Horizon Dorigny – Preparatory work

PORR SUISSE AG realised the preparatory works of all construction sites for eight structures in four lots (A/B/C/D) for the Horizon Dorigny quarter, located to west of Lausanne.

The contract included:

• Access roads to open up the entire construction site perimeter
• Construction site fencing with a central gate in front of the access to the individual lots
• 250'000 m³ excavation incl. excavation support
• Disposal of contaminated excavated material

• Groundwater lowering, de-watering, incl. treatment and re-injection during the entire construction period
• Excavation of earth and recording of finds in accordance with the specifications and under the supervision of the Cantonal Archaeological Service
• Demolition of part of the noise barrier to the motorway
• Construction and commissioning of the transformer station

To the PORR project video “Excavation works and special civil engineering works in December 2021”