Expansion of Gerdau in Sapucaia do Sul: Nabinger prepared the Environmental Impact Report (EIR) and the Environmental Impact Assessment (EIA). Expansion of Gerdau (considered the greatest work of the century in the state of Rio Grande do Sul).

We carried out an acoustic mapping around the development, identifying areas sensitive to noise (neighboring population), traffic of vehicles linked to the development operation (trucks), working hours and noise levels of operation for different development sectors and its prediction of future issuance according to the respective areas foreseen for expansion.