Free resource responds to rapid growth as PDB now represents one-third of design-build procurements nationwide The Design-Build Institute of America (DBIA) has released its Progressive Design-Build Done Right®: Progressive Design-Build Best Practices primer, providing specific guidance for Owners and practitioners using Progressive Design-Build (PDB). PDB now represents roughly one-third of all design-build procurements, according to FMI’s 2024 Design-Build Utilization Study.