Supply and erection of a 115kV transition substation for the tie in of a power generation barge. All the civil works required for the substation were included, including earthworks, foundations, gutters, access roads, perimeter fencing, and control house and equipment support bases. Within the electrical scope, was the supply and assembly of all the substation equipment, including circuit switches, disconnect switches, voltage and current transformers, power transformers, etc. Additionally, the scope included the supply and assembly of the 115 kV overhead line from the substation at the foot of the barge to the Bahía Las Minas generator substation. In the mechanical scope, the supply and assembly of the main fuel line was executed from a tie in from the nearby fuel storage farm to the barge´s pumping station.