48 C.F.R. § 36.102
As used in this part-
Contract is intended to refer to a contract for construction or a contract for architect-engineer services, unless another meaning is clearly intended.
Design means defining the construction requirement (including the functional relationships and technical systems to be used, such as architectural, environmental, structural, electrical, mechanical, and fire protection), producing the technical specifications and drawings, and preparing the construction cost estimate.
Design-bid-build means the traditional delivery method where design and construction are sequential and contracted for separately with two contracts and two contractors.
Design-build means combining design and construction in a single contract with one contractor.
Firm in conjunction with architect-engineer services, means any individual, partnership, corporation, association, or other legal entity permitted by law to practice the professions of architecture or engineering.
Plans and specifications means drawings, specifications, and other data for and preliminary to the construction.
Record drawings means drawings submitted by a contractor or subcontractor at any tier to show the construction of a particular structure or work as actually completed under the contract.
Two-phase design-build selection procedures is a selection method in which a limited number of offerors (normally five or fewer) is selected during Phase One to submit detailed proposals for Phase Two (see subpart 36.3).
48 C.F.R. §36.102