Have an attendance code? Sign In to enter it. This live web event has ended. Thank you for attending. Contributors Rafael Sabelli, S.E. Rafael Sabelli, S.E., is a Senior Principal and Director of Seismic Design at Walter P Moore. Rafael has earned a Lifetime Achievement Award and a Special Achievement Award from AISC, as well as the T.R. Higgins Lectureship award. He is a member of the AISC Committee on Specifications, where he is vice-chair of Technical Committee on the Seismic Provisions, and a member of the AISC Committee on Manuals, where he is chair of the Seismic Design Manual committee. He is also the past President of the Structural Engineers Association of California.