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Choosing the Right Project Delivery Method

CALINFRA helps agencies understand Design-Build, CM/GC, Progressive Design-Build, and Public-Private Partnerships (P3) — and when each approach is most effective.

Explore delivery methods

Why delivery method matters

The delivery model you choose affects schedule, cost certainty, risk allocation, and the ability to innovate. This overview gives you a plain-language starting point before you dive into the details of each method.

Delivery methods at a glance

These summaries link to pages with more detail, examples, and legal references.

Design-Build

Single contract for design and construction; one point of accountability.

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CM/GC

Contractor engaged early to advise on design, risk, and constructability.

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Progressive Design-Build

Collaborative design process with pricing agreed later in the design.

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P3 (Public-Private Partnership)

Long-term partnership combining design, build, financing, and often O&M.

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How delivery methods fit into the project lifecycle

Different models bring the contractor in at different times and change how risk is shared across planning, preconstruction, construction, and the O&M phase.

Diagram showing how delivery methods fit into the project lifecycle

Key decision factors

These themes recur in every project delivery decision.

Risk allocation

Who carries design, construction, and long-term performance risk?

Owner control

How much control does the owner retain over design and key decisions?

Schedule

Does the project benefit more from speed or from certainty and flexibility?

Innovation

Is there value in allowing teams to propose alternative designs or solutions?

Ready to Learn More?

Connect with CALINFRA to discuss how these delivery methods might work for your specific project needs and challenges.

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Legal Disclaimer: The information included in this Online Resource Center is summary information provided as an introduction to the delivery methods referenced. It does not constitute legal advice and is not intended to provide a comprehensive review of the delivery methods nor the related law and practice, nor is it intended to cover all aspects of each delivery method referred to. Please take legal advice before applying anything contained in these materials to specific issues or transactions. If you are a member and would like more information, please reach out to CALINFRA to enquire about scheduling a training session.

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