A4 Flüelen Bypass, Gruonbach Oil Separator
An oil separator was constructed in Gruonbach for surface drainage (squares and roads) in conjunction with the completion works of the N4 Flüelen Bypass at the northern junction area.
- Concrete: 65 m3
- Formwork: 330 m²
- Reinforcement: 8.5 t
- Sewage pipes: 85 m
- Inspection and access shafts: 8 pcs.
- Pipejacking (DN 600): 25 m
- Anchoring (mortar anchors): 14 pcs.
Scope of services
- Detailed design
- Construction supervision
- Documentation of construction works