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Estimating & Biddingaka: DBaka: D-B

Design-Build

In Plain English

A delivery method where one contractor handles both the design and the construction under a single contract.

Definition

Design-build is a project delivery method in which a single entity provides both design and construction services under one contract with the owner. This integrated approach compresses the schedule by overlapping design and construction phases. Design-build transfers design risk to the contractor and can reduce overall project cost and duration.

Example

The transit authority selected design-build delivery for the new maintenance facility to complete the project 18 months faster than traditional design-bid-build.

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