Metropolitan Washington Airports Authority, IAD, Tier 2

Transportation Nodes, located at the ¼ and ¾ points along the length of the building, are the primary entry and exit points for passengers connecting to other concourses or the Main Terminal. The nodes are marked by an open, column-free, three-story hall surrounded on the Concourse Level with premium retail space and restaurants. The Sterile Corridor Level above wraps the main hall and a clear span bridge passes through. At the uppermost level, the airline club overlooks the activity below. Each transportation node is topped by a long span truss and sky lights.

Departure Lounges are paired together both laterally and across from one another, at regular intervals, for efficiency and flexibility. Holdroom zones are separated by blocks of retail space, restrooms and other core elements. Each holdroom is 9,300 SF, sized to accommodate two simultaneously departing wide-body jets. At the ends of the building consolidated holdrooms, each 25,800 SF, serve 8-9 closer spaced narrow-body gate positions.

Federal Inspection Station is located at the center of the building and is sized to process 3,000 transfer passengers per hour. Passengers enter the primary inspection hall at the Sterile Level and then descend to the international baggage claim hall at the Concourse Level below. The two spaces are conceived together as a “gateway” into the United States and are connected under a long span roof that allows unrestricted layout and ease of movement at the baggage carousels. Exit control, secondary inspection, baggage re-check and security screening are all located on the Concourse Level.

Ramp Control Tower is composed of three levels: 1,400 SF cab at the top, offices and support areas below that and a mechanical area below that. Access to the ramp control tower is provided by a single egress stair and elevator. The four sides of the cab are surrounded by sloped clear laminated / insulated glass. Manually operated roller shades on all four sides will provide relief from direct sunlight. An accessible floor is provided for ease of telecommunications and data distribution as well as for a displacement HVAC system. The height of the cab is at elevation 426’ allowing the controllers a direct view of a majority of the apron; cameras are scheduled in certain locations where line-of-sight is interrupted by portions of the building.

Baggage Handling System: The outbound baggage room is centrally located on the apron level; it is accessed by tug ramps at five different locations to ease tug traffic congestion. Conveyors from the Main Terminal high speed baggage tunnel transition up through the basement level to the ceiling of the outbound bag room where they feed 21 make-up devices. The inbound baggage room in located on the east side of the building on the apron level; six double-sided drop belts will be provided. The inbound conveyors run at basement level to the Main Terminal high speed baggage tunnel.