Terrassement Limoges et Fils mandated Equinox Construction Services (ECS) to manage the replacement of the Lac L'Heureux Dam. The work included in the project was the design and construction of a cofferdam, the complete removal of the existing work, the construction of a reinforced concrete structure with three sluiceways and hydromechanical gates, as well as post tensioned anchors, a walkway and civil work on the embankment.

The dam was also equipped with a new safety boom and public safety panels.

ECS completed the procurement review, acted as the Project Manager and supervised the work carried out by Limoges. ECS was responsible for the project schedule, quality control processes as well as helping with logisitcs, technical questions and update meetings.

ECS was also responsible for the coordination for the various communications and requirements involving the different stakeholders involved in the project.