An extraordinary observation and birdwatching tower is located in the Reuss delta in Uri. Its striking primary supporting structure consists of 48 inclined saw-cut circular timber supports. From four platforms, visitors can enjoy the view of the Reuss delta in Uri and ornithologists can observe breeding birds.
The 11.5 m high tower was designed by architect Gion A. Caminada. The structural analysis was carried out by Dlubal customer Pirmin Jung Ingenieure.
Structural Timber Engineer
Pirmin Jung Engineers for timber structures AG
Rain, Switzerland
Website of Pirmin Jung
Model of the tower in RSTAB (© Pirmin Jung Ingenieure)
Timber Observation Tower
| Number of Nodes | 815 |
| Number of Members | 1149 |
| Number of Load Cases | 4 |
| Number of Load Combinations | 3 |
| Total Weight | 19,620 t |
| Dimensions (Metric) | 8.427 x 8.427 x 10.928 m |
| Dimensions (Imperial) | 27.65 x 27.65 x 35.85 feet |
| Program Version | 7.04.46 |