- Client: Lauber Iwisa AG, Naters
- Site management / Reference person: Lauber Iwisa AG, Naters / Cina Cédric
- Foreman / Foreman: D'Onofrio Pierluigi / Schwery Sebastian
- Construction time: November 2015 to August 2016
- Construction costs: CHF 1.2 million
Technical data:
- 1'700m3 excavation
- 550m3 concrete
- 60 tons of reinforcement
- 650m2 Slab formwork
- 1'600m2
- Wall formwork 3'000m2
- Covering 90m3
- Disposal of inert material 52m3
- Disposal of mercury 5-10 mg/kg 88m3
- Disposal of mercury 2-5 mg/kg
Description of the project:
Synthes Produktions GmbH in Raron had started a project to reduce the temperature in the production buildings by installing a ventilation system. The plant wanted to build a new hazardous materials storage facility to store flammable substances, oils and chemicals properly. The new facilities and systems needed space, so various infrastructure buildings were built.
Requirements:
- Disposal of inert material in Chalchofen Gampel final landfill site
- Treatment and disposal of 2-10mg/kg mercury
- Set prefabricated double walls
- High occupational safety requirements (weekly inspection from Milan)