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Integrated Design-Build (IDB)

Integrated Design-Build (IDB)

Integrated design-build (IDB), also known as progressive design-build, is a delivery model that combines the benefits of Design-Build (DB) and Construction Manager at Risk (CMAR). Like a CMAR, there is early contractor involvement, pricing negotiation occurs for final design and construction in the preliminary design phase. Like DB, design liability and construction responsibilities are transferred to a single DB team starting with the preliminary planning and design phase through construction completion.

Design Build chart

Best fit characteristics

  • Time is critical
  • Owner has technology, aesthetic, and equipment preferences
  • Owner desires high degree of involvement
  • Collaboration & innovation during early design
  • Owner desires a single point of responsibility
  • Project is more complex or scope is uncertain

Advantages

  • Single point of responsibility
  • Qualifications selection
  • Accelerated schedule
  • Owner involvement
  • Promotes innovation during design
  • Cost and schedule benefits
  • Some owner access to designer
  • Better pricing accuracy and transparency

Challenges

  • Client must pay for design phase or the pursuit may be untenable for DB teams
  • Firm price is set later than with Fixed Price Design-Build

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Active Project Documents

No active project contracts at this time.

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