(1) The term one-step turnkey selection procedures means procedures used for the selection of a contractor on the basis of price and other evaluation criteria to perform, in accordance with the provisions of a firm fixed-price contract, both the design and construction of a facility using performance specifications supplied by the Secretary.

(2) The term construction includes the construction, procurement, development, conversion, or extension of any facility.

(3) The term facility means a building, structure, or other improvement to real property.