 Then, together with Newman, he assumed leadership of the works hydraulic sanitation of the city and built the seawall and Catalinas dam.Some time later, together with the Argentine engineer Lavalle, made the surveying and leveling 175.000 square kilometers of the province of Buenos Aires, accompanying the project work with an extensive network of channels designed to give exit to the waters of that area; two of those channels should be navigable.This project was awarded gold medal at the .