PHOTOS COURTESY J.G. PETRUCCIJ.G. Petrucci, a regional development and design/build construction firm, started demolition on Guardian Life Insurance's former Lehigh Valley office building located at 3900 Burgess Place in Hanover Township. The firm will demolish the 196,823-square-foot, three-building structure, to make way for a three-building, 470,000-square-foot flex industrial center that will