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Horizon Dorigny – Preparatory work

Facts and Figures
Company PORR SUISSE AG
Principal Credit Suisse Investment Foundation and Demaurex & Cie S.A.
Location Chavannes-près-Renens - Switzerland
Type Residential construction
Runtime 09.2021 - 06.2022
Architect/Planner Pezzoli & Associés, Architectes SA, Renens

Professional realisation through professional preparation.

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”