48 C.F.R. § 22.502
As used in this subpart-
Construction means construction, reconstruction, rehabilitation, modernization, alteration, conversion, extension, repair, or improvement of buildings, structures, highways, or other real property.
Labor organization means a labor organization as defined in 29 U.S.C. 152(5) of which building and construction employees are members.
Large-scale construction project means a Federal construction project within the United States for which the total estimated cost of the construction contract to the Federal Government is $35 million or more.
Project labor agreement means a pre-hire collective bargaining agreement with one or more labor organizations that establishes the terms and conditions of employment for a specific construction project and is an agreement described in 29 U.S.C. 158(f) .
48 C.F.R. §22.502