Millennium Park Pritzer Pavilion by Frank Gehry and SOM
Skidmore, Owings & Merril had been working on Millennium Park Parking garage and Superstructure. SOM structural group obtained an opportunity to be an engineer of Engineer of Record for entire project including Pritzer Pavillion; Band shells and Trellis. The writer had worked on both Band shell and Trellis structures. The band shells rest on a composite framing superstructure of which roof cantilevers off 100 feet and support tree like band shells. Each band shell has unique shape geometry structurally formed with W column Rib, HSS horizontal branch, and WT diagonal bracing. The shape is cladded with architectural aluminum panel. The writer was primary engineer that designed all band shells and Trellis structures.