Renovation of a transportation facility in Sterling, Virginia. Completed plans call for the renovation of a transportation facility.

**As of April 24th, 2026 this project has not yet been awarded. A timeline for the award has not yet been established.** 1. The Work includes switchgear and transformer electrical equipment installation, mechanical equipment installation, electrical duct bank installation to temporary exterior transformer, structural slab / foundation for equipment, and overhead door installation. 2. For additional requirements for the examination of plans, specifications, and Project site see Section Supplementary Conditions. The Contractor shall furnish all necessary labor, materials, tools, equipment and supervision to replace electrical substation A4 at Concourse C/D of Washington Dulles International Airport (IAD). This solicitation has a 25% Small Local Business Enterprise (SLBE) participation requirement. For more information about the Airports Authority's small business programs, contact the Airports Authority's Department of Small Business Programs at 703-417-8660 or online. Project Duration - 2 Years Estimated Dollar Value $7,500,000 - $8,500,000 *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.