The design/build delivery system often cites the original "Master Builder" model used to build most pre-modern projects. Under the Master Builder approach, a central figure of the Designer held total project accountability. From inception to completion, the master builder was the key organizational figure and strictly liable to the owner for defects, delays, and losses. The design/build system is a return to some of the fundamentals of the Master Builder approach. For nearly the entire twentieth century, the concept of Design-Build was classified as a non-traditional construction method in the United States, which is the last country to still embrace the old standard of Design-Bid-Build Design-build focuses on combining the design, permit, and construction schedules in order to streamline