Structural design of 170,000 sf addition including new 3,500 seat auditorium with 224′ clear span steel trusses, three story precast concrete classroom building, a 300 seat indoor amphitheater with associated lobby and prefunction areas. Steel roof system was sectional, with custom designed trusses supported on a 40′ king truss spanning 180′ with 112′ hip trusses supported at a node point on the king truss. An overall 224′ clear span across the sanctuary space. Roof system had multiple catwalks for servicing lighting rigs. Lateral loads were resolved through the clerestory glass perimeter by means of chevron braces. Balcony raker beam floor system and secondary members were precast concrete. Main prefunction space and classroom structures were precast plank supported on steel wide flange beams and column.
