Nestled in the busy metropolitan area of Arlington, Virginia, 4040 Wilson Boulevard is a 22-story mixed-use facility featuring retail, office, residential space, and a 5-story, below-grade parking garage.

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.