the Choosing by Advantages (CBA) method was used to explore all options and to ensure that the best-value option was chosen. This allowed for the building to target a LEED Gold certification and prevented the owner from paying a $500,00 penalty. Southland assisted throughout this process and helped the owner meet their specific requirements.  

Southland provided engineering and construction services for the mechanical, plumbing, and building controls systems, as well as fire protection design. Southland also self-performed mechanical test and balance. Per Arlington’s requirements, the system presented was energy efficient. 

Envise, a wholly owned subsidiary of Southland Industries, was also awarded with a three-year building maintenance contract for 4040 Wilson Boulevard. 


Southland joined the project team to provide alternative project solutions centered around a Target Value Design build solution. After evaluating various mechanical systems and comparing first cost and life-cycle cost, maintainability, flexibility, and constructability, Southland determined the right sized system for the owner and avoided an out-of-budget solution that would require two separate mechanical systems—one for the residential space and one for the office space. 

The new designs included an air-cooled chiller plant with magnetic-bearing chillers, a dedicated outside air system to service the office and residential space, chilled water fan coil unit, and fan powered terminal units within the office space. 


Through collaboration, extensive evaluation, and utilization of the Choosing by Advantages (CBA) method, Southland administered the best life-cycle cost solution to meet the owner’s needs while optimizing energy goals and fulfilling project objectives. 

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