The project
The decision From various variant studies, an arch solution with support in the middle was chosen.
The construction
The structure consists of glulam arch girders with a covering of solid wood planks. On the upper side, an extensive vegetation of about 30 cm thickness is planned. Only in the edge area will more humus be used for shrub planting.
Construction Data
- Length 35 m
- Width 50 m
Construction costs
- planned costs 2.36 Mio CHF
- thereof shell 1.29 Mio CHF
Timber Construction Engineers
Timbatec Holzbauingenieure Schweiz AG, Thun
3600 Thun
Civil engineer
Beat Meyer AG
6130 Willisau
Authorities
Civil Engineering Office of the Canton of Lucerne, Department of National Roads
6010 Kriens
Project management
Swiss Ornithological Institute
6204 Sempach