- Client: HRS
- Construction Manager / Reference Person: HRS, Hamoudi Zinédine
- Construction Foreman: Mathias Wyssen
- Foreman: Horst Theler
- Foreman: Peixoto Araujo Daniel, Raphael Wyssen
- Construction time: shell from November 2021- August 2023.
- Construction costs: 48 million
Technical specifications:
- 69'000m² formwork type 2
- 20'000m² formwork type 4.1
- 70'000m² slab formwork type 2
- 190m² circular formwork
- 6'900t reinforcement
- 57'600m³ concrete
- 1740 prefabricated columns
- 320 Prefabricated stairs
- 1125 Prefabricated walls
Object description:
A new urban quarter is being built in the heart of the city of Sion. This includes a parking garage with 625 parking spaces, a hotel with 100 rooms, a concert and congress hall with 600 seats, 5'800m2 of commercial space, 10'300m2 of office space and 302 apartments. The project covers a site of more than 16'000m2 and is expected to be ready for occupation by the end of 2024.
The construction works were carried out by the consortium Walpen AG (30%), Dumas SA (30%) and Gebr. Zengaffinen (40%):
- Lead management: Gebr. Zengaffinen
- Tech. Management: Walpen AG, Dumas SA and Gebr. Zengaffinen
- Commercial management: Walpen AG
Special requirements:
- High demand on quality
- Short shell construction time of around 18 months
- Approx. 100 workers of the ARGE incl. Subu on site.
- Coordination in the construction leader team
- Construction site is located directly next to the main train station in Sion
- Construction site in approach corridor of Sion airport
- Little installation space available
