The Brazilian utility's privatization is mired in controversy.
Authorities cite the implications on credits costs of the troubled nation's high country risk index.
The new infrastructure at Chile's main airport includes a boarding lounge with 10 bridges, which is expected to serve 392,000 passengers per month.
The Brazilian firm is seeking US$1.1bn in reparations from the Colombian state over the cancellation of the Ruta del Sol II highway concession.
The local firm will become the sole owner of the concession.
The modernization of Peru's Salaverry port got underway as Grupo Romero began dredging work.
Fraport plans to expand the airport serving Porto Alegre in southern Brazil.