Alstom–Sofratesa consortium to maintain Santo Domingo’s metro electrification system November 17, 2021 | Latin America News The Office for the Reordering of Transport (OPRET) has awarded a consortium of Alstom and Sofratesa a contract for the upkeep and maintenance of the power and catenary systems for Santo Domingo’s metr... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password