ARLINGTON, VA—Clark Construction broke ground this fall on a 144,000-sq-ft research facility for Virginia Tech in Arlington, Va. The project includes six stories of office and research space, one story of retail space, and three levels of below-grade parking. Additionally, Clark will construct a 6,600-sq-ft public plaza south of the building. Cooper Cary of Alexandria, Va., is the project architect. Completion is scheduled for spring 2011.