Webinar on Large Screen TV  The seminar will show three case studies where modern cementitious materials were utilized to strengthen and repair historic structures, while maintaining the historic character. These case studies include: *Reinforcing existing terra cotta *Grout injection into stone walls *Parapet reconstruction.  Bring a sandwich and a covered beverage. This is part of our "Lunch and Learn” Series.  Presenter: Jack Healy, P.E., of Ryan-Biggs Associates P.C. Charge:Free