Three years before his death he was awarded a US patent for construction of navigable channels at the mouth of the Mississippi.
In Buenos Aires, Medici surveyed part of the city, commissioned by the national government.
Together with Newman, he assumed leadership of city sanitation and built the seawall and Catalinas dam.
After the city of La Plata was founded in 1882, with Lavalle he proposed the leveling and layout of the new capital as well as the provision of water and sanitation.
He only sanitation works of the Federal Capital, which had begun with Newman and had stopped for financial reasons in 1878.