The contractor responsible for manufacturing defective concrete panels for the Silver Line Metro extension in northern Virginia was banned from bidding federal transportation projects for three years.

The $263.3-million highway, deck, bridge and garage project restores Pierre L’Enfant’s original 1791 master plan for the capital city

Five years ago, the catastrophic collapse of the structure supporting Runway 5’s emergency overrun area left a 140-ft vertical gash of partially reinforced fill looming over a 540,000-cu-yd debris field. It also obliterated an adjacent road.

Working with the city of Alexandria, Va., Dept. of Recreation, Parks and Cultural Activities and Alexandria City Public Schools, the Keller Construction Management team replaced and expanded an existing elementary school and recreation center, combining them into one building with shared facilities.

The 103,000-sq-ft facility combines conventional classroom and hands-on instruction for a diverse range of career paths, from traditional vocations to criminal justice, information technology and business.

In the heart of Lafayette College, the five-story, 104,000-sq-ft academic science and laboratory building’s hillside site sits atop a subsurface rock vein. 

Envisioned by architect Steven Holl as a “pavilion on the park,” the new Winter Visual Arts Center rises four stories to meet the canopy of neighboring old-growth, large-diameter trees on the campus of Franklin & Marshall College.

Built on the rocky site of Inova Loudoun Hospital’s Leesburg, Va., campus, excavation for the nine-story, 385,000-sq-ft bed tower required extensive blasting.

The 50,000-sq-ft renovation for Amicus Therapeutics spanned two floors of the company’s Global Research and Gene Therapy Center for Excellence and included laboratories, offices, common space and a unique interconnecting staircase.