Visp

ARGE BM Lonza Gemini K2

  • Client: Lonza AG, 3930 Visp
  • Site management/reference person: Grunder AG, 4020 Basel/Jörg Tegge
  • Site manager: D'Onofrio Antonio
  • Foreman: Erich Steiner
  • Construction period: April 2018 to May 2019
  • Construction costs: CHF 19.0 million

Technical data:

  • 11'000m3 excavation
  • 317 pieces of milling work pile heads
  • 4'500m2 XPS insulation
  • 15'500 m3 concrete
  • 2,000 tons of reinforcement
  • 12'000 m2 slab formwork
  • 22'000 m2 wall formwork
  • 400 columns
  • 2,000 m2 Prefabricated slab elements
  • 110 pre-stressed concrete floor beams

Project description:

The construction work was carried out by the consortium Walpen AG (50%) / Frutiger AG (50%).

  • Lead management: Frutiger AG
  • Tech. Management: Frutiger AG
  • Commercial management: Walpen AG

The complex is founded on 317 in-situ concrete piles. All pile heads were milled off.
The floor slab was very complex, with recesses up to 2.50 m deep.
The building has a total of 5 storeys. All ceilings and load-bearing walls were constructed in in-situ concrete. Various precast concrete elements such as ceiling slabs, concrete beams and stair elements were installed. The infill masonry was constructed in sand-lime brickwork.

Requirements:

  • High work safety requirements, daily on-site checks
  • Short construction time
  • Very complex formwork work (ceiling height up to 8 m)
  • Lots of relocation work (ceiling elements, beams, stairs and columns)
  • Complex project with very complex logistics and access control via Securitas

Contact persons

Erich Steiner

Federal dipl. foreman

+41 79 664 30 57

erich.steiner@volken-group.ch