The construction of the Roberval was ordered by the company Price. lt was built in 1963 in Owen Sound, Ontario, and transported in pieces by railway to Roberval. lt was the last operational tug boat on the lake Lac St-Jean. Purchased in 1998 by the company Marine lndustry Dredging of Sorel and was left abandoned at the dock in Roberval until 2004. The Roberval finally left the city for a journey to Sorel.