Environmental Engineering (Excavation material management)
- Client: Metallwerke refonda AG
- Project manager: Geos Consulting engineers
- Completion date: 2012-2013
- Cost of depollution: 6,800 kCHF
PROJECT DESCRIPTION AND CHARACTERISTICS
Over a century, this former urban industrial site housed various industrial activities including workshops for maintenance of railway equipment, foundry, aluminum can manufacturing plant and tertiary sector. Its redevelopment in progress in Fribourg hyper-center presented constraints related to the urban and railway traffic as well as the residential environment. In addition, the legacy of pollution in land, including the presence of significant concentration of perchlorethylene (PER), must be managed.
ASSIGNMENT
Development and implementation of an environmental quality control plan including the following aspects:
1) Real time sorting of excavated material according to their degree of contamination;
2) Orientation of excavated material by daily sampling and in-situ controls;
3) Selection of the treatement circuit according to the applying regulation, ie treatment by thermal desorption or evacuation in adapted landfill;
4) Quality control of air emissions, quality control of the underground water.