*_Notice and Invitation_* Oral Defense of Doctoral Dissertation The Volgenau School of Engineering, George Mason University *Mohamed E. Hassan* Bachelor of Science, Cairo University, 1977 Master of Science, The City College of New York, 1982 *Assessing the Impact of Lean/Integrated Project Delivery System on Final Project Success* Monday, April 22, 2013, 12:00PM -- 1:30 PM George Mason University Engineering Building -- Room 1602 All are invited to attend. *_Committee_* Dr. Michael Casey, Chair Dr. Mark Houck, Committee Member Dr. Peggy Brouse, Committee Member Dr. Burak Tanyu, Committee Member *_Abstract_* The research focuses on in-depth analysis and investigation of the reason why Lean/Integrated Project Delivery system produces different success results when applied to construction projects.It further examines the pattern of Lean Project Success Factors (PSFs) and their impact on construction productivity by developing a methodology for a novel rating system in construction.This methodology was applied to a data base of real construction projects and used to create Lean Project Rating System (LPRS).The research has accomplished two goals:First, it has identified lean success indicators that influence projects and help in assisting construction stakeholders to induce Lean/IPD practice.Second, it has suggested methods to help eliminate chronic construction problems and improve construction productivity in all project phases:Conceptual, Design, and Construction, and ultimately improve final project success. A copy of this doctoral dissertation is on reserve at the Johnson Center Library.