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Which delivery model fits the project you actually have?

Complexity, maturity, interfaces and owner capability matter more than familiarity when deciding how execution should be structured.

2 min read Author: KeynesMoore

Which Delivery Model Fits the Project You Actually Have?

A familiar contract form is not automatically a suitable delivery model. The model must reflect how mature the requirement is, where interfaces sit, which risks can be controlled, how quickly learning is needed and whether the owner can act as an intelligent client. Transferring a risk contractually does not transfer it economically when the market cannot manage it.

Characterise the project before choosing structure. Assess design maturity, technical novelty, dependency density, demand uncertainty, schedule pressure, asset life, supplier concentration and the owner�s commercial, engineering and integration capacity. Decide which decisions must remain close to the owner and which outcomes the market can specify, price and accept.

Compare models across the spectrum: in-house, managed service, design-build, construction management, alliance, concession or hybrids. Test how each allocates design, integration, financing, operation and change. Whole-life incentives matter more than nominal transfer. A fixed price on an immature scope often converts uncertainty into claims, exclusions or a risk premium.

The UK Construction Playbook�s delivery-model assessment starts with desired outcomes, market viability, risk and value profile, design approach, people, assets and client capability. It recommends combining whole-life cost with non-cost criteria. This avoids selecting procurement mechanics before understanding the delivery environment.

Document the model thesis, interfaces, retained risks, capabilities required and evidence from market engagement. Reassess as design and market knowledge mature, before commercial positions harden. The right model creates aligned decisions at the points where uncertainty resolves. It is tailored to the project that exists, not inherited from the last project that looked similar.

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