Abstract
The design-build contract is a method of contracting both design and construction services to a single entity, for the purpose of achieving quality assurance of design and construction, rational design, and efficiency by utilizing excellent techniques of private companies.
Focusing on the selective water intake facility for dam, this paper begins with clarifying contents of the design developed at each stage in the project process, and examines how the design take shape along with the progress of the project. Next this paper conducts questionnaire survey about the actualized situation of the risks. And this paper studies result of construction project to which the design-build contract was applied. Then, it further examines, by using the result, the mechanism to the resulting technical proposals from the contractor by which the effect of the design-build contract can be achieved.
