Last month saw workers at the Jirau hydroelectric plant in the northern Brazilian state of Rondonia return to work after a stand-off that lasted close to a month.
Workers downed tools in the middle of March, protesting over alleged dangerous working conditions, according to the Agence France-Presse. Some of the protests turned violent.
Central Unica de Trabajadores, the country's trade union, unanimously approved an increase in the workers basic pay and also confirmed it would ensure improved transportation to the site, according to the report.
Camargo Correa is the construction company in charge of building the 3300 MW plant, which is due to enter operation in 2012.