construction
(5) For purposes of this subsection— (A) the term “construction” includes the design, planning, and erection of new structures and facilities, the expansion of existing structures and facilities, the reconstruction of a project at an existing site or adjacent to an existing site, and the installation of initial and replacement equipment for such structures and facilities; (B) the term “acquisition” includes the addition of land, sites, equipment, structures, facilities, or rolling stock by purchase, lease-purchase, trade, or donation; and (C) the term “rehabilitation” includes the alteration of or correction of deficiencies in an existing structure or facility so as to extend the useful life or improve the effectiveness of the structure or facility, the modernization or replacement of equipment at an existing structure or facility, and the modernization of, or replacement of parts for, rolling stock.