Patrick, Nicholas Michael
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This thesis will compare the two major construction delivery systems in their application in preservation construction projects, Design-Build (DB) and Design-Bid-Build (DBB). Several factors of construction influence the choice of DB or DBB delivery systems. What are these factors, and how do they affect final products in the context of preservation construction? These factors will be determined and described based on the author’s personal experience working for Aeon Preservation Services, LLC. on two preservation projects. The projects, the restoration of original cast iron canopies at The Department of Veterans Affairs building and the stone façade restoration at the National Gallery of Art West Building, were both located in Washington, D.C. and are examples of DB and DBB. These projects will be analyzed and compared using case studies.