REAL ESTATE – AYTO. ZARAÚZ Salberdín, Guipúzcoa (Spain)

The main challenges were to solve the contamination (Cis-DCE and VOCs in groundwater) and make them compatible with the construction works according to the client's needs.
Guipúzcoa (Spain)

Challenge:

  • Solve the contamination (Cis-DCE and VOCs in groundwater) and make them compatible with the construction works according to the client's needs.

Solutions:

  • Groundwater treatment.
  • Treatment: In collaboration with the SARPI Remediation France team, the project was designed in 2 phases:
    • 1st Phase: ISCO, through 2 injection campaigns at 88 points.
    • 2nd Phase: Pump & Treat with the installation of a treatment plant (Air stripping + active carbon filters) with a capacity of 20 m3/h and reinjection of the treated water into the aquifer to keep the water table stable during the excavation work and construction.
  • Total Area: 21.500 m².
  • Pump & Treat: 61.800 m³.