design-build
/dɪˌzʌɪnˈbɪld/(also design/build, design and build)
noun
In the construction industry: a delivery system or process whereby a single contractor is responsible for the costing, designing, planning, and building of a structure or project. Originally and frequently attributive.
Origin
1960s; earliest use found in The Guardian. In some forms from design + build. In some forms from design + and + build.