The "no lines on paper" RFP
As a background: design-build has been used for about 20 years now. I know, some say DB has been an available delivery method for decades if not centuries. But I'm speaking 'mainstream' use. The Design-Build Institute of America was founded just 18 years ago, and until recently many states and public jurisdictions could not legally use design-build delivery. So, as I have inferred, design-build is new. I mention this to provide a context for the evolution of this 'new' method of contract and delivery for construction projects. In the 90's, moving in to the early 2000's, DB was widely used by the owner with some sort of preliminary design (solution). In federal contracting, a preliminary design of about 35% of full design was included in the Request for Proposals (RFP) by many agencies and departments. Inclusion of a preliminary design is often referred to as a "bridging" design or "bridging documents". Bridging documents are often inc