The Port of Porto Alegre is located 315 km away from the north of Rio Grande bar, on the left margin of Rio Guaíba.

The first project for the construction of the Port of Porto Alegre is from 1899. At the same time the Government was interested in the construction of the port, it was also concerned with the improvement of the conditions of the access channels to Porto Alegre, that were limited to 2.70m at that time (1908).

The agreement with the French Compagnie allowed it to claim for the preference for the construction of the port and for the drags between Porto Alegre and Rio Grande. The Government of the State was in charge of two tasks: to get the authorization for the construction of the port, which was obtained due to § 1st, section 60 of the Law no. 2,544, dated of January 4th, 1912, and to implement the project that existed since 1910. In 1911 engineer R. Ahrons was hired to build the first portion of the 140m wharf and a draft of 4.50m. This portion was ready in 1913. Later, there were made agreements to build additional portions and, in 1921, the State took the responsibility for the administration of the works and concluded them.

Although it has been operating since 1916, the port was officially inaugurated on the 14th of August of 1921, with its own management, and reporting to the Secretariat of Finance.

The conclusion of the project, including the docks, was accomplished in 1937. In 1951, the Port Management was taken on by the State Department of Ports, Rivers and Channels. As a result of the flood of 1941, the National Department of Works and Sanitation - DNOS, which belonged to the Ministry of Ways and Public Works - MVOP, programmed a complex of works to protect the city of Porto Alegre from a new flood similar to that of 1941. This complex comprised an embankment to serve as a basis for a protective dam.

Along the embankment, on Voluntários da Pátria Street, it was projected and built a wharf named "Sanitation Wharf ". This wharf is comprised by two kinds of structure: the heavier one called "Cais de Navegantes", and the lighter, called "Cais Marcílio Dias". "Cais Navegantes", a prolongation of the old "Cais Mauá", was the commercial wharf of sanitation wharf. "Cais Marcílio Dias" was the wharf used for building materials and sports.

"Cais de Navegantes" was temporarily incorporated to the concession granted by an order of the Minister of MVOP in 1955, and "Cais Marcílio Dias" in 1957, also temporarily. On the occasion, the jurisdiction of the area was transferred from DNOS to the old National Department of Ports, Rivers and Channels.
Foto: Geraldo Almeida
Mooring Ship

Foto: Geraldo Almeida
Port of Porto Alegre

Foto: Geraldo Almeida
Mobile Interspace

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