PEER has just published Report No. 2012/103 titled “Performance-Based Seismic Demand Assessment of Concentrically Braced Steel Frame Buildings” as a new addition to the PEER Report Series. It was authored by Chui-Hsin Chen and Stephen A. Mahin from the Department of Civil and Environmental Engineering at the University of California, Berkeley. The research was sponsored by the National Science Foundation under Grants CMS-0600625 and CMS-0619161, and by the University of California, Berkeley through the Byron and Elvira Nishkian Endowed Chair in Structural Engineering. Dr. Chen was also aided by funds from the Dr. and Mrs. James C.Y. Soong Fellowship provided through UC Berkeley Graduate Division, and financial support through Taiwan Merit Scholarship TMS-094-2-A-025.