• 18 minutes

Understanding a GMP


Guaranteed Maximum Price is an important aspect of a progressive design-build delivery method.

The Guaranteed Maximum Price is one of the key elements that defines what thefinal design and construction price of a project will be. From the subcontract packages to design-build fees, this video reviews various pieces of a GMP proposal that is typically submitted by the design builder at the end of the Phase I contract.

Runtime: 17 minutes



Larry P. Johnson, PE, DBIA, PMP

Larry P. Johnson, PE, DBIA, PMP

HDR Engineering Inc.

  • Vice President, HDR Engineering Inc.
  • 39 years of program management, project management, design, construction management and design-build experience in the water and wastewater industry throughout the U.S., Australia and Europe
  • Practice emphasizes all aspects of alternative delivery including progressive design-build, fixed price design-build and construction management at risk
  • Conducts regular seminars and workshops for HDR clients on alternative delivery
  • Teaches HDR’s alternative delivery course for HDR employees practicing in architecture, transportation, water and resources business groups
  • Author of several publications and papers in the area of project delivery, construction management and project controls
  • Member of DBIA, Project Management Institute, Water Design-Build Council (first vice president and treasurer), and Chi Epsilon
  • B.S. degree in Civil and Environmental Engineering, Clarkson University, Potsdam, NY
  • Can be contacted at [email protected] or 925-202-7837

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