Alec Cargile of Lithic Construction and Brian Broadus of Commonwealth Architects will speak on April 9th from 6 to 8 PM at the Charlottesville Community Design Center.  In the talk “Historic Structures and Sustainability: Case Studies and Discussion,”  Alec will describe the award-winning Hartman’s Mill project, and show before-and-after photos.   For more information, visit http://www.tusculum.sbc.edu/preservationweek/schedule.shtml