- Client: ASTRA
- Construction management/contact person: Pascal Schmid, SPI
- Site manager: Mathias Wyssen
- Foreman: Marco Gruber
- Construction period: May 2020 - September 2020
- Construction costs: CHF 350,000
Technical data:
- 305m³ washed sand
- 300m³ drainage gravel 16-32
- 120m³ gravel mix 8-16
Property description:
The existing settling basin on the N09 in Gamsen needed to be replaced. To do this, the existing basin was excavated. A new natural settling basin was created using several layers of filter material.
Requirements:
- Existing material had to be transported to a final landfill site
- Layer heights had to be maintained
- Rainwater from the N09 had to be temporarily diverted
