Phase 8: Topography
| RISA 3D file | |
| Code | |
| Ultimate Wind Speed | |
| Service Wind Speed | |
| Basic Wind Speed with Ice | |
| Design Radial Ice Thickness | |
| Equipment Height | |
| Structure Class | |
| Exposure | |
| Topography | |
| Crest height | |
| Wind directional Factor, Kd |
Topography alpha