Decontamination of a Construction Site in Villefranche-sur-Saône (2019)

Construction site: decontamination in Villefranche sur Saône. A highly urbanized area: a large suburb of Lyon. A former gas plant producing town gas from coal. Excavation of 5000 m3 of soil.

Pollution from tar, naphthalene (solid hydrocarbon), ammonia and H2S. 6-month decontamination site.

Installation of:

  • a high pressure sprayer ramp 150 m long.
  • 2 mobile sprayer devices of UNIPRO5 type (220V sprayer)