Ashburn Station 772

Ashburn Station 772
6-level | 493,920 SF parking structure with two (2) separate elevator towers

The Silver Line of the Washington Metro is a public rapid transit system used by daily commuters in the DC Metro Area with stop stations from Wiehle – Reston East to Largo Town Center. On average, over 15,000 people use the Silver Line for their daily commutes.  To offer a shelter for their vehicles while on the Silver Line, large parking garages were needed.

S. B. Ballard Construction Company, Commonwealth Architects,  and Walter P. Moore teamed together to collaborate on this design-build project which involved the design and construction of two six-level inter-modal parking structures that provide a total over 3,500 parking spaces.

Both Stations 606 and 772 Parking Garages support the large mega-project called the Dulles Corridor Metrorail Project (Silver Line) valued at over $5.63 billion. The 606 and 772 garage project was one project spread out over (2) two locations. Both garages total over 3,500 parking spaces (1,584 spaces at 772 and 2,022 spaces at 606).

This parking deck, located at Ashburn Station South, was developed in conjunction with the Moorefield Station development. This deck also utilizes precast concrete double tees with spandrel panels with brick to fit into the neighborhood.

The parking garage is located south of the Dulles Greenway, North West of the Route 772 Metro-rail Station and adjacent to the parcel containing the remaining Metro Station elements. The multi-level parking garage provides 1,584 structured parking spaces and has vehicular and pedestrian access to Silver Train Lane (to the west, street level), and Crosson Lane (to the east, street level).  The parking garage has pedestrian access to the station plaza. Parking Garage utility connections on the west side (water & sanitary sewer) of the structure and were designed and approved as an extension of Loudoun Water.

The Station 772 Garage is located in “Datacenter Alley” in Ashburn Virginia. The location of this project is relevant because of the substantial amount of construction traffic in one of the fastest growing areas of Virginia. The Station 772 Garage also included a large pedestrian bridge from the parking garage to a Metro Station. This work had to be carefully coordinated with another General Contractor (Capital Rail Constructors) that was constructing the Metro Station. S.B. Ballard has been able to successfully work around all of the surrounding construction projects with no interruption.

The two decks were designed to Parksmart certification standards. Parksmart is the world’s only certification system designed to advance sustainable mobility through smarter parking structure design and operation. Parksmart complements LEED and other certifications and is administered by Green Business Certification, Inc (GBCI). Both garages include full electronic parking guidance systems (red light/green light sensors) and several electric vehicle charging stations.

The Metro-rail’s Silver Line 23-mile extension will tie Loudoun County’s booming economy into the region’s workforce, providing ample business opportunities and rail access to Dulles International Airport. Both parking structures have direct access to the new Metro-rail Stations. These parking garages were built in preparation for the future commuter traffic at these stations.  Both inter-modal parking structures will provide commuters with direct access to the new Silver Line Metro-rail Stations, providing additional transportation opportunities throughout Loudoun County and the Dulles corridor into Washington, D.C. and its surrounding areas.

These parking structures are both (6) six-levels high, rectangular in nature, containing four bays of double loaded parking aisles. Each bay consists of a ramp, which ascends one parking level, and a flat landing at each end. This allows for two levels of vertical travel for each full revolution of horizontal travel. Both structures includes four stair towers, two of which have lobbies for dual elevators with vast amounts of glazing. The entire garage is illuminated with highly controllable LED light fixtures. Both parking structures also include a “parking guidance” and “revenue collection” system. Both the 606 and 772 structures have significant cast-in-place concrete walls. Roadway improvements along with way-finding and signage are also a large component of both parking garages.