Click on a step in the graphic above to learn about the design and construction process. An additional step is the Warranty Period which typically has a duration of one year after the date of Substantial Completion. Last modified: July 25, 2001. (JM) Copyright ©2005 Yale University School of Medicine, Department of Facilities Construction & Renovation . All rights reserved. Comments or suggestions to the site editor. Home URL: http://info.med.yale.edu/ysm